number of molecules in 1.0 micromole of water

Q: A chemist mixes 8.0 g of carbon tetrachloride with 25. g of thiophene and 85. g of…

A: Introduction: Mass percent is the amount of elements with respect to their mass present in the given…

Q: two atms of an element have the same number of  protons electrons plus neutrons protons plus…

A: Atoms are the smallest constituent unit of ordinary matter that has the properties of a chemical…

Q: Compare the dimensions of a molecule of cellulose and a molecule of amylose, each of Mr 200,000

A: Polysaccharides are the most abundant carbohydrates which are composed by the joining of…

Q: Consider a solution of glucose in water that is 5.25% by mass glucose. Calculate the indicated…

A: Water contains 5.25% by mass glucose. Mass of the solution=225g  Therefore, Concentration of…

Q: "Most biological reactions occur between pH 6.5 and pH 8.0."

A:

Q: Examine the water molecule in figure 2.14 of the textbook . What type of bond occurs between each…

A: The compounds and molecules are formed by combining one type or more than one type of atoms through…

Q: Why does ice float in water?

A: It is a dipolar molecule. It is irregular with tetrahedral geometry. Each molecule in liquid water…

Q: You want to make a solution that is 1x TE AND 10% glycerol in the same solution. You have the…

A: A percentage solution can be defined as the amount of volume of a particular chemical compound that…

Q: Find the molarity of a solution that is made by dissolving 76.54g NaCl in enough water to make a…

A: Molarity is used to describe the concentration of a solution. It is the number of moles of solute…

Q: Explain how electronegativity applies in a water molecule

A: Water (H2O) is polar because of the bent shape of the molecule. The electronegativity value of…

Q: 1.  (a) Molar solubility is     its molarity in a saturated aqueous solution     the solubility…

A:

Q: Comparing Macromolecules Protein Lipid Carbahydrate Nucleic Acid

A: Proteins Lipids Carbohydrates Nucleic Acid Functions Structural Building, Functional in form of…

Q: The molecule in the accompanying figure contains

A: Fatty acids are the building blocks of the fat in our bodies and within the food we tend to eat.…

Q: A water (H20) molecules is

A: Under normal conditions, water exists as a liquid on the Earth's surface, making it invaluable for…

Q: Your instructor has given you a solution with 162.0 g of glucose (C6H1206) in one liter of water.…

A: 162.0 g of glucose C6H12O6  in  H2O  Number of moles of solute = given mass /Molar mass . Molar mass…

Q: If water were not polar, would it dissolve sodium chloride? Explain.

A: As like dissolve like, the polar compound is soluble in a polar solvent and non-polar compound in a…

Q: In less than 3-5 sentences, explain the following attributes of water that makes it a polar solvent:…

A: Introduction:    A water molecule is made up of three atoms which include one oxygen and two…

Q: Chemical Formula Elements and Number of Atoms Model 1. H, 2. 0, CH, 5. NaOH 3. 4.

A: The Atom is the smallest unit of a matter that form an element. The atom contains electrons and…

Q: At 20°C the mean square displacement of the molecule of compound A in water is 1.43x106 cm?.…

A: Given : Mean square displacement =1.43 × 0-6 cm2

Q: In ice, each water molecule is involved in ______ hydrogen bonds.

A: Explanation: From the water(liquid form) to ice (solid form) transition is bacause of the change in…

Q: Several emergent properties of water contribute to the suitability of the environment for life. In a…

A: Earth is so far the only planet that has the capability to sustain life on it. There are many…

Q: How do I work pH equations on my calculator? -log(H+)=pH pH=7.6, how do i find the concentration of…

A: pH is a measure of how acidic or basic a solutuion is. It is the negative base 10 logarithm of the…

Q: A 196 g saturated solution has a solubility of 96.0 g/100 g water. If somebody sneakily sip 6 g of…

A: Solubility represents the maximum amount of a substance that dissolves in a given amount of solvent…

Q: The PH formula is given as PH=-log(H+).  The H+ is the number of free ions of hydrogen.  A seven PH…

A: pH means "Power of Hydrogen" or "Potential of Hydrogen". pH Scale is a scale used to quantify and…

Q: used as a what would be the ratio of conjugate base to weak acid in a pH 7.00 C Choose the on

A: Cysteine is a sulfur containing  amino acid. Given, pKa's of cysteine 1.92, 10.70 and 8.37 Amino…

Q: Predict the pH of a sample of water if Kw were 10−10 or 10−20.

