Perform the following calculations and record your final answer with the correct number of significant figures.

Q: Which n 15. Carry out the following mathematical ope significant figures. a) 116.3 ст —0.33 ст…

A: 15. Given, a) 116.3 cm - 0.33 cm = b) 137.8 mL + 25 mL =  c) 21 mg + 13.8 mg + 130.36 mg =

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

A:

Q: Perform the indicated math operation, and round off the answer to the correct number of significant…

A: Significant figure calculation rule used in multiplication or division: The number of significant…

Q: I have a balloon that can hold 100.0 liters of air. If I blow up this balloon with 3.00 moles of…

A:

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

A:

Q: Perform the following calculation. Round your answer according to the correct number of significant…

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Q: Evaluate the expression and report the answer to the proper number of significant figures. log (9.9…

A:

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: Perform the following calculation and input the answer expressed to the correct number of…

A: Since, When multiplying or dividing, the final answer is rounded to the same number of significant…

Q: (1.00866 – 1.00716) d. 6.02205 x 1023 9.875 x 102 – 9.803 x 10? x 100 = |(100 is exact) 9.875 x 102…

A: According to the rule for significant digits in addition and subtraction, the number of significant…

Q: Perform the calculation, and report the answer to the correct number of significant figures.

A: Perform the calculation, and report the answer to the correct number of significant figures.

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: A piece of cardboard is 12.0 cm long and 6.3 cm wide. What is the area of this piece of cardboard in…

A: Given,A piece of cardboard is 12.0 cm long and 6.3 cm wide.

Q: perform the following calculation, reporting your answer to the correct number of significant…

A: Rules for significant figure All non zero integer are significant Exact number have unlimited…

Q: Perform the following calculation and input the answer expressed to the correct number of…

A: Non zero digits are always significant.

Q: Mass (g) Height (cm) Diameter (cm) Cylinder A 15.560 5.11 1.20 Cylinder B 35.536 5.90 1.30 In…

A: Volume can be calculated using the following equation.

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

A: The answer to a multiplication or division is rounded off to the same number is significant figures…

Q: It is not safe to put aerosol canisters in a campfire, because the pressure inside the canisters…

A: Volume of canister = 1500 millilitre = 1500 mL ( 1 L = 1000 mL ) * Volume ( V ) = 1.5 L * Moles of…

Q: A chemist measures the amount of fluorine gas produced during an experiment. He finds that 72.4 g of…

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Q: perform the following calculation, reporting your answer to the correct number of significant…

A: Significant figures of a number are  necessary to indicate the quantity of something. It is also…

Q: Evaluate 6×0.222×7.0 and round the answer appropriately. Express your answer numerically using the…

A:

Q: The weight of a metal sphere was measured to be 9.81 g. Unfortunately, the caliper that was supposed…

A: Given : weight of a metal sphere = 9.81 g  Density = 7.26 g/cm3 To find : Radius of metal surface…

Q: to the correct number of significant figures: 1.285 x 102 - 1.24

A: * Significant figure are number which are meaningful  in measurement  in term of accuracy  or…

Q: If you are walking at a speed of 2.5 miles an hour how fast are you moving in kilometers a min.…

A: The speed in kilometers (km) per minutes, it is to be determined. Given: speed = 2.5 miles/hr 1 mile…

Q: 2.0947 mL X 2.425 mL 642.98 + 79.239 mL mL 2 78.08 cm X 45. cm cm

A: For division and multiplication, the answer should have the same number of significant figures as…

Q: Liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water .…

A: Given  Mass of hexane= 16.4 g mass of oxygen = 25.0 g to find mass of carbon dioxide =?

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

A: Significant digits give a precise measurement. Rules of significant digits : In case of…

Q: You measure the distance between to cities to be 42.0 miles. You need to send this data to Brazil…

A: Convert 42.0 miles to km ?

Q: Do the following multiplication and division calculations. Give a final answer with the correct…

A: final answer with the correct number of significant figures and the correct units. Units can cancel…

Q: Add 4.13 x 104 and 7.4 x 10³ Give the answer in the correct format with the correct number of…

A: Rule of addition with significant figure:  When adding measurements with significant figure, the…

Q: What is the area of a piece of metal foil that measures 43.9 cm by 29.21 cm? Express the answer to…

A: Since we know for a rectangular foil area = length × breadth  Here , Length = 43.9 cm…

Q: Consider the following problem. How should the answer be rounded, to accurately indicate correct…

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Q: A 0.0733 L balloon contains 0.584 grams of iodine gas, I2, at a pressure of 93.6 kPa. What is the…

A: Given that,  Volume of balloon V = 0.0733 L Weight of iodine gas in balloon w = 0.584 g Pressure of…

Q: Liquid hexane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water.…

A: The combustion reaction is

Q: Five silver coins are added to 454.0 mL of water. The water level rises to a volume of 545.0 mL.…

A: Volume of solution = Volume of solute + volume of solvent

Q: The chemical formula for barium oxide is BaO. A chemist determined by measurements that 0.035 moles…

A: Number of moles(n) of any substance can be calculated by dividing the given mass by molar mass. The…

Q: Perform the calculation shown. What is the answer rounded to the correct number of significant…

A: The division operation to be solved is: 3.336*108 g1.1*10-1 mL We have to solve the above operation…

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.