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Kitty [74]
2 years ago
11

Which is an example of a bioresource used to build a home?

Chemistry
1 answer:
lutik1710 [3]2 years ago
4 0
The answer should be A.
Hope this helps :-)
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Earth's axis is tilted. Tell what would happen if it was vertical instead.
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I think the like term is 6 hope this is right
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How was island hopping a change in strategy for the us military?
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Compared to an atom of C-12, an atom of C-14 has
KonstantinChe [14]

Explanation:

Carbon-12 atoms have stable nuclei because of the 1:1 ratio of protons and neutrons.

Carbon-14 atoms have nuclei which are unstable. C-14 atoms will undergo alpha decay and produce atoms of N-14. Carbon-14 dating can be used to determine the age of artifacts which are not more than 50,000 years old.

8 0
3 years ago
Enough of a monoprotic weak acid is dissolved in water to produce a 0.0118 M solution. The pH of the resulting solution is 2.32
ser-zykov [4K]

Answer:

1.94 × 10⁻³

Explanation:

Step 1: Calculate the concentration of H⁺ ions

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pH = -log [H⁺]

[H⁺] = antilog -pH = antilog -2.32 = 4.79 × 10⁻³ M

Step 2: Calculate the acid dissociation constant (Ka) of the acid

For a monoprotic weak acid, whose concentration (Ca) is 0.0118 M, we can use the following expression.

Ka = [H⁺]²/Ca

Ka = (4.79 × 10⁻³)²/0.0118 = 1.94 × 10⁻³

4 0
3 years ago
The half-life of radon-222 is 3.8 days. How many grams of radon-222 remain
Ne4ueva [31]
I think it’s B but not 100% sure
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