When a 23l sample of hydrogen gas at 25ocis heated to 120oc

Reference no: EM13640998

2Na(s) + Cu(NO₃)₂ -->2NaNO₃ + Cu(s)

1.If 13g of Sodium are reacted how many grams of Copper (solid)can be obtained?

2Na(s) + Cu(NO₃)₂ -->2NaNO₃ + Cu(s)

2. Identify the limiting agent when 0.47 moles of Sodiumare reacted with 26g of Copper(II) Nitrate?

3. How much Copper (solid) can be made by reacting 0.47 moles ofSodium with 26g of Copper(II) Nitrate?

4. 0.47 moles of Sodium were reacted with 26g of Copper(II)Nitrate? If the actual yield of copper metal was 1.43g, what is the percentage yield of this reaction?

5. What is the equivalent of 456 torr in atmospheres(atm)?

6. When a 2.3L sample of hydrogen gas at 25^oCis heated to 120^oC at constant pressure, what is the new volume of the gas?

7. What is the pressure of a sample of 35g of nitrogen gas in a5.6L container at 90^oC?

8. What is the shape of the carbonate ion,(CO₃)_2-?

a. What is the total number of valence electrons?

b. Identify the central atom

c. How many electron domains are around the central atom?

d. What is the molecular geometry of the carbonate ion?

e. Is it a polar or non-polar molecule?

9. Which of the following compounds has a permanent dipole butno Hydrogen bonds:

a. CH₄ b. CH₄ c. CH₃-Brd. I₂

10. Calculate the amount of heat (cal) necessary to convert 34gof ice at -3^oC into liquid water at 25^oC.

Reference no: EM13640998

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