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VladimirAG [237]
3 years ago
12

What is the molarity of 3.0 L solution containing 250 g of Nal​

Chemistry
1 answer:
IgorC [24]3 years ago
8 0

Answer: C. 0.57 M

Explanation:

Molarity= Moles/Vol

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This must be a universal indicator, the pH is going down everytime you add more :)
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What do the superscripts and subscripts in the notation ^40 K represent?
raketka [301]

Explanation:

subscript is K

superscript is ^

subscript K means a unit of temperature like F or C

superscript ^ means to the power of

So all together it means to the power of 40 K

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PLEASE HELP DUE TODAY 55 POINTS
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Answer : The final volume of gas will be, 26.3 mL

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 0.974 atm

P_2 = final pressure of gas = 0.993 atm

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T_1 = initial temperature of gas = 22.0^oC=273+22.0=295K

T_2 = final temperature of gas = 15.0^oC=273+15.0=288K

Now put all the given values in the above equation, we get:

\frac{0.974 atm\times 27.5 mL}{295K}=\frac{0.993 atm\times V_2}{288K}

V_2=26.3mL

Therefore, the final volume of gas will be, 26.3 mL

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Check the explanation

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Glycolysis is the process in the field of chemistry in which a specific glucose molecule is broken down to become two or more molecules of pyruvic acid or pyruvate. The process and procedure is a metabolic multi-step pathway that happens in the cytoplasm of plant cells, animal cells, and the cells of various microorganisms.

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1) nonspontaneous because deltaG is positive

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3) -16.7 kJ/mol

4) yes, because deltaG is negative

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3 years ago
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