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s344n2d4d5 [400]
2 years ago
11

I need help on my chemistry quiz

Chemistry
1 answer:
slamgirl [31]2 years ago
4 0

Answer:

it could be 25degrees c... not sure

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128.3 grams of methane (CH4) is equal to how many moles of methane
Neko [114]
About 8.0 moles of methane.Number of moles = MassMolar mass.

And thus we get the quotient:

128.3⋅g16.04⋅g⋅mol−1=8.0⋅moles of methane.

Note that the expression is dimensionally consistent, we wanted an answer in moles, and the quotients gives, 1mol−1=11mol=mol as required.

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3 years ago
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Explain the difference between the organism, population, and community levels of ecological organization
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Answer:

A population is a group of organisms belonging to the same species that live in the same area and interact with one another.

Explanation:

Levels of Ecological Organization

Level # 2. Population:

Level # 3. Community:

Level # 4. Ecosystem:

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If the temperature changes in a chemical reaction, what has occurred?
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A reaction has happened
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True or false A revoked license can be renewed after 10 days
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Answer: False

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Depending on the situation it can be shorter or longer than 10 days

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John Dalton believed that:
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Its 100% B. my dude because the atomic theory doesn't state anything else

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