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sdas [7]
3 years ago
15

Please help!!!!! The question is in the answer..

Chemistry
1 answer:
elena-s [515]3 years ago
4 0

Answer:-149.7

Explanation:

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Is SiO2 London Dispersion, Dipole-Dipole, or Hydrogen Bonding?
s2008m [1.1K]

Answer:

It is Dispersion

Explanation:

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6 0
2 years ago
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Balance the equation xcl2(aq)+agno3(aq)=x(no3)2(aq)+agcl(s)
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Explanation:

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What is the osmotic pressure of a 100 ml of toluene solution that contains a total of 0.005 moles of a polymer dissolved in it a
allsm [11]

Osmotic pressure is the pressure that would have to be applied to a pure solvent to prevent it from passing into a given solution by osmosis.

That can be mathematical computed from the expression:

Osmotic pressure=C×R×T

Where,

C= Concentration

R=Gas constant

T=Temperature

Concentration=Number of moles of solute/Volume(L)

=0.005*1000/100

=0.05

R= 0.08206 atm L/mol K

T=25+273

=298

Osmotic pressure= 0.05×0.08206×298

=1.2 atm

4 0
3 years ago
W do I find the family # and the period # for aluminum on the periodic table
Sati [7]

Answer:

Aluminum is the 13th element on the periodic table. It is located in period 3 and family 13.

Explanation:

3 0
3 years ago
If 1.546 g of copper was used by a student at the start of the lab, and 0.732 g of copper were obtained at
mash [69]

Answer: Percent recovery is 47.34 %

Explanation:

Percent yield is defined as the ratio of experimental yiled to theoretical yield in terms of percentage.

{\text{ percent yield}}=\frac{\text{amount recovered}}{\text{total amount}}\times 100

Putting in the values we get:

{\text{ percent yield}}=\frac{0.732}{1.546}\times 100=47.34\%

Therefore, the percent recovery is 47.34 %

8 0
3 years ago
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