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The Greater Vancouver regional district chlorinates the water supply at a rate of 1.00ppm. The chlorine is introduced in the form of sodium hypochlorite, which is 47.62% chlorine by mass. If there are 1.8 million people served by this water and each person uses 750 L of water a day, how many kilograms of sodium hypochlorite must be added to the water supply each week to maintain the 1.00ppm chloride level?
The wedge is connected to a pendulum and swings through an arc and hits the sample at the bottom of the arc. The sample breaks and the wedge continues its swing to a height of 0.5 m. The energy required to break the sample is closest to
Calculate the minimum mass of MnO2 required to generate 5.32 L of gaseous chlorine, measured at a pressure of 0.953 atm and a temperature of 33 °C.
the electronic configuration [Ar]3d2. Using the extended Hund's rules, determine the term symbol of the lowest energy state of Ti2+.
what are the equilibrium concentration of N2 C. If the initial concentration of NO is 0.177M , what are the equilibrium concentration of O2
A sample containing both enantiomers is found to have an observed rotation of +0.87 degrees in a one dm tube at a concentration of 0.025 g/mL. What is the optical purity of the sample? What is the % of the dominant enantiomer in this sample?
Write a mechanism for the conversion of 1-butanol to 1-butyl bisulfate, indicating the flow of electrons.
What is the mole fraction of pentane in a pentane-hexane solution that has a vapour pressure of 308 torr at 25 oC? (At 25 oC the vapour pressure of pure pentane is 511 torr and that of hexane is 150 torr.)
You are asked to prepare an aqueous solution of ethylene glycol (HOCH2CH2OH) with a mole fraction of 0.142.
How many dimes do you need to buy as much candy as possible? How much should all these dimes weigh? How many pieces of candy could you buy? How much would this candy weigh? How many pieces of candy could you buy with twice as many dimes?
Glucose Isomers, When glucose is placed in water two stereoisomers are formed, one with the new OH on the opposite side of the ring than the 6th carbon
Calculate and compare the rms speeds of CO and Cl2 at 300. K. rms speed of CO m/s rms speed of Cl2 m/s
suppose the pressure inside a pressure cooker reaches 1.3 atm. By using the vapor-pressure table, estimate the temperature at which water will boil in this cooker
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