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3 years ago

How much does a gold bar wiegh and how much is it wotrth

1 answer:

3 0

It depends on the gold bar. Gold bars come in all diferent sizes. However how much its worth depends on how big it is. Gold is $1,320 per ounce.

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1. If humans increase the amount of carbon dioxide in Earth's atmosphere, what will

Anettt [7]

Answer:

The average temp will increase

Explanation:

Carbon dioxide levels will cause global warming to increase and therefore the temp will increase

Hope this helps :)

3 0

2 years ago

I need help with this.

Phoenix [80]

Answer:

can you show a clearer picture of the chart?

Explanation:

4 0

2 years ago

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Question 10

zepelin [54]

Because the ring is hollow

3 0

3 years ago

The denser and thicker a liquid is, the higher the buoyancy of an object is. In other words, if the density of a certain fluid i

Marta_Voda [28]

Answer:

Yes this is true.

Explanation:

3 0

2 years ago

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

2 years ago