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DENIUS [597]
3 years ago
9

I. Loosening of immigration policies

Chemistry
1 answer:
hoa [83]3 years ago
5 0

Answer:

I think it is III I hope this helps

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What molecule is responsible for chemical digestion.
padilas [110]

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Amylase.

Explanation:

The process of digestion begin to start in mouth when food mix with saliva. An enzyme is released which is called Amylase help in digestion of carbohydrates.

8 0
3 years ago
What is the Na+ concentration in each of the following solutions:
iren [92.7K]

Sodium Sulfate = Na2(SO4) meaning there are two ions of Na+ in one mole of Sodium Sulfate the M stands for Molarity, defined as Molarity = (moles of solute)/(Liters of solution), So if the Na2SO4 solution is 3.65M that means one Liter of has 3.65 moles of Na2SO4, the stoichiometry of Na2SO4 shows that there would be two Na+ ions in solution for every one Na2SO4.

Therefore if 3.65 moles of Na2SO4 was to dissolve, it would produce 7.3 moles of Na+, and since this is still a theoretical solution, we can assume 1 L of solution.

Finally we find [Na+] = 2*3.65 = 7.3M

Use the same logic for parts b and c




5 0
3 years ago
The unit cm3 is used to express
sergij07 [2.7K]
It expresses a cube using cm
3 0
3 years ago
Why is it useful to know the background level of extinction?
lawyer [7]

Answer:

NOAA and FWS are required by law to compare background rates to current rates.

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5 0
3 years ago
What is the atomic number of an atom?
ludmilkaskok [199]

Answer: The number of protons

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4 0
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