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Kamila [148]
3 years ago
12

What two conditions must be present for osmosis to occur?

Chemistry
1 answer:
siniylev [52]3 years ago
7 0

Answer:

the answer is B

Explanation:

the answer is B

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HELP PLS.. I’LL MARK U BRAINLIEST!
lakkis [162]

Old and inefficient mining smokestacks contaminate the soil around abandoned mine sites.

<h3>What are mines?</h3>

A mine is an area from which natural resources are extracted such as coal, metals, etc. A mine is known to be the source of many heavy metals as well as acid.

As such the statement that does not represent the impact of mining services is that; "Old and inefficient mining smokestacks contaminate the soil around abandoned mine sites".

Learn more about mine sites:brainly.com/question/25875677

#SPJ1

3 0
1 year ago
1. Convert 67500 mg to the unit hg
Mice21 [21]

Answer:

0.675

Explanation:

4 0
3 years ago
What would barium do to obtain a noble gas structure? gain 2 electrons lose 2 electrons gain 6 electrons lose 6 electrons
Tema [17]

Answer:

Lose two electrons.

Explanation:

Barium is present in group 2.

It is alkaline earth metal.

Its atomic number is 56.

Its electronic configuration is Ba₅₆ = [Xe] 6s².

In order to attain the noble gas electronic configuration it must loses its two valance electrons.

When barium loses it two electron its electronic configuration will equal to the Xenon.

The atomic number of xenon is 54 so barium must loses two electrons to becomes equal to the xenon.

4 0
3 years ago
you find that 7.36g of a compound has decomposed to give 6.93g of oxygen. the only other element in the compound is hydrogen. if
slavikrds [6]
First solve the moles of oxgen present in the compound

mol O = 6.93 g O ( 1 mol O / 16 g O )
mol O = 0.43 mol H

then solve the moles of hydrogen present
mol H = ( 7.36 - 6.93) g H ( 1 mol H / 1 g H)
mol H = 0.43 mol H
so the O and H are in the same mole content so the molecular formula would be OH, but the molar mass will not satisfy. so the answer would be
H2O2

8 0
3 years ago
Read 2 more answers
This is science
irakobra [83]

Answer:

a= seismic waves I think

b= outer

c= crust I think

6 0
2 years ago
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