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vfiekz [6]
4 years ago
6

HELP ME PLEASE PLEASE SKSKSKSKKSKSKSKSKKS

Chemistry
1 answer:
svlad2 [7]4 years ago
8 0
#2 It gives out more energy :)
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Calcium carbonate is most likely to dissolve in water with which characteristics?
Marysya12 [62]

Calcium carbonate is most likely to dissolve in water with:

e. Lots of Carbon dioxide and colder temperature.

Explanation:

  • Calcium carbonate is very sparingly soluble in water. However, it has been observed to dissolve in cold water with higher concentration of Carbon dioxide.
  • The reason behind the observation is the formation of Calcium bicarbonate which is soluble in water.
  • Higher concentration of Carbon dioxide in water turns it acidic. When this acidic water reacts with calcium carbonate it forms Calcium bicarbonate which is soluble in water.
  • So,Calcium carbonate is most likely to dissolve in water with lots of Carbon dioxide and colder temperature.
4 0
3 years ago
The atomic number of nitrogen is 7. The mass is 14.01. This means that a) All nitrogen atoms have exactly 7 neutrons b) A small
adelina 88 [10]
This means that there are 7 protons in the nucleus of a nitrogen atom. 
5 0
3 years ago
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All molecules have the same kinetic energy and hence the same speed.<br><br> O True<br><br> O False
topjm [15]
False...their speed differs
4 0
3 years ago
A red car and a black car begin to accelerate from rest at the same time. The red car accelerates at a constant rate of 3 meters
Vladimir79 [104]

That car moves or accelerates faster which has the higher speed.

If the red car accelerate at higher speed than black car then the red car reach first on the destination but if the black car moves with higher speed than red car then the black car reach its destination earlier than the red car.

The conclusion can be drawn when the image is present or any data but there is no data or image present which provides us accurate information so we can conclude logically that car which moves at higher speed will move faster than the other car.

Learn more: brainly.com/question/25525382

8 0
3 years ago
Explain why there is an increase in successive ionization energy of fluorine?​
kogti [31]

Answer:

Successive ionization energies increase because for the same nuclear charge (positive pull of the nucleus) there are fewer electrons each time one is removed, thus more energy is required to remove successive electrons. ... Large increases in IE like this indicate changes in the main energy levels of the atom

Explanation:

~Hope this helps

3 0
3 years ago
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