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Irina18 [472]
2 years ago
13

Ca --> CaO --> CaCO3 --> CO2

Chemistry
1 answer:
babunello [35]2 years ago
5 0

Answer:

calcium to give calcium oxide to give calcium trioxocabonate (limestone) to give carbondioxide

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alexandr1967 [171]

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A vascular plant is any one of a number of plants with specialized vascular tissue. The two types of vascular tissue, xylem and phloem, are responsible for moving water, minerals, and the products of photosynthesis throughout the plant.

Explanation:

7 0
3 years ago
When Earth’s axis points away from the sun, the _________ Hemisphere has the longer days of summer.
Llana [10]

Answer: northern hemisphere

Explanation: I looked it up. Plus I took a test with this question and when the teacher went over the answer i got it right.

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2 years ago
Calculate the percent activity of the radioactive isotope strontium-89 remaining after 5 half-lives.
maria [59]
The answer to this question would be: 3.125%

Half-life is the time needed for a radioactive molecule to decay half of its mass. In this case, the strontium-89 is already gone past 5 half lives. Then, the percentage of the mass left after 5 half-lives should be:
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2 years ago
If a substance melts at 20oC, what is its freezing point?
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4 0
3 years ago
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sergeinik [125]

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