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11Alexandr11 [23.1K]
3 years ago
12

7. Which word BEST describes symbiosis?

Chemistry
1 answer:
Nikitich [7]3 years ago
6 0

Answer:

d.

Explanation:

po ata d ako sure sorry

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Is this an alpha or beta decay?
4vir4ik [10]

Answer:

alpha  decay

Explanation:

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3 years ago
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What are the products of the complete combustion of a hydrocarbon in excess oxygen
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The products for the complete combustion of a hydrocarbon in excess air is carbon dioxide and water. Any hydrocarbon when reacted with oxygen will always yield the said products. Incomplete combustion, on the other hand, yields carbon monoxide and water.
4 0
3 years ago
A solution contains 3.95 g of carbon disulfide (CS2, molar mass = 76.13 g/mol) and 2.43 g of acetone ((CH3)2CO, molar mass = 58.
Feliz [49]

Answer:

The solution is not ideal and shows a positive deviation from Raoult’s law since Psolution (experimental) > Psolution (actual).

Explanation:

Number of moles of CS2 = 3.95g/76.13gmol-1 = 0.0519 moles

Number of moles of acetone = 2.43g/58.08gmol-1 = 0.0418 moles

Total number of moles = 0.0937 moles

Mole fraction of CS2 = 0.0519/0.0937 = 0.5538

Mole fraction of acetone = 0.0418/0.0937 = 0.4461

From Raoult’s law;

PCS2 = 0.5538 × 515 torr = 285.207 torr

Pacetone = 0.4461 × 332 torr = 148.1052 torr

Total pressure = 285.207 torr + 148.1052 torr = 433.3 torr

6 0
3 years ago
Help me now plssssssss i will give brainliest!!!!!!!!!!!!!!!!!!!!!!!
yanalaym [24]

Answer:

products are copper and aluminium chloride

reactants are aluminium and copper chloride

Explanation:

products are formed at the end of a reaction

reactants are what's reacting to form the products ie the things at the start of the equation

4 0
3 years ago
Please help me out with this question if you help me I will give you the brain thing and extra points. 8/9 image below.
Nataly [62]

Answer:

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Explanation:

.....

7 0
3 years ago
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