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Free Expert Answers

What is ¾ as a Decimal?
Answer – 3/4 is expressed as 0.75 in the decimal form. Converting any fraction to its decimal form is simple; we just need to divide the numerator by the denominator.

Are the Covalent Bonds in CH4 (Methane) Polar or Nonpolar?
Answer – The covalent bonds between the carbon and hydrogen atoms in CH4 (methane) are nonpolar as the difference in the electronegativities of the two types of atoms in it is negligible.

How Many Grams of Sugar in a Teaspoon?
Answer – When leveled, 4 grams of sugar equal one teaspoon. While the accurate measurement is 4.2 grams, nutrition labels usually round this off to 4 grams.

What is the Difference Between “Bonsoir” and “Bonne Soirée”?
Answer – “Bonsoir” is a greeting, while “bonne soirée” is used to say goodbye. In English, “bonsoir” means “good evening”. It is used in place of “hi”, “hello” or other..

How Do You Say “Because” in Spanish?
Answer – The word “porque” often functions as Spanish equivalent of English word “because.” It comes from Latin phrase “pro quid” meaning “for that.”

What is Mass?
Answer – Mass is the measure of the amount of matter in an object. It is a fundamental physical property, and the mass of an object remains constant, regardless of location and speed

  • Why Does Ice Float in Water?
    Explanation – The density of a substance is its mass per unit volume. Another way to look at it is as the number of atoms of a substance. The fewer the atoms needed, the lower is the density and vice versa...
  • When is Energy Released from ATP?
    Explanation – For a cell to carry out the various functions required for its continued survival, it is the site of reactions that are energetically favorable (release energy as a product, or ‘exogenic’), while others are energetically unfavorable…
  • Are all Integers Rational Numbers?
    Explanation – Integers are numbers that have no decimals and are not fractions. They are whole numbers, with the addition of negative numbers. Therefore, all numbers that come before and after zero (including zero) are integers,…
  • What is the Square Root of 64?
    Explanation – When a number is squared, it is multiplied by itself. For instance, the square of 10, or 10 squared (102) is 10×10=100. The square root function is the inverse. To find out the square root of a number, one has to find out…
  • What is a Rhombus and What Does it Look Like?
    Explanation – A rhombus is a two-dimensional geometrical figure that is identifiable by its 4 equal sides, where the opposite sides are parallel. A rhombus tends to look like a diamond – the kind seen in playing cards…
  • What is the Molar Mass of Aluminum?
    Explanation – The molar mass of a substance (element or compound) is the mass of that substance in grams divided by its quantity in moles. Although its SI unit is kg/mol (kilograms per mole), it is often expressed in…
  • What is the Electron Configuration of Nickel?
    Explanation– Electronic configuration refers to the arrangement of electrons around the nucleus of an atom. Since every neutral atom has the same number of protons as electrons, the electron configuration of…
  • Where is DNA Found in a Eukaryotic Cell?
    Explanation – Eukaryotic cells make up a host of single-celled and multi-celled organisms ranging from fungi to animals and plants. They differ from the more primitive prokaryotic cells due to the presence of a membrane…
  • What Does “Jazakallah Khair” Mean?
    Explanation – The Arabic phrase “jazakallah khair” is a short Islamic prayer that is often used in the place of “thank you”. It expresses gratitude and wishes the person addressed (who has helped the speaker in some way) well…
  • What is 1 – 5/6?
    Explanation – The given expression 1 – 5/6 requires subtracting the fraction 5/6 from the whole number 1. So for simplification, 1 can be expressed in the form of a fraction as 1/1. Now to solve 1/1 – 5/6, we need to ensure that both fractions have a common denominator and then subtract the second numerator from the first.
  • Solve for y in ax + by – c = 0.
    Explanation – To solve for y in the given equation, we need to isolate the term containing y, which in this case is by. For this, we need to make sure that the other terms, ax and c, are on the right-hand side of the equation.
  • What is 3/4 Divided by 1/2?
    Explanation – Dividing any two fractions requires following this step-by-step process: 1. Retain the first fraction the way it is. 2. Replace the division symbol by the multiplication symbol. 3. Take the reciprocal of the second fraction. 4. Multiply the numerators with one another. 5. Multiply the denominators with each other.
  • What is 6 to the Power of 2?
