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Compound A is C4H9Cl and shows two 13C NMR resonances. Compound B is an isomer of compound A; it shows four 13C NMR resonances, and in the spin-coupled mode the resonance farthest downfield is a doublet. Identify compound B
Suppose that 28 g of gold is initially at 29.0 degrees celsius. What is the final temperature gold upon absorbing 2.25 kJ of heat?
Zinc chloride (ZnCl2) is 52.02% chlorine by mass. What mass of chlorine is contained in 66.0 g of ZnCl2?
Arrange the descriptions in order of increasing number of microstates in the resulting system.
Assume that algae need carbon, nitrogen and phosphorus in the atomic ratio 106:16:1. What is the limiting nutrient in the lake that contains the following concentrations: total carbon = 20 mg/L, total N = 0.80 mg/L and total P = 0.16 mg/L.
A sample of gas in a balloon has an initial temperature of 41 degree celsius and a volume of 1770 L . If the temperature changes to 96 degrees celsius, and there is no change of pressure or amount of gas, what is the new volume,V2 ,of the gas
why would the chemiluminescence be more pronounced than with the flask stoppered? Why is the chemiluminescence even more pronounced with the ferricyanide/hydrogen peroxide mixture?
What is the limiting reactant when 4.5 moles of aluminum react with 6.7 moles of oxygen gas? Unbalanced equation: Al + O2 → Al2O3
calculate the volume, in liters, occupied by 3.25 moles of Cl2 gas at 1.54 atm pressure and a temperature of 213 degrees celcius?
which one is oxidizing agent and which one is reducing agent?
Elevation Pressure 0 ft 760 mmHg 1000ft 740.2 mmHg 2000ft 720.4 mmHg What is the boiling point of water at an elevation of 6.00×10^3 ft
Consider an apparatus shows gases in two containers and one empty container. When the valves are opened and the gases are allowed to mix at constant temperature, what is the distribution of atoms in each container
What is the pH of a solution prepared by dissolving 11 mmol of a weak base in 350 mL of a 0.199-M solution of its conjugate acid
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