homework help
Username
Password
Homework helpPost homework
questionPost homework answerMy homework help
Save on Textbooks!



Other
  Other Homework Help ( 761 )
Math
  Math- Algebra 1 ( 1665 )
  Math- Algebra 2 ( 821 )
  Math- Calculus ( 282 )
  Math- Geometry ( 403 )
  Math- Other ( 1028 )
  Math- Precalculus ( 305 )
  Math- Trigonometry ( 190 )
Biology
  Biology- Animal ( 107 )
  Biology- Cell ( 379 )
  Biology- Ecological ( 65 )
  Biology- General ( 423 )
  Biology- Microbiology ( 70 )
Business
  Business- Accounting ( 391 )
  Business- Finance ( 305 )
  Business- Other ( 226 )
Chemistry
  Chemistry- Biochem ( 113 )
  Chemistry- Organic ( 98 )
  Chemistry- Other ( 777 )
Economics
  Economics- Macroeconomics ( 525 )
  Economics- Microeconomics ( 365 )
Essay Service
  Essay Correction ( 50 )
  Essay Writing ( 230 )
History
  History- World ( 471 )
  US History- Post 1877 ( 282 )
  US History- Pre 1877 ( 211 )
Language
  English ( 463 )
  Foreign Languages ( 82 )
  World Literature ( 122 )
Physics
  Physics- Electricity, Magnetism ( 162 )
  Physics- General ( 944 )
  Physics- Mechanical, Heat, Sound ( 246 )
  Physics- Wave, Quantum Physics ( 59 )
z Medical Questions

Your Question
1. A cylinder contains a mixture of hydrogen and chlorine molecules. Compare without doing any calculations the following:
a. the relative mass of the molecules
b. the temperature of each gas
c. the average kinetic energy of the molecules
d. the average speed of the molecules

2. Find the number of atoms in:
a. 52.5g of calcium metal
b. 1.5 mol of Carbon
c. 1.5 mol of carbon dioxide

3. Find the volume of a gas at -30�C and 0.75atm if it occupies a volume of 255L and 1.25atm.

4. Write the correct formula for the following:
a) hydrochloric acid
b) nitrous acid
c) sulphuric acid
d) bromic acid
e) strontium oxide
f) rubidium chlorite
g) manganese (II) iodite
h) tungsten hexafluoride
i) hypoflorous acid
j) ammonium hydroxide
k) hydrosulphuric acid
l) sodium peroxide
m) phosphorus
n) oxygen gas
o) potassium perbromate

5. Write the correct formula for each of the following ions:
a) sulphite
b) hydroxide
c) nitrate
d) dihydrogen phosphate
e) hydrogen sulphate ion
f) periodate
g) carbonate
h) hypophosphite
i) flourate
j) bromite

6. Name the following compounds:
a) ZnI2
b) BrF
c) H2O2
d) FeSO3
e) CaH2
f) BaHPO3
g) CuNO3
h) MnO2
i) NH4OH
j) AgIO
k) SO2
l) Li2O

7. Balance the following equations:
i) PbCl2 + AgNO3 → AgCl + Pb (NO3) 2
ii) AlCl3 + NH4OH → Al(OH)3 + NH4Cl
iii) FeCl3 + Ca(OH)2 → CaCl2 + Fe(OH)3
iv) Pb(ClO3)2 + K2SO4 → PbSO4 + KClO3
v) Na + HOH → NaOH + H2
vi) Zn + HCl → ZnCl2 + H2
vii) Al + AgCH3COO → Al(CH3COO)3 + Ag
viii) MgO + HNO3 → Mg (NO3)2 + H2O
ix) MnO2 → Mn3O4 + O2

b) Why is it incorrect to alter the chemical formula when balancing an equation?

8. Write and balance equations for the following reactions:
i) zinc sulphate + barium nitrate →
ii) gold (III) sulphate + barium chloride →
iii) zinc + mercourous nitrate →
iv) tin + antimony (V) chloride →
v) calcium + water →
vi) ferrous bromide + phosphoric acid →
vii) the complete combustion of ethane, C2H4 →
viii) calcium carbonate + hydrobromic acid →

9 a. How many grams of sulphuric acid will neutralize 10.0g of sodium hydroxide

b. What volume of water vapour at 100�C and 110 kPa would also be produced

10. Calculate the mass of potassium chlorate needed to prepare 5.00L of oxygen gas at 24.0�C and 0.950 atm. (The equation is: KClO3 → KCl + 3/2O2)

11.Consider the following reaction, which takes place in an autoclave at 250�C and 800 atm. NH3(g) + 7/4O2(g) → NO2(g) + 3/2H2O(g)
Into the reaction vessel has been placed 200L of NH3(g) and 120L of O2(g). The reaction is allowed to go to completion. Determine the quantity, in moles, of the gas that remains un-reacted.

12. A compound containing titanium (Ti) and chlorine is analyzed by converting all of the titanium into 1.20g of TiO2 and all of the chlorine into 6.45g of AgCl. What is the simplest formula for the original compound?
Please Login to Answer the Question
LOGIN


Yugioh cards all yu-gi-oh! | Los Angeles County Bail Bonds  | Health Care in Germany | Pirates of the Caribbean
Copyright © 2003-2008 StudentQuestions.comTerms of Service