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Leto [7]
2 years ago
5

A fossil of an organism that lived during only one time is found in only one kind of rock layer, or stratum. If two strata conta

in the same index fossil, a geologist will know they are part of the same layer. True or False
Chemistry
2 answers:
Damm [24]2 years ago
6 0
I think this is true because they’re in the same layer, strata which would mean they died around the same time. Hope this helps sorry if it’s wrong!
Oksanka [162]2 years ago
6 0

Answer:

It would be (True) .

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How many molecules are their in o.5 mole of H2o
Black_prince [1.1K]

Answer:

There are 6.022x10^23 molecules

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3 years ago
In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chl
Annette [7]

Answer:

3.67 mol Cl

Explanation:

We need to convert g of Cl 2 to moles of Cl. First we divide 130 gCl2  by the molar mass (70.90 gCl2/mol) to find out how many moles of Cl2 do we have.

130 gCl2 x \frac{1 mol Cl2 }{70.90 gCl2} = 1.83 mol Cl2

Then we need to convert 1.83 mol de Cl2 to moles of Cl. We have 2 moles of Cl in every Cl2 molecule so we just need to multiply by 2.

1.83 molCl2 x \frac{2 molCl}{1 molCl2} = 3.67 molCl

8 0
3 years ago
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Greeley [361]
Limiting reactant in this experiment would be Magnesium since it will run out first
4 0
3 years ago
write a generalization correlating solubility with ionization. start with: "as compounds become more ionized,..."
Tema [17]

Answer:

the solubility increases

Explanation:

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Thus, solubility also depends on the extent of the ionization of the salt.

The more the salt ionizes, the more there is ion-dipole interaction between the ions the solvent and more is the solubility.

4 0
2 years ago
PLEASE HELP ME !!!!!!
Leviafan [203]

Answer: b

Explanation:

By adding heat you are adding more energy

5 0
3 years ago
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