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3 years ago

Explain in terms of ions and molecules. what happens when any acid reacts with any alkali

Chemistry

1 answer:

kodGreya [7K]3 years ago

6 0

It dissolves and desinagrates sorry for my spelling

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Calculate the standard potential for the following galvanic cell: Ni(s) | Ni2+(aq) || Ag+(aq) | Ag(s) which has the overall bala

mylen [45]

Answer:

1.06 V

Explanation:

The standard reduction potentials are:

Ag^+/Ag E° = 0.7996 V

Ni^2+/Ni E° = -0.257 V

The half-cell and cell reactions for Ni | Ni^2+ || Ag^+ | Ag are

Ni → Ni^2+ + 2e- E° = 0.257 V

2Ag^+ 2e- → 2Ag E° = 0.7996 V

Ni + 2Ag^+ → Ni^2+ + 2Ag E° = 1.0566 V

To three significant figures, the standard potential for the cell is 1.06 V .

8 0

3 years ago

Analyze your results.

raketka [301]

According to Le C ha.te llors principle of we increase concentration of reactants or products equilibrium shifts.

Yes increases

Rate of reaction also increases

Stated in b

3 0

2 years ago

(6) 在 420 毫升的柳橙汁中,柳橙原汁對水的比是4:3,加入 100 毫升的水後,柳橙原汁對水的比是多少?

Eva8 [605]

Answer:

你这个傻瓜你会死的很蠢！

I hope you helped^_^

6 0

2 years ago

How much energy is released when 65.8 g of water freezes

Delvig [45]

The amount of energy released is calculated by the product of heat of fusion and mass. The formula of amount energy released is given by: $q= L\times m$ (1)

Here,

q is amount of energy released L is heat of fusion ( $334 J/g$ ) m is mass of water Put all the given values in equation (1)

$q= 334 J/g \times 65.8 g$

$q= 21977.2 Joules$ ≅ $21977 Joules$

$q= 21977 Joules$

Thus, amount of energy released is $21977 Joules$

6 0

3 years ago

Read 2 more answers

Now that you have exercised, walked your

ASHA 777 [7]

Answer: The moles of melatonin are 0.000043

Explanation:

According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}$

Given mass of melatonin = 0.01 g

Molar mass of melatonin $(C_{13}H_{16}N_2O_2)$ = 232.28 g/mol

$\text{Number of moles of melatonin}=\frac{0.01 g}{232.28g/mol}=0.000043mol$

Thus the moles of melatonin in 0.01 g are 0.000043

4 0

2 years ago