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what was the purpose of using aq naoh in aldol condensation lab a it acts as an electrophile on which an enolate ion
when 0941 mol of gaseous hi is sealed in a 100-l flask at 225degc it decomposes until the equilibrium amount of i2
a man pushes a wooden crate on wooden floor the direction of the force is 30o from the horizontala how much force does
a 320 hp car engine can deliver that maximum power at 7000 rpm what is the engines torque at that speed show your
which of the following correctly shows intrachain hydrogen bonding in an alpha-helix a -nh hn- b -co hc- c -co hn- d
a 1500-kg car starts from rest to reach 600 milesh in 750 sa how much work is done by the engine during the
a 500 kg object slides down a 30o angle slope from rest at a height of 120 m the coefficient of kinetic friction
n-acetylglutamic acid is an important regulatory molecule for the urea cycle assuming that n-acetylation of the amino
an inclined plane has a height of 0383 and is 120 cm long a car with a mass of 573 grams travels down the plane in 042
three forces are applied to a solid cylinder of mass 12 kg see the drawing the magnitudes of the forces are f1 15 n f2
when a solution containing equal moles of hemoglobin and myoglobin is bubbled with a small amount of o2 a hemoglobin
an x-ray photon frequency 3x10 hz collides with an electron at rest and is scattered through 90 degrees what is the
a figure skater is spinning with an angular velocity of 14 rads she then comes to a stop over a brief period of time
calculate the ph of an hcl solution if 165 ml of this hcl solution is titrated with a 0454 m naoh and it took 565 ml of
a 1048-m ladder with a mass of 244 kg lies flat on the ground a painter grabs the top end of the ladder and pulls
draw the major organic product for 2r3s-2-bromo-3-methylpentane reacting with the given nucleophile indicate
the angular speed of the rotor in a centrifuge increases from 423 to 1404 rads in a time of 520 sa obtain the angle
which of the following best describes a competitive inhibitor i a as i increases there is a decrease in vmax and an
for serine pkalpha-cooh 221 and for leucine pkalpha-cooh 236 if a mixture of 10 millimoles each of serine and leucine
an electron moving in one dimension is confined between two walls seperated by a distance l 10-10 m suppose the
which solution has highest ph a 15 mm formic acid ka 177 times 10-4 b 15 mm acetic acid ka 174 times 10-5 c 15 mm mes
the n 2 state of hydrogen has a lifetime of about 10-8 sec suppose the atom jumps from the n2 state to the ground
at what ph does the tripeptide ala-val-cys have a net charge of -08 a ph 44 b ph 60 c ph 76 d ph 88 e ph
you hear a fire truck with a certain intensity and you are about 1 mile away another person hears the same fire truck
one enzyme under study in a is peptidylglycine alpha-amidating monooxygenase pam the molecular weight of monomeric pam