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Write the name and chemical formula of the following compound containing Sodium and Oxygen. Write the name and charge of the cation. Write the name and charge of the anion.
Hexane has a negligible absorbance above 200nm. S sample of Hexane containing 20.0 mg/L of an aromatic compound (MW=114.3 as impurity had an absorbance value of 0.351 at 254 nm in a 2.00 cm pathlength cuvet
Compare the mass of H2 expected from the reaction of steam H2O per mole of methane, petroleum and coal. Presume complete reaction in each case. Utilize CH2 and CH as representative formulas for petroleum and coal, respectively.
Get ready a buffer solution from 10.0mL of 0.100 M MOPS 3-morpholinopropane-1-sulfonic acid and 10.0mL of 0.082 M NaOH. Next, you add 1.00mL of 8.97 Ã10-6 M lidocaine to this mixture
Determine the maximum number of electrons that can exist in a completely filled n=5 level. Give four possible quantum numbers for a 5f electrons of the hydrogen atom
If you were to explain the field of microbiology to a high school student, how would you describe it? What is the field of microbiology all about?
The carburizing gas holds the surface composition at 1% carbon for all t > 0. If D=1.4 x 10^-7 cm^2/sec: (a) Calculate the time required at the carburizing temperature
How much heat in kilojoules is required to warm 10.0 g of ice, initially at -10.0^\circ C, to steam at 110^\circ C. The heat capacity of ice is 2.09 {\rm J}/{\rm g} ^\circ {\rm C} and that of steam is 1.84 {\rm J}/{\rm g} ^\circ {\rm C}. q=?kJ
When .422 g of phosphorus is burned, .967 g of white oxide is obtained. Determine the empirical formula of the oxide
Assuming levels of atmospheric CO2 are 390 ppm CO2, what is the pH of rainwater in equilibrium with the atmosphere for the estimated future atmospheric CO2 concentration of 780 ppm,v.
How many grams of dry need to be added to 1.50 of a 0.600 solution of ammonia, , to prepare a buffer solution that has a of 8.59? for ammonia is.
The river has an ultimate CBOD of 10 mg/L as well as is flowing at a rate of 8 m3/s. Presumptuous a reaction-rate coefficient of 0.1/day, compute the ultimate and 5-day CBOD of the waste at the point of discharge (0 km) and 20 km downstream. The r..
What is the molar composition of the vapor in equilibrium with a boling liquid that has a composition of 60% A and 40% B
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