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a gas sample has a volume of 750 ml at 4 atm and 37c if the pressure changes to 5 atm and the gas is heated to 68c what
the solubility of lead ii iodide is 0064 g 100 ml at 20 deg c what is the solubility product for lead ii
a 00539g sample of iron sulfate was dissolved in dilute hcl and treated with 10 bacl2 solution the baso4 precipitate
compare the amount of energy released by the complete combustion of 1 gallon of ethanol with the amount of energy
when 150 ml of 0400 m h are mixed with 200 ml of 0500 m oh- the final temperature of the solution is 265degc what was
determine the thickness needed to reduce the intensity of a beam of gamma rays to 14th of its initial intensity in gcm2
a cache of hebrew manuscripts known as dead sea scrolls was found in 1947 the activity of carbon-14 in the linen
1000 g of ice at 0degc is added to 1250 ml of liquid water at 400degc in a styrofoam cup calorimeter the specific heat
a rock is kicked horizontally at a speed of 10 ms from the egde of a cliff the rock strikes the ground 55 m from the
a 12kg box is released from the top of an incline that is 5mlong and makes an angle of 40degrees to the horizontal a
3agno3aqsccl3aq3agclsscno33aqwhat volume of 0385 m scandiumiii chloride is required to completely react with 220 ml of
we will define stp as 25 c and 100 bar if a container holding neon gas is at volume of 526 l at stp and the gas is
there are 3344 x 1025 molecules in 1 kg 1 litre of water what is the distance between the
when a person with hypoventilation is placed on a ventilator an air mixture is delivered at pressures that are
a simple ppendulum of length 25m makes 50 complete swings in 16swhat is the acceleration of gravity at the location of
an evaluation of r was performed following the procedure described in this module the barometric pressure was 736 torr
in a nonrelativistic one-dimensional collision a particle of mass 2m collides with a particle of mass m at rest if the
a roller coaster at the top of a 390 m high vertical loop istraveling 138 ms find the maximum speed of the cars as they
an 810 kg in-line skater does 3500j of nonconservative work by pushing against the ground with his skates in addition
a 6-lb block is attached to a cable and to a spring theconstant of the spring is k5lbin and the tension in the cable
a tow truck is pulling a car out of a ditch by means of a steelcable y 20 x 1011 nm2 that is932 m long and has a
a pulley of 50cm radius on a motor is turning at 30 revs and slows down uniformly to 20 revs in 2 s calculate the
show that an explanation for the nonexistence of caf can be found in the enthalphy change for the reaction 2caf s ---gt
a cylindrical gas chamber has a piston at one end that can be used to compress or expand the gas if the gas is
an electric field of 150 kvm and perpendicular magneticfield of 0400 t act on a moving electron to produce no net force