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a) Identify the largest heat of combustion, small heat of combustion and highest boiling point for: heptane(i), 3-methylhexane(ii), nonane(iii)
b) Identify the largest heat of combustion, small heat of combustion and lowest boiling point for: icosane(i), pentacontane(ii), tridecane(iii)
c) Identify the largest heat of combustion, small heat of combustion and lowest boiling point for: 2,3,4-trimethylhexane(i), nonane(ii), 3,4-dimethylheptane(iii)
A student ran the following reaction in the laboratory at 689 K H2(g) + I2(g) 2 HI(g)
Calculate the molarity of a solution of glycerol made by dissolving 59.000 mL glycerol at 15 degrees celcius in enough water to make 380.00 mL of solution
Use the observations and arrange the following five reduction half-cell reactions in order, the one with the largest positive reduction potential listed first.
An unknown salt is either NaF, NaCl or NaOCl.When 0.050 mol of the salt is dissolved in water for form 0.500 L of solution, the pH of the solution is 8.08.
The density of helium gas at 273K and 1.00 atm is 1.76E-4 g/mL. What is the volume (in L) of a balloon containing 9.24 g of helium under the same conditions?
At room temperature (about 20degree C) milk turms sour in about 64 hours. In a refrigerator at 3 degree C, milk can be stored for about three times as long before turning sour.
Important information about pH and Molarity, You add 5 drops of .100 M HCl to 100ml of "pure" water. Assuming that the volume of one drop is .035ml, calculate the expected pH of the resulting solution
What will be the theoretcal yield of tungsten(s) ,W, if 45.0 g of WO3 combines as completely as possible with 1.50 g of H2? WO3(s) + 3H2(g) => W(s) + 3 H2O(g)
A 4.80 g nugget of pure gold absorbed 288 J of heat. What was the final temperature of the gold if the initial temperature was 26.0°C.
Write a balanced equation for the reaction. What volume of 0.200M MnO4- solution is needed to titrate 22.5mL of a 0.350M solution of ethanol?
How many ml of a 2M HCl are required to neutralize 200 ml of a 0.4 M solution of NaOH?
When steam (hot water) is passed over iron, hydrogen gas and iron (3) oxide are formed. What weight of steam would be needed to react completely with 100.0g of iron.
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