The density of iron is 7.874 g/cm. What is the height of a block that weighs 25.0 g if the length is 2.75 cm and the width is 4.30 cm? Record your answer to 3 decimal places.​

How much heat is added if 0.814g of water increase in temperature by 0.351 degree c?

Reacting masses1 calcium carbonate breaks down on heating to produce calcium oxide and carbondioxide gas.caco3 + cao + co2a student heats 15 g of calcium carbonate strongly in a crucible.relative atomic masses (a): ca = 40, c = 12, o = 16.calculate the mass of calcium oxide produced by this reaction.(5 marks)

Where are the noble gases located in the periodic table? a. in the center b. on the left side c. in the upper right corner d. on the far right side