I THINK that that is true. It's just weathering the rock down not change composition. Lemme know if you get it right please! (:
Answer:
C.
Explanation:
Because it decreases from October trough december
Answer:
There are 6.022x10^23 molecules
Answer:
Explanation:
Alka Seltzer tablet contains 325 mg of aspirin (acetylsalicylic acid), 1000 mg of citric acid, and 1916 mg of sodium bicarbonate. The acids originally contained in a tablet give only 17.4 mmol of H+, which is not enough to neutralize all of the sodium bicar- bonate (22.8 mmol).
Quick answer: Exothermic reactions mean that heat has escaped the system. The answer is A. Heat is released.