    Explanation – In exponential notation, a number x (called the base) having an exponent n is represented as xⁿ and is read as “x to the power of n” or “x to the nth power.” This simply means that x is multiplied by itself n times.
  • What is the Molar Mass of Mg(NO₃)₂?
    Explanation – The molar mass of a compound is the mass of one mole of that compound in grams. In other words, it indicates how many grams of the compound are present in every mole of it. It is hence expressed in grams per mole.
  • How Do You Check if (3,0) is a Solution to the Equation y = -3x?
    Explanation – A solution to an equation is a set of values which when substituted in place of unknowns make the equation true. So to verify if the point (3,0) is a solution to  y = –3x, we simply need to plug in the coordinates of the point in the equation. If doing so makes the equation true, then the point is indeed a solution.
  • Do Endocytosis and Exocytosis Require Energy?
    Explanation – The movement of substances into and out of the cell are classified into two types – active transport and passive transport. In passive transport, the cell expends no energy, depending on kinetic energy to move the substances across the concentration gradient.
  • What is an Electron Volt a Unit of?
    Explanation – An electron volt is a commonly used measure of energy. It is represented by eV and is defined as the amount of energy required to move an electron through a one volt potential difference. Used extensively in nuclear and atomic physics, this unit is often employed in the context of chemical reactions and when considering the movement of electrons toward and away from the nucleus.
  • Is Black the Absence of Color?
    Explanation – In physics, color is the expression of the various wavelengths of light that fall within the visible spectrum, which ranges from 400 to 700 nm (nanometers). They can be viewed when light is split. The visible spectrum is composed of the seven colors often seen in a rainbow, which are commonly acronymed VIBGYOR. 
  • Convert 0.875 into a Reduced Fraction.
    Explanation – The following are the steps to express 0.875 as a fraction: Write a fraction using 0.875 as the numerator and 1 as the denominator: 0.875/1. Multiply the top and the bottom by 1000.
  • What is 21 and a Half Percent as a Fraction?
    Explanation – To solve this problem 21 1/2% must be converted into an improper fraction. 2 (denominator) is multiplied by 21 (whole number), and 1 (numerator) is added to calculate the new numerator.
  • Solve a²+b²=c² for c.
    Explanation – A right-angled triangle is a triangle where one of the three angles is a right angle. The side of the triangle that is opposite the right angle is called the hypotenuse.
  • What is Half of One and One-Third Cups?
    Explanation – To calculate half of a fraction, it must be multiplied by 1/2. Therefore, to find what half of 1 ⅓ cups is, 1 ⅓ × ½. Since 1 ⅓ is a mixed fraction, it must first be converted into an improper fraction.
  • What is the Difference Between a Metaphor and a Simile?
    Explanation – Metaphors and similes are figures of speech which are used to make writing evocative, descriptive and engaging. They do this by comparing their subjects with other things that the reader is likely to be familiar with.
  • How many Electrons does an Aluminum Atom have?
    Explanation – In neutral atoms of all elements, the number of protons in the nucleus is equal to the number of electrons orbiting it. Therefore, in order to find out the number of electrons that one atom of an element has, one should find out the number of protons it has.
  • What is the Relationship Between Chromatin and Chromosome?
    Explanation – The cell is the unit of living organisms, and is microscopic. Its size is measured in micrometers. The strands of DNA that carry the genetic information the cell needs, however, can range up to three meters in length.
  • What is Half of Three-Fourths?
    Explanation – In order to calculate what half of a fraction is, it should be multiplied by half, i.e. 1/2. Essentially, the denominator should be multiplied by two. Therefore, half of 3/4=3/4×1/2=3/4×2=⅜.
  • What is 8 ÷ 0?
    Explanation – Let’s begin by going over the definition of the mathematical operation of division: If we divide a number x by another number y and it gives us a number z, z must be unique and the product of y and z must be x, i.e. y × z = x.
  • What is 3 ¼ as a Decimal?
    Explanation – There are two methods to convert a given mixed fraction into a decimal. Method 1: Leave the whole number part of the given mixed fraction as is. Divide the numerator of the proper fraction part by the denominator.
  • What is 4 ½ as an Improper Fraction?
