chemical equations formula Flashcards
1
Q
What do all chemical reactions produce?
A
They all produce new substances
2
Q
Do you have to show if an element is diatomic in a word equation?
A
Yes, their formula must show this
3
Q
When is a chemical equation balanced?
A
Chemical equations are balanced when there is the same number of each type of atom on both sides of the equation
4
Q
Can you change the formula in word equations?
A
NO
5
Q
What does balancing involve in word equations?
A
Big numbers, not small numbers
6
Q
How do you work out the average rate of reaction?
A
Average = A Quantity ÷ A Time
