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Otrada [13]
3 years ago
6

A word equation is commonly used for describing a:

Chemistry
1 answer:
Kipish [7]3 years ago
6 0

the answer is B because I jus did that

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What measurement is the radius of the atom?
Oduvanchick [21]

Answer:

The atomic radius (r) of an atom can be defined as one half the distance (d) between two nuclei in a diatomic molecule. Atomic radii have been measured for elements. The units for atomic radii are picometers, equal to 10−12 meters

5 0
3 years ago
Like all equilibrium constants, Kw varies somewhat with temperature. Given that Kw is 3.31 × 10−13 at some temperature, compute
Artyom0805 [142]
Since Kw= [H⁺][OH⁻], and the concentration of both substances are the same, the equation is now Kw=[H⁺]²
So,
3.31x10⁻¹³ = [H⁺]²
Take the square root= 5.75x10⁻⁷
Then take the negative log to find the pH:
-log(5.75x10⁻⁷) = 6.25
5 0
3 years ago
What mass of water is required to react completely with 157.35 g CO2? (Molar mass of H2O = 18.02 g/mol; molar mass of CO2 = 44.0
Ghella [55]

You must use 64.43 g H₂O.

<em>Balanced chemical equation</em>: H₂O + CO₂ → H₂CO₃

<em>Moles of CO₂</em> = 157.35 g CO₂ × (1 mol CO₂/44.01 g CO₂) = 3.5753 mol CO₂

<em>Moles of H₂O</em> = 3.5753 mol CO₂ × (1 mol H₂O/1 mol CO₂) = 3.5753 mol Fe

<em>Mass of H₂O</em> = 3.5753 mol H₂O × (18.02 g H₂O /1 mol H₂O) = 64.43 g H₂O

6 0
3 years ago
Read 2 more answers
The pH of an acidic solution is 2.11. What is [H⁺]
BartSMP [9]

Answer:

denotes the molar hydrogen ion concentration

Explanation:

3 0
3 years ago
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How does lacquer thinner work chemically?
Anton [14]
Have a nice day today
8 0
3 years ago
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