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Zanzabum
3 years ago
10

Which of the following is considered a renewable resource?

Chemistry
2 answers:
Mashutka [201]3 years ago
5 0

Explanation:

I can give you some examples;

1) water

2) biomass

3)Soil

4) forest...

I hope this will help you

Natasha_Volkova [10]3 years ago
3 0
Solar, water, biomass, geothermal
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Which best describes nuclear fusion? O A nucleus spontaneously splits and absorbs energy O Two nuclei spontaneously combine and
KIM [24]

Answer: Nuclei combine to form a heavier nucleus, releasing energy. ​

Explanation:   e.g two deuterium nucleus (Hydrogen-2 isotopes) forms an He nucleus and energy is released.

4 0
2 years ago
Who is good at CHEMISTRY?????????/I NEED HELP
Pavlova-9 [17]

Answer:

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Explanation:

4 0
2 years ago
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A chemist must prepare 300.0mL of nitric acid solution with a pH of 0.70 at 25°C. He will do this in three steps: Fill a 300.0mL
d1i1m1o1n [39]

<u>Answer:</u> The volume of concentrated solution required is 9.95 mL

<u>Explanation:</u>

To calculate the pH of the solution, we use the equation:

pH=-\log[H^+]

We are given:

pH = 0.70

Putting values in above equation, we get:

0.70=-\log[H^+]

[H^+]=10^{-0.70}=0.199M

1 mole of nitric acid produces 1 mole of hydrogen ions and 1 mole of nitrate ions.

Molarity of nitric acid = 0.199 M

To calculate the volume of the concentrated solution, we use the equation:

M_1V_1=M_2V_2

where,

M_1\text{ and }V_1 are the molarity and volume of the concentrated nitric acid solution

M_2\text{ and }V_2 are the molarity and volume of diluted nitric acid solution

We are given:

M_1=7.0M\\V_1=?mL\\M_2=0.199M\\V_2=350mL

Putting values in above equation, we get:

7.0\times V_1=0.199\times 350.0\\\\V_1=\frac{0.199\times 350}{7.0}=9.95mL

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6 0
2 years ago
BRAINLIESTTT ASAP!!!! PLEASE HELP ME :)
Elan Coil [88]

Answer:

1s² 2s²2p³  

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In the first Period, you have filled the 1s level (2 electrons).

In the second Period, you have filled the 2s subshell (2 electrons) and put three electrons in the 2p subshell.

Thus, the electron configuration is

1s² 2s²2p³

Note how the superscripts tell you the number of electrons in each subshell: <em>2 + 2 + 3 = 7</em>.

6 0
2 years ago
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Diano4ka-milaya [45]
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