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a spherical mirror is polished on both sides when utilized as a convex mirror the magnification is 14 what is the
a drop of water on countertop reflects light from a flower held33 cm directly above it the flowers diameter is 22 cm
an object is placed 12 cm in front of a concave mirror whose focal length is 20 cm the object is 38 cm tall establish a
the resolution of the eye is eventually limited by the pupil diameter what is the smallest diameter spot the eye can
define why trans-p-anisalacetophenone would be expected to be additional stable than the corresponding cis
a student mixes 500ml of 100m baoh2 with 799ml of 375m h2so4 calculate the ph of the mixed
identify the nucleophile as well as electrophile involved in the rate-determining step of the synthesis of
a gaseous compound containing carbon as well as hydrogen was analyzed and found to consist of 8365 carbon by mass at
the subsequent reaction is carried out in a 25 l reaction vessel 2hgo 2hg o2 at the beginning of the reaction 147 mol
rank the subsequent compounds in order of decreasing surface temperature at a given temperature ch3oh ch3ch3
explain the rate of a reaction is 150mmin at room temperature define if the reaction is conducted in a refrigerated
explain why is it necessary to add an acid catalyst such as hcl or sulfuric acid while there is already a carboxylic
state chemical equations for the formation of the following fischer esterification products- ethyl acetate phenyl
you standardize a solution of kmno4 by titration with a solution of oxalic acid you weight out 1378g h2c2o4bull2h2o and
explain an aqueous of solution of phosphoric acid typically 5 by weight h3po4 p103 g ml-1 is sometimes used to remove
explain the wall of the flask is periodically rinsed with the previously boiled deionized water from the wash bottle
synthesize the subsequent compound starting with benzene 2-t-butyl-4-benzoic-1-sulphonic acid demonstrate the reactions
based on the results of your tests you have find out chemical formula for copper ii sulfide define how you determined
determine the values for the enthalpy changes of formation of naohaq hcl aq koh s and koh aq in an appropriate work and
for each of the subsequent molecules offer a lewis structure comprising resonance and formal charge forecast the
explain how many grams of ammonia can be produced from the reaction between 7352 g nitrogen and 6380 g hydrogenn2 h2
define if 250ml of 015m k2cro4 and 250ml of 0025m pbno32 are mixed to generatepbcro4 and the resulting volume is
while a sample of hydrogen sulfide h2s gas weighing 046 grams is burned in a bomb calorimeter with excess oxygen the
define the first step in preparation of the metal lead from its ore is to roast the galena ore to make lead oxide2pbss
while 056 g of nas reacts with excess f2g to form nafs 138 kj of heat is evolved at standard-state conditions define