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Step2247 [10]
2 years ago
14

Where do the majority of volcanoes occur?

Chemistry
1 answer:
galben [10]2 years ago
4 0
It’s probably b they are mostly near water
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. Calculate the pH of a solution made by dissolving 1.87 g of sodium caproate, NaC6H11O2, Kb =
scoray [572]

Answer:

Hindi ko po alam pero subukan ko pong sagutan yan

8 0
2 years ago
In the reaction 2H2 + O2 → __H2O, what coefficient should be placed in front of H2O to balance the reaction?
Westkost [7]
I would try the answer A

4 0
3 years ago
Read 2 more answers
What is the mass of carbon in 290 g of CO2?
Elis [28]

Answer:

The mass of CO22 in total is 264 g.

The atomic mass for C is 12 g / mole.

The molar mass for CO22 is (12 + (2 × 16)) = 44 g / mole.

m C = (12 / 44) × 264 = 72 g

So, there are 72 g of C in 264 g of CO2

Explanation:

there's the answer have a good day.

4 0
3 years ago
A gas sample has volume 3.00 dm3 at 101
gavmur [86]

Answer:

V₂ = 21.3 dm³

Explanation:

Given data:

Initial volume of gas = 3.00 dm³

Initial pressure = 101 Kpa

Final pressure = 14.2 Kpa

Final volume = ?

Solution;

The given problem will be solved through the Boly's law,

"The volume of given amount of gas is inversely proportional to its pressure by keeping the temperature and number of moles constant"

Mathematical expression:

P₁V₁ = P₂V₂

P₁ = Initial pressure

V₁ = initial volume

P₂ = final pressure

V₂ = final volume  

Now we will put the values in formula,

P₁V₁ = P₂V₂

101 Kpa × 3.00 dm³ = 14.2 Kpa × V₂

V₂ = 303 Kpa. dm³/  14.2 Kpa

V₂ = 21.3 dm³

Explanation:

3 0
2 years ago
Help Light reflecting from the aluminum coating on a CD ____________ and then interferes.
adelina 88 [10]

Answer:

Reflection

Hope it will help you

8 0
2 years ago
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