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Offer the experimental procedure necessary to make the subsequent solution- 10.00mL of a 0.0300M solution of CH3COOH from a stock solution with a concentration of 0.0780M
If 3.1 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 ->CO2 + H2O, how much oxygen is required?
A sample of aluminum metal absorbs 9.86J of heat,upon which the temperature of the sample increases from 23.2 C to 39.5 C. SInce the specific heat capacity of aluminum is 0.90 J/g-K, the mass of the sample is what in grams
As the sample descended, the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 75.0 atm, what was the volume of the sample? Assume that the temperature was held constant.
A system contracts from an initial volume of 15.0 L to a final volume of 10.0 L under a constant external pressure of 0.800 atm
Draw the mechanism (curvy arrows) for the formation of the carbocation intermediate formed from reaction of NO2+ with toluene at the ortho position, and show the resonance forms of the resulting carbocation.
a helium-filled balloon of the type used in long-distance flying contains 1.2 107 l of helium. let us say you fill the
Oxygen gas can be generated by the decomposition of potassium chlorate according to the following equation: 2KClO3(s) = 2KCl(s) + 3O2(g). How many liters of oxygen at STP will be produced when 0.216 kg of KCl is also produced
Determine the structures of the compounds that would give the products
Glass tempering can be accomplished by both thermal and chemical means. Each puts the near surface region of the glass piece into compression, thereby suppressing growth of surface cracks.
How many mL of 4.50 M sodium hydroxide must be added to 250 mL of a 0.200 M nitrous acid solution to make a buffer with pH = 3.00?
calculate the area of the spill in cm squared and the diameter of the spill in cm. (Help: 32 oz = quart, 1 mL = 1 cm cubed; area of a circle A = pi x r squared)
The temperature of the calorimeter rises by 25.4oC (Celsius). Specified that the energy of combustion (?E) for stearic is -40.5 kJ/g, compute the heat capacity of the bomb calorimeter. Make sure you enter kJ/C for your unit behind the number.
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