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klasskru [66]
3 years ago
7

Please help with this question!

Chemistry
1 answer:
Alex17521 [72]3 years ago
6 0

Answer:

A) potential energy is stored energy. Kenetic energy is energy of motion.

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Cómo podemos aplicar los conocimientos químicos a nuestra vida cotidiana?
lianna [129]
Cause of imagination
저 하늘의 오렌지빛 마법이 끝이 나기 전에
'Cause of imagination 그 찰나에
Can you feel the rush? Can you feel the rush?
시간아 멈춰줘
I wanna stay, hey (Can you feel the rush? Can you feel the rush?)
두 세계의 경계선 그 틈에 너와 나를 남기고파 (Come on, let's do it)
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개와 늑대의 그 시간엔 마법 속에 갇히고파 (Blue hour!)
7 0
3 years ago
An aqueous solution of blue copper(II) ions can react with chloride ions to form a yellow copper compound. The ionic equation fo
klio [65]
Since the forward reaction is endothermic (heat is consumed in the reaction) that means that the enthalpy change for the forward reaction is a positive value.
Therefore, i would say that the reverse or backward reaction is exothermic (heat is released in the reaction to the sorroundings) and that the enthalpy change is a negative value.
5 0
3 years ago
Conductors have(blank) <br> resistance.<br><br> Moderate. <br> Very High. <br> Very low.
Flura [38]

Answer:

<em>The correct option is C) Very low</em>

Explanation:

In physics, resistance can be described as the opposition to the flow of current or the flow of electrons. Conductors are known to be materials which can conduct electricity. Hence, conductivity and resistance are opposite to each other. Good conductors will have very little or no resistance and will have enhanced conductivity. On the contrary, insulators are materials which will have more resistance and they cannot conduct electricity as efficiently.

3 0
3 years ago
A 1.0 × 10−3 mol/dm3 solution of hydrochloric acid has a pH of 3.0
vivado [14]

Answer:

5

Explanation:

pH = -log[OH]

pH = -log[1.0 x 10–5]

pH = -log[10–5]

pH = -(-5)log10

pH = +5

8 0
2 years ago
Choose the correct answer. The difference between the mass number of an isotope and its atomic number is (a) directly related to
kicyunya [14]

Answer : The correct answer is, (c) the number of neutrons

Explanation :

Isotope : It is defined as the element that have the same number of protons but have the different number of neutrons of each of the atom.

Atomic number is defined as the number of protons or number of electrons.

Atomic number = number of protons = number of electrons

Mass number is defined as the sum of number of protons and number of neutrons.

Number of neutrons = Mass number - Atomic number

For example : For Carbon - 13 isotope.

Mass number = 13

Atomic number = 6

Number of neutrons = Mass number - Atomic number

Number of neutrons = 13 - 6 = 7

Hence, the difference between the mass number of an isotope and its atomic number is the number of neutrons.

6 0
3 years ago
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