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563 g of calcium chloride is dissolved in enough water to give 400 ml of solution what is the molarity of the
feo2rarrfeo or fe2o3the reaction above shows two possible products that can result from the reaction of elemental iron
an automobile gasoline tank holds 21 kg of gasoline when the gasoline burns 84 kg of oxygen is consumed and carbon
1 consider the following chemical reactionn2g 3 h2g rarr 2 nh3g balancedif 542 g of nitrogen gas are reacted with 542
write the formula of nbspthese reactions or write no reaction if there is none1 bacl2nbsphn032 bacl2 nach3c023 nh3
an aircraft has been sold to a company that wishes to use it for delivering humanitarian supplies to areas of natural
bacl2 naoh nh3 nh4cl hclhn03 cus04agno3 na2co3 nach3c02each of the above is nbspsolution of 01mquestions1 of the six
suppose you ran this same reaction using the balloon setup as seen in the video on your own with two different flasks
if the amount of ir-192 produces 1000 times the safe level of radiation how long will it be before the radiation level
1 define radioactivity decay2 what is predictable about radioactive decay what is unpredictable3 describe how half-life
can you explain how to find the ph of a lake given a carbonate system with added limestone and nitric acid given the
among sulphuric acid phosphoric acid and trifluoroacetic acid which one is the least hazardous as
at a certain temperature the kp for the decomposition of h2s is 0730h2s g lt-----gt h2 g s ginitially only h2s is
carbon disulfide is prepared by heating sulfur and charcoal the chemical equation iss2g c s lt----gt cs2
carbon disulfide is prepared by heating sulfur and charcoal the chemical equation iss2g c s lt----gt cs2 g kc 940 at
consider the following reactionaaq lt---gt 3baq kc 285x10-6 at 500kif a 400 m sample of a is heated to 500 k what
safrole is a topical antiseptic calculate the mole fraction ethanol in a solution prepared by dissolving 53mol of
1 you have 100 ml of a solution of atp you take 50 microl and dilute it to a final volume of 2000 microl the absorbance
1 what are all of the decomposition reactions2 identify the spectator ions in the following reactionca2 aq 2no3-aq2naaq
what is the ph at the equivalence point in the titration of a 192 ml sample of a 0388 m aqueous nitrous acid solution
1 if a pressure in the system is 12 atm its volume is 31 l and the temperature is 87 c what amount of gas is present in
a catechin can undergo acidbase chemistry draw the structure of catechin in solution after excess calcium hydroxide has
fossil fuel power plants operate by using the energy from burning fuel such as coal to boil steam a coal power plant
when a 289 ml sample of a 0425 m aqueous acetic acid solution is titrated with a 0418 m aqueous sodium
determine the ph of a solution that is 345 koh by mass assume that the solution has density of