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when you take a bath how many kilograms of hot water 364degc must you mix with cold water 144 degc so that
calculate the concentrations of all species in a 144 m na2so3 sodium sulfite solution the ionization constants for
a steel section of the alaskan pipeline had a length of 638 mand a temperature of 218 degc when it was installed what
a skater is initially spinning at a rate of 125 rads with a rotational inertia of 287 kg middot m2 when her arms
a mixture containing 0232 mol heg 0163 mol h2g and 0161 mol n2og is confined in a 2200 l vessel at a constant
a gas mixture in a 4600 l container at 415degc contains 100 g each of ar co and ch4 find the partial pressure of ch4
the acceleration due to gravity on the moon is 16 that on theearth if you place a 20 meter long pendulum on themoona
a 5 kg and a 3 kg box rest side by side on a smooth level floor a horizontal force of 32 n is applied to the 5 kg box
when 370 ml of 0535 m h2so4 is added to 370 ml of 107 m koh in a coffee-cup calorimeter at 2350degc the temperature
a cardiac defibrilator is used to shock a heart that is beatingerratically a capacitor in this device is charged to
1000 ml of a hydrochloric acid solution was titrated with a 01270-m solution of barium hydroxide if the end point was
suppose the decay constant of radioactive substance a is twice the decay constant of radioactive substance b if
write a balancing equation for the reaction of potassium crbonate plus lead11 nitrate where the products are lead 11
a parallel plate capacitor has a capacitance of 120 nf there is a charge of magnitude 0800 muc on each plate a what is
composting is a microbial process used to convert organic wastes to a solid product that can be used as a soil
a 300 g ball rolls around a 500 cm-diameter l-shaped track shown in the figureat 500 rpm what is the magnitude of the
an electron with kinetic energy 310kev circles in a plane perpendicular to a uniform magnetic field the orbit radius
hydrazinen2h4 is a fuel used by some spacecraft it is normally oxidized by n2o4 according to the following equation
a 010-kg balloon is filled with heliumdensity 0179 kgm3 if the balloon is a sphere witha radius of 63 m what is the
a car speeds along the curved exit ramp of a freeway the radius ofthe curve is 86 m a 68 kg passenger holds the arm
a potters wheel is rotating around a vertical axis through itscenter at a frequency of 17 revs thewheel can be
a 116 g stone is whirled in a horizontalcircle on the end of an 75 cm long stringthe stone takes 13 s to make
a photon of light has a frequency of 280x1014 hz what is the wavelength of the photon in units of
a capacitor is attached to a 500 hz generator the instantaneous current is observed to reach a maximum value at a