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chromel is an alloy composed of nickel iron and chromium a 07176g sample of the alloy was dissolved in hno3 and diluted
a farsighted person can read printing as close as 250 cm when she wears contacts that have a focal length of 374 cm one
a 350g sample of histidine dihydrochloride fw 22808gmol in water and diluting to a final volume of 5000ml the resulting
two narrow slits are illuminated by a laser with a wavelength of 581nm the interference pattern on a screen located x
a 100 ml sample of aqueous h2so4 requires 2432 ml of 0134 m naoh to reach the endpoint what is the molar concentration
a 18 cm tall object is placed in front of a concave mirror with a radius of 26 cm the distance of the object to the
a radioisotope decays which two types of nuclear change would yield exactly the same isotope as producta alpha amp beta
antimycin a blocks electron transport in complex iii of mitochondria could the addition of antimycin a to chloroplasts
a a microwave radio transmitter emits electromagnetic waves of a single wavelength the maximum electric field 551 km
a projectile is launched at 450 degrees with the horizontal its initial speed is 250 msa what is its speed and
1 calculate the solubility of laf3 in grams per liter in 13times10-2 m kf solution2 calculate the solubility of laf3 in
a pair of slits separated by 13 mm are illuminated with monochromatic light of wavelength 573 nm the light falls on a
a 250-ml sample of potassium chloride solution was found to have a mass of 25115 g when the solution was heated to
a car moving at 200 ms decelerates at 700 ms2 how far will it travel before stoppingat the same deceleration rate if
the kinetic energy of a 50 kg bowling ball just before it hits the ground is 4550 j if the ball was originally thrown
a hedgehog pushes a rock of 19 kg up a ramp which is tilted at 195 degrees to horizontal at a constant speed of 025 ms
if e degree cell-051v for the reaction below at 25 degree c what is the value of the equilibrium constant at this
you push a box up a ramp inclined at 262o using a force of 2300n for a distance of 109 m how much work do you do in the
a 135 kg raccoon falls out of a tree and hits the ground with a kinetic energy of 12370 j what was the raccoons
when laser light of wavelength 6328nm passes through a diffraction grating the first bright spots occur at - 178
hydrogen peroxide is an oxidizer commonly used a disinfectant antiseptic oxidizer and in rocketry as a propellant it is
a point charge of 840 mc is surrounded by an equipotential surface with a radius of 0280 m what is the electric
a 670mw helium neon laser emits a visible laser beam with a wavelength of 636nm how many photons are emitted per
using the value of 73 kcalmole for atp how many kcal are conserved as atp from one mole of glucose in each of the
a 0150 t magnetic field b crosses the xy plane perpendicular to the x axis and at an angle of 700deg to the y axis a