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a rifle is test fired into a ballistic pendulum the bullet embeds itself in the block of mass 055kg that makes up the
what is the age of a rock whose argon 40 potassium 40 ratio is 155 the half life of potassium 40 is 128 x 109
a derive the equations used in this problem based on forces and the experiment on specific gravity a cylinder of solid
trichloroethane c2h3cl3 is the active ingredient in aerosols that claim to stain-proof mens ties trichloroethane has a
1 a solid disk of radius 160 m and mass 230 kg rolls without slipping to the bottom of an inclined plane if the angular
acetone a common laboratory solvent has deltahvap 291kjmol and a normal boiling point of 561 c at what temperature in
a thin cable 2m long with a mass of 100g is fixed at both ends its tension is 20n a standing wave is excited on the
provide the names for the tertiary alcohols with the chemical formula c6h14o that have a 4-carbon chain there are three
mercury has mp -389c a molar heat capacity of 279 jkmol for the liquid and 282 jkmol for the solid and delta hfusion
an open-end manometer containing mercury was connected to a vessel holding a gas at a pressure of 840 torr the
the gauge pressure at the bottom of a reservoir is 50 times what it is at a depth of 21 m how deep is the
what is the vapor pressure of sicl4in mm hg at 345c the vapor pressure of sicl4 is 100mm hg at 54c and delta hvap 302
a hydraulic jack is made with a small piston 11 cm in diameter that is used to move a large piston 53 cm in diameter if
how much energy in kilojoules is released when 159g of steam at 1295c is condensed to give liquid water at 685c the
i need to construct a microstate table for a np3 i know that the of microstates is going to be 633 20 microstates i am
part awhat is the cell potential at 25 degrees c for the following galvanic cell pb s pb2 10m cu2 12x10-4 m cu spart
if someone could provide a mnemonic or a simple way to write this out it would be extremely helpful this deals with
a block of mass mb is attached to one end of a spring and is sliding on a horizontal frictionless surface the other end
please provide a multistep synthesis for the following product hexane from the provided starting material butanol and
a certain heat engine does 120 kj of work and dissipates 800 kj of waste heat in a cyclical processa what was the heat
a how much waste heat is produced by an electrical power station that uses 100 1014 j of heat input with an efficiency
draw the structures of the primary alcohols with the chemical formula c6h14o that have an ethyl side
a 250 g lead bullet traveling at 560 ms strikes a target converting its kinetic energy into thermal energy its initial
a person wearing the shoes has a mass of 65kg a estimate the pressure exerted on a floor by one pointed heel of area