Chemistry, asked by kahkashanhossain, 10 months ago

please give me the answer fast now please ​

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Answered by amansharma264
18

 \large \bold \red{ \underline{answer}} \\  \\  \implies \bold{25.9cm {}^{3} } \\  \\  \implies \bold \orange{ \underline{to \:  \: find }} \\  \\  \implies \bold{volume \:  \: of \:  \: dry \:  \: air \:  \: at \:  \: stp} \\  \\ \implies \bold  \green{ \underline{explanation}} \\  \\  \implies \bold{pressure \:  \: due \:  \: to \:  \: dry \:  \: air} \\  \\ \implies \bold{p = 750 - 12 = 738mm} \\  \\ \implies \bold{temperature \:  = 14 {}^{0} = 273 + 14 = 287k } \\  \\ \implies \bold{p1 = 760mm \: hg} \\  \\ \implies \bold{v1 = } \\  \\ \implies \bold{t1 = 273k} \\  \\ \implies \bold{using \:  \: gas \:  \: equation} \\  \\ \implies \bold{ \frac{pv}{T} = \frac{P1V1}{T1}  } \\  \\ \implies \bold{ \frac{738 \times 28}{287} =  \frac{760 \times v1}{273 }  } \\  \\ \: \implies \bold \therefore{v1 = 25.9cm {}^{3} }

Answered by sara122
29

Answer:

ㅤㅤㅤㅤㅤㅤ \large \bigstar  \rm \bold {\underline{ \:  \:  \:  \:  \:  \:  \: ❀given❀ \:  \:  \:  \:  \:  \:  \: }} \bigstar

ㅤㅤㅤㅤ❀ \rm \: p = 750 - 12 \\  ㅤㅤㅤ \:  \:  \:  \:  \:  ㅤ \rm \bold \green{= 738mm} \\  \\  \\ ㅤㅤㅤㅤ❀ ㅤ \rm \bold \green \: { v = 28cm {}^{3} } \\  \\  \\ㅤㅤㅤㅤ❀ \rm \: t = 14°C \\ \rm{ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 14 + 273} \\   ㅤㅤㅤ \:  \:  \:  \:  \:    ㅤ \rm \bold \green{= 287 \: k}  \\  \\  \\ ㅤㅤㅤㅤ❀  \:  \rm \bold \green{p _{1} = 760mmhg} \\  \\  \\ ㅤㅤㅤㅤ❀  \:  \rm \bold \green{v _{1} = ?}  \\  \\  \\ ㅤㅤㅤㅤ❀  \:  \rm \bold \green{t _{1} = 0 °C\:  = 273k}  \\  \\  \\

ㅤㅤㅤㅤㅤㅤ \large \bigstar  \rm \bold {\underline{ \:  \:  \:  \:  \:  \:  \: ❀SoluTion❀ \:  \:  \:  \:  \:  \:  \: }} \bigstar

 \\  \\  \\  \rm{using \: gas \: equation} \\  \\  \\     \bigstar\bf\bold\pink{ \frac{pv}{t}  =  \frac{p _{1}v _{1}}{t _{1} } } \\  \\  \\ ➲    \bf\frac{738 \times 28}{t}  =  \frac{760 \times v _{1} }{273}  \\  \\  \\ \bf ➲v_{1}=25.9cm²

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