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3 years ago

Solutions with water as the solvent are called

Chemistry

1 answer:

Soloha48 [4]3 years ago

8 0

Answer:

C. Aqueous Solutions

General Formulas and Concepts:

Aqueous Solutions'

Dissociation
Solvents and Solutions

Explanation:

Water is the universal solution that solvents are dissolved in. Whenever anything is dissolved in water, it will be an aqueous solution.

Strong ionic solutions dissolve into their ions when dissolved in water.

Weak acids and bases don't fully dissociate in water.

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Base your answers on the graph below, which represents uniform cooling of a sample of a pure substance, starting as a gas. Solid

Karolina [17]

Answer:

D & E

Explanation:

I think this is dealing with latent heat and D & E would be the range where you will find solid and liquid phases in equilibrium, cuz it starts as gas at from A to B, B to C is gas and liquid equilibrium, C to D is liquid, D to E solid and liquid, and then E to F is solid.

7 0

3 years ago

- What is the concentration of hydrogen ions if the pH is 12?

ELEN [110]

Answer:

1 x 10^-12 mol dm^-3

Explanation:

[H+] = 10 ^ -pH

Therefore, pH 12 = 1 x 10^-12 hydrogen ion concentration

4 0

3 years ago

For "gas in liquid solution", which of the following will act as a solute?

svlad2 [7]

Answer:gas

Explanation:ck12

4 0

3 years ago

Based on the activity series, which metals could X represent in the reaction below? (Note: The equation is not balanced.)

Nikitich [7]

Answer is: A) Sr (strontium).
The reactivity series is a series of metals from highest to lowest reactivity. Metal higher in the reactivity series will displace another.
Strontium is only higher in this group from magnesium. Strontium is stronger reducing agent than magnesium, gives electrons easier.

3 0

3 years ago

Which atom, selenium (Se) or Arsenic (As), has the higher electron affinity and why?

IrinaVladis [17]

Answer:

5. Selenium, because it does not have a stable, half-filled p subshell and adding an electron does not decrease its stability.

Explanation:

Electron affinity is the amount of energy released when an isolated gaseous atom accepts electron to form the corresponding anion.

Selenium:-

The electronic configuration of the element is:-

$[Ar]3d^{10}4s^24p^4$

Arsenic:-

The electronic configuration of the element is:-

$[Ar]3d^{10}4s^24p^3$

The 4p orbital in case of arsenic is half filled which makes the element having more stability as compared to selenium.

Thus, selenium has higher electron affinity because adding electron does not decrease the stability as in case of arsenic.

8 0

3 years ago