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Alex
3 years ago
15

Pllllllllzzzz help I really need it

Chemistry
1 answer:
Oksana_A [137]3 years ago
5 0
Solid to gas sublimation
Gas to solid deposition 
Liquid to gas Evaporation
Gas to liquid Condensation 
Liquid to Solid Freezing 
Solid to liquid Melting

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Whenever energy is converted from one form to another, some of that energy is lost by being changed into heat.
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Burning coal releases the following pollutants except
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An element X combines with oxygen to form a compound of formula XO2. If 24.0 grams of element X combines with exactly 16.0 grams
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atomic mass of X is 48.0 amu

Explanation:

Let y be the atomic mass of X

Molar mass of O_2 is = 2×16 = 32 g / mol

X + O2 -----> XO_2

According to the equation ,

y g of X reacts with 32 g of O_2

24 g of X reacts with Z g of O_2

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But given that 24.0 g of X exactly reacts with 16.0 g of O_2

So Z = 16.0

⇒ (32×24) / y = 16.0

⇒ y = (32×24) / 16

y= 48.0

So atomic mass of X is 48.0 amu

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3 years ago
Which of the following best describes the solar radiation absorbed by and radiated from earth?
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the answer that you are looking for is d

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A Snickers bar contains 27.0 g of sugars (carbohydrates), 4.0 g of protein and 12.0 g of fat. How many food calories (Cal) are c
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Answer:

There are 232 calories in the bar

Explanation:

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2 years ago
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