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137 g h2 is allowed to react with 988 g n2 producing 213 g nh3part a what is the theoretical yield for this reaction
an object with a mass of 2 kg is moving along a horizontal surface with velocity components vx4 ms and vy 35 mswhat is
a long solenoid with its axis along the x axis consists of 180 turns per meter of wire that carries a steady current of
a healthy heart pumps about 70 ml of blood in one heart beat the average pressure exerted is about 100 mm-hg and there
what volume of 60 m sulfuric acid is required for the preparation of 5000 ml of 030 m
a man with a mass of 800 kg is out fishing with his daughter who has a mass of 350 kg they are initially sitting at
a wind is blowing with velocity v2 10 ms over your house inside the house the air is still v1 0a as a result of the
what is the ph of a solution containing 45ml 01m acetic acid when it is titrated by 0015m naoh the solution is at
a circular loop of wire with a radius of 150 cm and oriented in the horizontal xy-plane is located in a region of
a 04 kg mass attached to a spring is pulled back horizontally across a table so that the potential energy of the system
potassium hydrogen phthalate often called simply khp is an acidic salt compound the hydrogen is slightly acidic and it
a sled and rider with a combined mass of 50 kg are at the top of a hill 20 m above the level of ground below the sled
the salts listed below are insoluble in aqueous solution which of these salts will dissolve in whole or in part in
first set the mass of the star to 10 solar masses and click the auto box the accepted lifetime of the sun is
a compound c10h14 shows an ir peak at 745 cm-1 its 1h nmr spectrum has peaks at delta 718 4 h broad singlet 270 4 h
at the low point in its swing a pendulum bob with a mass of 1 kg has a velocity of 8 msa what is its kinetic energy at
a wooden cube of side 3 m has a density of 700kgm3 and floats partiall submerged in the seawater density 1025 kgm3what
32 grams of a compound with a molar mass of 960 gmol dissolved in 500 grams of water gave a solution which freezes at
a spring with a spring constant k of 32 nm is stretched a distance of 22 cm 022 m from its original unstretched
a 7 kg ball has a velocity of 16 msa what is the kinetic energy of the balljb how much work would be required to stop
how much energy in kilojoules is released when 134 of steam at 1225 is condensed to give liquid water at 715 the heat
consider the l1 to l0 transition in the hcl molecule if the sample contains two isotopes of chlorine 35cl and 37cl the
a box with a mass of 5 kg is lifted without acceleration through a height of 2 m to place it upon the shelf of a
a net force of 30 n accelerates a 6 kg mass over a distance of 12 ma what is the work done by this net forcejb what is
a 05 m buffer will require five times as much acid or base as a 01 m buffer for a given ph changestarting with 65 ml of