The coefficients in a chemical equation represent the molar ratio of the substances.
For example, if an equation says 2H2 + O2 ⇒ 2H2O, it means
2 moles of H2 + 1 mol of O2 ⇒ 2 moles of H2O.
Answer:
Light moves at 300,000 kilometers per second, divide these and you get 500 seconds, or 8 minutes and 20 seconds this is an average number.
Explanation:
Answer:
2.8 * 10^(-6) / 1.4 * 10^(-2)=
2* 10^(-8)
The original options for this question were cleavage, luster and hardness. The answer would be cleavage.
A solid is hard and the molecules are packed together, a liquid can move around freely because the molecules aren't as packed together :)