When a sample of hydrogen is compressed to 240 mL, its pressure changes from 0.80 atm to 2 atm. What was the original volume of the sample?

A. 150 mL

B. 300 mL

C. 450 mL

D. 600 mL

What is the molarity of a solution that contains 2.3 moles of NaCl in 0.45 L of solution

Which of the following elements is most likely to be a good conductor of electricity? a. N b. S c. He d. Cl e. Fe?

A car tire was inflated to 82.0 kPa in a repair shop where the temperature is 26.0C. What is the temperature of the gas in the tire if the pressure in the tire increases to 87.3 kPa when it is taken out of the repair shop?

A sample of gas has a pressure of 3.00 atm at 25 degrees Celsius. What would the pressure be at 52 degrees Celsius if the volume stays constant? Which gas law does this problem represent?

Each element is made up of only one kind of ...

Four type of molecular models

How many particles are in 1 mol of carbon? 1 mol of lithium? 1 mol of eggs? will 1 mol of each of these substances have the same mass?

An organic chemist plans for the synthesis of a complex organic molecule by

Which societal problem can be solved in part by scientist identifying areas of high biodiversity

How many water molecules (H2O) can be produced from 6 molecules of hydrogen gas (purple) reacting with 6 molecules of oxygen gas (turquoise) ? Which reactant is the limiting reactant? Oxygen and hydrogen molecules A.