3 years ago

With all his gear, Neil Armstrong weighed 360 pounds on Earth. When he landed on the Moon, he weighed 60 pounds. Why?

1 answer:

7 0

Because the further from earth's gravitational pull the less you weigh. A person's mass will never change but their weight can vary depending on where in the world they are

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A mixture of three noble gases has a total pressure of 1.25 atm. The individual pressures exerted by neon and argon are 0.68

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First of all, as you seen the gases are noble which means that will not react with each other and in this case each gas create individual pressure.

P $_{T}$ = total pressure

P $_{Ne}$ = pressure of neon

P $_{Ar}$ = pressure of argon

P $_{He}$ = pressure of helium {which is required}

P $_{T}$ = P $_{Ne}$ + P $_{Ar}$ + P $_{He}$

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I'm not so sure but I would say Answer Choice B

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Which expression is equal to the number of grams in 2.43 kilograms

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