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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)
A 20.00 mL sample of 0.1026 M HCl was titrated with NaOH solution. The initial buret reading was 0.25 mL, and the final reading was 18.78 mL.
An aqueous solution has a density of 0.80g/mL and is 51.0% C2H6O by mass. Determine the molar concentration of C2H6O.
In vibrational motion of HI (g), the iodine atom essentially remains stationary because of its relatively large mass. Assume that the hydrogen atom undergoes harmonic motion and that the force constant is 313.8 N/m
What are the steps to drawing the line-bond structure for hexane and how do you know what angle each carbon forms
The entry of Na+ provides a free-energy input of 10.8 kJ/mol under typical cellular conditions (external [Na+] = 143 mM, internal [Na+] =14 mM and a membrane potential = -50 mV). What is the ratio of glucose concentration outside and inside cells?
consider the ring structure of beta-D-glucose. it will give a positive test as a reducing sugar. How can that happen
If a non-cyclic alkane shows a molecular ion peak at m/z 464, what is the chemical formula
Use the following data to calculate the combined heat of hydration for the ions in sodium acetate (NaC2H3O2): Hlattice = 763 kJ/mol; Hsoln = 17.3 kJ/mol
Calculate the solubility of each of the following compounds in moles per liter. Ignore any acid-base properties. (c) PbI2, Ksp = 1.4x10^-8
In the process of isolating iron from its ores, carbon monoxide reacts with iron (III) oxide, as described by the equation
three gases nitrogen helium and krypton are confined in a 4.00 l vessel at a pressure of 14.0 atm. the vessel contains
A gas occupies a volume of 2.45 L at a pressure of 1.03 atm. What volume will the gas occupy as the pressure changes to 0.980 atm.
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