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a wire has a resistance of 600 ohms and is bent into a squareloop with sides of length 150 cm the loop is
under constant pressure conditions a sample of hydrogen gas initially at 13 degrees c and 80 l is cooled until its
two rigid rods are oriented in parallel to each other and to the ground the rods carry the same current in the same
glyceryl trimristrate and myristic acid are both white in color and have very close melting points suggest two ways to
red light n 1520and violet light n 1538 traveling in air are incident on a slab of crown glass bothcolors enter the
a sample of gas originally occupies 2554l at 000 degrees c what is the new volume when it is heated to 2100 degrees c
light in a vacuum is incident on a transparent glass slab theangle of incidence is 356deg the slab is then immersed in
alzarin yellow has a ph range of 101-121 what is its ka it is yellow at ph 10 and red at ph 12 what is the color of a
a test tube 105 mm long is held rigidly at 29deg with respect tothe vertical in a centrifuge with its top lip 60 cm
can someone explain the following subjects in a little detail enthalpy of formation kp and kc and finding like the mass
a 12 turn loop of wire in the plane of the whiteboard has adiameter of 46cm and has a clockwise current of 732a a
we are titrating 2142 ml of 03711 m hypobromous acid hobr ka 2000x109 with 05076 m lioh what is the ph at the
an electron is trapped somewhere in a molecule which is 58nmlong calculate the minimum kinetic energy of the
a small mirror is attached to a vertical wall and it hangs adistance of 159 m above the floor the mirror is facing
a calorimeter contains 220ml of water at 120 celcius when 230g of a substance with a molar mass of 560 gmol is added
a 500-omega resistor is connected to a 300-mufcapacitor and to a 600-hz 100-v rms sourcea find the power factor and the
how many moles of hydrogen gas occupy a volume of 559ml at standard temperature and
one object is at rest and another is moving the two collide ina one-dimensional completely inelastic collision in other
tungsten has a boy-centered cubic unit cell and an atomic radius of 141 pm what is the density of solid
a torque of 500nm is applied to a turbine rotating at 200rads after 40 sec its speed has doubled what is the
two hydrogen atoms both initially in the ground state undergo ahead-on collision if both atoms are to be excited to the
air entering the lungs ends up in tiny sacs called alveoli it is from the alveoli that oxygen diffuses into the blood
a planet in another solar system orbits a star with a mass of 40times1030 kg at one point in its orbit it is
a two-stage rocket moves in space at a constant velocity of4640 ms the two stages are then separated by a small
you want to heat the air in your house with natural gas ch4assume your house has 275 m2 of floor area and that the