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Volgvan
2 years ago
6

HELP PLEASE || TEN PTS WILL MARK BRAINLEST ||Reaction B could produce a substance with a pH of...

Chemistry
1 answer:
postnew [5]2 years ago
6 0

Answer:

14

Explanation:

Hope this helps:)

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Select the correct answer. In which state of matter do molecules have the lowest kinetic energy? A. liquid state B. plasma state
Svetllana [295]

Answer:

D. Solid state

Explanation:

In solid state the particles of  a substance, vibrate in fixed positions though they posses less kinetic energy. This is the reason as to why the particles do not move far apart from each other making the solids remain in fixed shapes unless an extra energy is added.

8 0
3 years ago
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When the fish-tank water has a pH of 8.0, the hydronium ion concentration is 1.0 × 10-8 mole per liter. What is the hydronium io
Oduvanchick [21]
You must know and use the formula for pH.


pH = - log [H3O+], where [H3O+] is the molar concentration of hydronium ion.


So, when pH is 8.0 => 8.0 = - log [H3O+] and you can use antilogarithm (the inverse function of logarithm) to find [H3O+], in this way:


[H3O+] = 10^-8 = 1 * 10 ^-8 M


When, pH = 7.0 =>

7.0 = - log [H3O+] => [H3O+] = 1 * 10^ -7 M


Answer: 1*10^-7 mole / liter
5 0
3 years ago
How does energy change form when friction causes the temperature of an object to increase?
Oksanka [162]
I believe the answer would be through the movement of the molecules, the higher the temperature the more the molecules move around and vibrate.
7 0
3 years ago
HELP LAST QUESTION WILL MAKE BRAINLIEST
Alenkasestr [34]

Answer:

I think it is C.)????

4 0
3 years ago
What are the conditions for evaporation?
SashulF [63]

Answer:

For evaporation you need a warm, preferably humid temperature. The rate of evaporation increases with an increase in temperature. A windy climate is best, as wind helps to remove the evaporated water vapour, and therefore creating a better scope for evaporation to continue. The speed of wind is important for evaporation because the wind pulls in dry air, increasing the rate of evaporation.

Short Answer- Hot and humid temperature, lots of wind speed.

4 0
2 years ago
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