    Explanation – An improper fraction is a fraction having a numerator greater than the denominator. A mixed fraction, on the other hand, is another way of expressing an improper fraction as the sum of a whole number and a proper fraction. 
  • Simplify the Expression 1 + tan²x.
    Explanation – To simplify the given expression, we need to recall the basic trigonometric identities. We begin by using the identity tan θ = sin θ / cos θ.
  • What Subatomic Particles Are Found in the Nucleus of an Atom?
    Explanation – An atom is the most fundamental unit of matter. The word is, in fact, derived from the Greek word atomos, which means indivisible. While it was initially thought to be the smallest known unit that could not be broken up further, it was later discovered to be composed of 3 subatomic particles – particles that are smaller in size than the atom itself.
  • What Elements Are Liquid at Room Temperature?
    Explanation – Unlike other metals on the periodic table, mercury is the only liquid metal at room temperature. This is largely because of the unique way in which its electrons arrange themselves, causing its atoms to keep from sharing electrons with one another.
  • What is Half of ⅔?
    Explanation – It is quite easy to find the value of half of any fraction. Since the word “of” is another way of indicating multiplication, we simply need to multiply half, or 1/2, by 2/3.
  • What is the Number of Neutrons in Lithium Atoms?
    Explanation – To find out the number of neutrons an atom has, one must know its atomic number (Z) as well as its mass number (M). The atomic number, signified by Z, of an element is the number of protons it contains within its nucleus.
  • What is the Electron Configuration of Chlorine?
    Explanation – The electron configuration of an atom provides information about how the electrons in it are arranged around its nucleus. The nucleus of an atom consists of neutrons (which are neutral), and positively charged protons.
  • What is 56 Divided by 2?
    Explanation – The sum 56 ÷ 2 can be solved using the long division method as follows. Here, 56 is the divisor and 2 is the dividend. Here are the steps followed.
  • What is 2 to the Power of 2?
    Explanation – Raising a number a to the power n means multiplying the number a by itself n times. This is expressed as aⁿ and is read as “a to the power of n” or “a to the nth power.”
  • Solve kx+3x=4 for x.
    Explanation – When a question asks you to solve an equation for a particular variable, the value of that variable is being sought. Here, the equation kx+3x=4 can be solved for x as follows:
  • What Does Bisector Mean in Geometry?
    Explanation – Bisection, in geometry, refers to cutting into two equal parts. So a bisector is a line, segment, or ray that divides something, usually an angle or a segment, into two congruent parts.
  • How Many Electrons Does Bromine Have?
    Explanation – An atom that is not in the ionic state has the same number of protons as electrons and is hence electrically neutral. For such an atom, the count of its protons and electrons can be obtained from the atomic number (Z) of the element in the periodic table.
  • Solve the Equation 3x = 6.
    Explanation
    – The given equation 3x = 6 can be solved for x in a single step. All we need to do is employ the division property of equality to the equation. According to this property, if we divide both sides of an equation by the same non-zero number, then the sides continue to be equal.
  • What is an Ellipsis?
    Explanation – Three dots or periods placed immediately one after another usually indicate to the reader that there is some text missing. The term for this punctuation mark is ellipsis, and it is derived from the Greek word for ‘omission’…
  • What is 5’4” in Inches?
    Explanation –  One foot = 12 inches. Therefore, to convert a measurement from feet to inches, one must multiply by 12. In this case, we have 5 feet and 4 inches. We need to convert 5 feet into inches:…
  • What is the Charge of a Chlorine Ion?
    Explanation – According to the octet rule, atoms ought to have 8 electrons in their valence (outermost) electron shell to become stable. However, the atoms of most elements do not have eight valence electrons. They may…
  • What How Do You Write 1/8 as Percent?
    Explanation – It’s easy to convert a given fraction into its percentage value. We need to begin by dividing the numerator of the fraction by its denominator; then, we ought to multiply the value we get by 100. So for the fraction…
  • What Are the Solutions to the Equation (sin 2x+cos 2x)²=1?
    Explanation – Let’s follow a step-by-step approach to solve the given equation. First, we expand the equation: (sin 2x + cos 2x)(sin 2x + cos 2x) = 1 Next, we multiply the terms on the left side: sin ²(2x) + sin 2x cos 2x + cos 2x sin 2x + cos²(2x) = 1…
