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Monica [59]
3 years ago
6

Which physical method can be used for obtaining a sample of solid from a small beaker of salt water?

Chemistry
2 answers:
Makovka662 [10]3 years ago
6 0
I believe that the answer is B 100% sure

SOVA2 [1]3 years ago
3 0
Evaporation.  People have been doing that since ancient times to get salt from sea water.
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Fill in the blank with the correct word pair: The heart exchanges blood that is oxygen _______ with blood that is oxygen _______
devlian [24]

Answer:

The second one - rich/poor

Explanation:

However it would be in reverse order so when filling in the blank, poor would come first then rich

but if you are not able to change it then you can just leave it like that.

I hope this helped☺

4 0
3 years ago
List the six layers of the sun, in order, starting with the core.
Tems11 [23]
Core, radiative zone, convection zone, photosphere, chromosphere, corona. 
7 0
3 years ago
Read 2 more answers
Properties of covalent compounds include: (More than 1 may be selected)
denpristay [2]

Answer:

E

C eg In graphites and diamonds

5 0
4 years ago
The value of AH° for the reaction below is +128.1 kJ CH3OH (I)-CO (g) + 2H2 (g) How much heat is consumed when 87.1 g of hydroge
natka813 [3]

Answer:

A) 2.76 x 103 kJ

Explanation:

CH3OH (I)--------->CO (g) + 2H2 (g)

Number of moles contained in 87.1g of hydrogen gas= mass of hydrogen gas/ molar mass of hydrogen gas

Molar mass of hydrogen gas= 2gmol-1

Number of moles hydrogen gas = 87.1g/2gmol-1= 43.55 moles of hydrogen

1 mole of methanol yields 2 moles of hydrogen

x moles of methanol yields 43.55 moles of hydrogen

x= 43.55 moles of hydrogen × 1 mole of methanol/2 moles of hydrogen

x= 21.775 moles of methanol

Then;

If 1 mole of methanol absorbs 128KJ of energy

21.775 moles of methanol will absorb 21.775 × 128/1 = 2.7×10^3 KJ of heat

6 0
3 years ago
What is 1.0 x 10^4 L in nL?
Vlada [557]

Answer:

= 10000000000000 Nanoliters

Explanation:

1.0 x (10^4) L =

10 000 L

10 000L converted into Nanoliters

= 10000000000000 Nanoliters

Hope this helps

6 0
3 years ago
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