Answer:
ideal gas law. PV=nRT
Explanation:
pressure x volume = #moles x R (constant of 8.31) x temp
Answer:

Explanation:
Given the following mathematical expression;
A = ½(a + b)h
To make a the subject of formula (express a in terms of A, b and h);
First of all, we would cross-multiply;
2A = (a + b)h
Opening the bracket, we have;
2A = ah + bh
Rearranging the mathematical expression, we have;
ah = 2A - bh

Answer:
Explanation:
B)The compound potassium chloride (KCl) has different properties than potassium (K) and chlorine (Cl).
Answer:four hydrogen atoms
Explanation: