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timurjin [86]
3 years ago
10

When a solute is dissolved in water, the solution's boiling temperature _______ and the freezing temperature _______?

Chemistry
1 answer:
ale4655 [162]3 years ago
8 0
Increases and decreases
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HELP MEEEE ASAP!!! Answer these questions based on what you learned from the passage. You can assume any body structure comes fr
erica [24]

Answer:

1.Legs

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3.Armor

4.Skeletal

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Explanation:

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4 0
3 years ago
what is the pH of a solution that has a hydronium ion concentration 100 times greater than a solution with a pH of 4
Anna71 [15]

Answer:

2

Explanation:

First, find the hydronium ion concentration of the solution with a pH of 4.

[H₃O⁺] = 10^-pH

[H₃O⁺] = 10⁻⁴

[H₃O⁺] = 1 × 10⁻⁴

Next, multiple the hydronium ion concentration by 100 to find the hydronium ion concentration of the new solution.

[H₃O⁺] = 1.0 × 10⁻⁴ × 100 = 0.01

Lastly, find the pH.

pH = -log [H₃O⁺]

pH = -log (0.01)

pH = 2

The pH of a solution that has a hydronium ion concentration 100 times greater than a solution with a pH of 4 is 2.

Hope this helps.

4 0
3 years ago
If a balloon containing 3000 L of gas at 39 C and 99 k Pa rises to an altitude where the pressure is 45.5 kPa and the temperatur
mihalych1998 [28]

Answer:

The new volume of the balloon will be 6046.28 L

Explanation:

Initial pressure (P1) = 99 kpa

initial volume (V1) = 3000 L

Initial temperature = 39 C = 39 + 273 = 312 K

Final pressure (P2) = 45.5 kpa

Final temperature = 16 C = 16 +273 = 289K

Final volume = ????

To calculate the final volume using the general gas equation

                  P1 V1 / T1  = P2 V2 / T2

make V2 the subject of the formular

                   V2 = 99000 ×3000× 289 / 45500×312

                   V2 = 85833000 /14196

                     V2 = 6046.28 litres

5 0
3 years ago
Write the formula for the binary compound iron (III) oxide. (a)FeO , (b)Fe(III)O (c),Fe3O2 ,(d)Fe2O3
marishachu [46]

Answer:

I^3, aFeO BfEi^3 O, c, dFe^2 O^3

Explanation:

6 0
3 years ago
What mass of nitrogen Dioxide, NO2, would be produced by the decomposition of 75.0g of copper (II) nitrate?
Eva8 [605]
Mole number of 75 g is 0.4 mol. NO2 is 0.8 mol and is 36.8 g.
6 0
3 years ago
Read 2 more answers
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