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a 120 v electric coffeepot draws a current of 06 a what is the resistance of its heating
use le chacircteliers principle to explain how adjusting the ph enables the control of c2o42- in a solution of oxalic
studies have shown that some people can detect 577 nm light with as few as 100 photons enteringthe eye per second what
we want to supply 1 inch of water to an acre garden our water pump can supply water at a rate of 40 gallonsmins how
a surfer is catching a wave suppose she starts at the top ofthe wave with a speed of 14 ms and movesdown the wave until
write the balanced neutralization reaction between h2so4sulfuric acid and koh potassium hydroxide in aqueous
a 650kg elevator starts from rest and moves upwards for 3sec with aconstant acceleration until it reaches a cruising
high power lasers are used to cpmpress a plasma a gas ofcharged particles by radiation pressure a laser
a cylindrical fishing reel has a moment of inertia of i 659e-4kgm2 and a radius of 411 cm a friction clutch in thereel
a 014-kg pinecone falls 16m on the ground where it lands with aspeed of 13 msa what speed would the pinecone have
a positron q e moves at 43x107 ms in a magnetic field of magnitude 052 t the magnetic force on the positron has
calculate the standard enthalpy of solution of agbrs in water from the enthalpies of formation of the solid and the
a long straight wire carries a current of 880 a an electron traveling at 65x107 ms is 15 cm from the wire what force
a gas is confined to a cylinder under constant atmospheric pressure when 414 of heat is added to the gas it expands and
1000 000 000 copper atoms would form a line 1 cm long how long would a line formed by 1107 copper atoms be express your
a a singly charged ion of unknown mass moves in a circle of radius 130 cm in a magnetic field of 11 t the ion was
what volume of 00955 m hci in millimeters is required to titrate 2152 g of na2co3 to the equivalent point my teacher
the distribution of coefficient kconc in ligroin divided by conc in water between ligroin and water for solute a is 75
a 235 kg gold bar at255degc is placed in a largeinsulated 0800 kg glass container at 150degc with 200 kg ofwater at
the protein lysozyme unfolds at a transition temperature of 755degc and the standard enthalpy of transition is 509 kj
gayle runs at a speed of 320 ms and dives on a sled initially at rest on the top of a frictionless snow covered hill
a tube is sealed at both ends and contains a 00100-m longportion of liquid the length of the tube is larger compared
a purification system with recycle is used to recover the solvent dmf from a waste gas containing 55 mol dmf the
the freezing point of pure camphor is 1784 oc and its molal freezing-point constant kf is 400 ocm find the freezing