28 Copper can be made by reacting copper oxide with hydrogen as shown below.
CuO + H2 → Cu + H20
How many moles of copper would be made if:
a) 5 moles of copper oxide were reacted with 10 moles of hydrogen?
b) 2 moles of copper oxide were reacted with 2 moles of hydrogen?
c) 0.4 moles of copper oxide were reacted with 0.3 moles of hydrogen?

What overall charge must all compounds have

According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.