The normal atmospheric pressure is 76 CM of mercury. Calculate the pressure in SI units. Density of Hg = 13600 kg/m3 g =10

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Solution

The conversion for atmospheres to related units are as follow:

1 atm = 101 325 Pascals (Pa, or Newtons per metre square, N m^-2)

1 atm = 76 cm Hg

1 atm = 14.6959 PSI (pound force per square inch)

So to answer your question, 76 cm Hg is equal to 1 atmospheres

1 atm = 101 325 Pascals (SI unit is pascal )

76 cm Hg = 101 325 Pascals almost equal to 10 ^5 Pascals

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Similar questions

Atmospheric pressure at a place is 650 my of Hg. Calculate the pressure in pascals. Density of Hg = 13600 kg/m3, g = 10

m^{3}

76 m m

13600 k g m^{- 3}

g = 10 m s^{- 2}

The normal atmospheric pressure is :
(a) 76 m of Hg (b) 76 cm of Hg
(c) 76 Pa (d) 76 N $m^{- 2}$

76 c m

= 13.6 g

{c m}^{- 3}

g = 980 c m

s^{- 2}

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