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Natali5045456 [20]
3 years ago
14

Need help fast please 20 points

Chemistry
2 answers:
artcher [175]3 years ago
5 0

Answer:

gamma radiation

Explanation:

on edge!

tatiyna3 years ago
4 0
Antoine henri studied phosphorescence when he discovered radioactivity
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The reaction below is at equilibrium. What would happen if more carbon were
schepotkina [342]

Explanation:

C_{(s)} + O_{2(g)} \rightleftharpoons CO_{2(g)}

<em>According to <u>le ch</u></em><em><u>-</u></em><em><u>atelier'</u></em><em><u>s</u></em><em><u> </u></em><em><u>principle</u> when a chemical reaction at equilibrium subjected to any stress, then the equilibrium shifts in that direction in which effect of stress is reduced.</em>

When we would add more number of carbon in above reaction then rate of forward reaction will increase to attain the equilibrium again.

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5 0
2 years ago
Write a procedure that you would follow to demonstrate the effect of increasingly higher concentrations of hydrochloric acid on
Hitman42 [59]
The reaction would produce bubbles of gas.

We can prepare 3-5 test tubes of acid with increasing concentrations. Then, we add antacid tablets to each and note the time taken for the tablet to dissolve and stop producing bubbles. The lesser the time taken, the greater the rate of reaction.
7 0
3 years ago
The table below shows the role of different substances during photosynthesis.
RoseWind [281]
A I think I could be wrong I’m not good at this
6 0
3 years ago
Read 2 more answers
Using the table on the right, complete each calculation by typing in the correct answer.
Pavel [41]

Answer:

13,200 mL

Explanation:

multiply by 1000 to go from L to mL

8 0
3 years ago
100 POINTS PLEASE HELP (PHOTOS INCLUDED)
pshichka [43]

Answer:

Explanation:

3.

Knowns: 100mL of solution; concentration of 0.7M

Unknown: number of moles

Equation: number of moles = volume * concentration

Plug and Chug: number of moles = 100/1000 * 0.7 = 0.07 mole

Final Answer: 0.07mole

2.

Knowns: 5.50L of solution; concentration of 0.400M

Unknown: number of moles

Equation: number of moles = volume * concentration

Plug and Chug: number of moles = 5.5 * 0.4 = 2.20 mole

Final Answer: 2.20 mole

6 0
2 years ago
Read 2 more answers
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