Which of the following shows that the combustion of methane produces 802 kJ/mol of energy?
A. CH4(9) +202(g) + 802 kJ/mol + CO2(g) + 2H2O(g)
B. CH4(9) +202(g) → CO2(g) + 2H2O(g) - 802 kJ/mol
C. CH4(9) + 202(g) → CO2(g) + 2H2O(g) + 802 kJ/mol
802kJ
O D. CH4(9) +202(9)
CO2(g) + 2H2O(g)
SUBMIT

What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.

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

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the independent variable in galileo's experiment? a. the speed of the ball b. the slope of the plane c. whether the ball moved d. what the ball was made of