Which of the following chemical equations is NOT correctly balanced?

N2 + H2 - - > 2 NH3

HCl + NaHCO3 - - > CO2 + H2O + NaCl

C2H5OH + 3O2 - - > 2CO2 + 3H2O

4NH3 + 5O2 - - > 4NO + 6H2O

Determine the molecular weight of H20. o 18 g O 18.0 g O 18.01 g O 18.016 g

Which would least strongly attract electrons from other atoms in a compound? elements of group 1 elements of group 2 elements of group 15 elements of group 17

4.887x10^23 atom of Ne to moles

Which example is a renewable energy source? a) sunlight b) coal c) anthracite d) natural gas

Which two particles in an atom are equal in number

Nuclei with too many or too few neutrons are?

Be sure to answer all parts. Enter the formula for potassium dihydrogen phosphate and determine its molecular (formula) mass.

g Gaseous ethane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water. Suppose 2.71 g of ethane is mixed with 3.8 g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction.

How many molecules of atp are produced in aerobic versus anaerobic cellular respiration

Write a balanced chemical equation for the complete combustion of C3H7BO3, a gasoline additive. The products of combustion are CO2 (g), H2O (g), and B2O3 (s).