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Gaseous butane will react with gaseous oxygen to produce gaseous carbon dioxide and gaseous water . Suppose 49. g of butane is mixed with 150. g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction.
calculate how many moles of the product form when 0.040mol of K completely reacts. Assume that there is more than enough of the other reactant. 4K(s)+O2(g)?2K2O(s)
The membrane has pores equivalent in size to a spherical molecule with a molecular weight (Mm) of 120,000 daltons. The protein solution consists of albumin (40 g/L at Mm = 69,000 daltons), globulins (70 g/L at MW = 150,000 daltons), and fibrinogen..
a) H2 (g) + Br2 (g) â?" 2 HBr (g) + heat [0.513] [0.62] [0.346] b) N2O4 (g) + heat â?" 2 NO2 (g) [0.0325] [0.022] c) NH4SH (g) â?" NH3 (g) + H2S (g) + heat [0.027] [0.0234] [0.209] Calculate Ke for the following (equilibrium concentrations give..
Determine the pH of the acid solution before the titration begins and the pH at the equivalence point when 50.0 mL of the NaOH has been added. The Ka of HF is 7.2*10^-4
Tablets from a bottle of commercial aspirin gave a negative test with FeCl3. Several months later, tablets from the same bottle gave a positive test with FeCl3. How do you account for this result? Why?
Give the complete, step-wise mechanism for the acid catalyzed dehydration of 2-methyl-1-butanol. Account for the formation of all products
What is the final temperature after 336J of heat energy is removed from 25.0g of Water at 19.6C
Use the concentrations given below for the concentrated chemcal molarities and write out your calculations to obtain the volume of each stock solution needed to obtain 30.00 L of a 6.00 M
Calculate DE, and determine whether the process is endothermic or exothermic for the following cases: A system releases 29 kJ of heat to the surroundings and does 226 kJ of work on the surroundings.
Determine the following characteristics of the titration curve for 25.0 mL of 0.400 M NH3(aq) titrated with 0.335 M HI(aq). (For NH3, Kb = 1.8x10-5.)
If 3.0 L of oxygen gas at 177°C is cooled at constant pressure until the volume becomes 1.50 L, then what is the final temperature
A metal (M) forms an oxide with the formula MO. If the oxide contains 63.97% O by mass, what is the identity of the metal. Express answer as a chemical symbol.
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