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masya89 [10]
3 years ago
15

I don’t get this lesson so can somebody help me with the answer plz

Chemistry
1 answer:
lyudmila [28]3 years ago
7 0
Texture is physical
ability to react with other substances is chemical
hardness is physical
tarnish is chemical
temperatures chemical
electrical conductivity is physical
ferment is physical
mass is physical
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Answer:

676mmHg

Explanation:

Using the formula;

P1/T1 = P2/T2

Where;

P1 = initial pressure (mmHg)

P2 = final pressure (mmHg)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question;

P1 = 725.0mmHg

P2 = ?

T1 = 20°C = 20 + 273 = 293K

T2 = 0°C = 0 + 273 = 273K

Using P1/T1 = P2/T2

725/293 = P2/273

Cross multiply

725 × 273 = 293 × P2

197925 = 293P2

P2 = 197925 ÷ 293

P2 = 676mmHg.

The resulting pressure is 676mmHg

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