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lana [24]
3 years ago
12

Particles in liquid and in gas show random mottion why​

Chemistry
1 answer:
Marina CMI [18]3 years ago
3 0

Answer:

Particles in both liquids and gases (collectively called fluids) move randomly. ... They do this because they are bombarded by the other moving particles in the fluid. Larger particles can be moved by light, fast-moving molecules.

Explanation:

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The actual yield of a product in a reaction was measured as 1.20 g. If the theoretical yield of the product for the reaction is
Nimfa-mama [501]

Answer:

The answer to your question is letter A. 65.9%

Explanation:

Data

actual yield = 1.20 g

theoretical yield = 1.82 g

Formula

percentage yield = \frac{actual yield}{theoretical yield} x 100

Substitution

percentage yield = \frac{1.20}{1.82} x 100

Simplification and result

percentage yield = 0.6593 x 100

percentage yield = 65.9 %

7 0
4 years ago
A student tested a sample of carbon (C) by combining it with water. There was no reaction between the carbon and water. The stud
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I disagree. Carbon is not a group 18 element. This is incorrect because elements closer to the top of the group are less reactive than those at the bottom of the group. Group 18 elements are noble gases and carbon, a group 14 element, is a non metal.
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4 years ago
In the reaction below, 22 g of H2S with excess
BartSMP [9]

Answer:

24%

Explanation:

From the question, the limiting reactant is H2S.

The reaction equation is;

2H2S + O2 → 2S + 2H2O

Number of moles of H2S reacted = 22g/34 g/mol = 0.647 moles

According to the reaction equation;

2 moles of H2S yields 2 moles of sulphur

0.647 moles of H2S yields 0.647 moles of sulphur

So;

Theoretical yield of sulphur = 0.647 moles * 32 g/mol = 20.7 g

Actual yield = 5 g

% yield = actual yield/theoretical yield * 100

% yield =5 g/20.7 g * 100

% yield = 24%

7 0
3 years ago
Who uses petroleum and for what purpose?
FinnZ [79.3K]

Answer:

today, petroleum is mostly used as a source of energy, being rich in combustible carbon in the production of electricity or running some sorts of heat engines. ... Raw petroleum (also known as crude oil) is used in three major ways: Transportation, Electricity Generation, and Material Production.

Explanation:

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