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klemol [59]
2 years ago
10

How many atoms are in 9.95 moles of iron?

Chemistry
1 answer:
zvonat [6]2 years ago
6 0

Answer:

59.92 × 10²³ atoms are in 9.95 moles of iron

1.8 ×10²² molecules are in 0.03 moles of Carbon dioxide

1.19 moles are found in 7.20 x 10^23 atoms of platinum

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620 mL of nitrogen at standard pressure is compressed into a 480 mL container. What is the new pressure in kPa?
bulgar [2K]

Answer:

c. 131 kPa

Explanation:

Hello!

In this case, since the relationship between volume and pressure is inversely proportional, based on the Boyle's law:

P_1V_1=P_2V_2

Considering that the standard pressure is 101.325 kPa, we can compute the final pressure as shown below:

P_2=\frac{P_1V_1}{V_2}=\frac{620mL*101.325kPa}{480mL}\\\\P_2=131kPa

Therefore, the answer is c. 131 kPa .

Best regards!!

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2 years ago
In what direction does an applied force move an object?
igor_vitrenko [27]
The answer is B. In the same direction as the force. Hope this helps :)
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3 years ago
Si uno pone un hilo en un hielo y un poco de sal el hilo se levanta el hilo con el hielo. Por que sé relaciona con calor y tempe
777dan777 [17]

Answer:

Explanation:

El hielo encierra la primavera antes de espolvorear la sal.

Cuando se rocía sal sobre el hielo, disminuye el punto de fusión del hielo 32 ° F a un poco por debajo de 32 °, por lo tanto, se acumula.

A medida que el hielo se vuelve a congelar, encierra la primavera

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3 years ago
Sugar cannot be separated from sugar solution by filtering explain why?​
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The sugar particles are so small that they have dissolved in the water, and can easily pass through the filter.

5 0
2 years ago
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Which element is chemically similar to chlorine?
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bromine

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halogens are a group of elemnts simlar to eachother

flourine, chlorine, and bromine

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