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elena55 [62]
3 years ago
14

Can you please answer 9-13 please

Chemistry
1 answer:
Vinil7 [7]3 years ago
6 0
9. capital
10. whiskey
11. Chief Little Turtle
12. take action
13. Spain
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Determine the number of representative particles in each of the following:
tia_tia [17]

Answer:

(a) 0.294 mol silver = 1.770 * 10^{23}  

(b) 8.98 * 10-3 mol sodium chloride - 5.407 *10^{23}  

(c) 23.3 mol carbon dioxide  = 1.403 * 10^{25}

(d) 0.310 mol nitrogen (N2) = 1.866 * 10^{23}

Explanation:

In one mole there are 6.022 * 10^{23} atoms/molecules

(a) 0.294 mol silver = 6.022 * 10^{23} * 0.294 = 1.770 * 10^{23}  

(b) 8.98 * 10-3 mol sodium chloride - 5.407 *10^{23}  

(c) 23.3 mol carbon dioxide  = 23.3 * 6.022 * 10^{23} = 1.403 * 10^{25}

(d) 0.310 mol nitrogen (N2) = 0.310 * 6.022 * 10^{23} = 1.866 * 10^{23}

3 0
3 years ago
A sample of hydrogen gas has a pressure of 1.50 atm with a volume of 5.00 L, what is the pressure if the volume is expanded to 7
miss Akunina [59]

Answer:

The pressure is 0,97 atm

Explanation:

We apply Boyle Mariotte's Law, where for a certain mass of gas, at constant temperature, the pressure and volume vary inversely proportionally:            P1x V1 = P2 x V2 P2= (P1 x V1)/V2

P2 = 1, 50 atm x 5, 00 L /7,74 L

P2= 0, 97 atm

6 0
3 years ago
Is the Swedish timber industry more likely a result of good resource availability or a lack of trees elsewhere on Earth?
ch4aika [34]

Answer:

The forest products industry plays a major role in the Swedish economy, and accounts for between nine and 12 percent of Swedish industry's total employment, exports, sales and added value. It includes companies within the pulp and paper industry, as well as the wood-mechanical industry.

7 0
3 years ago
PLEASE HELP!!! ON A TIMER, WILL MARK BRAINLIEST
Nadusha1986 [10]

Answer:

<em>Well, Your best answer will be is  2H+ + 2OH-  ->  2H2O but you have to reduce it to H+ + OH-  ->  H2O. </em><em>Good Luck!</em>

8 0
3 years ago
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Ymorist [56]

Answer:

Yung explain

Explanation:

Shu makou du mang sugumani hinam dilomaoan

8 0
3 years ago
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