A sample is left on the desk over several hours. On examination, the crystals appear moist, and liquid is forming around them. The compound is classified as

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

Which factor is likely to impact the possible number of compounds ?