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Serga [27]
3 years ago
5

What are the four factors that affect the natural selection?

Chemistry
1 answer:
BaLLatris [955]3 years ago
6 0

Answer:

• potential for a species to increase in number

• the heritable genetic variation/ which results from mutation in dna

• the size of a population increases

• competiton for resources that are limited in that specific environment.

Explanation:

these are all factors that would affect natural selection although there are many more.

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200 grams of an organic sample which contains only carbon, hydrogen, and oxygen is analyzed and found to contain 97.30 grams of
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The empirical formula for 200 grams of an organic sample which contains carbon,hydrogen, and oxygen is C3H6O

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3 years ago
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The osmotic pressure of a saturated solution of strontium sulfate at 25 ∘C∘C is 21 torrtorr. Part A What is the solubility produ
USPshnik [31]

Answer

solubility product = 3.18x 10^-7

Explanation:

We were given the pressure in torr then we need to convert to atm for consistency, ten we have

21torr/760= 0.0276315789 atm

21 Torr = .0276315789 atm

P = i M S T

M = P / iRT

Where p is osmotic pressure

T= temperature= 25C+ 273= 298K

for XY vanthoff factor i = 2

S = 0.0821 L-atm / mol K

M = .0276315789 atm / (2)(0.0821 L atm / K mole)(298 K)

M = 0.000564698046 mol/liters

solubility= 0.000564698046 mol/liters

Ksp = [X+][Y-]

Ksp = X^2

Ksp = [Sr^+2] * [SO4^-2]

Ksp = X^2

Ksp = (0.000564698046)^2

Ksp = 3.18883883 × 10-7

Ksp = 3.18x 10^-7

solubility product = 3.18x 10^-7

Therefore, the solubility product of this salt at 25 ∘C∘C is 3.18x 10^-7

7 0
3 years ago
Is it Nephrons or Kidney or Urine or Urethra
UkoKoshka [18]

Answer:

it's urine option ( C ) .

7 0
3 years ago
True or False: Both molecules and compounds are pure substances.
Solnce55 [7]

Answer:

False

Explanation:

Hope this helps!

4 0
3 years ago
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Convert 123 in scientific notation
dalvyx [7]
✡ Answer: 1.23*10^2 ✡


- - Add a decimal at the end (to the right) and count till you get to the first number.
So now you have 1.23

- - Now you always want to times it by 10 to the power of how many times you moved it over, in this case, 2

Final answer: 1.23*10^2

✡Hope this helps✡


4 0
3 years ago
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