What are the three states in which most matter occurs

For the following balanced equation: 3 Cu (s) + 8 HNO3 (aq) → 3 Cu (NO3) 2 (aq) + 2 NO (g) + 4 H2O (l) a) How many moles of HNO3 will react with 10 moles of Cu? b) How many moles of NO will form if 0.50 moles of Cu reacts? c) If 0.

Gravitational force on the moon is 1/6th (0.165) of that on Earth. If a person weighs 140 pounds on Earth, what is his weight on the moon?

What happens when additional electrons were placed in the atom?

Which temperature is required for the cell potential to be the standard cell potential?

Which metalloid is in the fourth period and the same group as carbon?

Much of life on Earth is based in aquatic biomes. What property of water allows life to survive in liquid water?

A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have? 13 9 5 4

Calculate the maximum mass of carbon dioxide that could be obtained by adding excess hydrochloric acid to 15 g of calcium carbonate.

True or false: during dry weather, the water level in a small pond drops because of runoff.

Bradley hit a baseball with a bat. The baseball then hit a window and caused the window to break. Where did the energy that broke the window come from?