2 years ago

Newton's first law of motion says that an object in motion will remain in

Chemistry

1 answer:

Amanda [17]2 years ago

8 0

Answer:

Gravity

Explanation:

Gravity wins every time

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In order to get lots of helium into tanks to fill kiddy balloons, they put force or pressure onto it. If i have 595 liters of he

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Answer:

1.90 L

Explanation:

Using Boyle's law

${P_1}\times {V_1}={P_2}\times {V_2}$

Given ,

V₁ = 595 L

V₂ = ?

P₁ = 1.00 atm

P₂ = 55.0 atm

Using above equation as:

${P_1}\times {V_1}={P_2}\times {V_2}$

${1.00}\times {595}={55.0}\times {V_2}$

${V_2}=\frac{{1.00}\times {595}}{55.0}\ L$

${V_2}=1.90\ L$

<u>The volume would be 1.90 L.</u>

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3 years ago

How many moles of zinc are in 4.70 kg of zinc?

faust18 [17]

First we convert kg to g
1kg =1000g
4.70=x(gram)
4.70×1000÷1=4700g
now:
number of moles=mass÷molarmass
number of moles=4700÷65.4
number of moles=71.86moles.

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3 years ago

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Which Group 14 element is classified as a metal?

eimsori [14]

Tin is classified as a metal in family 14.

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Freezing a candy bar is an example of a physical change. <br> True or false

Debora [2.8K]

Answer: This is true.

Explanation:

It is true because if becomes frozen, then it is physically harder to melt...

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What state of matter having a definite volume but no definite shape

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The state of matter is liquid.

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