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what kind of conceptual questions for acid and base is hard and need to focus on please give me some
1 calculate the standard enthalpy change for the following chemical equation using the supplied reactions
calculate the energy for the transition of an electron from thenbspn8nbsplevel to thenbspn2nbsplevel of a hydrogen
calculate the energy for the transition of an electron from the n3 level to the n7 level of a hydrogen atomdelta e
describe in detail the duration coupling in a skeletal muscle cell and describe on a molecular basis the resulting
suppose 0348 g of zinc iodide is dissolved in 150 ml of a 280 mm aqueous solution of potassium carbonatecalculate the
jim had a short night he spent all of it except about 2 hours studying for his chemistry test this morning as he was
use hesss law and the reactions found onnbspthe table of standard enthalpies of formationnbspto findnbspdeltah for the
suppose 499 g of ironii chloride is dissolved in 3500 ml of 0600 m aqueous solution of silver nitrate calculate the
a 1000 ml sample of brackish water was made ammonical and the sulfide it contained was titrated with 1647 ml of 002310
how can we be sure there is no electron transfer involving so4 2-nbspin the lead-acid battery car battery reaction pbs
a 07121 g sample of a wheat flour was analyzed by the kjeldahl methodthe ammonia formed by addition of concentrated
bauxite aluminium oxide is a rock ore that can be reacted with solid elemental carbon to form carbon dioxide gas and
suppose that unknown solids were issued as unknowns in this experiment what changes in the experiment can be
a gas that has a volume of 28 liters a temperature of 45 0c and an unknown pressure has its volume increased to 34
need help reading ir chart to figure out what the compound isattachment-
is project control different in an agile project what is the role of a project manager in controlling an agile
assume you are a project manager in your organization what is your companys organizational structure how would you
question 1 ha is a weak acid its ionization constant ka is 53 x 10-13 calculate the ph of an aqueous solution with an
question 1 what volume in ml of a solution 0183 m in caoh2nbspmust we use to neutralize 287 ml of a solution 0385 m in
use the following information on ga to determine the amounts of heat for the three heating steps required to convert
1 which of the following contains the largest number of oxygen atoms15 mol h2o214 mol co214 mol so325 mol h2o2
1 if an automobile air bag has a volume of 113nbsplnbsp what mass ofnbspnan3nbspinnbspg is required to fully inflate
if one litre of calcium carbonate solution contains 534 x 10-3nbspmol what is the corresponding mass of calcium