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what is the starting temperature of 150ml of gas when cooled to 33 degree c and a volume of
a block of material has a mass of 80 kg and a volume of 41 10-2 m3 the material has a specific heat capacity and
airplane emf a boeing kc-135a airplane has a wingspan of 399 m and flies at constant altitude in a northerly direction
an object 20 cm high is projected onto a screen using a converging lens with a focal length of 35 cm the image on the
a 35 g ping-pong ball rubbed against a wool jacket acquires a net positive charge of 15muc estimate the fraction of the
1 a sample of neon gas occupies a volume of 28l at 18 atm what would be its volume at 12atm2 if a barometer at your
a typical lightning flash delivers about 30c of negative charge from cloud to ground how many electrons are
the electric field within the membrane separating the inside and outside of a biological cell is approximately 78mvm
a metal sulfide m2co33 has a ksp of 875 x 10-42 what is the molar solubility of this sulfide in water assume the
block a which is 193 n is placed on a frictionless ramp that is inclined at 15 degrees block b which is 157 n is placed
a 46muc charge is at the center of a cube 65 cm on each side what is the electric flux through one face of the
a 01276 g sample of a monoprotic acid molar mass110 x 102 was dissolved in 25 ml of water and titrated with 00633 m
a 74muc charge and a -43mc charge are inside an uncharged sphere what is the electric flux through the
a medical defibrillator stores 950j of energy in a 100-muf capacitora what is the voltage across the capacitorb if the
a chemist obtains 2500 ml of a solution containing an unknown concentration of calcium iodide cai2 he pipets 25 ml of
the potential difference between the surface of a 22cm -diameter power line and a point 13m distant is 37kv what is the
how many grams of mgcl2 would be needed to prepare 1000 l of a solution that is 236 ppm in mg2 ions note there is one
a rectangular copper strip measures 10mm in the direction of a uniform 29t magnetic field when the strip carries a 73a
a fixed quantity of gas at 23 celcius exhibits a pressure of 735 torr and a volume of 522 l use boyles law to calculate
a 050 kg object on a 40 cm long string swings in a circle on horizontal table fritionless table string passes through
a radio reciever can pick up signals with peak electric fields as weak as 425muvm what is the average intensity of such
water with an alkalinity of 20010to negative 3eqlhas a ph 70 calculate co3hco3-co3 and
why is it important to apply the sample to the column in the smallest amount of solvent possible what would happen if
a 50lb sack of portland cement is dropped from rest onto the scale from a height h 4ft measured from the scales plate
how many sr2 ions are in a mole of sr3po42 also how many po43- ions are in a mole of