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without consulting a periodic table write the grounds state electron configuration of the element having atomic number
you have a lens with a focal length of 35 cm you need to combine this lens with another in contact to make a
a microscope is focused on a black dot when a 115 cm-thick piece of plastic is placed over the dot the microscope
what is the change in temperature of a 250 l system when it is compressed to 175 l if the initial temperature was
romeo 770kg entertains juliet 550 kg by playing his guitar from the rear of their boat at rest in still water 270m away
what is the molarity of sodium chloride in solution that is 13 by mass sodium chloride and that has a density of
calculate the cell potential for the following reaction as written at 81 degc given that cr2 0786 m and ni2 00130 m
provide a detailed mechanism to account for the conversion ofd-fructose into two equivalents of pyruvaldehyde hint
a person whose eyes are 17 m above the floor stands in front of a plane mirror the top of her head is 014 m above her
calculate the molecular weight of gas if 385 grams of it occupies 175 milliliters at 695 mmhg and 115 degree
a parallel-plate capacitor has plates of area 5 m2 separated by a distance of 20 mm what is this capacitors
two coils of wire are placed close together initially a current of 470 a exists in one of the coils but there is no
a certain weak acid ha has a ka value of 66times107 calculate the percent ionization of ha in a 010 m solution
the n8 to n2 transition in bohr hydrogen atom occurs in the ------------ region of the electromagnetic spectrum a radio
a gate in an irrigation canal is in the form of a semi-circle with radius of 4m straight side on top the gate is placed
describe the five different types of shock and include for each its pathophysiology clinical manifestations and
two blocks are connected by a light string that passes over two frictionless pulleys mass 1m1 and mass 2m2 the block
if i eat 500g of something which is 700bqkg with a half life biological and physical of 55 days what is the dose and
a if the charge is not uniformly distributed on the disk it depends on the radius r ie rhorhor write the general
a generator at one end of a very long string creates a wave given by y a cos pi15x 40t and at the other end a
a standing wave pattern on a string is described by yxt 0050 sin9pix cos20pit where all lengths are in meters and t
an amusement park roller coaster starts out on a level track 500 m long and then goes down a 500-meter incline at an
a 409kg weather rocket generates a thrust of 11250n the rocket pointing upward is clamped to the top of a vertical
a potential energy function for a two-dimensional force is of the form u 389x3 y - 596x calculate the force that
suppose you have a mass m attached to a spring with constant k nm the mass rests on a horizontal frictionless surface