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suter [353]
3 years ago
12

Please help question in the picture

Chemistry
2 answers:
bogdanovich [222]3 years ago
6 0

Goto ----> prize.gg to claim your robux PRIZE!!!!

mezya [45]3 years ago
4 0
Charged as used I think
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Solid barium sulfate dissolves into its respective ions at 25°C. Suppose that in a particular solution, [Ba2+ ] = 1.76 x 10-3 M.
ale4655 [162]
BaSO₄(s) ⇄ Ba²⁺(aq) + SO₄²⁻(aq)

Ksp=[Ba²⁺][SO₄²⁻]

[Ba²⁺]=[SO₄²⁻]

Ksp=[Ba²⁺]²

Ksp=(1.76*10⁻³)² =3.0976×10⁻⁶ ≈3.1×10⁻⁶
5 0
2 years ago
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Is my answer correct?
ioda
Yes you are right .. X is undergoing a change from solid to gas at point E
7 0
3 years ago
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How many moles of ammonia are there in a 346 g sample of pure nh3?
Citrus2011 [14]
Molar mass NH3 = 17.031 g/mol

1 mole NH3 -------------- 17.031 g
?? moles NH3 ---------- 346 g

346 x 1 / 17.031

=> 20.31 moles of NH3

6 0
3 years ago
Given 6193 mL of a gas at 62.3 °C. What is its volume at 38.1 °C?
Luden [163]

Answer:

5746.0 mL.

Explanation:

We can use the general law of ideal gas:<em> PV = nRT.</em>

where, P is the pressure of the gas in atm.

V is the volume of the gas in L.

n is the no. of moles of the gas in mol.

R is the general gas constant,

T is the temperature of the gas in K.

If n and P are constant, and have two different values of V and T:

<em>V₁T₂ = V₂T₁</em>

<em></em>

V₁ = 6193.0 mL, T₁ = 62.3°C + 273 = 335.3 K.

V₂ = ??? mL, T₂ = 38.1°C + 273 = 311.1 K.

<em>∴ V₂ = V₁T₂/T₁ </em>= (6193.0 mL)(311.1 K)/(335.3 K) = <em>5746.0 mL.</em>

5 0
2 years ago
What are 3 types of mutations
mote1985 [20]

1- Base substitutions.

2- Deletions.

3- Insertions.

6 0
3 years ago
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