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Sladkaya [172]
4 years ago
12

Match the name of the greenhouse gas with one of the human activities that produces it.

Chemistry
2 answers:
Simora [160]4 years ago
6 0

Answer:

Methane = Production and transport of oil and natural gas

Fluorinated gases = Industrial processes

Nitrous Oxide = Agricultural and industrial activities

Carbon Dioxide = Burning fossil fuels

*You don't have to believe me but...you might get this question wrong if you don't believe me. <3

ss7ja [257]4 years ago
3 0

Answer:

Hope this will help you

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Planck’s constant relates the joules of energy absorbed/released by matter to the ________. atomic number of the element frequen
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5 0
3 years ago
The Nutrition Facts label for crackers states that one serving contains 19 g of carbohydrate, 4 g of fat, and 2 g of protein. Wh
sp2606 [1]

<u>Answer:</u> The amount of kilocalories contained in the given serving of crackes is 0.120 kCal

<u>Explanation:</u>

<u>As per the USDA:</u>

Carbohydrates provide 4 calories per gram, protein provides 4 calories per gram, and fat provides 9 calories per gram

We are given:

Mass of fat in the crackers = 4 g

Mass of carbohydrates in the crackers = 19 g

Mass of protein in the crackers = 2 g

Conversion factor used:  1 kCal = 1000 Cal

Applying unitary method:

  • <u>For Fat:</u>

1 gram of fat provides 9 calories

So, 4 gram of fat will provide = \frac{9}{1}\times 4=36Cal=0.036kCal

  • <u>For Carbohydrates:</u>

1 gram of carbohydrates provides 4 calories

So, 19 gram of carbohydrates will provide = \frac{4}{1}\times 19=76Cal=0.076kCal

  • <u>For Proteins:</u>

1 gram of proteins provides 4 calories

So, 2 gram of fat will provide = \frac{4}{1}\times 2=8Cal=0.008kCal

Total kilocalories per serving = [0.036 + 0.076 + 0.008] kCal = 0.120 kCal

Hence, the amount of kilocalories contained in the given serving of crackes is 0.120 kCal

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3 years ago
By definition, all acids are harmful for human beings. true or false
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Answer:

true

Explanation:

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Carbohydrates and proteins are built up from their basic building blocks by the ________.
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C, to form bonds between each monomers
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