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Problem- Draw a Newman projection of the most stable conformation of 3-methylheptane, formed by rotation about the C3-C4 bond. Specify, but do not quantify the sources of all strain in this conformation.
I have read my textbook moreover I still don't understand so please provide me a very condensed, simple to know answer?
If the half-life of a first-order reaction is 4.609 hours what is the instantaneous rate of the reaction in M/day when the concentration of A equals 0.251 M?
An important step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. H° f [NH3(g)] = -45.9 kJ/mol; H° f [NO(g)] = 90.3 kJ/mol; H°f[H2O(g)] = -241.8 kJ/mol
What volume of 0.22 M FeCl3 (mL) should be diluted to 440 mL to make a solution containing .017 M Cl-
Calculate the enthalpy of reaction at 490 K. You may assume that the heat capacity is constant, and corresponds to the value at 298 K. You may also assume that there are no phase changes in this system
a breathalyzer instrument contains two ampules each of which contains 0.75 mg k2cr2o7 dissolved in 3 ml of 9 mol l-1
In moist air the lighter water molecules have a greater rms average speed than the heavier nitrogen molecules. Compute the difference in the two average speeds at 30C
Liquid butane C4H10 , the fuel used in many disposable lighters, has delta Hfinal=-147.5 kj and a density of 0.579 g/ml . Use Hess's law to calculate the enthalpy of combustion in kJ/mol.
Earth's population is about 6.5 billion. Suppose that every person on Earth participates in a process of counting identical particles at the rate of two particles per second. How many years would it take to count 6.25 x 10^23 particles
Explain an ionic equation has 2H (aq) on the left side and H2 (g) on the right. Are these species spectators. Define why
A helium-filled balloon at sea level has a volume of 2.5 L at 0.989 atm and 33°C. If it is released and rises to an elevation at which the pressure is 0.900 atm and the temperature is 29°C, what will be the new volume of the balloon?
Calculate the and the concentrations of all species present (H3O+,F-, Cl-,and OH-) in a solution that contains of HF 0.19 M (Ka=3.5*10^(-4)) and 0.19 M of HCl.
a particular natural gas consists in mole percents of 83.0 ch4 11.2 c2h6 and 5.8 c3h8. a 385-l sample of this gas
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