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Draw the line-bond structures for C4H10O. Include all constitutional isomers(except those with carbon-carbon double bond or triple bonds). For each constitutional isomer, identify the functional group and indicate whether there are stereoisomers other than conformers.
sucrose solution is allowed to react for 195 minutes then determine the mass of sucrose that is hydrolyzed?
How much heat is released when 4.50 g of methane gas is burned in a constant-pressure system? CH4 (g) + 2O2(g) -> CO2 (g) + 2H2O(l) H=-890kJ
A chemical reaction takes place in a container of cross-sectional area 100 cm2 As a result of . the reaction, a piston is pushed out through 11 cm against an external pressure of 689 torr. What is the value for w for this reaction?
Calculate the temperature (K) at which the equation as written is at equilibrium. Express your answer to three significant figures.
calculate the volume in ml of .500 M HA , .5ooM NaA , and water required to make 250 ml of a buffer with a total concentration
Using a sample of gas has a mass of 38.7mg. Calculate the molar mass if its volume is 228mL at a temperature of 57°C and a pressure of 832torr?
In the electrolysis of aqueous NaCl, how many liters of Cl2(g) (at STP) are generated by a current of 7.50 A for a period of 100. min.
The carbohydrate glyceraldehyde is shown below in several different Fischer projections. Sort the structures according to whether the Fischer projection represents glyceraldehyde
a 55.0g piece of copper wire is heated, and the temperature of the wire changes from 19.0C to 86.0C. The amount of heat absorbed is 1.4 kilojoules. What is the specific heat of copper?
A solution contains 0.10 M Ca2+ and 0.10 M Mg2+. What pH range would result in only Mg(OH)2 precipitating? Ksp for Ca(OH)2 is 6.5 ´ 10-6 and for Mg(OH)2 is 7.1 ´ 10-12.
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 300mL of a solution
Substance A has a greater molar mass then substance B. Both are nonelectrolytes. If 50 g of substance A are dissolved in 250 g of water in one beaker
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