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3 years ago

If you throw a ball straight up into the air, when is the kinetic energy the greatest?

Chemistry

2 answers:

skad [1K]3 years ago

8 0

Answer: when its in the air

Explanation:

please brainliest me

Aneli [31]3 years ago

5 0

As you can see, when a ball is thrown at an angle, it never reaches a point where its kinetic energy is 0. However, some of its kinetic energy does become potential energy, and potential energy is at a maximum when the ball reaches its highest point. I hope that helps, have a amazing day and God bless! :)

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When an ionic compound dissolves in water, the individual ions first leave the crystal lattice and then each ion becomes surroun

vichka [17]

The entropy of the process in which the individual ions first leave the crystal lattice is positive while the entropy of the process whereby the each ion becomes surrounded by a cluster of polar water molecules is negative.

<h3>What is entropy?</h3>

The term entropy has to do with the degree of disorder in a system. The higher the entropy of the system, the more the disorderliness of the system.

Now, the entropy of the process in which the individual ions first leave the crystal lattice is positive while the entropy of the process whereby the each ion becomes surrounded by a cluster of polar water molecules is negative.

Learn more about entropy: brainly.com/question/13146879

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2 years ago

1.) is H2SO4 a sulfuric acid or a sulfurous acid?

Lorico [155]

1) is sulfuric acid
2)is nitrous acid
3)is hydrochlorous acid
4)is hydrobromous acid
5)is hydrophosphoric acid
6)is fluoric acid
7)is sulfuric acid
8)is chlorous acid
9)is nitric acid
10)is iodic acid
11)is acetous acid
12)is chlorous acid.

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3 years ago

2CuS + 3O2 = 2CuO + 2SO2

Nata [24]

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3 years ago

Electromagnetic forces are the predominant force in holding what subatomic particles together?

vova2212 [387]

<span><span><span> </span><span>The strong forces oppose the electromagnetic force of repulsion between protons. Like ”glue” the strong force keeps the protons together to form the nucleus. </span>· The strong forces and electromagnetic forces both hold the atom together.</span><span> </span></span>

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3 years ago

Which answer is an isotope of 40/20x? <br><br> Question Pictured here:

Nesterboy [21]

An isotope of ₂₀⁴⁰X ⇒₂₀⁴⁴X

<h3>Further explanation </h3>

The elements in nature have several types of isotopes

Isotopes are atoms that have the same number of protons and a different number of neutrons.

So Isotopes are elements that have the same Atomic Number (Proton)

In the following element notation,

$\large {{{A} \atop {Z}} \right X}$

X = symbol of elemental atom

A = mass number

= number of protons + number of neutrons

Z = atomic number

= number of protons = number of electrons, on neutral elements

For symbol of isotope X :

₂₀X⁴⁰ : atomic number = 20, mass number = 40

A. ₄₀²⁰X : atomic number = 40, mass number = 20, neutrons=20

B. ₂₀⁴⁰X²⁺ : atomic number = 20, mass number = 40, neutrons=20

C. ₂₁⁴⁰X : atomic number = 21, mass number = 40, neutrons=19

D. ₂₀⁴⁴X : atomic number = 20, mass number = 44, neutrons=22

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3 years ago