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suter [353]
3 years ago
15

01:45:05 Which statement describes how diffusion works? Molecules always move from inside of the cell to outside of the cell. Mo

lecules always move from areas of high concentration to low concentration. Molecules always move from areas of low concentration to high concentration. Molecules always move from of outside the cell to inside of the cell.
Chemistry
1 answer:
Tom [10]3 years ago
4 0

Answer:

Molecules always move from areas of high concentration to low concentration.

Explanation:

The correct answer to how diffusion works would be that <u>molecules always move from areas of high concentration to low concentration</u>.

<em>Diffusion is generally defined as the movement of molecules - solid, liquid, or gases - from the region of higher concentration of the molecule to the region of lower concentration of the same molecule.</em> The net movement of molecules continues until an equilibrium is established between the two sides.

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How many neutrons does tin-112 have?<br>​
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Answer:

69 neutrons

Explanation:

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How much significant figures does 147,320 have
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How many chiral center have butaclamol​
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A container holds 500 mL of oxygen gas at a pressure of 1.3 atm and a temperature of 25 ˚C. If the temperature increases to 29 ˚
Ksivusya [100]

Answer:

The new volume of the gas is decreased, to 0.329 L

Explanation:

Step 1: Data given

Volume of oxygen = 500 mL = 0.500 L

Pressure = 1.3 atm

Temperature = 25.0 °C

Temperature increases to 29.0 °C

New pressure = 2.0 atm

Step 2: Calculate new volume

p1*V1/T1 = p2*V2/T2

⇒with p1 = the initial pressure = 1.3 atm

⇒with V1 = the initial volume = 0.500L

⇒with T1 = the initial temperature = 25 °C = 298 K

⇒with p2 = the new pressure = 2.0 atm

⇒with V2 = the new volume = TO BE DETERMINED

⇒with T2 = the new temperature = 29 °C = 302 K

(1.3 * 0.500)/298 = (2.0 * V2) /302

0.0021812 = 2.0V2 / 302

V2 = 0.329 L = 329 mL

The new volume of the gas is decreased, to 0.329 L

3 0
4 years ago
If 1.332 mol of C4H10 are reacted with 6.504 mol of O2, how many mol of the excess reagent will remain unreacted? 2 C4H10 + 13 O
Luden [163]

Answer: The number of moles of excess reagent remain unreacted will be, 6.004 moles.

Explanation : Given,

Moles of C_4H_{10} = 1.332 mol

Mass of O_2 = 6.504 mol

First we have to calculate the limiting and excess reagent.

The balanced chemical equation is:  

C_4H_{10}+13O_2\rightarrow 10H_2O+8CO_2

From the balanced reaction we conclude that

As, 13 mole of O_2 react with 1 mole of C_4H_{10}

So, 6.504  moles of O_2 react with \frac{6.504}{13}=0.5003 moles of C_4H_{10}

From this we conclude that, C_4H_{10} is an excess reagent because the given moles are greater than the required moles and O_2 is a limiting reagent and it limits the formation of product.

Number of moles remain unreacted = 6.504 mol - 0.5003 mol = 6.004 mol

Therefore, the number of moles of excess reagent remain unreacted will be, 6.004 moles.

5 0
4 years ago
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