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Lisa [10]
2 years ago
5

Which of the following is a covalent compound? NF3 KBr CuO FeCI3

Chemistry
1 answer:
adelina 88 [10]2 years ago
4 0
The 4 questions is a covalent compound
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3 years ago
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Calculate the pressure of the CO₂ (g) in the container at 425 K.
Elanso [62]

The pressure of the CO₂ = 0.995 atm

<h3>Further explanation</h3>

The complete question

<em>A student is doing experiments with CO2(g). Originally, a sample of gas is in a rigid container at 299K and 0.70 atm. The student increases the temperature of the CO2(g) in the container to 425K.</em>

<em>Calculate the pressure of the CO₂ (g) in the container at 425 K.</em>

<em />

<em />

Gay Lussac's Law

When the volume is not changed, the gas pressure is proportional to its absolute temperature

\tt \dfrac{P_1}{T_1}=\dfrac{P_2}{T_2}

P₁=0.7 atm

T₁=299 K

T₂=425 K

\tt P_2=\dfrac{P_1\times T_2}{T_1}\\\\P_2=\dfrac{0.7\times 425}{299}=0.995 `atm

<em />

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3 years ago
Why does the moon spin around the earth and the earth spins around the sun
liberstina [14]

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Sometimes the gravity of big objects would capture smaller ones in orbit. This could be one way the planet acquired the moon

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I think it will option D hope it helps

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