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Calculate the pH during the titration of 30.00 mL of 0.1000 M dimethylamine, (CH3)2NH(aq), with 0.1000 M HBr(aq) after 29.4 mL of the acid have been added. Kb of dimethylamine = 5.4 x 10-4.
A mixture of 6.00 g He and 22.0 g Ne has a pressure of 530. mm Hg. What is the partial pressure of each of the gases?
The delta H for the neutralization of NaOH with H2SO4 is -144kj/mol H2SO4. What is the maximum measured temperature in the styrofoam cup
A student added 0.40 mL of acetic anhydride instead of 4.0 mL. Did this procedural error affect the theoretical yield of her preparation? Briefly explain.
Consider the bonding in the subsequent using valence bond theory. For which would dish be the smallest
A 0.479 g sample of nitrogen, oxygen or neon gas occupies a volume of 265 mL at 157 kPa and 20?C. What is the molar mass and identity of the gas
a if 2.0 kg of fe2o3 and 1.5 kg of co are reacted what is the maximum amount of iron that can be produced?b if the
If 0.50 moles of liquid cyclohexanone (C6H10O) is completely combusted, how many moles of O2 are required
if you mix 40.0 mL of 0.366 M of K2CrO4 with 40.0 mol of 0.366 AgNO3. what mass of solid Ag2CrO4 would form?
Identify the species that is oxidized and the species that is reduced in the reaction. 2 I- + Cl2 > 2Cl- + I2
How many milliliters of a .250 M sulfuric acid solution would be required to completely react with 2.398 grams of solid aluminum hydroxide?
A solid metal sphere has a radius of 3.62cm and a mass of 1.703kg. What is the density of the metal in g/cm3? (The volume of sphere is V=43?r3.)
Calculate the moles of IO3- dispensed if you have 21.56 mL KIO3 M 1.0 and IO3- (aq) +8I- (aq) +H+ (aq) -> 3I3- (aq) + 3H2O(l)
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