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Write the balanced equation for the ionization of the weak base pyridine, C5H5N, in water, H2O. Phases, such as (aq) or (l), are optional.
what is the chemical formula for potassium
Compounds in a and b were named incorrectly. On a sheet of paper draw the molecule that fits the given description. From the structure you drew determine the correct IUPAC name. Write the correct IUPAC name in the blank.
the mass of a cube of iron is 434 g. iron has a density of 7.87 gcm3. what is the mass of a cube of lead that has the
What volume of 1 M NaOH would you need to add to 200 mL of 0.2 M acetic acid solution to achieve a pH of 7.0 (the pKa of acetic acid is 4.76)? A)0.23 mL B)6.952 mL C)173.8 mL D)39.77 mL
Calculate the solubility product constant for Pb(IO3)2 (4.3 x 10^-5 M), given that the molar concentration of saturated solution is as indicated in parenthesis.
If 3.70 mol of ethane, C2H6, undergo combustion according to the unbalanced equation given below, how many moles of oxygen are required? C2H6 + O2-> CO2 + H2O
benzene is a hydrocarbon that is commonlynbsp used as a commercial solvent. however it isnbsp carcinogenic i.e.
Looking at the table of first ionization energy, if the n=1 shell held 3 electrons max instead of 2, then the first ionization energy for Li(g) would be around _____ MJ/mol.
The gasoline combines with 340.0 kg of oxygen. What is the total combined mass of the carbon dioxide and water produced by combustion in the engine?
Given chemical reaction is used to produce electricity in lead storage battery that used in automobiles generally.
Neutron stars are believed to be composed of solid nuclear matter, primarily neutrons.If the radius of a neutron is 1.0 × 10-13 cm, calculate the density of a neutron in g/cm3. (volume of a sphere = ) Assuming that a neutron star has the same dens..
If the pressure of chloroform vapor in a flask is 154 mm Hg at 25.0°C, and the density of the vapor is 1.25 g/L, what is the molar mass of chloroform?
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