Which is the largest number?

OA. 4.5 x 10^7

OB. 9.9 x 10^6

OC. 5.8 x 10^8

OD. 5.5 x 10^5

Suppose that a 100 mL sample of ideal gas is held in a piston-cylinder apparatus. Its volume could be increased to 200 mL by: a. increasing the temperature from 25oC to 50oC at constant pressure. b. increasing the pressure from 1.00 atm to 2.

The average atomic mass of oxygen is 15.9994 amu. The atomic masses of its three isotopes are as follows: O-16: 15.995 amu; O-17: 16.999 amu; O-18: 17.999 amu Which isotope is most likely to have the greatest abundance in nature?

reactant → product If there are 4 grams of reactant, how many grams of product are produced by the chemical reaction? A) 0 grams Reactivate B) 2 grams Reactivate C) 4 grams Reactivate D) 8 grams

In the decomposition of water. How many grams of Hydrogen will be produced by 20g of water?

Why do different isotopes of an element generally have the same physical and chemical properties?

What is the net ionic equation for AgNO3 (aq) + Na2SO4 (aq)

What does it take to prove a hypothesis false? O A. It is impossible to prove a hypothesis false O B. At least ten examples O C. One counterexample O D. A poorly stated question

We dissolve 5g of sugar, C12H22O11, in water to make 1L solution. What is the concentration of this solution expressed as molarity.

Explain how the molar mass of a gas affects the rate at which the gas diffuses and effuses

Wat is a redox reaction