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stiks02 [169]
3 years ago
9

What atomic nucleus has the fewest protons

Chemistry
1 answer:
maksim [4K]3 years ago
3 0
Hydrogen-

Hydrogen is the answer because the number of protons is the atomic number.  All the elements have different atomic numbers and hydrogen has the least with an atomic number of 1.
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The osmotic pressure of a saturated solution of strontium sulfate at 25 ∘C∘C is 21 torrtorr. Part A What is the solubility produ
USPshnik [31]

Answer

solubility product = 3.18x 10^-7

Explanation:

We were given the pressure in torr then we need to convert to atm for consistency, ten we have

21torr/760= 0.0276315789 atm

21 Torr = .0276315789 atm

P = i M S T

M = P / iRT

Where p is osmotic pressure

T= temperature= 25C+ 273= 298K

for XY vanthoff factor i = 2

S = 0.0821 L-atm / mol K

M = .0276315789 atm / (2)(0.0821 L atm / K mole)(298 K)

M = 0.000564698046 mol/liters

solubility= 0.000564698046 mol/liters

Ksp = [X+][Y-]

Ksp = X^2

Ksp = [Sr^+2] * [SO4^-2]

Ksp = X^2

Ksp = (0.000564698046)^2

Ksp = 3.18883883 × 10-7

Ksp = 3.18x 10^-7

solubility product = 3.18x 10^-7

Therefore, the solubility product of this salt at 25 ∘C∘C is 3.18x 10^-7

7 0
3 years ago
How many steps to complete mitosis and meiosis??
dangina [55]
Mitosis has 4 steps and meiosis has 5 steps so its 9 steps total here's a photo to help you if you need it

7 0
3 years ago
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Aneli [31]

A volatile acid is an acid that can leave solution and enter the atmosphere.


7 0
3 years ago
A. What was the pH change when HCI was added to tap water?
Oxana [17]

Answer:

See below.

Explanation:

a. The pH would decrease.

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5 0
3 years ago
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vlabodo [156]
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Time = Distance / speed = 1609.344 m / 1.715 m/s = 938.393 seconds

938/60 = 15 minutes, 38 seconds.

= 15 minutes 38.393 seconds.
6 0
3 years ago
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