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what is the partial pressure of nitrogen in a container that contains 3.96mol of oxygen , 7.49 mol of nitrogen and 1.19 mol of carbon dioxide when the total pressure is 563 mmHg?
How much of the solution is needed?
draw 1-fluoropentane and predict the number of hydrogens per signal in a H-NMR spectra, and the splitting for each signal?
Carbon emits photons at 745 nm when exposed to blackbody radiation. How much energy would be obtained if 44 g of carbon were irradiated?
When ammonia is burned in oxygen, free nitrogen gas and water are produced. What volume of ammonia will react completely with 25.0 L of oxygen? What volume of nitrogen gas is formed?
what is the concentration of fructose in the resulting solution in uM? C) If you make three serial 1:5 dilutions, using the solution above, what is the concentration of the final solution?
Carbon monoxide and water vapor, each at 190 Torr, were introduced into a 250 mL container. When the mixture reached equilibrium at 690 ?C, the partial pressure of CO2(g) was 108 Torr.
What is the molarity of calcium hydroxide solution if the titration requires 74.70 ml of the acid to reach the endpoint?
A solution of water (Kb=0.512 C) and glucose freezes at 4.15. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 .
if you were to use IR spectroscopy how would you differentiate between acetone, water, and diethyl ether? (include values and relate them to functional groups)
before a plate is developed. What would happen if a plate were developed in a jar with an atmosphere not saturated with solvent vapor?
An equilibrium mixture for the reaction above contains [H2] = 1.00 M, [N2] = 1.50 M, and [NH3] = 2.00 M. What is the value of the equilibrium constant, Kc, for the reaction?
The activation energy for the formation of HCl from its elements: H2 (g) + Cl2 (g) → 2 HCl(g) is 155 kJ mol-1. How much faster will this reaction occur at 200°C versus at 100°C?
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