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3 years ago

Which of the following statements is true about the nucleus?

Chemistry

2 answers:

vlabodo [156]3 years ago

7 0

Answer: option d i think

Explanation:

luda_lava [24]3 years ago

6 0

Answer:

B) Only the strong nuclear force holds the nucleus together

Explanation:

Nuclei are held together by the Strong nuclear force, this is a force that binds together the protons to the neutrons in the nucleus, the strong nuclear force has a field force the size of the nucleus and then it works as a repulsive force towards the electrons.

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The bond dissociation energy to break 4 bond(s) in 1 mole of CH₄ molecules is:_____ **Any help would be greatly appreciated!**

frozen [14]

Answer:

The bond dissociation energy to break 4 bonds in 1 mol of CH is 1644 kJ

Explanation:

Since there are 4 C-H bonds in CH₄, the bond dissociation energy of 1 mol of CH₄ is 4 × bond dissociation energy of one C-H bond.

From the table one mole is C-H bond requires 411 kJ, that is 411 kJ/mol. Therefore, 4 C-H bonds would require 4 × 411 kJ = 1644 kJ

So, the bond dissociation energy to break 4 bonds in 1 mol of CH₄ is 1644 kJ

5 0

3 years ago

Predict, using Boyle’s Law, what will happen to a balloon that an ocean diver takes to a pressure of 202 kPa (normal atmospheric

kaheart [24]

Explanation:

Balloon that an ocean diver takes to a pressure of 202 k Pa will get reduced in size that is the volume of the balloon will get reduced. This is because pressure and volume of the gas are inversely related to each other.

According to Boyle's law: The pressure of the gas is inversely proportional to the volume occupied by the gas at constant temperature(in Kelvins).

$pressure\propto \frac{1}{volume}$ (At constant temperature)

The pressure beneath the sea is 202 kPa and the atmospheric pressure is 101.3 kPa . This increase in pressure will result in decrease in volume occupied by the gas inside the balloon with decrease in size of a balloon. Hence, the size of the balloon will get reduced at 202 kPa (under sea).

7 0

3 years ago

a lab is performed to do the study of pH and heat on the function of the catalase enzyme found in carrot plants. what would be c

ad-work [718]

It would be the ph and heat

3 0

3 years ago

Which term describes the weather in an area over a long period of time?

3241004551 [841]

Answer:

climate

Explanation:

causes it happens over a long period of time

6 0

3 years ago

Can you subscribe to me on yt my channel is BigBoss Games

Free_Kalibri [48]

Answer:

yes i did really good channel

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3 years ago