A solid silver coin (specific heat = 235 J/kg°C) is heated to a temperature of 58.0°C and added to 100 milliliters of 25.0°C water inside a calorimeter. If the water in the calorimeter reaches an equilibrium temperature of 27.0°C after the coin is added to it, what is the mass, in grams, of the silver coin?

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.

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?

What is the mass of 8 moles of sodium atoms