A: Kw is the equilibrium constant, which is denoted from the formula Kw = [H3O+] [OH-] = 10-14…

Q: what determine molecule's solubility or lack of solubility in water

A: The solubility of one substance in another is determined by the balance of intermolecular forces…

Q: A solution with a pH of 2 than a solution with a pH of 8.a. has less H+b. has more H+c. has more OH−

A: pH is a negative lot of hydrogen ion concentration.

Q: There are _ times less _ ions in solution with a pH 3 than in a solution with a pH6.

A: Introduction In a chemical reaction, a solution can be acidic or basic which depends on the…

Q: polar characteristic of a water molecule

A: Water is composed of one oxygen and two hydrogen atoms. Each hydrogen atom is covalently bonded to…

Q: Water forms stronger hydrogen bonds than ammonia. Suggest a reason for this.

A: Hydrogen-bonding is considered as the weakest bond, which is present between the two electronegative…

Q: Water can dissolve many substances including some big molecules such as proteins because of its…

A: Water is a transparent, odorless, tasteless, inorganic chemical substance. It is composed of…

Q: Hc-OH HO -H H HC-OH он он Hc-OH H -OH This image shows two configurations of the same molecule,a(n)…

A: Monosaccharides are the simplest type of carbohydrate. Monosaccharides may be joined together by…

Q: In H2O how many hydrogen (h) atoms are present

A: Answer- 2 atoms. In H2O 2 hydrogen atoms are present.

Q: Calculate the pH of a solution if  [H3O+] = 3.4 x 10-2M Indicate whether the solution is acidic,…

A: To calculate the pH of the solution The concentration of hydronium ion given as 3.2×10-2M.

Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (CHgO7)? C6H307(aq) +…

A: Acids are substances that are capable of donating a proton to the aqueous solution. Weak acids…

Q: What would be the appropriate linear unit of measure for a atom

A: The linear unit of measurement measures the objects that are placed along the straight line by the…

Q: Property 5: Water expands when it freezes. liquid solid Water is the only liquid that becomes less…

A: It is an inorganic,  transparent,  tasteless odorless and colorless chemical substance which is the…

Q: A solution contains 40 g of common salt in 320 of water. Calculate the concentration in terms of…

A: Mass per cent is a way of expressing a concentration or describing the component in a particular…

Q: 90% of our body is made of water. Use a water molecule to describe the relationship among all the…

A: 60% is water in the human adult body. The human brain and heart are made of 73% water. Lungs are…

Q: The triple point of an element is at 75 torr and 125°C. This means that liquid is more dense than…

A: Various biochemical and physiological processes occurs in the cells resulting in various activities…

Q: If the pH is 2, what is the %HA at of a molecule has a pKa = 6? Report the answer to one decimal…

A:

Q: Considering only the side chains of the amino acids in the molecule shown above, how many can…

A: Hydrogen bonding is the bonding between the Hydrogen in a molecular dipole and an electronegative…

Q: You are a graduate student who is trying to conduct an experiment. For this experiment, you need to…

A: In order to make working solutions, it is often required to dilute the available stock solutions.…

Q: In 5H2O how many hydrogen (H) atoms are present

A: Hydrogen atom is chemical atom which has atomic mass and number as 1. It has a single proton In it's…

Q: hich of the following is not a unique property of water? provide as means of lubrication have a high…

A: Introduction: Water is important for the survival of all living beings. Water generally has no…

Q: The molecular weight of glucose is 180.16 g/mol. Say you want to make 100 ml of a 0.6M solution of…

A: Molarity is defined as the number of moles of solute per litre of solution which can be formulated…

Q: _____________ water molecules are noncovalently associated on the surfaces of macromolecules and…

A: Biomolecules such as carbohydrates, proteins, lipids, and nucleic acids are known to form…