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9966 [12]
3 years ago
12

Can someone list these in correct order? from least brigehst to brightest?​

Chemistry
1 answer:
Setler79 [48]3 years ago
8 0
Polaris -least brightest
Pluto
Venus
Moon
Sun - most brightest
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What is the formula for potassium citrate and how do you find it?
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Potassium citrate (also known as tripotassium citrate) is a potassium salt of citric acid with the molecular formula K3C6H5O7.

Chemical formula: K3C6H5O7

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Melting point: 180 °C (356 °F; 453 K)

Boiling point: 230 °C (446 °F; 503 K)

Explanation:

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2 years ago
A gas with a volume of 4.0L at a pressure of 205 kPa is allowed to expand to a volume of 12000 mL. What is the pressure in atmos
Leni [432]

Answer: The pressure in atmospheres is 0.674 in the container if the temperature remains constant.

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Boyle's Law: This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.

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P_1V_1=P_2V_2  

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P_2 = final pressure of gas = ?

V_1 = initial volume of gas  = 4.0 L

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205\times 4.0=P_2\times 12  

P_2=68.3kPa=0.674atm        (1kPa=0.0098atm)

Therefore, the pressure in atmospheres is 0.674 in the container if the temperature remains constant.

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