A bomb calorimeter has a heat capacity of 2. 47 kj/k. When a 0. 105-g sample of ethylene (c2h4) was burned in this calorimeter, the temperature increased by 2. 14 k. Calculate the energy of combustion for one mole of ethylene.

Use the series of plates supplied with your study unit to answer this question: how many two-pole 30-a breakers are installed in panel pp1? a. four b. two c. eight d. nine can i get an answer for this question?

On a test the graders have a mean of 77 and a standard deviation of 8. if we can approximate the distribution of these graders by a number distribution what percent of the students. a) scores higher than 77? b) should pass the test (grades > 60)? c) should fail the test (grades < 60)?

Which of the following characteristics of the arctic rabbit is specifically an adaptation to living in the tundra? a. small size b. keen eyesight c. strong legs d. white fur