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3 years ago

Difference between global warming and climate change

Physics

1 answer:

KIM [24]3 years ago

6 0

Answer:

Global warming refers only to the Earth’s rising surface temperature, while climate change includes warming and the “side effects”

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What happens when one force acts on an object?

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Answer:

if the weight of the object is equal to the force applied, there will be no change

if the force applied is less than the weight of the object, there won't be any change

if the force application ed is greater than the weight of the object, than the object will move.

Explanation:

here the weight referred to the force of the object.

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3 years ago

Read 2 more answers

Two ideal gases have the same mass density and the same absolute pressure. One of the gases is helium (He), and its temperature

Oxana [17]

Answer:

Temperature of neon gas = 875 K

Explanation:

Using Ideal gas equation as:

PV=nRT

Where,

P is the pressure of the gas

V is the volume of the gas

n is the number of moles

R is the gas constant

T is the temperature

Also,

$moles=\frac{Mass(m)}{Molar\ mass (M)}$

$Density (\rho)=\frac{Mass(m)}{Volume(V)}$

The ideal gas equation can be written as:

$P=\frac{Mass(m)}{Molar\ mass (M)\times Volume(V)}\times RT$

Thus,

$P=\frac{Density (\rho)}{Molar\ mass (M)}\times RT$

$P\times M=Density (\rho)\times RT$

As Density and Pressure is constant , We only consider molar mass and Temperature which are directly proportional according to the equation above as:

$\frac {M_1}{T_1}=\frac {M_2}{T_2}$

Data given for He:

Temperature (T₁) = 175 K

Molar mass of He (M₁)= 4 g/mol

For Ne:

Temperature (T₂)= ?

Molar mass of He (M₂)= 20 g/mol

Applying in the equation,

$T_2=\frac {M_2}{T_1} \times {M_1}$

$T_2=\frac {20 g{mol}^{-1}}{175 K} \times {4 g{mol}^{-1}}$

$T_2=875 K atm$

<u>Temperature of neon gas = 875 K</u>

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3 years ago

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