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Helen [10]
3 years ago
11

Can you imagine a situation in which the reserve of a fuel might be increased?

Chemistry
2 answers:
Kamila [148]3 years ago
6 0
The reserve of a fossil fuel might be increased if mining or extraction techniques improve so that more of fuel can be extracted for  a profit 
hammer [34]3 years ago
6 0

The reserve of a fossil fuel could be increased if mining or the extraction techniques of removing fossil fuels improve so that more of fuel can be extracted for more profit.

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Please help me please i will mark you brainliest. In the nucleus of an atom, there are 17 protons and 18 neutrons. What is the a
prohojiy [21]

Answer:

i can only help with 2 :( atimic mass is: 35.453  and number of electrons is:17

Explanation:

7 0
2 years ago
Which two elements are most abundant within the sun?
padilas [110]
Hydrogen and helium.
3 0
3 years ago
1. Select all the statements about the nucleus of the atom that are correct:
erik [133]

Answer:

Explanation:

1. Select all the statements about the nucleus of the atom that are correct:

Group of answer choices

B. It contains Protons

D. It has a Positive Charge

E. It contains Neutrons

2. An atom of an element with atomic number 50 and mass number 120 contains:

Group of answer choices

B. 50 protons, 50 electrons, and 70 neutrons

3. Which of these statements is false?

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D. Electrons have the same mass as a proton but have the opposite charge.

8 0
2 years ago
What type of front in which warm air mass is cut off from the ground by cool air beneath it?
vodomira [7]

Answer:

Occluded Front

Explanation:

"Occluded Front Forms when a warm air mass gets caught between two cold air masses. The warm air mass rises as the cool air masses push and meet in the middle. The temperature drops as the warm air mass is occluded, or “cut off,” from the ground and pushed upward."

  - www.eduplace.com › science › hmxs › pdf

7 0
2 years ago
A swimming-pool worker wants the pool's pH to be 7.2. She comes by to test the water and finds that the pH is 8.2. What should s
PtichkaEL [24]
The pH of a solution is a measure of the acidity of a solution and is logarithmically related to the hydrogen ion concentration. It is expressed as:

pH = -log [H+]

We use this to determine the amount of H+ needed to adjust the pH to the desired value.

pH1 = 7.2 = -log [H+]
[H+] = 6.31x10^-8

pH2 = 8.2 = -log [H+]
[H+] = 6.31x10^-9

[H+] to be added =  6.31x10^-8 - 6.31x10^-9 = 5.68x10^-8 M

She should add an acidic solution with concentration 5.68x10^-8 M. Hope this helps.
3 0
3 years ago
Read 2 more answers
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