Perform each of the following operations, using your calculator where possible:(a) Write the number 0.0054 in standard exponential notation. (b) (5.0 x 10-2) + (4.7 x 10-3) (c) (5.98 x 1012) (2.77 x 10-5) (d) 4√1.75 x 10-12

Q: Do you round the vant hoff to the nearest whole or leave it as a decimal?

A: Depression of freezing point of an electrolyte solution : when a non volatile solute added in a pure…

Q: When you perform the following operations, how many significant figurės should your answer have?…

A:

Q: How do I find the scientific notation of 82,000,000 s if the number of signtificant figures is 4?

A: The number given is 82,000,000 s And number of significant figures required in final answer is 4.

Q: When 33.911 is added to 82.649, the result should be reported with digit(s) after the decimal point.…

A: While subtraction or addition, the number of decimal places in the result are same as the…

Q: A gallon (3.78L) of latex paint can cover 385 ft2 of the surface of a wall. What is the average…

A: Since, 1 L = 103 cm3∴3.78 L = 3.78 x 103 cm3Since 1 ft2 = 929 cm2∴ 385 ft2 = (385x929) cm2…

Q: Calculating the density of a rectangular wooden block (fig 3). In determining the density of a…

A: Density of the substance is equal to the ratio of mass to volume. Formula: Formula of wooden block:

Q: Which of the following is the greatest thickness: 1 mm, 0.1 cm, or 0.001 m?

A: 1mm, 0.1cm and 0.001 m are all of the same thickness.

Q: noraml body tempature is 37.0 celsuis , what is the corresponding fahrenheit tempature?

A: Given,37.0 Celsius.

Q: When rounding the number 2.348615 to 4 significant figures, what is the correct value?

A:

Q: A patient’s temperature is found to be 38.58C. To whatFahrenheit temperature does this correspond?

A: The temperature of any body is its physical property which tells how hot or cold a body is. As the…

Q: is it possible for the calculated answer from a mulitplication or divison problem to contain more…

A: The significant number of answer in multiplication and division is determined by the number having…

Q: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

A: The equation is as follows: [(1 x 10230 x 1 x 10–280)4]/(1 x 10270)1/3

Q: Is it possible to determine the density of liquids at high temperatures using a Pycnometer?

A:

Q: The average annual rainfall on Mount Waialeale on Kauai, Hawaii is 460.1 inches What is this average…

A: The average annual rainfall on mount waialeale on kauai, Hawaii is 460.1 inches. We know one inch of…

Q: Perform the following set of operations and choose the alternative that expresses the result to the…

A: • The given expression is,        (1.5 × 10-4 * 61.3 ) + 2.01     • We need to write the result of…

Q: Complete the following operations by filling in the exponent for the result: (**)(*) = *

A:

Q: How many minutes will it take a car to travel 857 km if the car is moving at a constant speed of 25…

A:

Q: In the winter, a heated home in the Northeast might be maintained at a temperature of 63 °F. What is…

A: Given  Temperature  = 63 °F  Temperature in Celsius and Kelvin = ?

Q: If a solution has a temperature of 355 K, what is its temperature in degrees Celsius? (please…

A: Temperature in Kelvin = 355 K

Q: An ibuprofen suspension for infants contains 100mg / 5.0mL. The recommended dose is 10mg / kg body…

A: Conversion:1 pound = 0.4535 g2.20 lb = 1 kg18 lb = 8.16 kg

Q: Is it faster to 1) adjust the liquid level to exactly hit a graduated cylinder measurement mark or,…

A: Accuracy is the measurement of the closeness of the value in comparison to its true value. Precision…

Q: Perform the following mathematical operations and express the result to the correct number of…

A: To the correct, round off the answer by the least number of significant figures that are present in…

Q: what fraction of an hour is 900 seconds using dimensional analysis

A: what fraction of an hour is 900 seconds using dimensional analysis

Q: You are driving 65 mi/h and take your eyes off the road for “just a second.” Whatdistance (in feet)…

A: Given data contains, Velocity is 65 mi/h.

Q: 1?

A: Dipole moment =       charge(q) × bond length(l) Dipole moment is the product of charge (magnitude…

Q: A chemistry instructor provides each student with 8 test tubes at the beginning of the school year.…

A:

Q: Round the following number to four significant figures and express the result in standard…

A: The value given is 229.613.

