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larisa86 [58]
3 years ago
14

PLZZZ HELP!!! A chemist has synthesized a heavy element in the laboratory and found that it had this electron configuration:

Chemistry
1 answer:
Hitman42 [59]3 years ago
5 0

Answer:

Darmstadtium! Happy to help! :)

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Solid solution of a metal or nonmetal dissolved in a metal
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An alloy is the solid solution of a metal or non-metal dissolved in a metal.
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3 years ago
write down the name and molecular formula of the compound which gives hydrogen ion and chloride ion in the solution state. ​
Reptile [31]

Answer:

Hydochloric acid

HCl

Explanation:

Hydrochloric acid is an acid and ionizes to form hydrogen and chloride ions.

The name of the compound that gives hydrogen ion and chloride ions in the solution state is Hydrochloric acid.

Hydrochloric acid is made up of one atom of hydrogen and 1 atom of chlorine. We can also say, it is made up of 1 mole of hydrogen and 1 mole of chlorine.

 The formula of this compound is HCl;

 In solution:

               HCl_{aq}    →   H⁺    +    Cl⁻  

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2 years ago
Pls help Combustion is commonly referred to as _____.
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Answer:

Combustion is a chemical reaction in which a substance reacts with air to form energy.

Explanation:

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7 0
2 years ago
What is the pH of a solution after the addition of 30.0 mL of 0.100 M NaOH to 50.0 mL of 0.10 M HBr?
Pani-rosa [81]

Answer:

pH = 1.6

Explanation:

  • HBr + NaOH ⇒ NaBr + H2O

0 mL NaOH:

  • HBr ↔ H3O+  +  Br-

⇒ [ H3O+] = M HBr = 0.1 M

⇒pH = -log [H3O+] = 1

30 mL NaOH:

⇒ mol NaOH = 0.1 mol / L * 0.03 L =  3 E-3 mol

⇒ mol HBr = 0.05 L * 0.1 mol/L = 5 E-3 mol

⇒ M HBr = ( 5 E-3 mol - 3 E-3 mol) / 0.08 L = 0.025 M

⇒ pH = - log (0.025) = 1.6

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2 years ago
An illegal drug stimulates the parasympathetic nervous system, causing the user to appear tranquilized. What could indicate to a
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