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DanielleElmas [232]
2 years ago
15

When butter is heated it melts and when that melted butter cools and solidifies the process called

Chemistry
1 answer:
avanturin [10]2 years ago
3 0
<span>I'm pretty sure it is called condensation</span>
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4 0
3 years ago
True or False: As the ball rises from point 1 to point 3, it slows down
quester [9]
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3 years ago
Iodine, I2, is a solid at room temperature but sublimes (converts from a solid into a gas) when warmed. What is the temperature
Stels [109]
<h3>Answer:</h3>

382.63 K

<h3>Explanation:</h3>

We are given;

  • Volume of Iodine as 71.4 mL
  • Mass of Iodine as 0.276 g
  • Pressure of Iodine as 0.478 atm

We are required to calculate the temperature of Iodine

  • We are going to use the ideal gas equation;
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T = PV ÷ nR

But, n, the number of moles = Mass ÷ Molar mass

Molar mass of iodine = 253.8089 g/mol

Thus, n = 0.276 g ÷ 253.8089 g/mol

           = 0.001087 moles

Therefore;

T = (0.478 atm × 0.0714 L) ÷ (0.001087 moles × 0.082057)

  = 382.63 K

Thus, the temperature of Iodine in Kelvin is 382.63 K

3 0
3 years ago
How do you decide whether a sample of matter is a solid,liquid,or gas?
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2 years ago
For dessert, she prepares to bake a delicious apple pie. During one of the steps, she
Leno4ka [110]

Answer:

heating the sugar

Explanation:

6 0
3 years ago
Read 2 more answers
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