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of the calorimeter to rise from 2200c to 3475c how much heat in kj did this reaction release the heat capacity of the
a uniform cylindrical satellite has four tangential rockets mass 3600 radius 40m what is the required steady force of
in the figure here a red car and a green car move toward each other in adjacent lanes and parallel to an x axis at time
a rotating wheel requires 800 s to rotate 280 revolutions its angular velocity at the end of the 800-s interval is 990
when the metal was placed in a constant-pressure calorimeter containing 300g of water the temperature of the water rose
sewage at a certain pumping station is raised vertically by 513 m at the rate of 1 860 000 liters each day the sewage
a power factor is 072 lagging and the power dissipated is 375w 120v and a resistance of 10 ohms showing all working out
is the skeleton of caffeine flat how might the structure of caffeine account for the fact that it sublimes at
the vapor pressure of phosphoryl chloride difluroride opcl2f2 has been measured as a function of temperaturetemperature
an entertainer when performing a bubble trick forms one bubble inside another the surface tension of the bubble liquid
what factors affects a team cohesiveness if you were a team leader how to be more and foster better relationships among
the air table is approximately 25 cm squared if the incline has a rise of 1 cm over the distance what is the maximum
how many moles of ions are found in 345 ml of a solution containing 422 gl aluminum
a tank is 2m above the connection to the water controls the water then travels up a vertical pipe to the shower head
a certain conductor has 620 1028 free electrons per cubic meter a cross-sectional area of 400 10-6 m2 and carries a
a muonic atom is an atom containing a muon like an electron but 2064630 times the electron mass calculate the radius of
nicotine a component of tobacco is composed of rm c rm h and rm n a 3675 -mg sample of nicotine was combusted producing
two points are given in polar coordinates by r 30 m 400deg and r 50 m -400deg respectively what is the distance
positronium is a hydrogen atom with the proton replaced by a positron like electron but w positive charge calculate e1
the forensic technician at a crime scene has just prepared a luminol stock solution by adding 170 g of luminol to h2o
a block of mass m 200 kg is attached to a spring of force constant k 415 nm as shown in the figure below the block is
prove that wiens displacement law for max requires that ehv in the planck radiation law please do not give me links or
in an experiment on the photoelectric effect a cessium plate is illuminated with uv light of wavelength 2000 angstroms
magnesium metal is easily deformed by an applied force whereas magnesium fluoride is shattered why do these two solids
in addition to the line lambda 2537 angstroms the mercury spectrum has a strong line at lamda 1849 angstroms in an