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there is an old question that goes like this a space explorer moving through the middle of intergalactic space very
for each of the subsequent ground state atoms predict the type of orbital 1s 2p 3d 4f etc from which an electron will
a rod 71 cm long is uniformly charged and has a total charge of -114 microc find the magnitude of the electric field
if pure nocl heated to 240c in 1 liter as well as at equilibrium the total pressure is 1atm and the pressure of nocl is
state lewis dot formulas for each of the following and understand whether they are linear trigonal pyramidal bent or
astronomy subject this question might look long but most of the sentences are hints actually i believe it should not
in internal combustion engine running on octane for which the enthalpy of combustion is -5512 kj mol-1 the mass of one
large insects such as locusts can jump as far as 75cm horizontally a level surface an entomologist analyzed a
the electron microscope has been widely utilized to obtain highly magnified images of biological and other types of
a rock is thrown off a 120m cliff at a velocity of 29ms37 degrees above horizontal what is the final velocity of the
a human hair is about 800 microm thick if one uses a concave mirror with a focal length of 250 cm and obtains an image
a catapult on a cliff launches a large round rock towards a ship on the ocean below the rock leaves the catapult from a
one of the two most common ingredients in medication designed for the relief of excess stomach acidity is the
500ml of rhubarb juice are titrated with 01000 m naoh and 348ml of this naoh solution are necessary for neutralization
a solution of 01 gml of a pure r enantiomer in a 1 dmpolarimeter rotates plane polarized light by 48 degrees explain
explain what is the enthalpy change for the formation of pbos from lead metal and oxygen
define what kind of redox reaction each reaction below is identify the oxidizing and reducing agentsa 2 cas o2g ---gt
state mechanism of aniline to acetanilide using ethanoic acid and ethanoic anhydride then write mechanism of
rubidium chloride adopts the rock salt structure compute the radius of the rubidium ion if the density of rbcl is
compute the radius of a cesium ion in cscl if the density is 397gcm3 as well as it is assumed that the ions touch
in metallic magnesium define what fraction of the molecular orbits contained in the valence b as well as plus the
a solution is prepared by dissolving 49g sucrose in 175g water explain what the boiling point of this solution is
explain what is the ph of 3550ml of an aqueous solution containing 0607 g of the strong acid trifluoromethane sulfuric
state the mechanistic equations for each step in the preparation of p-bromoaniline from aniline showing how all
the chemical formula for caffeine is c8h10n4o2 define how many grams of carbon are present in a 1246 gram sample of