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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
Arrange the molecules in order of decreasing boiling point. Rank the molecules from highest boiling point to lowest boiling point.
If the solution has a specific heat capacity of 3.95 J/(g K) and a density of 1.015 g/ml, what is the DeltaH for the following reaction in kJ?
Reactant: water and 2.51 g of SbCl3 Product: 1.906 g of a solid of antimony, oxygen and chlorine, and 0.802 g of a single gas that is 97.20% chlorine and 2.75% hydrogen What is the empirical formula of the gas and the solid
the catalyst reacts with the reactants. B. A catalyst initiates a chemical reaction. C. A catalyst lowers the activation energy of the reacting molecules
Which of the following are ways that catalysts can speed up reactions rates? You must check all answers that apply. A) Speedup the reaction without changing k. B) Decrease the energy of activation. C) Change the path of the reaction.
The concentration of a dye and concentration of bleach (NaOH) was determined experimentally by using Beer's Law. The rate constant is unknown. How do you calculate the reaction rate based on the graph of the reaction and the 2 concentrations of th..
Which of the following solutions has the highest osmolarity. 1.1 M Ba(OH)2 .75 M Fe2(SO4)3
If 750 grams of ammonia and 750 grams of oxygen gas were mixed, what maximum mass of nitrogen monoxide could be produced
Z- is a weak base. An aqueous solution of NaZ is prepared by dissolving 0.350 mol of NaZ in sufficient water to yield 1.0 L of solution. The pH of the solution was 8.93 at 25.0 °C
The alpha-particles ionize molecules in the air, allowing it to conduct an electric current. When smoke particles enter, the conductivity of the air changes and the alarm buzzes. (a) Write the equation for the decay of (mass number 241, protons 95..
the concentration of NO in teh vessel is 0.161 M. At equilibrium the vessel contains N2, H2O, and H2. What is the value of the equilibrium constant Kc for the following reaction? 2H2 (g) + 2NO(g) 2H2O (g) +N2 (g)
What does the angular momentum quantum number determine. Check all that apply. A.) the overall size of an orbital B.) the energy of the electron on the outer shell
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