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Problem- If 200 mL of oxygen and 400 mL of nitrogen, measured at one atmosphere pressure, are forced into a 100 mL container at constant temperature of 25°C, the total pressure will be
(A) 6 atm (B) 2 at m (C) 3 atm (D) 4atm (E) 5 atm
Your answer must be supported by illustrations, Please answer with work shown to receive points
a 330 ml container holds 0.146 g of ne and an unknown amount of ar at 35degc and a total pressure of 626 mmhg.
The numerical value of the faraday constant is given as 96500 this value represents the number of carried by
a compound contains c h and s. elemental analysis performed on 172.5mg sample produced 299.0mg co2 and 163.2mg h2o.
Consider the following reaction. N2 + 3 H2 → 2 NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?
Question- For the reaction 3NiO2(s)+2In(s)+3H2O(l)?3Ni(OH)2(s)+In2O3(s) which occurs in basic solution with Eorxn=0.544V, calculate the value of the equilibrium constant, K, for this reaction at 298 Kelvins.
4Au + 8KCN + O2 + 2 H2O --> 4 KAu(CN)2 + 4 KOH what is the minimum amount of KCN (in g) needed to react with 15.6 g of gold?
A thermometer containing 9.5 of mercury has broken. If mercury has a density of 13.6 , what volume spilled?
If an insufficient amount of liquid unknown had been used, how would this have affected the value of the experimental molar mass?
Describe the technique you would use to determine the density of approximately 5 gram samples of the following at 20 degrees celcius and 1 atmosphere pressure
For a solution containing 0.0066 M calcium nitrate and 0.054 M nitric acid, calculate the activity of the calcium ion.
Determine a crystallization of sulfanilamide in which 10mL of hot95% ethyl alcohol is added to 0.10 g of impure sulfanilamide. After the solid has dissolved the solution is cooled to room temperature and then placed in an ice-water bath.
write a balanced half-reaction describing the reduction of gaseous dioxygen to aqueous oxide
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