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xxTIMURxx [149]
3 years ago
11

H₃C-Ç=CCH₃сна сHз (what is the name of this chemical formula)​

Chemistry
1 answer:
algol [13]3 years ago
3 0

Answer:2,3 -dimethyl-2-butenr

Explanation:

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What is the osmotic pressure, in torr, of a 3.00% solution of NaCl in water when the temperature of the solution is 45 ºC? Enter
Anit [1.1K]

213034 torr is the osmotic pressure.

Explanation:

osmotic pressure is calculated by the formula:

osmotic pressure= iCrT

where i= no. of solute

c= concentration in mol/litre

R= Universal Gas constant

T = temp

It is given that solution is 3% which is 3gms in 100 ml.

let us calculate the concentration in moles/litre

3gm/100ml*1000ml/1L*1mol NaCl/55.84g NaCl

= 5.372 gm/litre

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osmotic pressure= 2*5.372*0.083 * 318.5                 Gas constant  0.083

                              = 284.023 bar or 213018 torr.                 c=  5.372 moles/L                                                                              

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3 years ago
What are the characteristics of an atom or molecule when in the gas phase
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