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Paladinen [302]
4 years ago
12

Please help!!! ill mark u brainly

Chemistry
1 answer:
Musya8 [376]4 years ago
8 0

Answer: I say it is A sorry if I'm incorrect

Explanation:

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What is the term for the number of protons in the nucleus of each atom of an element?
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Answer:

atomic number

Explanation:

atomic number is the number of protons

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How is a lithium atom (Li) different from a lithium ion (Li+)
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(Li) has fewer electrons than (Li+)

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How many milliliters of 0.0050 N KOH are required to neutralize 41 mL of 0.0050 M H2SO4?
Kipish [7]

Answer:

V KOH = 41 mL

Explanation:

for neutralization:

  • ( V×<em>C </em>)acid = ( V×<em>C </em>)base

∴ <em>C </em>H2SO4 = 0.0050 M = 0.0050 mol/L

∴ V H2SO4 = 41 mL = 0.041 L

∴ <em>C</em> KOH = 0.0050 N = 0.0050  eq-g/L

∴ E KOH = 1 eq-g/mol

⇒ <em>C</em> KOH = (0.0050 eq-g/L)×(mol KOH/1 eq-g) = 0.0050 mol/L

⇒ V KOH = ( V×<em>C </em>) acid / <em>C </em>KOH

⇒ V KOH = (0.041 L)(0.0050 mol/L) / (0.0050 mol/L)

⇒ V KOH = 0.041 L

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3 years ago
What type of energy is the sun of an objects potential and kinetic energy
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All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation is one way to transfer heat.

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Which pair of elements form an ionic bond?
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Answer:

As an example I can say sodium (Na) and chlorine (Cl).

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An ionic bond occurs when a metal element reacts with a nonmetal element. Therefore in the answer given above the Na is metal and Cl is nonmetal and they form a molecule through ionic bonding.

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