2. Which of the following statements is a theory?A. In a reaction, the total mass of reactants is equal to the total mass of productsB. Elements are composed of atomsC. Larger the mass, larger the volume of a substance.D. When you compress a gas, its volume decreases.

Answered: 2. Which of the following statements is…

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter1: Essential Ideas

Section: Chapter Questions

Problem 30E: A 2.0-mer volume of hydrogen gas combined with 1.0 liter of oxygen gas to produce 2.0 liters of...

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2. Which of the following statements is a theory?
A. In a reaction, the total mass of reactants is equal to the total mass of products
B. Elements are composed of atoms
C. Larger the mass, larger the volume of a substance.
D. When you compress a gas, its volume decreases.

Expert Solution

Step 1

A) In a reaction total mass of reactant is equal to total mass of products - Law of Conservation of Mass

Step 2

B) elements is composed of atoms - Postulate of Dalton's Atomic Theory

C) Larger the mass, larger the volume of the substance.

The relation between mass and volume of the substance.

Mass is directly proportional to the volume.

D) When you compress a gas, its volume decreases.

Compression means increasing the pressure subjected to a sample of gas. When pressure increases, gaseous particles are closer together and will occupy less space. Thus the volume of the gas decreases.

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