Which fossil fuel is the most abundant in the United States? A. Peat B. Natural Gas C. Petroleum D. Coal

What is the energy content in joules of a 1.28g sample of oatmeal that raises the temperature of 1.50 kg of water in a calorimeter from 25.0 C to 27 C

Name two gases which are supplied in compressed form in homes and hospitals?

A container holds 1.1 g of argon at a pressure of 8.0 atm. you may want to review (pages 382 - 383). how much will the temperature increase if this amount of heat energy is transferred to the gas at constant pressure?

Molecular mass of NaCl

What is the total energy needed to boil 255 grams of water, given that the ΔH vaporization = 40,650 J/mol

if 5.50 mol of calcium carbide (CaC 2) reacts with an excess of water, how many moles of acetylene (C 2 H 2), a gas used in welding, will be produced? CaC2 (s) + 2H2O (l) Ca (OH) 2 (aq) + C2H2 (g)

Jamal was riding his bike home at a speed of 12 mph. On his trip out, he had travled. 8 miles away from his house. He has been travleing for a half hour at this speed

3. Which means of particle transport requires input of energy from the cell? diffusion osmosis facilitated diffusion active transport

Which best describes a spontaneous process as it relates to the second law of thermodynamics? It destroys heat. It requires work. It creates energy. It occurs naturally.

What mass (in mg) does 2.63moles of nickel have?