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Rudiy27
3 years ago
13

How do chemical equations demonstrate conservation of mass

Chemistry
1 answer:
PilotLPTM [1.2K]3 years ago
4 0

Answer:

In every chemical reaction, the same mass of matter must end up in the products as started in the reactants.

Explanation:

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A Sample Of Oxygen Gas Is Collected Over Water At 22°C And 98.67 KPa Pressure. If The Partial Pressure Of The Water Is 2.67 KPa,
Gwar [14]

Answer:

  • <em>The partial pressure of the oxygen gas is </em><u>96.00 KPa</u>

Explanation:

The law of partial pressures states that, in a mixture of gases, the total pressure of the mixture is equal to the sum of the individual pressures of each gas, as if each gas were alone in the mixture.

So:

  • Total pressure = ∑ individual pressures

  • Total pressure = Partial pressure of the water + Partial pressure of oxygen

  • 98.67 KPa = 2.67 KPa + Partial pressure of oxygen

  • Partial pressure of oxygen = 98.67 KPa - 2.67 KPa

  • Partial pressure of oxygen = 96.00 KPa ← answer
4 0
4 years ago
Why do you move the .0100 - x to the left side of the equal sign?
dlinn [17]
Because negatives are on the left and positives are on the right , if it was .0100 +x it would move to the right since +x implies that the x is positive.
5 0
4 years ago
How do you balance this?
ad-work [718]
Weigh them both and there you go
8 0
3 years ago
What is the atomic mass of X ? Formula of the compound is XO3? Also identify the element X ? The molecular mass of XO3 is 80? (
djyliett [7]

Answer:

Explanation:

XO3

X + 3x16 = 80

x= 32  atomic mass for sulfur

SO3

6 0
3 years ago
Compared to the mass and the penetrating power of an alpha particle, a beta particle has(1) less mass and greater penetrating po
seropon [69]

Answer is (1) - less mass and greater penetrating power.


Alpha particle is a ₂⁴He nucleus while beta particles are electrons. Hence, the mass of alpha particle is greater than the mass of beta particle. But, the penetrating power is higher in beta particle than alpha particle. Alpha particles can be blocked by few papers but beta particles can go through those papers.

8 0
3 years ago
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