Q: If I dissolve one teaspoon of sugar into a cup of water, I can say the sugar is 1 point the

A: Solute  is the smaller or minor compound or molecule in the solution which is dissolve in the…

Q: 3. Which of the following states of matter has a fixed volume and a fixed shape?

A:

Q: (7.90× 10-) (1.87 × 10*) x 10*) = 10°). 8.09 x 10-4 9.17 x 10° – 1.87 × 105 (3.19 x 10°) (9.17 ×…

A: First we  need simplicity of power after it we do our complete calculation.

Q: True or false: The “size” of a degree on the Celsius scale is thesame as the “size” of a degree on…

A: The temperature scales of Fahrenheit, Celsius and Kelvin are developed based on freezing and boiling…

Q: Why is that Fahrenheit need to convert to Celsius? Is it easy to do a mathematical method if we use…

A: Fahrenheit and Celsius are the units of temperature. They are represented by the symbols °F and °C…

Q: What is the number of significant figures does the sum of the following contain   .3+ 5.652 , the…

A: 0.3+ 5.652

Q: What is the percentage uncertainty with the following measurement 0.100 ± 0.005 g? Provide your…

A: Given:  0.100 ± 0.005 To find: The percentage uncertainity of the given measurement

Q: 1.285 x 10^-2 + 1.24 x 10^-3 + 1.879x 10^-1

A: Value of 1.285 x 10^-2 + 1.24 x 10^-3 + 1.879x 10^-1 in correct significant digit?

Q: Give the derived SI units for each of the following quantitiesin base SI units:(a) acceleration =…

A: Since we only answer up to 3 sub-parts, we’ll answer the first3. Please resubmit the question and…

Q: The number 7.134×10^7in normal decimal notation is?

A: Basic rules to convert scientific notation into decimal notation :If the exponent is positive, move…

Q: (a) Read the following description of the element zinc andindicate which are physical properties and…

A: Chemical property- The property in which chemical reactions are happened called as chemical…

Q: If the sum of twice a number and -3 is multiplied by 4, the answer is 28. What is the number?

A: Let the unknown number be x. The twice of the number= 2x

Q: Perform the indicated conversion: 3.06 x 10³ cal = J A 1.28 x 104 J B 1.37 x 10-3 J 12.8 J D 7.31 x…

A:

Q: lim (sin x · In x) = x→0+ IT 2 8.

A:

Q: What is the uncertainty in the measured value 12.37040 after it is rounded to the following number…

A: The location of the last significant figure of a measurement shows the uncertainty. When the…

Q: The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to…

A: According to the question, 1 Calorie = 1 kcal and 1 lb = 4.1×103 Calorie and also 1 kcal = 4.184 kJ.…

Q: A 1-4.1.1 Bone x O Emmaree Her x A 1ST STOP - C X O Emmaree Her X AChemistry -7 x O L- Unit 5.1 Te x…

A: Given :  Partial pressure of O2 = 40.0 atm Partial pressure of N2 = 5.0 atm Partial pressure of He =…

Q: Consider the following operations on the number 8.97 × 10–2 Without using a calculator, decide which…

A: Significant numbers are the number of digits in a value, that gives the degree of accuracy of that…

Q: ᴀᴄᴛɪᴠɪᴛʏ ₄: ᴅᴇꜱᴄʀɪʙᴇ ᴍʏ ꜱᴛʀᴜᴄᴛᴜʀᴇ ᴅᴇᴇᴘᴇʀ! ᴅɪʀᴇᴄᴛɪᴏɴꜱ: ʀᴇᴀᴅ ᴀɴᴅ ᴀɴꜱᴡᴇʀ ᴛʜᴇ ꜰᴏʟʟᴏᴡɪɴɢ Qᴜᴇꜱᴛɪᴏɴꜱ: ₁.…

A:

Q: The goose has a mass of 18.6 lb (pounds) and is flying at 9.40 miles/h (miles per hour). What is the…

A: Mass of Goose (m) = 18.6 pounds Velocity of Goose (v) = 9.40 miles/hr

Q: In determining the density of a rectangular wooden block, use the information in the table below and…

A: Concept introduction: Density of the substance is equal to the ratio of mass to volume. Formula:…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.