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Svetlanka [38]
3 years ago
12

What are the 3 principles of the Kinetic molecular theory?

Chemistry
2 answers:
Sever21 [200]3 years ago
6 0

Answer:

u already know the answer

Explanation:answer

olchik [2.2K]3 years ago
5 0
1. All matter is made up of particles that are in motion
2. The speed of the particles are depends on the temperature
3. The amount of kinetic energy between colliding particles are constant
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21 Given the following acid dissociation constants, which acid has the strongest conjugate base?
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The correct answer is HCN.
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A. Convert the following Fahrenheit temperatures to Celsius (you may use a calculator):
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Some scientists believe that comets originate from the...​
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Answer:

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Hope this helps! :)

Explanation:

3 0
3 years ago
A solution of HNO3HNO3 is standardized by reaction with pure sodium carbonate. 2H++Na2CO3⟶2Na++H2O+CO2 2H++Na2CO3⟶2Na++H2O+CO2 A
Gemiola [76]

Answer:

(0,653±0,002) M of HNO₃

Explanation:

The reaction of standarization of HNO₃ with Na₂CO₃ is:

2 HNO₃ + Na₂CO₃ ⇒ 2 Na⁺ + H₂O + CO₂ + 2NO₃⁻

To obtain molarity of HNO₃ we need to know both moles and volume of this acid. The volume is (27,71±0,05) mL and to calculate the moles it is necessary to obtain the Na₂CO₃ moles and then convert these to HNO₃ moles, thus:

0,9585 g of Na₂CO₃ × ( 1 mole / 105,988 g) =

9,043×10⁻³ mol Na₂CO₃ × ( 2 moles of HNO₃ / 1 mole of Na₂CO₃) = 1,809×10⁻² moles of HNO₃

Molarity is moles divide liters, thus, molarity of HNO₃ is:

1,809×10⁻² moles / 0,02771 L = 0,6527 M of HNO₃

The absolute uncertainty of multiplication is the sum of relative uncertainty, thus:

ΔM = 0,6527M× (0,0007/0,9585 + 0,001/105,988 + 0,05/27,71) =

0,6527 M× 2,54×10⁻³ = 1,7×10⁻³ M

Thus, molarity of HNO₃ solution and its absolute uncertainty is:

(0,653±0,002) M of HNO₃

I hope it helps!

5 0
3 years ago
HELP! help will give brainiest
ivolga24 [154]
I believe it’s Fatigue
6 0
2 years ago
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