A mole is most similar to?

Ca (s) + 2hno3 (aq) →ca (no3) 2 (aq) + h2 (g) part a identify the oxidizing agent. identify the oxidizing agent. h2 (g) hno3 (aq) ca (s) ca (no3) 2 (aq)

A piece of metal weighing 15.442 g is placed in 49.7 ml of ethyl alcohol (d = 798 g/ml) in a graduated cylinder. the alcohol level increases to 51.8 ml. the best value for the density of the metal from these data is:

Describe how temperature affects the rate of a reaction. Enter your answer in the space provided.

How many milligrams remain of a 15.0 mg sample of radium-226 after 6396 years? The half life of radium-226 is 1599 years.

If you have a 4.0 g of radioactive substance left after 4 half-lives have passed then how much did you have originally? 25 g 50 g 64 g 10 g

Which type of signaling pathway uses second messengers because the hormone cannot pass through the plasma membrane? a.) amino acid based b.) lipid based

Why are the gases in the troposphere layer denser than the gases in the other layers?

Which of these solutions will be the best conductor of electricity? Solution A Solution B Solution C

What would be the best way to measure Carbon Dioxide in a Soft Drink can? And yes, we were going to do it by taste.

Calculate the molar mass of N2O3