Which best explains why nuclear reactions release more energy than chemical reactions?The forces holding the nucleus together are much stronger than the forces binding electrons to atoms.
Protons have a much higher mass and energy than either neutrons or electrons.
During a chemical reaction, some of the mass of the reactants is converted to energy.
In nuclear reactions, all neutrons are converted to energy.

Answers

Answer 1

Answer: I think the best answer is the first statement. The forces holding the nucleus together are much stronger than the forces binding electrons to atoms. Breaking the former bonds are releases more energy than breaking bonds in a chemical reaction.

Answer 2

Answer:

Answer:

the asnwer i know for a fact is between A and C but its A

Explanation:

we know B and D are wrong for sure so its left in between A and C but

A its the one that make sense most : )

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How reactive is the element iodine.

Answers

Answer:

Not too reactive

Explanation:

Iodine is a halogen and is reactive, but it is significantly less reactive than other halogens like chlorine, bromine, and fluorine.

Which solution has the greatest buffer capacity?

Answers

There isn't any scale that directly measures buffering capacity, but as a rule, buffering capacity increases as the concentrations of the acid/base and its conjugate in solution increases. Therefore, the solution with greatest buffering capacity will have the highest concentrations of acid/base pairs.

Buffer capacity is defined as the capacity of a buffer to resist changes in pH upon addition of an acid or a base. The buffer capacity is high when the concentration of the acid and its conjugate base is high, and the pH of the solution is near the pKa value of the weak acid.

The greater the buffer capacity, the better it can resist pH changes upon addition of an acid or base. The buffer capacity of a solution is highest when the pH is near the pKa value of the weak acid.

A buffer is a solution that has the ability to resist changes in pH upon the addition of an acid or base. The buffer capacity is highest when the pH of the buffer is close to the pKa of the weak acid component in the buffer. Therefore, the buffer capacity is the highest when the pH is equal to the pKa value of the weak acid.

Therefore, the solution with the greatest buffer capacity is the one with the highest concentration of both the weak acid and its conjugate base, which can resist the changes in pH with the addition of an acid or base.

Answers

Answer: The radiation that is emitted from the above process is alpha particle.

Explanation:

Alpha decay is defined as the process in which alpha particle is emitted. In this process, a heavier nuclei decays into a lighter nuclei. The alpha particle released carries a charge of +2 units. The released alpha particle is also known as helium nucleus.

$_Z^A\textrm{X}\rightarrow _(Z-2)^(A-4)\textrm{Y}+_2^4\alpha$

Beta decay is defined as the process in which beta particle is emitted. In this process, a neutron gets converted to a proton and an electron. The released beta particle is also known as electron.

$_Z^A\textrm{X}\rightarrow _(Z+1)^A\textrm{Y}+_(-1)^0\beta$

Gamma decay is defined as the process in which an unstable nuclei gives off excess energy by a spontaneous electromagnetic process and thus releases $\gamma -radiations$ .

These radiations does not carry any charge and are electrically neutral.

$_Z^A\textrm{X}^*\rightarrow _Z^A\textrm{X}+_0^0\gamma$

The chemical equation for the decay of polonium-212 isotope follows:

$_(84)^(212)\textrm{Po}\rightarrow _(82)^(208)\textrm{Pb}+_2^4\alpha$

Hence, the radiation that is emitted from the above process is alpha particle.

A. An alpha particle.

Hope this helps :) ~

The compound C3H6 can react with bromine. Write an equation for this reaction and name the product formed. State the visible change which accompanies the reaction.

Answers

Answer:

C3H6 + Br2 = C3H6Br2

The product formed is 1,2-dibromopropane.

The red-brown color of the bromine disappears, leaving a colorless liquid

Explanation:

C3H6 + Br2 = C3H6Br2

The product formed is 1,2-dibromopropane.

This is a direct addition reaction. The one molecule of bromine (Br2) joins the organic compound C3H6 to form one molecule of C3H6Br2.

This seemed unlikely at first, but one must look more closely at the C3H6. This is not a straight alkane (e.g., propane). Propane has the formula C3H8:

H3-C-C2-CH3

The molecule C3H6 is propylene (or propene). It has a double bond between two carbons.

H3-CH-CH=CH2

The compound in the question is propylene. When exposed to bromine, the carbon double bond breaks and a bromine atom is attached to each carbon:

H3-CH-CH=CH2 + Br2 = H3-CH-CHBr-CHBr

When propene reacts with bromine, the red-brown color of the bromine is lost and the product is a colorless liquid.

Which words list the correct order of activated neurons in a reflex arc?

Answers

Here is the correct order of activated in a reflex arc.
(1) Receptor: where stimulus action is.
(2) Sensory Neuron: responisble of transmitting afferent impulses to the central nervous system.
(3) Integration Center: Sensory impulse to motor impulse; Direct (monosynaptic) or polysynaptic region in CNS.
(4) Motor Neuron: Efferent impulses from integration center to effector.
(5) Effector: Muscle fiber or gland cell that responds to the efferent impulses.

Answer:

1. Receptor: where stimulus action is.

2. Sensory Neuron: responsible of transmitting afferent impulses to the central nervous system.

3. Integration Center: Sensory impulse to motor impulse; Direct (monosynaptic) or polysynaptic region in CNS.

4. Motor Neuron: Efferent impulses from integration center to effector.

5. Effector: Muscle fiber or gland cell that responds to the efferent impulses.

B. receptor, sensory, interneuron, motor, effector

Which of the following is a TRUE statement?a.
A molecule always has three types of elements present

b.
Compounds always include the elements hydrogen and sodium

c.
Compounds include things we use in our everyday lives

d.
All elements prefer to hang out with other elements and form molecules

Answers

The true statement among the following options is c. As the substances which we use are compounds.

Compound is defined as a chemical substance made up of identical molecules containing atoms from more than one type of chemical element.

Molecule consisting atoms of only one element is not called compound.It is transformed into new substances during chemical reactions. There are four major types of compounds depending on chemical bonding present in them.

Compounds include things we use in our everyday lives.Compounds are substances composed of two or more different elements chemically combined in a fixed ratio by weight. They are everywhere in our daily life, from food to electronics. For example, table salt is a compound that we use to enhance the flavor of our food.

Thus, the correct option is C.

Learn more about compounds,here:

brainly.com/question/14117795

#SPJ3

It is going to be B is B is it

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