2. A 4.0 g sample of glass was heated from 274°C to 314°C and found to absorb 32 J of heat. What is the specific heat of glass?

Which of the following compounds does not contain molecules? question 2 options: co2 h2 nacl h2o

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

How many moles are contained in 5.6 l of h2 at stp