C + 2zno -> co2 + 2zn how many grams of carbon dioxide will be produced if 135 grams of ZnO is completely reacted?

What is the molar mass of a gas that has density of 2.054 g/l

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer

Give a real-world example of an energy transformation that uses two of the following forms of energy: chemical, mechanical, nuclear, gravitational, radiant, electrical, thermal (heat), and/or sound.