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aliya0001 [1]
2 years ago
7

Remember this quote?!

Chemistry
1 answer:
muminat2 years ago
8 0

Answer:

Yes

Explanation:

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How many moles are in 1.2x10^3 grams of ammonia(NH3) ?
miskamm [114]

Answer : The number of moles present in ammonia is, 70.459 moles.

Solution : Given,

Mass of ammonia = 1.2\times 10^3g

Molar mass of ammonia = 17.031 g/mole

Formula used :

\text{Moles of }NH_3=\frac{\text{ given mass of }NH_3}{\text{ molar mass of }NH_3}

\text{Moles of }NH_3=\frac{1.2\times 10^3g}{17.031g/mole}=70.459moles

Therefore, the number of moles present in ammonia is, 70.459 moles.

5 0
3 years ago
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Elements on the periodic table are arranged by increasing ?
Galina-37 [17]
They are arranged by their atomic mass.
5 0
3 years ago
Does the tempurture of the vinegar affect the volcano flow
aleksandr82 [10.1K]
The temperature of vinegar does increase the rate of reaction according to the collision theory.

Hope this answers your question!


6 0
2 years ago
g The reaction; 4 Ag(s) + O2(g) ----> 2 Ag2O(s), is exothermic. Which statement about the reaction is correct? (A) It is spon
melomori [17]

Answer:

The correct answer is B. It is spontaneous only at low temperatures.

Explanation:

In thermodynamics, the Gibbs free energy is a thermodynamic potential that can be used to calculate the maximum of reversible work that may be performed by a thermodynamic system at a constant temperature and pressure.

The spontaneity of a reaction is given by the equation:

ΔG = ΔH - TΔS

where:

ΔH: enthalpy variation

T: absolute temperature

ΔS: entropy variation

As the reaction is exothermic, ΔH<0

As the reaction order increases (the reagents are solid and gas and their product is solid), ΔS<0

Therefore, the reaction will be spontaneous when ΔG is negative.

ΔG = ΔH - TΔS

That is, the entropy term must be smaller than the enthalpy term.

Hence, the reaction will be spontaneous only at low temperatures.

4 0
2 years ago
Which kind of energy does an object have because of its height above Earth's
jonny [76]

Answer:

C po

Explanation:

baka po pero pwd din ang B pero ok ang C

3 0
2 years ago
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