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what is the ph of a solution created by mixing 200 ml of a 159 m nahso3 solution with 207 ml of a 111 m na2so3
a skater of mass 815 kg initially moves in a straight line at a speed of 470 ms the skater approaches a child of mass
consider the titration of a 240 ml sample of 175 m of ch3nh2 with 155 m hbr determing each of the followinga initial
a constant uniform electric field points in the positive x-direction with the magnitude of 500 nc a charged particle
i although electromagnetic energy behaves as both waves and particles this kind of wave-particle duality is not
a man of mass 770 kg walks down the aisle of an airplane at a speed of 170 ms in the forward direction while the plane
an object is placed 100 cm in front of a diverging lens of focal length -25 cm a converging lens of focal length
the solubilty of suberic acid is 014g100ml of water or 056g100ml of ether calculate the volume of ether needed to
a person with a mass of 52 kg runs with a speed of 68 ms jumps onto the outer rim of a merry-go-round the
when 300 g potassium carbonate k2co3 was mixed with 200 ml of hydrochloric acid hcl 40m in a calorimeter the
a point source of electromagnetic waves emits waves uniformly in all directions at a distance of 100 m from the source
phenol c6h5oh is a weak organic acid suppose 0515 g of the compound is dissolved in exactly 125 ml of water the
electrons are ejected from sodium metal by any light that has a wavelength shorter than 544 nm what is the kinetic
a 427 gm sample of so 2 occupies 230l at 382 degrees celcius what pressure in atmospheres will the gas
a photocathode whose work function is 25 ev is illuminated by white light of wavelength range from 380 nm to 720 nm
a sample of argon gas occupies 4000 l at 2500 degrees celcius at what temperature in degrees celcius would the gas
a sample of chlorine gas occupies 825 ml at 1250 torr what volume will the chlorine occupy at 350
x rays diffract from a crystal in which the spacing between atomic planes is 0168 nm the second-order diffraction
a 300g lead weight initially at 108degc is submerged in 777g of water at 529degc in an insulated containerwhat is the
a deuteron particle the nucleus of an isotope of hydrogen consisting of one proton and one neutron and having a mass of
what is the ph of a solution created by mixing 219 ml of a 164m nahso3 solution with 163 ml of a 181 m na2s3
the molarity of the potassium dichromate is a result of two sequential dilutions re- member that you can obtain the
a certain lightbulb has a tungsten filament having a resistance of 16 at 22degc and 155 when hot assume r r01 t -
an ideal transformer has 255 loops in its primary coil and 125 loops in its secondary coil if the primary voltage is
glacial acetic acid is the concentrated form of acetic acid the acid in vinegar the term glacial refers to the