  • Is Using “and/or” Allowed in Formal Writing?
    Explanation – And/or serves the purpose of a conjunction in a sentence. It is used to show that either all of the possibilities or one or more of the possibilities it links could occur. It is occasionally written as just “and or”…
  • How Do You Write 2.5 as a Fraction?
    Explanation – Any number can be expressed as a fraction by simply dividing it by 1. So 2.5 becomes 2.5/1. However, for a decimal to be considered converted to a fraction, we need to eliminate the decimal point in the expression. For this, we begin by multiplying both the numerator and the denominator by 10 raised to the power of the number of digits after the decimal point.
  • What Percent of 60 is 15?
    Explanation – This question can be solved by setting up an equation using the given information. Since 15 is an unknown percentage of 60, we can say that 15 is x% of 60. So 15 = x% of 60 – Equation 1. And as percent means “per 100,” any percentage value is simply a fraction of 100. So x% is simply x/100.
  • What is 3 1/3 -2 2/5?
    Explanation – The given question requires us to know how to subtract mixed fractions, which in this case are 3 1/3 and 2 2/5. To subtract one from the other, we need to convert both to improper fractions. For this, we multiply the denominator of each mixed fraction by the whole number in it. Then, we add the product obtained to the numerator of the fraction.
  • How Do You Use the PEMDAS Rule to Solve (4 x 5 + 32) / 24?
    Explanation – The given expression requires a number of different mathematical operations, such as addition, multiplication, and division to be performed. So to get the answer right, we must follow the PEMDAS rule, which provides the order in which these operations need to be performed.
  • How Do You Solve the Quadratic Equation x^2 – 2x – 35 = 0?
    Explanation – A quadratic equation is an equation of degree two in a variable x that takes the form ax² + bx + c = 0; here, a and b are coefficients (numbers multiplied by the variable) of x and x², respectively, while c is a constant.
  • How Do You Plot the y = 1 Graph?
    Explanation – To understand how to graph y = 1, let’s first consider the slope-intercept form of the equation of a straight line: y = mx + b, where m is the slope of the line and b is the y-intercept (the point where the line cuts the y-axis).
  • What is the Chemical Symbol for Gold?
    Explanation – All elements on the periodic table are represented by chemical symbols, which are shorthand 1- or 2-letter notations unique to each element. The more recently synthesized or yet-to-be synthesized elements have temporary three-letter symbols assigned to them before the two-letter ones.
  • What is Sublimation?
    Explanation – Usually when the solid state of a substance is heated, it first melts to become a liquid. It is only with further heating that it vaporizes. However, in the case of sublimation, the intermediate liquid state is bypassed, and the solid transforms directly into gas.
  • What is Transductive Reasoning?
    Explanation – In his theory of cognitive development, Swiss psychologist Jean Piaget divided children’s development into various stages. The second of these is the ‘preoperational’ stage, and begins at the point where the child is acquiring language abilities.
  • What is 2 to the 6th Power?
    Explanation – If a number a is raised to the power b, a is multiplied by itself b number of times. It is written as aᵇ. a is the base and b is the exponent. The exponent is the number of times the base should be multiplied by itself.
  • What is 15% as a Fraction?
    Explanation – Percent means “per hundred”. To express 15% as a fraction, 15 must be multiplied by 1/100. 15× 1/100 = 15/100. Simplifying 15/100, we get 3/20.
  • How Many Feet Equal One Meter?
    Explanation – Here, in order to find out how many feet make one meter, we shall first convert one meter to centimeters. Thus, 1m = 100cm. We also know that 1 inch is equal to 2.54 centimeters.
  • What is 35% as a Fraction?
    Explanation – In order to express 35% as a fraction, the number 35 must be multiplied by 1/100. 35×1/100=35/100. Simplifying this, we get 7/20. Thus, 35% as a fraction is 7/20.
  • What is a Selectively Permeable Membrane?
    Explanation – Cells are bound by membranes that are selectively permeable. This means that cell membranes are not an absolute barrier that prevent the passage of all substances through them.
  • What Does “Mucho Gusto” Mean?
    Explanation – The verb “gustar” means “to like”. When it is conjugated for the singular first person, it becomes “gusto” (I like). The word “mucho” means “much”. Therefore, the literal translation of the phrase “Mucho gusto” would be “I like it very much”.
