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1 activity series are prepared by comparing single-displacement reactions between metals based on observations the
1 draw an orbital overlap diagram to represent the bonding in ammonia nh32 draw the lewis structure and structural
make hot ice from vinegar and baking soda or any method to easy to do and get resultcan find indeitical reactant and
a student mixed a dye with bleach and monitored the reduction of the concentration of dye over the course of 15 minutes
delta g for reaction 2co2-gt 2co is -280kj delta g for reaction 2zno2-gt 2zno is -640kj what is delta g for the
a sample of 01687g of an unknown monoprotic acid was dissolved in 250 ml of water and titrated with 01150 m naoh the
ocean water typically contains approximately 35 moles of salt ions dissolves in each 1000 moles of water assuming that
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tissue engineering is an amazing controversial and rapidly expanding area of research with a broad range of potential
what are lewis structures and how are they useful in describing the nature of chemical bonding is more than one lewis
from 1gc12h22cuo14 45384c12h22cuo14 gmol x 1molc12h22cuo14 1molc12h22cuo14 x 6355cumol 014gcu is the final answer
suppose that 104nbspgnbspof rubbing alcoholnbspc3h8onbspevaporates from a 530nbsp-gnbspaluminum blockif the aluminum
calculate the amount of heat required to completely sublime 210 g of solid dry ice co2at its sublimation temperature
pjs unknown solid 1 dissolves in hot ethanol 2 is essentially insoluble in hexane and 3 is insoluble in cold water but
the half-life of carbon-14 is about 5700 years if you left those 100 carbon-14 atoms to sit around for 5700 years how
lead metal is added to 0140 m cr3 aq pbs 2cr3 aq pb2 aq 2 cr2 aq kc 3210-10a what is pb2 when equilibrium is
determine the ph of a solution that is 38 times10-2 m hcldetermine the ph of a solution that is 2 times10-3 m
what is the total number of joules of heat absorbed by 65 grams of water when the temperature of the water is raised
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enough of a monoprotic acid dissolved in water to produce a 00117m solution the ph of the resulting solution is 252
what are two elements that produce background radiation on earth and what do their decay equations look
can you answer the following questions by writing a well developed paragraph answering all parts of the question and
a bone fragment from a cave was known to be used by netherlands and is known to be 36000 years old what would be 14c in