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Zigmanuir [339]
3 years ago
7

Bronze is an alloy. What is an alloy and why are they preferable at times?

Chemistry
1 answer:
Naddika [18.5K]3 years ago
6 0
Alloys are mixtures of metals and other elements, which still keeps many characteristics of metal.

Alloys are sometimes desirable as they have some properties that the original metals don't, for example more flexibility or less fragility. Steel is such an alloy: it prevents movement of iron parts, making it stronger.
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The instruction booklet for your pressure cooker indicates that its highest setting is 11.8 psipsi . You know that standard atmo
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<u>Answer:</u> The temperature at which the food will cook is 219.14°C

<u>Explanation:</u>

To calculate the final temperature of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

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\frac{P_1}{T_1}=\frac{P_2}{T_2}

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P_2\text{ and }T_2 are the final pressure and temperature of the gas.

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Putting values in above equation, we get:

\frac{14.7psi}{273K}=\frac{26.5psi}{T_2}\\\\T_2=\frac{26.5\times 273}{14.7}=492.14K

Converting the temperature from kelvins to degree Celsius, by using the conversion factor:

T(K)=T(^oC)+273

492.14=T(^oC)+273\\\\T(^oC)=219.14^oC

Hence, the temperature at which the food will cook is 219.14°C

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