General Chemistry Answers

The reaction involved on the explosive combustion of acetylene is:

2 C₂ H₂(g) + 5 O₂(g)----- 4 CO₂(g) + 2 H₂ (g)

How many L of CO₂ gas(measured at STP) will be formed during the combustion of 50.0 L C₂H₂ gas(measured at STP)?

Turpentine, a hydrocarbon commonly used as paint thinner, burst into a flame when warmed and placed in contact with chlorine

0H16 + 8Cl2 → 10C + 16HCl

How many moles of Cl2 are required to react with 3.6 g C10H16?

Turpentine, a hydrocarbon commonly used as paint thinner, burst into a flame when warmed and placed in contact with chlorine

0H16 + 8Cl2 → 10C + 16HCl

How many moles of HCl are form from 0.025 mole of C10H16?

4. Calculate the mass in grams of one molecule of Carbon disulfide, CS3

explain why the melting and boiling points of ionic compounds are generallly high

Dexter is making 4.5 L of 0.30 M silver nitrate, AgNO3, solution. Find the mass of solute in the solution?

Find the mass of solute, magnesium chloride of 6.3 molal MgCl2 that contains 455gn ofwater?

ASSESSMENT

1. Write the formulas for the following compounds.

a. Carbon tetrabromide

b. Diphosphorous trioxide

c. Potassium permanganate

d. Calcium hydrogen carbonate

e. Dichlorine heptoxide

f. Trisilicon teranitride

g. Sodium dihydrogen phosphate

h. Phosphorous pentabromide

i. Carbon tetrachloride

2. Name each compound.

a. Mg(MnO4)2

b. Be(NO3)2

c. K2CO3

d. N2H4

e. LiOH

f. BaF2

g. PI3

h. ZnO

3. Would you expect the following pairs of atoms to combine chemically to give an

ionic or a molecular compound?

a. Li and S

b. O and S

c. Al and O

d. F and Cl

e. I and K

f. H and N