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Write complete and balanced net ionic equations for the reaction that occurs between the following pairs of reagents. If no reaction occurs, so state.
A. BiCl3(aq) and H2S(aq) under acidic conditions
B. Cu(OH)2 (s) and NH3(aq)
C. As2S3 (s), H2O2(aq) and NaOH(aq)
How would you use an experimental distillation curve to determine the percent, by volume, composition of an unknown mixture
A hydrated form of copper sulfate (CuSO4·x H2O) is heated to drive off all the water. If we start with 9.47 g of hydrated salt and have 5.29 g of anhydrous CuSO4
Determine the geometry about each interior atom in each molecule. (Skeletal structure is indicated in parentheses) CH3NH2(H3CNH2), CH3CO2CH3(H3CCOOCH3, both O atoms are attached to second C), NH2CO2H (H2NCOOH both O atoms are attached to C)
Draw a formula for the lowest molecular weight compound that contains C, H, and possibly O, is a chiral compound, contains ONLY one functional group, and is a(n) carboxylic ester. Alkene or alkyne groups are considered as functional groups.
explain why cis-1-chloro-4-t-butylcyclohexane reacts rapidly with sodium ethoxide while the trans-isomer react slowly
Determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
What is the identity of the precipitate and what is the change in enthalpy of the reaction per mole of copper? Assume the calorimeter absorbs negligible quantity of heat and the specific heat and density of the solution are that as pure water.
Which of the following represents the energy that is not available in a system to do work at a particular temperature
a 1.60 g sample of a large biomolecule a nonelectrolyte was dissolved in 18.0 g of carbon tetrachloride. the boiling
A reaction has a standard free energy change of -11.50 kj/mol^-1. Calculate the equilibrium at 25 degrees celcius
A compound containing nitrogen and oxygen is decomposed in the laboratory and produces 1.78 of nitrogen and 4.05 of oxygen emperical formula
Lewis Structure for a Nitrate Ion (NO3-1). For the correct structure of the nitrate ion, what is the bond angle from O-N-O?
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