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nalin [4]
3 years ago
14

Which of the following is the general format for a double displacement reaction? A + BX AX + B A + B AB AB A + B AX + BY AY + BX

Chemistry
2 answers:
Effectus [21]3 years ago
4 0

>  AX + BY   AY + BX  <

aleksandrvk [35]3 years ago
3 0

Answer is: AX + BY → AY + BX.

For example, balanced chemical reaction:

3K₂SO₄(aq) + Ca₃(PO₄)₂(s) → 2K₃PO₄(aq) + 3CaSO₄(s).

This chemical reaction is double displacement reaction - cations and anions of the two reactants switch places and form two new compounds.

aq(aqueous) means dissolved in water.

s(solid) means that salt not dissolved in water.

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3 0
3 years ago
What is the h+ concentration for an aqueous solution with poh = 3.35 at 25 ∘c? express your answer to two significant figures an
RSB [31]
POH value was calculated by the negative logarithm of hydroxide ion concentration.
To know the hydrogen ion concentration, we need to know the pH value, that can be found out if pOH is known 
pH + pOH = 14
pH = 14 - pOH 
pH = 10.65
once the pH is known we have to find the antilog. 
[H⁺] = antilog (-pH)
antilog can be found by 
[H⁺] = 10^(-10.65)
[H⁺] = 2.2 x 10⁻¹¹ M
3 0
3 years ago
The addition of phosphate to a chemical compound is called A. glycolysis. B. oxidation. C. reduction. D. phosphorylation.
stich3 [128]

Answer:

Option (D)

Explanation:

Phosphorylation can be simply defined as the addition of a phosphate group to an organic and inorganic molecule. This process helps in regulating the processes that occur in the cells. It leads to the growth and development of cells and this process is efficiently carried out with the help of enzymes like kinase. It also plays an important role in transferring the signals within the cells, synthesis, and functioning of proteins within the cells, and storing as well as releasing of energy.

Thus, the correct answer is option (D).

5 0
3 years ago
A 0.08024 M solution of NaOH was used to titrate a solution of unknown concentration of HCl. A 32.08 mL sample of the HCl soluti
iris [78.8K]

Answer:

0.08024

Explanation:

4 0
3 years ago
Which of the following happen because of an increase in thermal energy/temperature? (Select all that apply)
swat32
A b c , i think ...
7 0
3 years ago
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