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lidiya [134]
3 years ago
5

Help asap

Chemistry
1 answer:
Mama L [17]3 years ago
5 0
Centimeters!!! Hope that helps!!!
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What two types of matter are closest in<br> density? How do you know?<br> ings.
maks197457 [2]

Answer:

Density: The molecules of a liquid are packed relatively close together. Consequently, liquids are much denser than gases. The density of a liquid is typically about the same as the density of the solid state of the substance.

In a gas, the distance between molecules, whether monatomic or polyatomic, is very large compared with the size of the molecules; thus gases have a low density and are highly compressible. In contrast, the molecules in liquids are very close together, with essentially no empty space between them

I hope it helps you

7 0
3 years ago
How to find limiting reagent
Nookie1986 [14]
The reagent which limits the reaction is called limiting reagents.

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For example:- N2+3H2gives 2NH3.so here nitrogen limits the reaction.

3 0
3 years ago
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Above is a solubility curve for KNO3.
Andrei [34K]

Answer:

Hey did u get the answer I need ?!

Explanation:

8 0
2 years ago
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Please help me with this question it's due in like 3hours from now
saw5 [17]

237kj mole for both.....




4 0
3 years ago
The normal boiling point of methanol is 64.7 ∘ C and the molar enthalpy of vaporization is 71.8kJ/mol . The value of ΔS when 1.3
guapka [62]

Answer:

286 J/K

Explanation:

The molar Gibbs free energy for the vaporization (ΔGvap) is:

ΔGvap = ΔHvap - T.ΔSvap

where,

ΔHvap: molar enthalpy of vaporization

T: absolute temperature

ΔSvap: molar entropy of the vaporization

When T = Tb = 64.7 °C = 337.9 K, the reaction is at equilibrium and ΔGvap = 0.

ΔHvap - Tb . ΔSvap = 0

ΔSvap = ΔHvap/Tb = (71.8 × 10³ J/K.mol)/ 337.9 K = 212 J/K.mol

When 1.35 mol of methanol vaporizes, the change in the entropy is:

1.35mol.\frac{212J}{K.mol} =286 J/K

7 0
3 years ago
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