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Stolb23 [73]
3 years ago
7

What is the specific latent heat of fusion for a substance that takes 550 kJ to melt 14 kg at 262 K?

Chemistry
1 answer:
Ray Of Light [21]3 years ago
3 0

Answer:

The answer is A

Explanation:

hope it helps

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What mass of sodium hydroxide is needed to neutralise 24.5kg of sulfuric acid <br> H2SO4 + N2 = 2NH3
sveticcg [70]

Answer:

23.92 g

Explanation:

Molar mass of H2SO4 = (2×1)+32+(16×4)= 2+32+48= 82g/mol

H2SO4 + 2NaOH ---> Na2SO4 + 2H2O

I mole of H2SO4 = 2 moles of NaOH

24.5/82 = 24.5/82 × 2

= 0.598 moles of NaOH will neutralize

Mass= mole× molar mass

Molar mass of NaOH= 23+16+1 = 40g/mol

Mass= 0.598 × 40 = 23.92g of NaOH

7 0
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How many milliliters of 2.00 M H2SO4 will react with 28.0 g of NaOH?
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Las moléculas de los reactivos tienen que chocar entre sí. Estos choques deben de producirse con energía suficiente de forma que se puedan romper y formar enlaces químicos. En el choque debe haber una orientación adecuada para que los enlaces que se tienen que romper y formar estén a una distancia y posición viable.

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A substance made up of only one type of atom would be a
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