3 years ago

Name for temperature for freezing

Chemistry

1 answer:

Debora [2.8K]3 years ago

5 0

For water to freeze it would need to be 32 degrees Fahrenheit or 0 degrees Celsius.

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What is the molarity of 20.2 g of potassium nitrate, KNO3, in enough water to make 250.0 mL of solution

KATRIN_1 [288]

Answer:

0.8M

Explanation:

CM=n/V

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3 years ago

Number of moles in 31.99g O2 <br> And 176.8g NaCl

sergey [27]

#O_2

$\\ \sf\longmapsto No\:of\;moles=\dfrac{Given\:mass}{Molar\:mass}$

$\\ \sf\longmapsto No\:of\:moles=\dfrac{31.99}{32}$

$\\ \sf\longmapsto No\:of\:moles\approx 1$

#NaCl

$\\ \sf\longmapsto No\:of\:moles=\dfrac{176.8}{58.5}$

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2 years ago

What percent of AgNO3 is silver?

Inga [223]

Answer:

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Explanation:

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3 years ago

Some safety precautions people should take when using fireworks

Lilit [14]

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3 years ago

< please help!!! >

svlad2 [7]

Answer:

n = 0.573mol

Explanation:

PV = nRT => n = PV/RT

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n = (1.5atm)(8.56L)/(0.08206Latm/molK)(273K) = 0.573mol

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3 years ago