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Tpy6a [65]
3 years ago
11

WILL MARK BRAINLEISTTTT

Chemistry
2 answers:
hram777 [196]3 years ago
6 0

a CUCO3(s) + ( I don't have the symbol on my phone ) delta CUo(s) + CO2(g)

b NH4NO3➡️ HNo3 + H2O

c. Ba(OH)2+CO2 ➡️ BaCO3+H20

d Na +H20 ➡️NaOH +h2

Explanation:

I think this should be it , I think that 8s the symbol for hydrogen gas if its not correct I'm sorry

notka56 [123]3 years ago
4 0

Answer:

jkrifhcuhixjck

gvudd

Explanation:

dugucdsorfooggigj

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A kno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?
Gre4nikov [31]

Answer:

As, the temperature decreased from 40.0 °C to 0.0 °C an amount will be recrystallized and precipitated as solid crystals in the water (51.0 g - 14.0 g = 37.0 g) and 14.0 g will be dissolved in water.

Explanation:

  • Firstly, we must mention that:

The solubility of KNO₃ per 100.0 g of water at 40.0 °C = 63.0 g.

The solubility of KNO₃ per 100.0 g of water at 0.0 °C = 14.0 g.

  • So, at 40.0 °C, 51.0 g of KNO₃ will be completely dissolved in water.
  • <em>As, the temperature decreased from 40.0 °C to 0.0 °C an amount will be recrystallized and precipitated as solid crystals in the water (51.0 g - 14.0 g = 37.0 g) and 14.0 g will be dissolved in water.</em>
5 0
3 years ago
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