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boyakko [2]
2 years ago
5

Which sample is a pure substance?zinc oxidesugar dissolved in waterpond watersoil.

Chemistry
1 answer:
AnnZ [28]2 years ago
6 0

Answer:

Oxide sugar dissolved in water pond

because water + sugar= sugar melts but the oxide purifys the water.

Explanation:

<u><em>#carryonlearning!</em></u>

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If 3 g of element C combine with 8 g of element D to form compound CD, how many grams of D are needed to form compound CD2?
bija089 [108]
<span>For the answer to the question above,
If 3g of element combines with 8g of D to form CD it means
1 mole of C = 3g
1 mole of D = 8g
hence it forms CD.
So to form CD2 you need 16g of element D
I hope my answer helped you</span>
8 0
3 years ago
What does the author predict about the future of the Earth's mantle? Do you support his educated guess? Use complete sentences t
Masja [62]

The earth's mantle will not change in the future because this region is safe from the intervention of human beings.

<h3>What happens in the Earth's mantle?</h3>

The transfer of heat and material in the mantle helps us to determine the landscape of Earth. Activity in the mantle moves the plate tectonics, that contributes to volcanoes, seafloor spreading, earthquakes, and building of mountains.

So we can conclude that the earth's mantle will not change in the future because this region is safe from the intervention of human beings.

Learn more about mantle here: brainly.com/question/349072

#SPJ1

7 0
2 years ago
Materials that conduct heat and electricity well in the solid state result when: 1. metals bond with metals 2. any type of eleme
Andre45 [30]
Answer: Metals bond with metals.  
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7 0
3 years ago
Someone help with this please
Tju [1.3M]
To me I think if the number of snakes increased, the number of rabbits decreases. Hope u got it correct ; )
3 0
3 years ago
How would the addition of protons affect the concentration of CH3COOH? How would the addition of OH– affect the amount of CH3COO
Deffense [45]

Answer:

1) increase concentration

2) decrease the amount

3) decrease the concentration

4) it would increase

Explanation: edge 2021

8 0
3 years ago
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