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1. Draw structural formulas (full or condensed) and give the molecular formulas for the following compounds. a)2-methylpropane b)2,4-dimethylpentane c)2,2-dimethylpentane d)4-ethyl-2-methylhexane e)2,3-dichloro-4-t-butylheptane f)4-ethyl-7-isopropyl-2,4,8-trimethyldecane g)4-isobutyl-3,4-dimethyl-5-sec-butyloctane h)1,2-dimethylcyclohexane i)methylcyclopropane 2. Which compounds in problem 1 are isomers?
2NOCl(g) → 2NO(g) + Cl2(g) ,At 450 K the rate constant is 15.4 atm-1s-1. How much time (in s) is needed for NOCl originally at a partial pressure of 46 torr to decay to 25.8 torr.
What is the equilibrium vapor pressure of water for a solution containing 56.0 g H2O and 44.0 g of ethylene
At what temperature would CO2 molecules have an rms speed equal to that of H2 molecules at 25 degrees C?
What is the half-life of bismuth-210 if 11.7 days are required for the activity of a sample of bismuth-210 to fall to 19.8 percent of its original value
A 500-liter tank contains air at pressure 300 kPa and temperature 500K. Calculate the mass of the air in the tank
Solid ammonium chloride, NH4CI reacts with solid sodium hydroxide to produce ammonia gas, water and sodium chloride NaCl
If the initial concentration of AB is 0.210 M , and the reaction mixture initially contains no products, what are the concentrations of A and B after 70 s
Calculate a) the amount of ethylene glycol required. b) the amount of by product evolved and c) the amount of polyester produced.
A sample of gaseous C2H2 (acetylene, or ethyne) was stored for one year, yet at the end of this period the sample remained unchanged and no graphite or hydrogen gas had been formed. Briefly explain why there is no inconsistency between the sign of..
The solubility of which one of the following compounds will increase if the pH of a saturated solution of the compound is lowered
When 2.00 g of hydrazine (N2H4) decomposed under constant-pressure conditions, 7.00 kJ of heat were transferred to the surroundings. What is pH for the following reaction? 3 N2H4(l) --> 4 NH3(g) + N2(g)
What mass of oxygen (in grams) reacts when 13.2 g of methanol (CH3OH) are combusted in oxygen to produce carbon dioxide and water
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