  • Which Element Has the Highest Ionization Energy?
    Explanation – The ionization energy of an element is the amount of energy that is needed to remove an electron from an atom of that element when it is in the gaseous state. In chemistry, it is measured in kilojoules per mole (kJ/mol) which is the amount of energy needed for all the atoms in one mole of the element to lose one electron each.
  • Is HCl an Ionic or a Covalent Compound?
    Explanation – When atoms combine to form molecules, the bonds between them may be of two kinds – ionic or covalent. Ionic bonds are formed when one atom gives up electrons and acquires a positive charge (becoming a cation), while the other atom picks up those electrons and becomes negatively charged (becoming an anion).
  • What are the Products of Glycolysis?
    Explanation – Glycolysis is the process through which cells extract energy from a glucose molecule. It is the first stage of cellular respiration, but does not require oxygen. Given the latter feature, it takes place in all organisms, even those that are anaerobic.
  • Solve 2+2×4.
    Explanation – To solve this problem, one should follow the DMAS rule. The DMAS rule gives the order in which operations should be done in a problem that has more than one operation.
  • Find the Square Root of 169.
    Explanation – The square of a number is the product arrived at when it is multiplied by itself. The square of 2 or 22, for instance, is 2×2=4. Square root is the inverse function.
  • What Are the Legs of a Triangle?
    Explanation – The legs of a triangle are another way of referring to its sides. In the case of a right triangle though, the legs refer to the shorter sides that converge to form the right angle.
  • What does ‘¿Qué hora es’ Mean?
    Explanation – When learning a new language, knowing how to tell the time and how to ask for it is among the basics. Very often, a literal translation of the question “What is the time?” into the new language does not work. This is also the case in Spanish.
  • Is ‘To’ a Verb?
    Explanation – The word ‘to’ is categorized under two parts of speech: preposition and adverb. As a preposition it indicates relationships, while as an adverb it tells the reader that something is either almost or fully closed or shut.
  • How Many Molecules Are in a Mole?
    Explanation – Mole is a unit that is used to measure the amount of substance. It comprises of 6.02214076 ×10²³ (Avogadro’s number) particles of the substance.
  • What is the GCF of 16 and 24?
    Explanation – GCF stands for “greatest common factor”. It is also referred to as HCF or “highest common factor”. The factor of a number is its divisor. This is a number such that when the original number is divided by it, the answer is a whole number with the remainder being zero.
  • What Percent is 44 out of 50?
    Explanation – 44 out of 50 can also be expressed as 44 ÷ 50 or even as 44/50. Percent means ‘per hundred’. Thus, 44/50 should be converted into a fraction in which the denominator is 100.
  • How Many Cups Are in Three Quarts?
    Explanation – One US fluid quart contains 4 US cup measures. 1 (US fluid) quart = 4 (US) cups. Therefore, in order to find out how many cups make up 3 quarts, we should multiply 3 by 4.
  • What is 5 − 5 x 5 + 5?
    Explanation – To solve the given expression, we need to apply the PEMDAS rule. It dictates the order in which we perform mathematical operations in an expression that consists of several of them.
  • What is 1 Squared?
    Explanation – Squaring a number means multiplying the number with itself. So 1 squared is simply the result of multiplying 1 with 1 ⇒ 1 × 1 = 1. It is also another way of saying we are raising the number 1 to the power of 2, which is written in the exponential form as 1².
  • What is the Molar Mass of CO?
    Explanation – Molar mass of a substance = Mass of one mole of the substance. In order to calculate it the atomic masses (or atomic weights) of the elements involved must be known.
  • What is 100 Times 100?
    Explanation – 100 can be expressed in the exponential form as 10². And since “times” in math is another way of indicating multiplication: 100 times 100 ⇒ 100 ✕ 100 = 10² ✕ 10²
  • How Many Seconds Are There in a Day?
    Explanation – To calculate how many seconds there are in one day, we need to employ a few simple conversions involving the units of time. We know that: One day has 24 hours ⇒ 24 hours/1day
  • What is a Polymer of Amino Acids?
    Explanation – Monomers are simple (usually organic) molecules that react with one another to form long chains of molecules called polymers. Amino acids are monomers.


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December 1, 2021

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