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Compare solutions 2 and 4. How does the common-ion effect influence the pH of solution 4? Please explain fully, and calculate the expected pH of each of these solutions.
1) 5 mL 0.10 M HC2H3O2 + 5 mL H2O
2) 5 mL 0.10 M HC2H3O2 + 5 mL 0.10 M HCl
A certain atom is bombarded with a neutron and changes into Lithium 7. What was that atom? (It is a fission reaction)
which of the binary compounds formed by the following pairs of elements contain polar covalent bonds. Check all that apply. A) C and Fe B) Na and O C) Al and S D) Se and O which from above are considered ionic compounds
The selection of enantiomerically pure (1S)-[endo]-(-)-borneol in the upcoming experiment presents a great opportunity to review some stereochemistry basics
When the valve between the 2.00 L bulb, in which the gas pressure is 3.00 atm, and the 3.00 L bulb, in which the gas pressure is 2.50 atm, is opened, what will be the final pressure in the two bulbs?
Attractive intermolecular forces exist between the molecules in the gas. The effect of these attractive intermolecular forces in a real gas is to
butane has a heat of vaporization of 22.44 kJ/mol and a normal boiling point of -.4 degrees Celsius. A 250 mL sealed flask contains .75 g of butane at -22 degrees C.
Calculate the pH of the solution obtained by dissolving 0.2 moles of glycine and 0.1 mole NaOH in a liter of water.
Give two reasons why the product is concentrated in the distillation flask during a continuous solid-liquid extraction. 2) what difficulties may be encounter during the determination of the melting point of caffeine?
a 25.0 ml sample of river water was titrated with 0.0010 m na2cr2o7 and required 8.3 ml to reach the end-point. what is
Procedure for Using Hess's Law; for Part C, What is the enthalpy for the following reaction
Include all reaction steps, a detailed mechanism and all reagents necessary. Make a note of any special purification steps if necessary. Synthesize 1,3,5-tribromobenzene from benzene or toluene.
if 3.30 moles of ethane c2h6 undergo combustionaccording to the unbalanced equation c2h6o2--gt co2h2o how many moles of
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