3 years ago

You can find the pH of a substance by using

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1 answer:

soldier1979 [14.2K]3 years ago

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The correct answer is C. Litmus Indicator

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If the volame ofa gas coetainer at 32°C changes froem 1.55 L to 753 ml, what will the final temperature be? Assume the pressure

motikmotik

Answer : The final temperature of gas will be, 149 K

Explanation :

Charles' Law : It is defined as the volume of gas is directly proportional to the temperature of the gas at constant pressure and number of moles.

$V\propto T$

or,

$\frac{V_1}{V_2}=\frac{T_1}{T_2}$

where,

$V_1$ = initial volume of gas = 1.55 L

$V_2$ = final volume of gas = 753 ml = 0.753 L

$T_1$ = initial temperature of gas = $32^oC=273+32=305K$

$T_2$ = final temperature of gas = ?

Now put all the given values in the above formula, we get the final temperature of the gas.

$\frac{1.55L}{0.753L}=\frac{305K}{T_2}$

$T_2=149K$

Therefore, the final temperature of gas will be, 149 K

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