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calculate the concentration of the potassium ion in grams per liters after mixing 100ml of kcl 0250 m and 200 ml of
a mass of mercury occupies 0750 l what volume would an equal mass of ethanol occupy the density of mercury is 13546 gml
suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly nine months as
1 what if the food was cooked using steam instead of boiling water liquid explain2 what is the molarity of a salt
a car initially traveling at speed 60 mih on a horizontal road comes to rest over a distance of 40 meters after the
a golf ball m05 kg and a cannonball m100 kg collide head on before the collision the two balls had equal speeds of 30
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