When 25 g of H2O are made, how many grams of C2H5OH react? C2H5OH (l) + 3 O2 (g) → 2 CO2 (g) + 3 H2O (g)

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

If 200.0g of copper(ll) sulfate react with an excess of zinc metal, what is the theoretical yield of copper

What is the temperature of one mole of helium gas at stp?