Answer:
<em>Each substance on the left side of the arrow in a chemical equation is a </em><u>reactant.</u>
Explanation:
The chemical changes (chemical reactions) are represented by <em>chemical equations.</em>
The chemical equations show the starting substances and the final substances.
The starting substances of the reaction are the reactants.
A single <em>arrow</em> is used to indicate the direction of the reaction, the <em>reactants </em>are placed <em>on the left side</em> of the equation, and the products appear on the right side.
This sketch shows that:
reactants yield products
general form A + B → C + D
example Na + Cl → NaCl
Answer:
The food chain starts as prey to a preditor and then when the preditor dies the prey eat the preditor
Explanation:
Just that
Answer: Volume is 0.594 litres
Explanation: Amount of moles = volume · concentration
n = Vc and V = n/c = 0.642 mol / 1.08 mol/l = 0,59344.. l
Answer:

Explanation:
We can use the Ideal Gas Law — pV = nRT
Data:
V = 15.0 L
n = 0.55 mol
T = 300 K
Calculation:
