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Leokris [45]
3 years ago
11

When ironing clothes the primary method of heat transfer is conduction convection insulation or radiation

Chemistry
1 answer:
Hatshy [7]3 years ago
5 0
Conduction, because there is a direct transfer of heat.

When the iron touches the fabric, the heat from the iron gets transferred to the fabric and this is why it is a conduction type of heat transfer.
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Explanation:

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For each set of values, calculate the missing variable using the ideal gas law.
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Answer:

1. n = 0.174mol

2. T= 26.8K

3. P = 1.02atm

4. V = 126.88L

Explanation:

1. P= 2.61atm

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T = 36.1 °C = 36.1 + 273= 309.1K

R = 0.082atm.L/mol /K

n =?

n = PV / RT = (2.61x1.69)/(0.082x309.1)

n = 0.174mol

2. P = 302 kPa = 302000Pa

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302000Pa = 302000/101325 = 2.98atm

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n = 3.23 mol

R = 0.082atm.L/mol /K

T= PV /nR = (2.98x2.382)/(3.23x0.082) = 26.8K

3. P =?

V = 0.0250 m³ = 25L

T = 288K

n = 1.08mol

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P = nRT/V = (1.08x0.082x288)/25 = 1.02atm

4. P = 782 torr

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782 torr = 782/760 = 1.03atm

V =?

T = 303K

n = 5.26 mol

R = 0.082atm.L/mol /K

V = nRT/P

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