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Draw the structure of a compound with the following analytical data: a mw of 72 g/mol, no silver mirror in a Tollen's test, and a yellow precipiate formed in an iodoform test. Assume that the only elements present besides the functional group is a C & H.
A student analyzed an antacid tablet from a bottle containing 120 tablets purchased for $2.79. The mass of the tablet was 1.247 grams. What is the cost of one antacid tablet in cents/tablet.
Which compound has the smallest molar mass?
A hydrogen-filled balloon was ignited and 2.00 gram of hyrdogen reacted with 16.0 g of oxygen. How many grams of water vapor were formed?
A certain quantity of a gas occupies 61.3 mL at 68C. If the pressure remains constant, what would the volume of the gas be at 17C?
At a potential of -1.00 V vs. SCE, carbon tetrachloride (CCl4) in methanol undergoes a reduc- tion to chloroform (CHCl3) at a mercury cathode:
A solution containing 10.mmol of CO3^-2 and 5.0 mmol. Of HCO3- is titrated with 1.0M HCL What total volume of HCL must be added to reach the second equivalence point?
Estimate the pH at the equivalence point of an HOAc solution if 25.5 mL of this solution required 37.5 mL of 0.175 M NaOH to reach the equivalence point (Ka = 1.8 x 10-5).
The steam is then sent back to the boiler (constant pressure heat exchanger) and reheated to 300oC. In a secondary turbine, the steam is expanded to 10kPa.
The energy change, ?H, associated with the following reaction is +81 kJ. NBr3(g) + 3 H2O(g) → 3 HOBr(g) + NH3(g) What is the expected energy change
Draw the structure of the organic product that is formed when the compound shown below is treated with the following reagents
What is the minimum mass of sulfur dioxide necessary to produce 200. grams of sulfuric acid in the reaction?
We add excess Na2CrO4 solution to 17.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to be 0.310 grams.
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