Our bodies are not very efficient. what happen to most our energy

If 34.1 kJ of heat is released when 5 moles of a gaseous substance condenses

Convert $1.89/gal to dollars per liter

How would the following solid substances be classified? The choices are metallic, ionic, or molecular. C6H12O6

How many Calcium, hydrogen, and oxygen atoms are in Ca + 2H2O → Ca (OH) 2 + H2?

Calculate the percentage composition of (NH4) CO3

How is wind deflation different from wind abrasion?

What is the pH of a solution with a hydronium concentration of 2.88 * 10-2 M?

Which of the following characteristics is fixed, or definite, for all states of matter? volume shape mass energy

Describe a change caused by kinetic energy as well as a change caused by potential energy.

Which is more concentrated, a solution (1) prepared by dissolving 21.0 g of naf (0.500 mol) in enough water to make 500 ml of solution or a solution (2) prepared by dissolving 10.5 g (0.250 mol) of naf in enough water to make 100 ml of solution?