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kvv77 [185]
4 years ago
11

If pressure increase by 70%, volume _________________

Chemistry
1 answer:
Lelu [443]4 years ago
5 0
The volume decreases in the same ratio as the ratio of pressure increases
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Which of the following has the lowest Ka?a. carbonic acid b. dihydrogen phosphate c. phosphoric acid d. bicarbonate
Naya [18.7K]

Explanation:

A compound or molecule which will have least dissociation and that is not able to given hydrogen ion easily upon dissociation will also have a low value of K_{a}.

Dissociation of the given compounds or species will be as follows.

 H_{2}CO_{3} \rightleftharpoons H^{+} + HCO^{-}_{3}

 H_{2}PO^{-}_{4} \rightleftharpoons H^{+} + HPO^{-}_{4}

 H_{3}PO_{4} \rightleftharpoons H_{+} + H_{2}PO^{-}_{4}

As, chemical formula of bicarbonate is HCO^{-}_{3} and due to the presence of a negative charge it is difficult to lose a positively charged hydrogen ion. This is because oppositely charged ions will be bonded by strong force of attraction.

Hence, it will not easily lose a hydrogen ion due to which bicarbonate has the lowest K_{a}.

Thus, we can conclude that out of the given species bicarbonate has the lowest K_{a}.    

7 0
3 years ago
Question 3 (1 point)<br> What happens when the temperature of an object increases?
zhannawk [14.2K]

Answer: When the temperature of an object increases, the average kinetic energy of its particles increases. When the average kinetic energy of its particles increases, the object's thermal energy increases. Therefore, the thermal energy of an object increases as its temperature increases.

Explanation: Hope this helps!!

3 0
3 years ago
Read 2 more answers
What is the molarity of a solution containing 400 g cuso4 in 4. 00 l of solution?.
Umnica [9.8K]

Answer:

This 2.5061243 moles is in 4 liters.

3 0
2 years ago
List five examples of matter and five examples that are not matter. Explain your answer.
ASHA 777 [7]

Answer:

An apple,a person.a table,a computer,wood because they occupies space

non matter=Light, heat, kinetic and potential energy, and sound are non-matter because they are massless

3 0
3 years ago
The ksp of copper(ii) carbonate, cuco3, is 1.4 × 10-10. calculate the solubility of this compound in g/l.
Mekhanik [1.2K]
To solve for the solubility of this compound:Cu ^ + 2 + CO3 ^ -2 = [x] [x] = x^2 1.4 x 10 ^ -10 = x^2 x = 1.1832 x 10 ^ -5 1.1832 x 10 ^ -5 moles/ L x 123.526 g/mol (molar mass) is equals to 1.5 x 10 ^-3 g/L is the solubility of this compound - CuCO3.
8 0
3 years ago
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