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DaniilM [7]
3 years ago
5

a cold glass of water is set outside on a hot day and water droplets develop on the outside of the glass describe whats happenin

g
Chemistry
2 answers:
maxonik [38]3 years ago
8 0
The water drops on the outside of the cup come from water that's already in the air. Water can be solid (ice) liquid, or gas. As you increase the temperature, ice melts into water. Then as you increase the temperature more water, and if you cool water enough you get ice. When we think of water as a gas we normally think of steam, which is very hot, but it can also be a gas a normal temperatures. There's always some amount of water as a gas just hanging out in the air, along with nitrogen and oxygen. (When people talk about humidity, they're talking about the amount of water vapor in the air). So if you put a cold cup down on a table, the water vapor in the air that comes in contact with the cup gets cold and will turn into water. This process is called condensation.
notsponge [240]3 years ago
4 0
It is basically condensation   
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What is the solubility in moles/liter for silver chloride at 25 oC given a Ksp value of 1.6 x 10-10. Write using scientific nota
trapecia [35]

Answer:

Explanation:

AgCl      ⇄       Ag⁺       +       Cl⁻

m                       m                   m

If x mole of AgCl be dissolved in one litre .

[ Ag⁺ ] [ Cl⁻ ] = 1.6 x 10⁻¹⁰

m² =  1.6 x 10⁻¹⁰

m = 1.26 x 10⁻⁵ moles

So solubility of AgCl is 1.26 x 10⁻⁵ moles / L

5 0
3 years ago
What is the pOH of a solution of HNO3 that has [OH-] = 9.50 10-9 M?
bekas [8.4K]

Answer:

The pOH of HNO₃ solution that ha OH⁻ concentration 9.50 ×10⁻⁹M is 8.

Explanation:

Given data:

[OH⁻] = 9.50 ×10⁻⁹M

pOH = ?

Solution:

pOH = -log[OH⁻]

Now we will put the value of OH⁻ concentration.

pOH = -log[9.50 ×10⁻⁹M]

pOH = 8

Thus the pOH of HNO₃ solution that ha OH⁻ concentration 9.50 ×10⁻⁹M is 8.

6 0
3 years ago
Read 2 more answers
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zepelin [54]

Answer:

B?

Explanation:

In the example, the amount of hydrogen is 202,650 x 0.025 / 293.15 x 8.314472 = 2.078 moles. Use the mass of the hydrogen gas to calculate the gas moles directly; divide the hydrogen weight by its molar mass of 2 g/mole. For example, 250 grams (g) of the hydrogen gas corresponds to 250 g / 2 g/mole = 125 moles.

7 0
3 years ago
Another one please help
ladessa [460]
Possibly C or D i wanna say sorry if i’m wrong
4 0
2 years ago
Draw one representation that shows the intermolecular interactions between NH_3 and water and another that shows the intermolecu
Lera25 [3.4K]

Answer:

NH3 has greater water solubility due to intermoleculate interactions

Explanation:

Hi:

If we represent the structures of NH3 and SbH3 we can see that they are similar to the naked eye, this is because N and Sb belong to the same group of the periodic table (group 15).

However, the electronegativity of N is greater than that of Sb. The NH3 molecule is polar and can form an intermolecular interaction called hydrogen bridge with water.

Sb is less electronegative than N. The SBH3 molecule forms an intermolecular interaction with water called dipole-induced dipole.

The zone with positive charge density of the water molecule (hydrogens) is oriented towards the zone with positive charge density of SBH3 (the pair of electrons not shared)

Stronger intermolecular junctions allow greater solubility of NH3 molecules.

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5 0
3 years ago
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