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Stock Standard (mother): Methyl Orange 0.1000 g/L = 100 mg/L
How to find concentration of sample when taken 5mL of the mother solution and diluting it up to 100mL with distilled water.
Define the ionization energies corresponding to removal of the third, fourth, and fifth electrons are 4581 kJ/mol, 7465 kJ/mol, and 9391 kJ/mol, respectively. Define why removal of each additional electron requires more energy than removal of the ..
1) A V.O.C; a] paint thinner b] blood c] plasma d] a b c 2) The noble gases; a] have complete shells b] do not react c] very volatile d] b and c
Offer a full mechanism for the synthesis of 2, 5-di-t-butyl-1, 4-dimethoxybenzene. Comprise all charges major resonance structures and intermediates. Utilize arrows to clearly show bonds forming and breaking between atoms
Determine the molarity of a solution made by dissolving 24.8 g of sodium chloride in 750.0 mL of solution
While a 1.150 g sample of iron ore is treated with 50.0 ml of HCl the iron dissolves in the acid to form a solution of FeCl3. The FeCl3 solution is diluted to 100.0 ml and the concentration of Fe3+ ions is determined by spectrometry to be 0.095 mo..
Consider a reaction in which two reactants make one product (for example, consider the unbalanced equation A + B = C). You know the following: 2.0 moles of A (with an excess of B) can make a maxiumum of 2.0 moles of C
a gaseous sample of a compound has a gas density of 0.977 gl at 710.0 torr and 100.0 c. what is the molar mass the
What is the wavelength (in nm) of the line in the spectrum of the hydrogen atom that arises from the transition of the electron from the orbital with n =3 to the orbital
Carboxylic acids have higher than expected boiling points due to dimeric associations involving hydrogen bonding. The structure of 3-methylbutyric acid is shown below. Draw a second molecule of 3-methylbutyric acid
For a 0.13 M solution of formic acid, HCOOH, the pH = 2.40. Calculate Ka for formic acid.
a 40-year-old manager at a prominent legalfirm in l.a. experiences abdominal pain post lunch. he goes to therestroom a
a 5 mw gas turbine power plant is reported to have a thermodynamic efficiency of 35. assume products of reaction exit
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