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Vedmedyk [2.9K]

3 years ago

7

Which flow diagram best explains the energy transformations that occur within an automobile running on diesel

1 answer:

anyanavicka [17]3 years ago

5 0

In diesel engines, the chemical energy in the fuel is changed to heat energy, causing the pistons to expand via mechanical energy. The mechanical energy is finally converted to kinetic energy, which is observed as the movement of the vehicle.

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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

zavuch27 [327]

<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.

Mathematically,

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

where,

$P_1\text{ and }T_1$ are the initial pressure and temperature of the gas.

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

We are given:

$P_1=14.7psi\\T_1=273K\\P_2=(14.7+11.8)psi=26.5psi\\T_2=?$

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

7 0

3 years ago

What is the charge on an electron? <br><br> -1<br> 0<br> +1<br> -2

Mama L [17]

An electron has a negative charge of one

An neutron has no charge (hence, neutral)

An proton has a positive charge of one

~

5 0

3 years ago

Read 2 more answers

How many moles are there in 32.4 grams of Na

Natalija [7]

Divide that my the molar mass which is 23 so 1.4087 g

8 0

3 years ago

What is the most common salt found in ocean water?

zhannawk [14.2K]

Hello.

The answer i believe would be sodium.

Have a great day.

3 0

3 years ago

In a titration of a solution of unknown concentration of calcium hydroxide against hydrochloric acid (concentration 0.9mol/dm3),

bearhunter [10]

Hi dear
I hope that will be helpful

6 0

2 years ago