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Gas Nitrous Oxide (N20) is used as an anesthetic and in aerosol cans to produce whipping cream. It is a potent greenhouse gas and decomposes slowly to N2 and O2.
2 N2O(g) --> 2 N2(g) + O2(g)
How many half-lives will it take for the concentration of the N20 to reach 3.13% of its original concentration?
what is the concentration in the solution of the first ion when the second one starts to precipitate at 25 C?
Calculate the pH of a solution when 0.200 moles of solid NaOH is added to 2.00 liter of 0.250 M HCl. Assume no change in volume.
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A 4.40 g nugget of pure gold absorbed 295 J of heat. The initial temperature was 21.0°C. What was the final temperature?
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
How should a professional emergency responder be concerned about the following routes of radiation exposure for a person on scene and a person downtown?
The osmotic pressure of an aqueous solution at 300 K is 120 kPa. Calculate the freezing point of the solution.
How many total moles of oxygen gas can be generated through this decomposition? B. If this oxygen is formed within the bottle described in question 1, what change in pressure would be predicted?
Suppose a reversible heat pump transfers heat from the outdoors at 0 degrees C to a room at 20 degrees Celsius. For each Joule of work input to the heat pump, how much heat will be deposited in the room?
What must the minimum temperature of its energy source be if it is to produce work with an efficiency of 0.75?
calculate the expected pH value of the buffer system 5mL .1M CH3COOH + 5mL .1M CH3COO-Na+ using the henderson-hasselbalch equation using the pKa values: carbonic acid= 6.37 and acetic acid=4.75
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines
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