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jolli1 [7]
2 years ago
12

If you have 9900 g of donuts, how many donuts do you have if each donut has a mass of 150 g?

Chemistry
1 answer:
AlexFokin [52]2 years ago
8 0

You would have 66 donuts.


If each you have 9900g of donuts and each donut has a mass of 150g, we can divide 9900 by 150 to figure out how many donuts we have. To do this, we first have to figure out how many times 150 goes into 990. It goes into 6 times and has a remainder of 90. Now we have to figure out how many times 150 goes into 900. It goes in 6 times, meaning that our answer is 66 donuts.

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A carbon rod takes up 105 mL of space. With a density of 2.26 g/mL, what
aleksandrvk [35]

Hey there!

Mass = ?

volume = 105 mL

Density = 2.26 g/mL

Therefore:

D = m / V

2.26 = m / 105

m = 2.26 * 105

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Hope this helps!

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disa [49]

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Explanation:

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Is it possible for the entropy of both a closed system and its surroundings to decrease during the process?
iren [92.7K]

Only when heat is transferred from the system to its surroundings does a closed system suffer a decrease in entropy.

Only when heat is transferred from the system to its surroundings does a closed system suffer a decrease in entropy. Every internally reversible operation in a closed system generates entropy. Entropy remains constant in an adiabatic and internally reversible process of a closed system. Isolated systems' entropy cannot diminish.

When a system is not isolated but is in contact with its surroundings, the entropy of the open system may drop, requiring a balancing rise in the entropy of the surroundings. During a process, the entropy of an isolated system constantly increases, or in the case of a reversible process, remains constant (it never decreases).

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6 0
1 year ago
A gas mixture contains the following gases with the mole fractions indicated:
BigorU [14]

Hi there!

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We can subtract the mole fractions of all of the other gases from one to solve for the mole fraction of carbon monoxide.

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Given the following equation: 2 KCIO, +2 KCl + 30, how many grams of O, can be produced by letting 5.90 moles of KCIO, react ?
Finger [1]

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Explanation:

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