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a d 457 mm diameter wire carries an electric current of i 143 a when the electric field is e 753times10-2 vm along
calculate the change in entropy s for reversible cooling 1 mole of an ideal monatomic gas from 30 degrees c to 0
to prepare sodium hypochlorite naclo the principle component in chlorine bleach chlorine gas is bubbled throught an
a the mass of a gas molecule can be computed from its specific heat at constant volume cv take cv 0148 calgdegc for
determine the heat capacity of the calorimeter if you have 25g of water at a temp of 2250 degrees c then add 10 g of
suppose you were to prepare a buffer solution using ammonia and ammonium chloride what would be the molar ratio of acid
only very pure phosphoric acid is used in food products an older term for soft drinks is phosphates this name was
the wavelength of visible light ranges from 400 nm to 700 nmfind the ranges of this lights wave numberkmin kmax
high speed stroboscopic photographs show that the head of a 246 g golf club is traveling at 562 ms just before it
extremely small pieces of pet were necessary to ensure a successful hydrolysis in the allotted time a 100ml
the g string on a violin has a fundamental frequency of 196 hz it is 330 cm long and has a mass of 0500 g while this
calculate the volume of the acid solution needed to completely neutralize the base in the flask 2calculate the ph for
calculate the ph at 25degc of an aqueous solution that is 0320 m in ethylamine and 0140 m in ammonia iethe solution
an airplane traveling at half the speed of sound emits a sound of frequency 545 khzat what frequency does a stationary
d-maltose is a disaccharide and d means the oh on the second to last carbon to the bottom is on the right and l means
a rock thrown horizontally from the top of a radio tower lands 220 m from the base of the tower if the speed at which
a a uvv is spectrometer is used to measure the absorbance of a solution of hemoglobin bound to oxygen at 590 nm the
a 15 m beam is supported hinged supports at both ends and is loades with a 50 n weight 4 m from one end and a 100 n
the tub of a washer goes into its spin-dry cycle starting from rest and reaching an angular speed of 20 revs in 80 s at
david is running at a constant speed of 60 meters per second when he passes cindy who is at rest when david is 50
the quantum yield for co production in the photolysis of gaseous acetone is unity for wavelengths between 250 and 320
the atomic mass of gallium is 6972 amu which has two isotopes ga-69 atomic mass 6892 amu and ga-71atomic mass 7092 amu
earthquakes at fault lines in earths crust create seismic waves which are longitudinal p-waves or transverse s-waves
even though butanols have the same number of the same atoms we see large differences in their ability to dissolve water
an organic compound of molecular formula c10 h12 o2 reacts with both aqueous naoh and aqueous nahco3 the compound