Perform the following calculations and round off the answers to the proper number of significant figures. Report answers in scientific notations.

Q: 1. A 50.00 g sample of a solid is placed into a graduated cylinder and then the cylinder is filled…

A: Given, mass of a sample of solid = 50.00 g            volume of cylinder filled = 100.00 mL…

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: Do the following calculation and report your answer with the correct number of significant figures.…

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Q: A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the…

A: We are provided with mass and volume of unknown liquid. First we need to calculate density and then…

Q: A brick of metal has these dimensions:  7.07 in  x 9.20 in x 7.15 in.  It has mass 8.1 kg.  What is…

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Q: Calculate the answers and determine the correct number of significant figures. (9.69 x 10* mg) +…

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Q: Use the References to access important values If heeded for this question. Write each of the…

A: Given :-  8.89 × 10-3  7.77 × 104  7.71 × 103  8.06 × 10-5  To write :-  Above value in 3…

Q: A homogeneous mixture was prepared by mixing 0.90 g A, 105.7 g B and 48.17 g C. The volume is found…

A: Given, Volume of mixture = 56.6 cm3 Mass of A = 0.90 g Mass of B = 105 .7 g Mass of C = 48.17 g

Q: Your calculator gives you the number 1761.2868 as the volume (in cm^ 3) of a box 2.0 ft by 6.5 cm by…

A: When rounding off the result of a multiplication, the number of significant figures in the final…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Same Units cancel each other if present in division form only. Treat units similar to the numbers…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Given -- >  (-1.8 x 105 kg.m/s )  We know that , 1kg = 1000 g  1 m = 100 cm

Q: The density of air at ordinary atmospheric pressure and 25 oC is 1.19 g/L. What is the mass, in kg,…

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Q: 0.93 cm x 4.925 cm 358.62 g 64.52 mL 93. g mI 1 = X 93. mL = cm 0 mL 5.0 g

A: The expressions given are:

Q: 3.) Perform the following calculations. Express your answers in scientific notation using the…

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Q: he? stands for a number the student is going to calculate.) in the missing part of this equation.…

A: In this question we need to identify the relationship between the two units and then we will…

Q: Glycerol is a syrupy liquid often used in cosmetics and soaps. A 3.25L sample of pure glycerol has a…

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Q: Calculate the slope (m) of the best-fit line using the equation: m=y2-y1/x2-x1. Report the result to…

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Q: Complete each of the following calculations, and give your answer to the correct number of…

A: Answer:In the given problem we have to perform the fundamental mathematical operations and have to…

Q: Give the answers with the correct number of significant figures: a) 41.84 x 100.62 x (15.227 -…

A: A question based on general chemistry that is to be accomplished.

Q: 8. Do the following calculations. Be sure your answers have the correct number of significant…

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Q: Perform this calculation by first converting the numbers into scientific notation and then…

A: According to significant figures' rule, there should be no digits in the answer if we multiply one…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Convert the following measurement:54 cm3 = ? m3

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A:

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

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Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: The conversion of units into one form or the other by mathematical operations is called as unit…

Q: A physical chemist measures the temperature T inside a vacuum chamber. Here is the result. T=-21.8…

A: Given, Temperature, T = -21.8 °C The temperature value in S.I units is :

Q: Antarctica, almost completely covered in ice, has an area of 5, 500, 000m * i ^ 2 with an average…

A: Since the area of Antarctica = 5.5 X 106 mi2  And since 1 mi = 5280 ft  Hence area in ft2 = area in…

Q: The beakers shown below have different precision as shown. Suppose you combine the water from these…

A: The significant figure refers to particular digits in a number. According to the measurement rule,…

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: To convert 90 kg.m/s to g.m/s.

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Rules for determining the correct no. Of significant figures in answers:Rule 1. The result of an…

Q: 1.00 x 10 8 + 9.45 × 10 4.03 x 103 +1.00 × 10 8 3.17 x 104 9.68 x 106 (1.00 x 10-8) (9.45 x 10- 4)

A: 1.00×10-8+9.45×10-4we can write…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

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Q: Complete the following operations and write your answer with the correct number of significant…

A: Complete the following operations and write your answer with the correct number of significant…

Q: Add or subtract the following measurements. Be sure each answer you enter contains the correct…

A: In scientific measurements, the significant digits of a number are those digits that carry…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

A: Rule of significant digit-1) In non decimal number, 0 comes after non-zero not count in significant…

Q: For the following division problem: (6.626 x 10–30) / (9.63 x 107) = ? What is the answer reported…

A: When we divide  the two same numbers  having  coefficients,  like 10-2/10-4 than here we just…

Q: How many seconds are there in 3.7 years? (Use 365 days/year) (You do not need to put in your units &…

A: The given time in the year is = 3.7 years The time in second is =?

Q: Please answer this question as fast as you can please and tahnk you. I will afterwards write an…

A: To solve this problem we have to use significant figures rules .

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.