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when 155 g of solid thallium i bromide is added to 100 l of water the salt dissolves to a small extenttlbrs tlaq
a magnetic field goes from the top to the bottom of this page what direction will a proton moving from left to the
particle x has a speed of 0790 c and a momentum of 506times10-19 kgms what is the mass of the particlewhat is the rest
draw the least and most stable newman projection and sawhorse representation of 4-bromo-3-chloroheptane and
a cube of 544 cm on a side is placed in a uniform electric field e of 80100 nc with four of its faces parallel to e and
for each reaction shown here predict whether the equilibrium lies predominantly to the left or to the right briefly
one of the main components of hard water is caco3 when hard water evaporates some of the caco3 is left behind as a
suppose an observer measures the length of a stationary spaceship to be 6 m note m for meters if the spaceship is
some sugar is dissolved in water to make a solution if the boiling point of the solution is measured at 1026 degrees c
what is the concentration of an ethanol c2h6o solution if the solution exerts an osmotic pressure of 1230 mmhg at 50
as measured in earth rest frame a spaceship traveling at 0964c takes 100 years to travel between planets how long does
the first ionization energy of magnesium isgreater than the first ionization energy of calcium explain the first
the work function of a certain metal is 300 ev what is the kinetic energy of a photoelectric in both j and ev for an
what will be the final temperature of the solution in a coffee cup calorimeter if a 5000 ml sample of 250 m hcl is
a hot piece of metal weighing 3500 g is heated to 1000 degrees c it is then placed into a coffee cup calorimeter
a ray of light originating in oil n 121 is incident at the brewster angle upon a flat surface of a quartz crystal n
a binary separator sorts glass according to color with clear glass being the intended material recovered and colored
the molar enthalpy of vaporization of carbon disulfide is 2674 kjmol and its normal boiling point is 46degc what is the
the y-component of a dust particles velocity is measured with an uncertainty of 10times106 ms the particle has a mass
calculate the amount of heat needed to melt 200 kg of iron at its melting point 1809 k given that deltahfus 1380
methane gas is completely combusted the products are carbon dioxide gas and water gas what statement can be correctly
light from a laser 640 nm passes through a diffraction grating and spreads out into three beams as shown in the
what is the electron configuration for os4 and how did you know which orbital lost its electron
balance the following oxidation-reduction reactions that occur in basic solution use the lowest possible coefficientsa
lets say your can has covers a distance of 3 m in 5 seconds under constant acceleration use kinematics equations and