In a given chemical reaction, the energy of the products is less than the energy of the reactants. Which statement is true for this chemical reaction?

Answers

Answer 1

Answer: The answer is that, the reactants lose energy to the sorrounding during the reaction. This makes the products have less energy than the reactants that combined to produce them.

Answer 2

Answer:

Answer:

The correct answer is B

Explanation:

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What would probably happen if you poured a liquid onto a solid table

Answers

The water would just spread out on the table mainly because of van der waal forces, but it would stop eventually because of surface tensile forces.

What is surface tension?

Surface tension is a force which tends to maintain the tension in water surface due to surface tension insects moves on the surface of water. It is a force which act in outward direction. S.I unit of surface tension is Newton-meter.

Surface tension is a physical quantity which is vector quantity i.e it has both magnitude and direction.

Mathematically,

Surface tension is reciprocal of force per unit length it means that force which act in a one meter length is called surface tension.

Force is defined as a phenomena which try to displace any object or it try to move an object from one point to another point. S.I unit of force is Newton. It is vector quantity i.e it has a both magnitude and direction.

Therefore,The water would just spread out on the table mainly because of van der waal forces, but it would stop eventually because of surface tensile forces.

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The water would just spread out on the table mainly because of van der waal forces, but it would stop eventually because of surface tensile forces.

Which property is a measure of the average kinetic energy of the particles in a sample or matter?(1) mass (2) density (3) pressure (4) temperature

Answers

The temperature of a sample of matter is the macroscopic manifestation
of the average kinetic energy of its constituent particles.

That's choice-(4) .

The _____ is the organelle that recycles unneeded molecules is the answer vacuole, mitochondria, or lysosome

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Answer: Lysosomes

Explanation: The lysosome is an organelle that contains digestive enzymes and acts as the organelle-recycling facility of an animal cell. It breaks down old and unnecessary structures so their molecules can be reused. Lysosomes are part of the endomembrane system, and some vesicles that leave the Golgi are bound for the lysosome.

the answer is lysosome

Give examples of areas in which advances in genetics are important

Answers

Advances in genetics are important in several areas. Genetics are important in the combating and prevention of diseases. Also, areas in which advances in genetics are important are agriculture, health, and medicine.

What is the total number of electrons that can occupy the f sub level

Answers

Answer:

14 electrons can occupy the f sub level

Explanation:

Electronic configuration is the short representation which we use to represent the structure of an atom.

Atomic number of phosphorus is 15 so it has 15 electrons.

The electronic configuration of Phosphorus is given as $1s^2 2s^2 2p^6 3s^2 3p^3$

Here the superscript number represents the electrons 2 + 2 + 6 + 2 + 3 = 15 electrons of Phosphorus

Orbital diagram too is used for this purpose.

A circle or a square is used to represent an orbital.

This is the orbital diagram of Radon (atomic number -86)

Each orbital occupies 2 electron.

Shells are named using letters K, L, M, N and so on or using numbers 1, 2, 3, 4 etc.,

The number of electrons, a shell can accommodate is found using formula $2n^2$ where n is the number of the shell.

Shell 1 contains subshell s

Shell 2 contains subshell s, p

Shell 3 contains subshell s, p, d

Shell 4 contains subshell s, p, d, f

Subshells or sub level are represented by letters s, p, d, f, g, h, i and so on.

s contains 1 orbital with 2 electrons

p subshell contains 3 orbital with 6 electrons

d with 5 orbitals and 10 electrons

f with 7 orbitals and 14 electrons.

(Answer)

Answer:

14 Electrons

Explanation:

I know because I know

What property of nonmetals can be determined using a flashlight?

Answers

Light shining through the less dense material.

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What is the answer to question 5??

Some land plants have evolved specialized vascular tissues that have allowed them to thrive on land. The developement of these structures was necessary becauseLand plants need to extract water from the ground and move it to the other structures of the plant. Land plants need to be tall and the vascular tissues are what provide rigidity to the plant’s cells. Land plants need to photosynthesize and the vascular tissues is where this process occurs. Land plants don’t really need these structures as they can absorb water from the air through their leaves.