Which compoud is propanic acid

A gas in a sealed container had its volume increased from 12.1 liters to 21.1 liters. and heated from 241 K to 298 K. If the original pressure was 546 torn what would be the final pressure in torr?

What is the mass percent (m/m) concentration of a solution prepared from 500. g nacl and 2.50 kg of water?

A mixture of two compounds, a and b, was separated by extraction. after the compounds were dried, their masses were found to be: 105 mg of compound a and 91 mg of compound b. both compounds were recrystallized and weighed again.

The scientist found that 2 grams of hydrogen reacted completely with16 grams of oxygen what was the total mass of the water produced

The formation of a complex carbohydrate is what type of reaction?

True or false everything has the same amount of energy?

4NH3 (g) + 502 (g) - >6H20g) + 4NOg) What is the enthalpy change for this reaction?

What diseases have increased public awareness of infection control over the past few years?

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second