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Neko [114]
3 years ago
7

What physical property difference enabled you to Seperate salt from water?

Chemistry
2 answers:
coldgirl [10]3 years ago
7 0
Warm it up so salt can dissolve
elena55 [62]3 years ago
5 0
<span>The two techniques for separating an insoluble solid from a liquid are filtration and centrifuging. Filtration relies on the fact that the solid particles are smaller than the filter paper pores which allow the tiny molecules of liquid to pass through. With solids which dissolve in a liquid solvent, evaporation is commonly used to recover the solid and distillation is used to recover the solvent.</span>
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When a cold front passes, the air temperature should begin to rise true or false?
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False the opposite should happen!
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3 years ago
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Will mark brainliest​
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A drought is best defined as
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3 years ago
4. Which atomic particles are found inside the nucleus of an atom?
grin007 [14]

Answer:

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Explanation:

6 0
4 years ago
What is the half-life of A? What will the pressure, initially 32.1 kPa, at
kodGreya [7K]

Answer:

a) 32.09 kPa

b) 32.09 kPa

Explanation:

Given data:

rate constant = 3.56\times 10^{-7} s^{-1}

initial pressure is = 32.1 kPa

half life of A is calculated as

t_{1/2} = \frac{ln 2}{k}

t_{1/2} = \frac{ln 2}{3.56\time 10^{-7}}

t_{1/2} = = 1.956 \times 10^6 s

for calculating pressure we have follwing expression

ln p = ln P_o - kt

P =P_o e^{-kt}

a) P = 32.1 e^{-3.56\times 10^{-7} \times 10} = 32.09 kPa

b) P = 32.1 e^{-3.56\times 10^{-7} \times 10\times 60} = 32.09 kPa

5 0
3 years ago
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