Science ! ( 40 pts )
the equation above is not balanced. in the balanced equation, what...
Biology, 14.12.2019 06:31 kylemartinez13
Science ! ( 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
Answers: 1
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Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes
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