Answer:
At first, we should know their molecular formula and symbol. In case of element, symbols are written. But in case of compound, molecular formula is used. Also we should know their coefficient (number) to make the number of atoms either side equal.
Answer:
all you will need to understand the basic energy change results the 2nd law predicts. ... We can transform some of it (but not all) into useful work.
Explanation:
Answer:
55 degrees as an acute angle
Explanation:
Answer:
A. Many dinosaurs were present in upper layers of rock strata, but not in lower layers.
Explanation:
In my opinion, this is the best possible answer.
