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2 years ago

What is a sentence for weathering

Chemistry

2 answers:

bija089 [108]2 years ago

7 0

These rocks were either roasted or exposed to severe weathering

Svet_ta [14]2 years ago

6 0

Due to the weathering of the rock, the childrens' playground started turning into soil.<span>Due to the weathering of the rock, the childrens' playground started turning into soil.</span>

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What is meant by the following statement?<br><br> "Inertia is directly proportional to mass."

Tju [1.3M]

It means that as the inertia increases, this allows the mass to increase as well.

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2 years ago

What is the concentration of 60 mL of H3PO4 if it is neutralized by 225 mL of 2 M Ba(OH)2?

goldfiish [28.3K]

7.5 M is the concentration of 60 ml of H3PO4 if it is neutralized by 225 ml of 2 M Ba(OH)2.

Explanation:

Data given:

volume of phosphoric acid, Vacid =60 ml

volume of barium hydroxide, Vbase = 225 ml

molarity of barium hydroxide, Mbase = 2M

Molarity of phosphoric acid, Macid =?

the formula for titration is used as:

Macid x Vacid = Mbase x Vbase

rearranging the equation to get Macid

Macid = $\frac{Mbase x Vbase}{Vacid}$

Macid = $\frac{225 X 2}{60}$

Macid = 7.5 M

the concentration of the phosphoric acid is 7.5 M and the volume is 60 ml. Thus 7.5 M solution of phosphoric acid is used to neutralize the barium hydroxide solution of 2M.

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2 years ago

Read 2 more answers

A student spends 4.5 hours studying for a test. How much time is this equivalent to in seconds

ivanzaharov [21]

The answer is: b)16,200 seconds :)

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2 years ago

What would happen if the cell cycle stopped in a multicellular organism

oksano4ka [1.4K]

The organism would no longer grow.

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2 years ago

A voltaic cell is constructed using the following half-reactions: Ag+(aq) + e- ---> Ag(s) EoAg+ = +0.80 V Cu2+(aq) + 2e- ---&

Anton [14]

- Standard reduction potential of Ag/Ag⁺ is 0.80 v and that of Cu⁺²(aq)/Cu⁰ is +0.34 V.
- The couple with a greater value of standard reduction potential will oxidize the reduced form of the other couple.
Ag⁺ will be reduced to Ag(s) and Cu⁰ will be oxidized to Cu²⁺
Anode reaction: Cu⁰(s) → Cu²⁺ + 2 e⁻ E⁰ = +0.34 V
Cathode reaction: Ag⁺(aq) + e → Ag(s) E⁰ = +0.80 V
Cell reaction: Cu⁰(s) + 2 Ag⁺(aq) → Cu⁺²(aq) + 2 Ag⁰(s)
E⁰ cell = E⁰ cathode + E⁰ anode
= 0.80 + (-0.34) = + 0.46 V

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2 years ago