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2 years ago

7

5. Wskaż liczbę protonów w atomie glinu?

1 answer:

Scrat [10]2 years ago

3 0

Answer:

write english bro

Explanation:

pls i cant understand

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A sample of a gas in a balloon has a volume of 2.22 L and temperature of 23.9 °C. Calculate the volume when the temperature is r

nignag [31]

Answer:

Volume = 4.28L

Explanation:

Charles's gas law relates the volume and temperature of a gas at constant pressure. This law says that at constant pressures if we raise the temperature of a gas it will expand and if we reduce the temperature the volume will decrease. The formula is as follows:

${\frac {V_{1}}{T_{1}}}={\frac {V_{2}}{T_{2}}}$

So, the initial conditions are 2.22L and 23.9 °C ant the final conditions are 46.1 °C we replace them in the equation. And then we solve it.

${\frac {2.22}{23.9}}={\frac {V_{2}}{46.1}$

${\frac {2.22}{23.9}} {46.1}={V_{2$

${4.28}={V_{2$

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3 years ago

If a sample of nitrogen monoxide occupies 268.0 L of space at STP, how many moles of nitrogen monoxide are

kow [346]

Answer:

1m×268.0L/22.4L=11.9m

Explanation:

there are 11.9 moles of nitrogen monoxide are present

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2 years ago

Alice needs to calculate the average pressure inside a gas cylinder. She has access to both a data table showing the pressure ov

Stella [2.4K]

I don’t know but I will find iut

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2 years ago

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Can i remove the carbon from sugar

soldi70 [24.7K]

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The answer to the question is yes

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3 years ago

If 4.40 g of glucose are burned in a bomb calorimeter, the temperature of the 800 g of water in the calorimeter increases from 1

bixtya [17]

Answer:

-14.4kJ

Explanation:

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2 years ago