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Calculate the number of moles in each of the following: a) 85.2 g of Ni, b) 144 g of K, c) 6.4 g of H2O, d) 308 g of BaSO4, e) 252.8 g of fructose C6H12O6
Propane burns in oxygen to produce carbon dioxide and water. c3h8 +5o2 yeilds 3co2 +4h2o Calculate the math of co2 that can be produced if reaction of 44g of propane and suficient oxygen has a 60% yeild.
Draw several Lewis structures and determine the geometry, bond angle, and hybridization about the central atom
Based on the reaction of halide ions NaI,NaBr,NaCl with KMnO4 rank the three halide ions in order of decreasing reducing agent strength. Use to indicate greater strength and = to mean equall strength.
Alkyl halides add to alkenes in the presence of AlCL3; yields are the highest when tertiary halides are used . predict the outcome of the reaction of t-pentyl chloride
If an aqueous solution has a hydronium ion concentration ([H3O+]) of 5.10 x 10-9 mol/L, what is the hydroxide ion concentration ([OH-]) in the solution
Choose one of the iron-sulfur electron transfer proteins described in the text. Please draw the structure of the iron-sulfur active site, indicating the amino acids tethering the FeS core to the protein
What is the pH at the equivalence point? (Kb of NH3 = 1.8 A 20.0 mL sample of 0.20 M sodium acetate is titrated with 0.11 M HCl(aq). What is the pH after the addition of 50.0 mL HCl(aq)?
A careless student, Will Bobble, misread the label on a bottle of 10 M sodium hydroxide and used it (rather than 1 M NaOH) to dissolve his vanillin
When you breathe the following reaction will take place: C6H12O6 (s) + 6O2 (g) --> 6CO2 (g) + 6H2O(g), how many moles of glucose are needed to produce 100.0 g of water?
A volume of 125 mL of H2O is initially at room temperature (22.0*C). A chilled steel rod at 2.00 *C is placed in the water. If the final temperature of the system is 21.1*C, what is the mass of the steel bar?
explain the hazards associated with 1.0M CH3COOH solution, 0.10M BaCl2 solution and 0.10M Na2C2O4 solution.
Some people think that driving a car, cooking on an outdoor grill, and using electricity produced by coal-fired generators contribute to global warming. What is the reasoning behind their thinking?
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