What do scientists use molecular clocks to estimate?
a. the age of fossilized remains...
What do scientists use molecular clocks to estimate?
a. the age of fossilized remains found in an archeological dig.
b how long it will take for a molecule to break down into individual atoms
c how long ago various groups of organisms diverged evolutionarily from one another
d the rate at which a chemical reaction will occur at a given temperature and pressure
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Chemistry, 22.06.2019 17:40
If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?
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Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
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The chemical formula for emerald is be3al2(sio3)6.an emerald can be decided as
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Chemistry, 23.06.2019 06:00
Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants
Answers: 2
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