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Explain a water pipeline is obstructed by a limestone (CaCO3 (s)) of 100g. Explain what is the volume of hydrochloric acid molar concentration required to be used by a plumber to dissolve the solid and the lead pipe?
draw the molecule 1-(4-methoxyphenyl)-2-methylpropan-1-ol. number the carbons on the molecule and identify all the functional groups characterized by the molecules name.
what mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 160 min. using a constant current
in the alkylation of cyclopentanone better yields are obtained by first reacting cyclopentanone with an equivalent of
a 227 ml benzene solution containing2.53 g of an organic polymer has anosmotic pressure of 8.63 mmhg at 21degc.
Identify the alkaline Earth metal. Express your answer as a chemical formula. Write the formula for the metal hydride. Express your answer as a chemical formula.
Phthalocyanine is a large molecule used in printing inks and dyes for clothing due to its insolubility in most solvents, its chemical stability, and its intense blue color.
Each has a unique set of wavelengths associated with it, how are these different wavelengths generated
Which of the following involve an increase in the entropy of the system under consideration?
Tetraphosphorus decaoxide reacts with water to form phosphoric acid, a major industrial acid. In the laboratory, the oxide is used as a drying agent.
A beaker with 100 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.80 mL of a 0.490 M HCL solution to the beaker.
An equilibrium mixture of PCl5(g), PCl3(g), and Cl2(g) has partial pressures of 217.0 Torr, 13.2 Torr, and 13.2 Torr, respectively. A quantity of Cl2(g) is injected into the mixture, and the total pressure jumps to 263.0 Torr.
190 ml of an hcl solution with ph of 2.60 is added to 200 ml of an hno3 solution. the resulting ph is 1.40. what was
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