In the reaction c7h16 + __o2 → 8h2o + 7co2, what coefficient should be placed in front of o2 to balance the reaction?
select one:
a. 7
b. 8
c. 11
d. no coefficient is needed

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume