1. For each of your three trials state the following: • heat needed to melt the ice (q)
• enthalpy of fusion
• percent error from the accepted enthalpy of fusion of water of 334 J/g

Aside from human impact, which of the following causes less water vapor production over a small area? (2 pderivartin

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.