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Explain which of the compounds have just bonding pairs of electrons as well as around the central atom?Explain which have a single nonbonding pair of electrons around the central atom?Explain which have two nonbonding pairs of electrons around the central atom?
How many grams of are CaH2 needed to generate 147L of H2 gas if the pressure of H2 is 827 torr at 20 C?
A gas occupying a volume of 1.50 L exerts a pressure of 700 mmHg at 200 degrees C. Which mathematical expression gives the correct pressure at 6.00 L and 400 degrees C?
what causes an increase in the solubility of a gas in a solvent in which the gas does not react with the solvent to form a new substance?
Calculate ?G' and Kp for the following equibibrium reaction at 25'C/ The ?Gf' values are 0 for Cl2(g), -286 kJ/mol for PCl3(g), and -325 kJ/mol for PCl5(g).
Consider the reaction CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much CaCO3 is produced if 47.5 moles NH3 are produced
In a crazy situation the Oylan Vinegar Company has 10,000 gallons of vinegar with a concentration of .114 M. It also hass a .68% acetic acid by mass
The following reaction has achieved equilibrium. Predict the effect on the formation of phosphorous pentachloride (increase, decrease or no effect) for the stated changes to the system
A sample of ammonia, NH3, contains 3.3 x 1021 hydrogen atoms. How many nitrogen atoms are in this sample?
how to find the maximum percentage yield of the ketene when the phase-gas decomposition of acetic acid at 1189k
What is the ration of the concentrations of H2PO4- and HPO42- at (a) pH 7.0; (b) pH 7.5; (c) pH 8.0
the chlorine in a 0.125g sample of the compound was converted to CL and by reacting it with AgNO3, all the chlorine was recovered as the solid AgCl. The AgCl, when dried was found to weigh 0.251g. What is the empirical formula of this compound
You have 0.3991 g of an unknown monoprotic acid, HA, which reacts with NaOH according to the balanced equation HA + NaOH ® NaA + H2O
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