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givi [52]
3 years ago
15

What determines how large each population can grow

Chemistry
2 answers:
lana66690 [7]3 years ago
8 0

Answer:

laws

Explanation:

in some areas and countries there is a limit on how many children someone can have, this would clearly regulate population growth.

hope I helped ;)

jarptica [38.1K]3 years ago
7 0
I think The answer is laws
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1. Analysis of an unknown substance formerly used in rocket fuel reveals a composition of 93.28% nitrogen and 6.72% hydrogen by
Nitella [24]

Answer:

The formula of the compound is:

N2H2

Explanation:

Data obtained from the question:

Nitrogen (N) = 93.28%

Hydrogen (H) = 6.72%

Next, we shall determine the empirical formula for the unknown compound. This is illustrated below:

N = 93.28%

H = 6.72%

Divide by their molar mass

N = 93.28 /14 = 6.663

H = 6.72 /1 = 6.7

Divide by the smallest

N = 6.663 / 6.663 = 1

H = 6.72 /6.663 = 1

Therefore, the empirical formula is NH.

Now, we can obtain the formula of the compound as follow:

The formula of a compound is simply a multiple of the empirical formula.

[NH]n = 30.04

[14 + 1]n = 30.04

15n = 30.04

Divide both side by 15

n = 30.04/15

n = 2

Therefore, the formula of the compound is:

[NH]n => [NH]2 => N2H2

6 0
3 years ago
NH3
soldier1979 [14.2K]

Answer:

First one is: ammonia

Second one is: calcium hydroxide

Explanation:

4 0
3 years ago
A boy of mass 60 kg and a girl of mass 40 kg are together and at rest on a frozen pond. What is the initial momentum of the boy?
Marianna [84]

The initial momentum of the boy is 0 kgm/s the right option is A. 0 kgm/s.

<h3>What is momentum?</h3>

Momentum can be defined as the product of mass and velocity. The S.I unit of momentum is kgm/s.

The initial momentum of the boy can be calculated using the formula below.

Formula:

  • M' = mu

Where:

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From the question,

Given:

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  • U = Initial velocity of the boy = 0 m/s (at rest)

Substitute these values into equation 1

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Hence, The initial momentum of the boy is 0 kgm/s the right option is A. 0 kgm/s.
Learn more about momentum here: brainly.com/question/7538238

8 0
2 years ago
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Lady_Fox [76]
Bleach would increase the pH because Bleach is a basic substance with a pH of about 12

Soda would lower the pH because the pH of sodas is somewhere around 2.5 (this is for coke, other sodas are a bit different)
8 0
3 years ago
Is the electronegativity of argon greater than sodium?
mixas84 [53]
Electronegativity refers to the ability of an atom to attract shared electrons in a covalent bond. The higher the value of the electronegativity, the more strongly that element attracts the shared electrons.
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