Question posted by finalnemesis4
finalnemesis4 from washington college
Questions Posted by finalnemesis4
1 - 10 of 35 | Next
| Bounty | Status | Category | Sub-Category | Question | Due | $2.00 | Closed, closed | Chemistry | General Chemistry |
General chem help plz
Using VSEPR theory predict and explain the geometric structure of the hydrogen carbonate ion. What bond angles would you predict? Using VSEPR theory, predict and explain the bond angles in BCl3 and... |
Dec. 21, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
chem help plz
The specific heat of fusion of silver is 30.0 calories per gram. Calculate the energy required to melt 5.0 moles of silver if it starts as a solid at 0.01 degree celsius below its normal melting... |
Dec. 22, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
General chem help plz
The law of Dulong and Petit state that the heat capacity per mole of many metals is approx 6.0 calories per mole degree C. Knowing that the specific heat capacity of three metals in Joules per gram-de... |
Dec. 27, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
Chem help plz
How many grams of silicon tetrafluoride, a gas , at a room temperature, would fill the same volume as that occupied by 250 grams of carbon monoxide at 90 degree celsius and 500 torr? |
Dec. 21, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
General chem help plz
A weather balloon is filled with 4.0 liters of helium at 27 degree celsius and 1.0 atm. What volume does the ballon have when it has risen to a point in the atmosphere where the pressure is 100 torr... |
Dec. 21, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
Chem help plz
A tank contains 7.3 moles of nitrogen, 5.2 moles of oxygen, 1.5 moles of helium and 8.1 moles of carbon dioxide at 100 degree celsius and under 1000 atm. Calculate the partial pressure of each gas in... |
Dec. 21, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
Chem help plz
Aluminum metal melts at 660 degree celsius and boils at 2450 degree celsius. Its density is 2.70 grams/cc. Calculate the following A. Assuiming an ideal gas, the volume occupied by 20.0 kilograms of... |
Dec. 21, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
General chem help plz
In the decomposition reaction of gallium chlorate, 75.0 grams is heated to produce oxygen and gallium chloride. Calculate the following A. Write the balanced equation for the reaction and find the... |
Dec. 21, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
General chem help plz
In the reaction of 1000 grams of cobalt metal with excess potassium dichromate and sulfuric acid, the products are cobalt (III) sulfate, potassium sulfate, chromium (III) sulfate, and water. A. Write... |
Dec. 21, 2007 | $1.00 | Closed, closed | Chemistry | General Chemistry |
General chem help plz
In the reaction barium chloride plus potassium chromate yield potassium chloride and barium chromate, 100 grams of barium chloride is mixed with 975 grams of water to make a barium chloride solution,... |
Dec. 21, 2007 |
|---|