Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
write a chemical equation for the reaction that occurs between stearic acid and triethanolamine under the conditions of
in the protocol considerations it was suggested that you use a blank solution containing the fertilizer solution when
for the reaction 2 cr2aqnbsp nbsp cl2g 2 cr3aqnbsp nbsp 2 cl-aq the value of edegcell is 178 voltnbspwhat is the value
compounds a and b elute from a chromatographic column after 14 and 18 minutes respectively the time required for the
a substance with a partition coefficient of 25 is extracted into an organic phase by successively using 5 equal volumes
what is the maximum number of electrons that could have l1 and ms-12 in the ground state electron configuration of the
aluminum is a reactive metal it reacts with oxygen to form aluminum oxide as shown below4 als 3 o2g rarr 2 al2o3swhen
the enthalpy change for a strong acid-strong base reaction is -56 kjmol consider a coffee-cup calorimeter in which 010
a 500ml samle of a 100m solution of mgso4 is mixed with 500ml of 200m naoh in a calorimeter the temp of both solutions
a 70 g sample of a hydrocarbon a molecule that has only hydrogen and carbon is subject to combustion analysis the mass
a chemical reaction produces co2g if 44 g is produced at 10 atm and 25degc what volume will the gas occupy assume that
1 please describe what was unique about samuel kistlers experiments in 1931 that led to the development of aerogels and
a molecule with see-saw molecular geometry has the molecular formula xo2f2 which of the elements below could be xa teb
1 what problem occurs if a student turns off the aspirator before detaching the tubing at a connecting point2 what
1 why use more than one mobile phase for column chromatography in the experiment k22nbsphow do fumaric acid and maleic
1 what is the general rule for predicting solubility2 why is it better to do two smaller extractions with methylene
if you used 100g calcium chloride cacl2 in an experiment how many moles cacl2 did you use mw ca 40 mw cl 35 show all
cyclobutadiene 1 can be hydrogenated to give cyclobutane 2 similarly cyclobutene 3 can also be hydrogenated to give
designing a synthesis of alcoholnbsp1nbsppresents a challenge why what is this challengea forming a c-c bond two
consider thenbspretrosyntheticnbspanalysis for the target aldehyde shown attachednbspif the starting materials are
if you are buying fertilizer for your lawn should it be high or low in n p andor k do not give specific numbers give a
for this case assignment you will look more closely at important reactions that drive human physiology and the
what is the main use for the compound ccl2ccl2 what is the systematic name for this compound what type of bonding does
in the first part of this lab you prepared a nabr solution that is approximately 02 m considering that molarity is
a gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions it