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rjkz [21]
3 years ago
9

Arrange steps in order to describe what happens to a gas when it is cooled

Chemistry
1 answer:
AnnZ [28]3 years ago
3 0

A) Particles of gas move slower.

B) Gas changes to liquid.

C) The gas loses thermal energy.

D) Gas particles decrease.

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Correction?
rjkz [21]
Your answer is correct.

MgO(s) + H2O(l) ----> Mg(OH)2(aq)

:-) ;-)
5 0
3 years ago
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4.The scientific method is ________________ reasoning. You can make ______________ explanations for something that you are obser
Novay_Z [31]

Answer:

The scientific method is a system of reasoning. You can make reasonable explanations for something that you are observing in the world.

Explanation:

4 0
3 years ago
If I need 2.2 moles of CO2 , and I have excess Fe2O3 , how many moles of C do I need?
olchik [2.2K]

Answer:

0.733 mol.

Explanation:

  • From the balanced equation:

<em>2Fe₂O₃ + C → Fe + 3CO₂,</em>

It is clear that 1.0 moles of Fe₂O₃  react with 1.0 mole of C to produce 1.0 mole of Fe and 3.0 moles of CO₂.

  • Since Fe₂O₃ is in excess, C will be the limiting reactant.

<u><em>Using cross multiplication:</em></u>

1.0 mole of C produces → 3.0 moles of CO₂, from the stichiometry.

??? mole of C produces → 2.2 moles of CO₂.

∴ The no. of moles of C needed to produce 2.2 moles of CO₂ = (1.0 mole of C) (2.2 mole of CO₂) / (3.0 mole of CO₂) = 0.733 mol.

6 0
3 years ago
What are the products of photosynthesis? A: C6H12O6 + 6H2O + 6O2 B: C6H12O6 + 3O2 + 6H2O C: C6H12O6 + 3O2 + 3H2O D: C3H6O3 + 6O2
erik [133]
A: C₆H₁₂O₆ + 6H₂O + 6O₂

6CO₂ + 12H₂O = C₆H₁₂O₆ + 6H₂O + 6O₂
8 0
3 years ago
Read 2 more answers
Draw the structure of bromous acid, hbro2. optimize formal charges.
ArbitrLikvidat [17]

STRUCTURE OF BROMOUS ACID: H–O–Br=O

<span>In this structure, all the elements have a formal charge of zero. The formal charge of each element is calculated below: </span><span>

H: 1 – 1/2(2) – 0 = 0
O: 6 – 1/2(4) – 4 = 0
Br: 7 – 1/2(6) – 4 = 0
<span>O: 6 – 1/2(4) – 4 = 0</span></span>

8 0
3 years ago
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