Science help! ( 40 pts )
The equation above is not balanced. In the balanced equation, what coefficient would be in front of the iron on the reactant side?
1
2
3
4
In an exothermic reaction, what happens to heat?
It is released.
It is absorbed.
The amount of heat does not change.
Heat creates a weak acid buffer.
Which is not a factor that can affect the rate of a reaction?
color of reactants
temperature
pressure
amount of reactants
How much sodium chloride would be weighed out if 3 moles of the molecule were needed? *
NaCl has an atomic mass of 58.44
19.48 g
116.88 g
175.32 g
Not possible to have this much sodium chloride
