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Marysya12 [62]
3 years ago
6

What are they waiting? or what are their waiting?please correct me if I'm wrong​

Chemistry
1 answer:
kiruha [24]3 years ago
3 0
Hm I’m confused, if you mean what are they weighting, it’s they :)
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g Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no r
Mrac [35]

Answer:

CuBr₂(aq) + Pb(CH₃COO)₂(aq) → Cu(CH₃COO)₂(aq) + PbBr₂ (s)↓

Explanation:

We identify the reactants:

CuBr₂ and Pb(CH₃COO)₂

The products will be: Cu(CH₃COO)₂ and PbBr₂

You may know these information:

Salts from acetate are soluble.

Bromide can make solid salts with these cations: Ag⁺, Pb²⁺, Hg₂²⁺, Cu⁺

PbBr₂ is formed, so this will be our precipitate

The equation is:

CuBr₂(aq) + Pb(CH₃COO)₂(aq) → Cu(CH₃COO)₂(aq) + PbBr₂ (s)↓

8 0
2 years ago
3. How many moles in 28 grams of CO2?
Burka [1]

Answer:

0.636 moles

Explanation:

6 0
2 years ago
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Explain and define the angular momentum quantum number without the internet
brilliants [131]

Answer:

The angular momentum quantum number, l, describes the shape of the orbital that an electron occupies. The lowest possible value of l is 0, and its highest possible value, depending on the principal quantum number, is n - 1.

4 0
2 years ago
How does increasing pressure affect the rate of reaction between gases?
Elina [12.6K]

Answer:

B, increases rate of collisions

Explanation:

7 0
2 years ago
A substance that reduces the hydrogen ion concentration of a solution is __________.
ioda

A substance that reduces the hydrogen ion concentration of a solution is  <u>base</u>.

A base which thus completely dissociates in an aqueous solution is referred to as a strong base. These substances produce one or more hydroxide ions (OH-) per base molecule when they ionize in water. A weak base, on the other hand, only partially splits into its water-soluble ions.

The three definitions of "base" used in chemistry are Arrhenius base, Bronsted base, as well as Lewis base. The fact instead that bases react towards acids is acknowledged by all base definitions.

Therefore, a substance that reduces the hydrogen ion concentration of a solution is <u>base</u>.

To know more about hydrogen ion

brainly.com/question/5327882

#SPJ4

8 0
2 years ago
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