Question

3) A welder have a cylinder helium used in
arc welding. The cylinder's volume is 32

L and the gas pressure is 110 atm at 25
°C. The cylinder will burst if the
pressure reaches 200 atm. Which of the
following is false?
A) The cylinder contains 144 moles of He
B) The 'He' could fill a 3200 L balloon at
STP
C) The welder can safely heat the
cylinder to 325°C.
D) The pressure in millimeters of Hg is
8.4x10​

Answer 1

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1. The inability to fully digest sugar (lactose) in dairy products.
2. Lactose intolerance is usually caused by a deficiency of an enzyme in the body called lactase.