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Irina-Kira [14]
3 years ago
8

How does convection heat the air?

Chemistry
1 answer:
LuckyWell [14K]3 years ago
8 0
Because in a convection cycle heat rises and the cooler air sinks, more heat will be in the air than at the bottom.
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How many grams of SO3 can be produced if 3.3 moles of O2 reacts?
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17.7 I think


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3 years ago
Mrs. Stark weighs 70kg. How much Potential Energy does she have if she stands on the roof of an 80m tall building?
8_murik_8 [283]
E = mgh

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5 0
3 years ago
N2(g) + 3H2(g) →2NH3(g)
monitta

Answer:

2.5 moles of N₂ and 7.5 moles of H₂ entered the reaction

Explanation:

In reaction:

N₂(g) + 3 H₂(g) → 2 NH₃(g)

You can see that the stoichiometry of the reaction (that is, the relationship between the amount of reagents and products in a chemical reaction) requires the following amounts of reagents and are produced:

  • N₂: 1 mole
  • H₂: 3 moles
  • NH₃: 2 moles

The following three rules can apply:

  • If 2 moles of NH₃ are produced from 1 mole of N₂ by stoichiometry of the reaction, 5 moles of NH₃ from how many moles of N₂ are produced?

moles of N_{2} =\frac{5 moles of NH_{3} *1 mole of N_{2} }{2 moles of NH_{3}}

moles of N₂= 2.5

  • If 2 moles of NH₃ are produced from 3 moles of H₂ by stoichiometry of the reaction, 5 moles of NH₃ from how many moles of H₂ are produced?

moles of H_{2} =\frac{5 moles of NH_{3} *3 mole of H_{2} }{2 moles of NH_{3}}

moles of H₂= 7.5

<u><em>2.5 moles of N₂ and 7.5 moles of H₂ entered the reaction</em></u>

6 0
3 years ago
Please help quickly as possible thank you :) ​
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When an object/liquid/food etc contains hot energy, the heat particles are moving around causing the heat. 8ounces of soup would cool off faster, because there is less liquid for the heat particles to be in, there for less heat particles, therefore cooling off faster. Pls give Brainliest, and good luck!
8 0
3 years ago
Read 2 more answers
Choose the correct setup for calculating the mass
expeople1 [14]

Answer : A

Explanation:

Answer A is correct I just did the assignment.

5 0
4 years ago
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