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kkurt [141]
3 years ago
12

I need help bad bro i have a 30 cs this is missing

Chemistry
1 answer:
Nat2105 [25]3 years ago
4 0

Answer:  11.02 moles of Ag can be formed.

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} Cu=\frac{350.00g}{63.55g/mol}=5.51moles

The balanced chemical equation is:

Cu+2AgNO_3\rightarrow Cu(NO_3)_2+2Ag  

According to stoichiometry :

1 moles of Cu produces =  2 moles of Ag

Thus 5.51 moles of Cu will produce=\frac{2}{1}\times 5.51=11.02moles  of Ag  

Thus 11.02 moles of Ag can be formed.

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The chemical formula for sodium sulfate is Na2SO4. How many sulfur atoms are in the formula for sodium sulfate?
Gemiola [76]

Answer:

1

Explanation:

there is only one sulphur (S) atoms in the formula for sodium sulphate

5 0
3 years ago
Read 2 more answers
Help me answer this plz.
boyakko [2]

Answer:

87.58 L of C₂H₂

Explanation:

We'll begin by calculating the number of mole in 250 g of CaC₂.

This can be obtained as follow:

Mass of CaC₂ = 250 g

Molar mass of CaC₂ = 40 + (12×2)

= 40 + 24

= 64 g/mol

Mole of CaC₂ =?

Mole = mass /Molar mass

Mole of CaC₂ = 250 / 64

Mole of CaC₂ = 3.91 moles

Next, the balanced equation for the reaction. This is given below:

CaC₂ + 2H₂O —> C₂H₂ + Ca(OH)₂

From the balanced equation above,

1 mole of CaC₂ reacted to produce 1 mole of C₂H₂.

Next, we shall determine the number of mole of C₂H₂ produced by the reaction of 250 g (i.e 3.91 moles) of CaC₂. This can be obtained as follow:

From the balanced equation above,

1 mole of CaC₂ reacted to produce 1 mole of C₂H₂.

Therefore, 3.91 moles of CaC₂ will also react to produce 3.91 moles of C₂H₂.

Finally, we shall determine the volume of C₂H₂ produced from the reaction. This can be obtained as follow:

Recall:

1 mole of any gas occupy 22.4 L at STP.

1 mole of C₂H₂ occupied 22.4 L at STP.

Therefore, 3.91 moles of C₂H₂ will occupy = 3.91 × 22.4 = 87.58 L

Thus, 87.58 L of C₂H₂ is produced from the reaction.

5 0
4 years ago
Balance this equation please!!! ASAP
Delvig [45]

Answer:

C2H4O2 + 2O2 —> 2CO2 + 2H20

The coefficients are 1, 2, 2, 2

Explanation:

C2H4O2 + O2 —> CO2 + H20

To balance the above, do the following

Since there are 2 carbon on the left, put 2 in front of CO2, we have

C2H4O2 + O2 —> 2CO2 + H20

We have 4 hydrogen on the left, to balance it put 2 in front of H2O i.e

C2H4O2 + O2 —> 2CO2 + 2H20

Now, we have a total of 6 oxygen on the right side. To balance it, put 2 in front of O2:

C2H4O2 + 2O2 —> 2CO2 + 2H20

The coefficients are 1, 2, 2, 2

3 0
3 years ago
Assume that 8.5 L of iodine gas (I2) are produced at STP according to the following balanced equation:2KI(aq) + Cl2(
Aliun [14]

Answer: 0.3794 moles of Iodine gas are produced.

Explanation:

2KI(aq)+Cl_2(
g)\rightarrow 2KCl(aq)+I_2

Volume of iodine gas produced at STP =8.5 L

At STP, the 1 mol of gas occupies volume = 22.4 L

So, 8.5 L of volume will be occupied by:\frac{1}{22.4 L}\times 8.5=0.3794 moles

0.3794 moles of Iodine gas are produced.

5 0
3 years ago
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Which process do ribosomes perform​
Llana [10]
Synthesizes (makes) proteins to be used by the cell. Not membrane bound
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4 years ago
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