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Does (CH3CH2)2C=CHCH2CH3 have any cis/trans isomers and if so what are they? Also what's the compound structure?
How much heat is needed to warm 250 g of water from 22 C to 98 C? The specific heat of water is 4.18 J/g . Be sure to include units but do not use scientific notation.
A student heated a 25.0g piece of a metal to a temp of 100.0C and placed it in 100.0g of water, initially at a temperature of 10.0C. Determine the final temperature of the system(aluminum and water)
Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s^-1. If you start with 7.0×10?2 M I2 at this temperature
What Mass of K2CO3 must you add to 125 grams of water to prepare a 0.200m K2CO3? What is the mole fraction of K2CO3 in the resulting solution?
Suppose you did the bromination of cholesterol using bromine in DMSO(dimethyl sulfoxide)/H2O mixture (instead of acetic acid). What product(s) would you get?
What is the volume of the water displaced? (State the correct number of significant digits.) What is the uncertainty in this value?
Consider a cylinder filled with air with a piston and spring arrangement on top. The external pressure is 1 bar, the initial temperature of the air in the cylinder is 25 C.
how many liters of oxygen will be produced if 162 grams of aluminum chlorate is decomposed
Consider a process carried out on 1.00 mol of a monatomic ideal gas by the following pathway from state A to state B
Assume that you have carried out a radical chlorination reaction on (R)-2- chloropentane and have isolated (in low yield) 2,4-dichloropentane.
sulfate dissolves as follows: Na2SO4(s) → 2Na+(aq) + SO42- (aq). How many moles of Na2SO4 are required to make 1.0 L of solution in which the Na concentration is 0.10 M?
the solvent travel only half way up the chromatographic paper in the spot testing chromatogram.predict the effect of this procedural change on the solution of the cation in the standard mixture
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