Please help. Enter your answer in the provided box. Calculate the heat released when 73.0 g of steam at 126.0°C is converted to water at 40.0°C. Assume that the specific heat of water is 4.184 J/g • °C, the specific heat of steam is 1.99 J/g • °C, and = 40.79 kJ/mol for water.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?