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3 years ago

Write is the chemical formula for calcium and chlorine

Chemistry

1 answer:

Evgen [1.6K]3 years ago

3 0

The ionic formula for Calcium Chloride is CaCl2

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3 years ago

What two dose the transfer of light energy require

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Explanation:

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2 years ago

HCL ejercicio de química

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A 75.0-milliliter lightbulb is filled with neon. There are 7.16 × 10-4 moles of gas in it, and the absolute pressure is 116.8 ki

Fantom [35]

Answer:- 1467 K

Solution:- It asks to calculate the kelvin temperature of the light bulb. Looking at the given info, it is based on ideal gas law equation, PV=nRT.

Given: $n=7.16*10^-^4moles$

V = 75.0 mL = 0.0750 L

P = 116.8 kPa

We know that, 101.325 kPa = 1 atm

So, $116.8kPa(\frac{1aym}{101.325kPa})$

= 1.15 atm

R is universal gas constant and it's value is $0.0821\frac{atm.L}{mol.K}$ .

T = ?

Let's plug in the values in the equation and solve it for T.

$1.15(0.0750)=7.16*10^-^4*0.0821(T)$

0.08625 = 0.00005878(T)

$T=\frac{0.08625}{0.00005878}$

T = 1467 K

So, the temperature of the light bulb would be 1467 K.

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2 years ago

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explain the relationship between the kelvin temperature of a substance and the kinetic energy of its particles

blondinia [14]

Answer:

kinetic energy is directly proportional to the absolute temperature this is because when absolute temperature is increased it tends to cause more collision of the particles which hence increases kinetic energy of the particles .

since kinetic energy is the energy due to motion

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3 years ago