Which of the following most likely happens when thermal energy is removed from a chemical reaction? rate of reaction becomes faster fewer collisions occur between particles the temperature of the reaction increases particles start moving at greater speeds than before

Option (b) is the correct answer.

Explanation:

The energy of particles or molecules within an object is known as thermal energy. This energy is the kinetic energy of particles due to which particles collide with each other and results in the increase of rate of reaction.

So, when thermal energy is removed from a chemical reaction then it means there will be decrease in kinetic energy of molecules. Hence, there will be less number of collisions thus, there will be decrease in rate of reaction.

Therefore, we can conclude that when thermal energy is removed from a chemical reaction hence fewer collisions occur between particles.

it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.

an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.

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the best answer is d because the strong cohesion is caused by the ability of water molecules to undergo hydrogen bonding.

a is incorrect because when water solidifies, it becomes   ice, which expands and occupies a bigger volume for the same mass of water in its liquid state.

b is incorrect because water has high surface tension. besides bonding to itself it hydrogen bonds to other molecules at the top decreasing possibility for breaking of attractive forces.

c is incorrect because the water molecule has oxygen which is highly electronegative and so pulls the electron pair towards itself creating a dipole moment, making the molecule polar.

e is incorrect because water has strong adhesion, ability to stick to other molecules such as glass because of this molecules having stronger hydrogen bonding than water.