What is the specific heat of a 44g piece of metal if 202 Joules of heat are required to raise the temperature from 22oC to 33.6oC?

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

Which of the following is most likely true about water in chemical solutions?