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bija089 [108]
3 years ago
7

TRUE FALSE? The MOLE is a unit in Chemistry that serves as a bridge between the ATOMIC and MACROSCOPIC worlds?​

Chemistry
2 answers:
Vanyuwa [196]3 years ago
7 0

Answer:

True

Explanation:

A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

BlackZzzverrR [31]3 years ago
7 0
Trueeeeeeeee!!!!!!!!!!!!
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Use enthalpies of formation to determine the ΔHreaction for the reaction
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Answer:

The enthalpy is increased by the increased heat of the reaction.

Explanation:

In this reaction, as the transition from solid to liquid state, enthalpy increases, that is, the heat applied to change its state is greater and this increases, reaching a mayor disorder.

If the reaction increases its heat, and a liquid state passes, the enthalpy increases, therefore the disorder also and the entropy will also be increased.

5 0
3 years ago
What is the percent by mass of oxygen in carbon dioxide
san4es73 [151]
C = 12
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6 0
3 years ago
The decomposition of ammonia is: 2 NH3(g) ⇌ N2(g) + 3 H2(g). If Kp is 1.5 × 103 at 400°C, what is the partial pressure of ammoni
ValentinkaMS [17]

Answer:

"6.7\times 10^{-4} \ atm" is the right answer.

Explanation:

Given:

Partial pressure of N_2,

= 0.20 atm

Partial pressure of H_2,

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As we know,

⇒ K_p = \frac{pN_2\times pH_2^3}{pNH_3^2}

By putting the values, we get

    1.5\times 10^3=\frac{0.20\times (0.15)^3}{pNH_3^2}

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                    =6.7\times 10^{-4} \ atm

                   

3 0
2 years ago
Please help me with my science thank you!
Tatiana [17]
I cant see it maybe post it again?
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2 years ago
A chemist reported that 100 gallons of a gas were available in a laboratory. Which property of the gas did the chemist report?
Cloud [144]

Answer:

It would be volume

Explanation:

6 0
3 years ago
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