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4 years ago

15

Enter the net ionic equation, including phases, for the reaction of AgNO3(aq) with K2SO4(aq). Solubility Rules are found here.

1 answer:

wel4 years ago

4 0

<span>In ionic equations, the chemicals are written as the ions which are dissolved in water.

AgNO</span>₃<span>(aq) reacts with K</span>₂<span>SO</span>₄<span>(aq) and produces Ag</span>₂<span>SO</span>₄<span>(s) and KNO</span>₃<span>(aq). The balanced complete ionic reaction is
2Ag</span>⁺<span>(aq) + NO</span>₃⁻<span>(aq) +2K</span>⁺<span>(aq) + SO</span>₄²⁻<span>(aq) → Ag</span>₂<span>SO</span>₄<span>(s) +2K</span>⁺<span>(aq) + NO</span>₃⁻<span>(aq)

K</span>⁺<span>(aq) and NO</span>₃⁻<span>(aq) present in both sides. Hence, we can cut off them to find net ionic equation. So, net ionic equation is
2Ag⁺(aq) + SO₄</span>²⁻<span>(aq) → Ag₂SO₄(s)</span>

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H3PO4 +CaCOH)2=Ca3(PO4)2+H20<br> The equation balance

AnnyKZ [126]

Answer:

2H3PO4 +3Ca(OH) 2 = Ca3 (PO4) 2 +6H20

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3 years ago

If the energy difference between two electronic states is 214.68 kJ / mol , calculate the frequency of light emitted when an ele

atroni [7]

${\qquad\qquad\huge\underline{{\sf Answer}}}$

Here we go ~

Energy difference btween the two electronic states can be expressed as :

${ \qquad \sf \dashrightarrow \: \Delta E = h\nu}$

[ h = planks constant, ${\: \nu }$ = frequency ]

$\qquad \sf \dashrightarrow \:214.68 = 39.79 \times 10 {}^{ - 14} \times \nu$

$\qquad \sf \dashrightarrow \: \nu = \cfrac{214.68}{39.79 \times 10 {}^{ - 4} }$

$\qquad \sf \dashrightarrow \: \nu = \cfrac{214.68}{39.79 } \times 10 {}^{14}$

$\qquad \sf \dashrightarrow \: \nu \approx 5.395 \times10 {}^{14} \:\:hertz$

5 0

1 year ago

Which structure of the organism work together to carry out all of its life functins?

KiRa [710]

Each cell does not perform every life function on its own. Instead, the cells work together to carry out the life functions of the organism.

8 0

3 years ago

The sum of two integers is -4. Can the two integers both be positive?

kaheart [24]

Answer: No.

Explanation: A negative integer can only be made with 2 negative integers or 1 positive and 1 negative integer.

3 0

3 years ago

Carbon dioxide and water react to form methanol and oxygen, like this:

fredd [130]

Answer:

24x10³

Explanation:

2CO₂(g) + 4H₂O(g) → 2CH₃OH(l) + 3O₂ (g)

The equilibrium constant for this reaction is:

Kc = $\frac{[O_2]^3}{[CO_2]^2[H_2O]^4}$

The expression of [CH₃OH] is left out as it is a pure liquid.

Now we <u>convert the given masses of the relevant species into moles</u>, using their <em>respective molar masses</em>:

CO₂ ⇒ 3.28 g ÷ 44 g/mol = 0.0745 mol CO₂

H₂O ⇒ 3.86 g ÷ 18 g/mol = 0.214 mol H₂O

O₂ ⇒ 2.80 g ÷ 32 g/mol = 0.0875 mol O₂

Then we calculate the concentrations:

[CO₂] = 0.0745 mol / 7.5 L = 0.0099 M

[H₂O] = 0.214 mol / 7.5 L = 0.0285 M

[O₂] = 0.0875 mol / 7.5 L = 0.0117 M

Finally we <u>calculate Kc</u>:

Kc = $\frac{0.0117^3}{0.0099^2*0.0285^4}$ = 24x10³

3 0

3 years ago