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A chemist calculated the theoretical yield of a product to be 26.8 g. The percent yield was 92.2%. How many g of product were actually obtained?
A Balloon with a volume of 2.00 L is at a pressure of 1.5 atm and a temperature of 20C. If the balloon is put into a container and the pressure is increased to 2.0 atm and the temperature is raised to 25C, what is the new volume of the balloon?
What is the identity of the acid present in carbonated beverages that hastens the hydrolysis of aspartame
must be dissolved in 15.0g of camphor to lower its freezing point by 2 degrees celsius? constant k of camphor = 37.7 (*C x kg)/mol
What is the minimum mass of sulfur dioxide necessary to produce 200. grams of sulfuric acid in the reaction?
Liquid dimethyl disulfide (CH3SSCH3) flows through a pipe with a mass flow rate of 29.0 g/s. Given that the density of dimethyl disulfide
What is the order of increasing polarity of the compounds: benzophenone, trans-stilbene, 2-naphthol, benzoic acid
Calculate how many kilojoules of energy are released when 27.86g of butane are burned.
A 0.13 M solution of a weak monoprotic acid has a pH of 4.11. what is the Ka of this weak monoprotic acid
Several significant signals have been identified on the spectrum. Assign these signals to corresponding functional groups in the molecule of aspirin
suppose 45.0g of water at 85 C is added to 105.0 g of ice at 0 C. The molar heat of fusion of water is 6.01 kJ/mol, and teh specific heat if water is 4.18 J/g C. on this basis of these data (a) what will be the final temperature of the mixture and..
determine the pH at the equivalence point in the titration of 28.5 mL of 0.694 M pyridine, C6H5N, by 0.770 M HNO3.
Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. Calculate the value of w (work) for the following system if 11.8 g of NaN3 reacts completely at 1.00 atm and 22 °C.
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