*Assignment* 1. Calculate the quantity of electrical energy used by an electric bulb rated 120 watts used for 3 hours.
2. Calculate the power of a 85 g man who climbs down a staircase of height 125 cm in 10 seconds, given that acceleration due to gravity is 10m/s^2.someone help!! please

1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl).    you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: •what is the balanced equation for this reaction? •if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •how many grams of aluminum hydroxide will actually be made?     which reagent is limiting? explain your answer.

Which three statements represent the benefits of performing experiments using computer simulations?

The atomic number of an element is based on the number of electrons around its core mass of its nucleus number of protons in its nucleus number of neutrons in its nucleus