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problem- a silicon ribbon measuring 100 micron thick 5 mm wide and 1 m long has 5 volts applied across its long
problem- take a topic in chemistry and explain it from a real world perspective im looking for you to relate something
problem- a 700 ft3 tank of octane 351 lb-mol of octane combusts what volume of carbon dioxide is produced at
problem- phosphoric acid h3po4aq is a triprotic acid meaning that one molecule of the acid has three acidic protons
problem- calculate the ph for each of the following cases in the titration of 250 ml of 0190m pyridine c5h5naq with
problem- if the ka of a monoprotic weak acid is 14 times 10-6 what is the ph of a 033 m solution of this acidi am not
problem- 5000 ml of 0130 m naoh is added to 555 ml of 0200 m weak acid ka 711 times 10-5 what is the ph of the
problem- a sample of galliumiii sulfite ga2so33 contains 195 mol of sulfite ions the number of moles of galliumiii ions
problem- an unknown strong acid or strong base spill you dont know which has occurred in the laboratory you have at
problem- what would the formula be for the weak acid or conjugate base created when nh3 is added into a solution of
problem- what would the formula be for the weak acid created when ch3cooh is added into a solution of equal parts na2
problem- write a balanced half-reaction for the reduction of permanganate ion mno4- to mno2 in a basic solutionwrite
problem- use oxidation states to identify the element that is oxidized and the element that is reduced in the following
problem- a solution is prepared by dissolving 05842 g of oxalic acid h2c2o4 in enough water to make 1000 ml of solution
problem- click the deltah is an extensive property button within the activity and analyze the relationship between the
problem- which has the higher reaction rate- ethene or 2-butene follow up is the compound with the higher reaction rate
problem- a sample container of carbon monoxide occupies a volume of 435 ml at a pressure of 785 torr and a temperature
problem- which of the following ideal aqueous solutions would be predicted to have the highest osmotic pressurea 300 m
problem- what mass in grams of methanol ch3oh would need to be added to 250 grams of water to make an ideal solution
problem- if i have 25g of na2co3 how much distilled water would i have to mix it with to obtain a 10m solution of
problem- calculate the ph of a buffer solution obtained by dissolving 170 g of kh2po4s and 320 g of na2hpo4s in water
problem- calibration of a glass electrode gave a reading of 1245 mv with saturated potassium hydrogen tartrate buffer
problem- starting with benzene and any alkyl halide with four or fewer carbons and any needed inorganic reagents show
problem- write an equation for the precipitation reaction that occurs when potassium carbonate and nickelll chloride
problem- the concentration of na ions in red blood cells 70 mm and in the surrounding plasma 1430 mm are quite