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harina [27]
2 years ago
9

The substances on the left side of a chemical equation are called the:

Chemistry
1 answer:
torisob [31]2 years ago
8 0
B compnests is the answe tot his quotation
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For the Lewis structure above, how many lone pairs are on the P in PCI3
Vinil7 [7]

Answer: C is the correct answer

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3 years ago
1. What is the mitochondra in a cell? What is its primary funtion?
Gnesinka [82]
The mitochondria is full of energy. It’s primary function is to generate large quantities of ATP.
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A bottle of the pain reliever ibuprofen (C13H18O2, molar mass 206.3 g/mol) has 485 tablets. Each tablet contains 200. mg of ibup
Gwar [14]

(a) 485 x 200 mg = 97000 mg of ibuprofen in the bottle

97000 mg x (1g/1000mg) = 97g of ibuprofen in the bottle

97g (1 mol/ 206.5gC13H18O2) = 0.46973 moles of ibuprofen in the bottle

(b) 0.46973 mol C13H18O2 (6.022 x 10^23 molecules/1mol) = 2.8287 x 10^23 molecules of ibuprofen in the bottle

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3 years ago
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7. A gas has a volume of 300 mL at 300 mm Hg. What will its volume be if the pressure is changed to 500 mm Hg?​
USPshnik [31]

Answer:

The volume is

<h2>180 mL</h2>

Explanation:

In order to solve for the volume we use the formula for Boyle's law which is

<h3>P _{1}  V _{1} = P _{2}V _{2}</h3>

where

P1 is the initial pressure

V1 is the initial volume

P2 is the final pressure

V2 is the final volume

Since we are finding the final volume we are finding V2

Making V2 the subject we have

<h3>V _{2}  = \frac{P _{1}  V _{1}}{P _{2}  }</h3>

From the question

P1 = 300 mmHg

V1 = 300 mL

P2 = 500 mmHg

Substitute the values into the above formula and solve for the final volume obtained

That's

<h3>V _{2} =  \frac{300 \times 300}{500}  \\  =  \frac{90000}{500}  \\  =  \frac{900}{5}</h3>

We have the final answer as

<h3>180 mL</h3>

Hope this helps you

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4 years ago
Which electron configuration represents the element carbon (atomic number 6)?
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1s^2 2s^2 2p^<span>2 is the electronic configuration for carbon I think</span>
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