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2 years ago

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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3 years ago

Consider the reaction below. At 500 K, the reaction is at equilibrium with the following concentrations. [PCI5]= 0.0095 M [PCI3]

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Explanation:

$PCl_5\rightleftharpoons PCl_3+Cl_2$

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The expression of the equilibrium constant is given as:

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2 years ago

Read 2 more answers

Balance the following equations: (c) H2(g)+I2(s)⟶HI(s)H2(g)+I2(s)⟶HI(s)

kenny6666 [7]

Answer: $H_2(g)+I_2(g)\rightarrow 2HI(s)$

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

Thus in the reactants, there are 2 atoms of hydrogen and 2 atoms of iodine .Thus there has to be 2 atoms of hydrogen and 2 atoms of iodine in the product as well. Thus a coefficient of 2 is placed in front of HI.

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$H_2(g)+I_2(g)\rightarrow 2HI(s)$

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2 years ago

How many moles of water are formed from 0.65 moles of oxygen?

sleet_krkn [62]

Answer:

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hope this helps

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2 years ago