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rewona [7]
4 years ago
13

CHEM FINAL PLEASE HELP This is? alkene aromatic hydrocarbon alkyne alkane

Chemistry
1 answer:
juin [17]4 years ago
3 0

Answer:

It is alkyne

Explanation:

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The pH of a solution prepared by the addition of 100mL 0.002M HCL to 100mL distilled water is closest to:
IRISSAK [1]

Answer:

d.3.0

Explanation:

Step 1: Calculate the final volume of the solution

The final volume is equal to the sum of the volumes of the initial HCl solution and the volume of distilled water.

V₂ = 100 mL + 100 mL = 200 mL

Step 2: Calculate the final concentration of HCl

We will use the dilution rule.

C₁ × V₁ = C₂ × V₂

C₂ = C₁ × V₁/V₂ = 0.002 M × 100 mL/200 mL = 0.001 M

Step 3: Calculate the pH of the final HCl solution

Since HCl is a strong acid, [H⁺] = HCl. We will use the definition of pH.

pH = -log [H⁺] = -log 0.001 = 3

7 0
3 years ago
Which of the following reactions is a double displacement reaction? A) HCI (9) - Hz (g) + Cl2 (9) B) HCI (aq) + NaOH (aq) - H2O
Marianna [84]

Answer:

HCI (aq) + NaOH (aq) --> H2O (l) + NaCl (aq)

Explanation:

A double displacement reaction is a type of reaction where two reactants exchange ions to form two new compounds. Here we can see that both the acid and the base exchanged an ion each to for salt and water, 2 new products.

5 0
3 years ago
The size of camphor kept in store house gradually decrease in size after few а days? ​
zzz [600]

Answer:

Because it goes through the process of sublimation.

Explanation:

4 0
3 years ago
1. Mixing is a physical change.<br> True or false
Hitman42 [59]

Answer:

true

Explanation:

if u mix it can explode which is a chemical reaction

5 0
3 years ago
Read 2 more answers
Examine the reactants of the incomplete double displacement reaction.
Elza [17]
<h3>Answer:</h3>

The products of the reaction are; AgCl and  NaNO₃

<h3>Explanation:</h3>

In this question we need to know what is a double displacement reaction;

  • A double displacement is a type of replacement reaction in which salts or ionic compounds exchange cations and anions to form new compounds as the products.
  • In this case, the complete double replacement reaction is;

AgNO₃(aq) + NaCl(aq) → AgCl(s) + NaNO₃(aq)

  • The reaction is also a precipitation reaction as it forms a precipitate as one of the products that is silver chloride (AgCl).
  • Therefore, the products of the reaction are; AgCl and  NaNO₃
5 0
4 years ago
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