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shtirl [24]
2 years ago
10

Answer the following questions:

Chemistry
2 answers:
Burka [1]2 years ago
4 0

Answer:

the melting point is the factor what what degrees fahrenheit a metal or other solid substance melts. the significance of knowing the melting point can help you determine how long or how hot to burn the tested object while at the same time determining the safety requirements.

Explanation:

Helga [31]2 years ago
3 0
Well the melting point would actually depend on the boiling point and the Fahrenheit and Celsius.
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The level of toxins in solutions

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Fossil fuels

Explanation:

Fossil fuels — natural gas, coal, and petroleum, and — provide most (63 %) of the energy consumed in the United States

The breakdown in 2019 was  

Natural gas 38 %

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3 years ago
Which of the following units would be the most appropriate for measuring the mass of a grain of rice? A. milligrams B. grams C.
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A, milligrams because rice is very small therefore you'd need to use a very small unit of measurement.
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2 years ago
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A Certain gas weighs 60g. IF the relative molecular mass of the gas is 12 what is the volume of the gas?​
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8 0
2 years ago
How many moles moles carbon dioxide gas are there in 11.2 of CO2 at STP?
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Answer:

0.5 moles

Explanation:

At STP,

<u><em>Every 22.4 L of carbon dioxide contains 1 mole of gas.</em></u>

<u><em /></u>

============================================================

Solving :

⇒ 22.4 L : 1 mole

⇒ 22.4 × 0.5 : 1 × 0.5

⇒ 11.2 L : 0.5 moles

3 0
1 year ago
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