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write the appropriate nuclear equation for the following description iodine-131 has a half-life of 8 days if you
on the moon the surface temperature ranges from 397 k during the day to 920 k at nighta what are these temperatures on
using 1-propanol as your only source of carbon propose a synthetic route for
140 moles of gas are in a 500 l tank at 234 c calculate the difference in pressure between methane and an ideal gas
a compound microscope has an objective lens of focal length 103 mm with an eyepiece of focal length 150 mm and it
a 1-l flask is filled with 130g of argon at 25c a sample of ethane vapor is added to the same flask until the total
1an ideal massless spring is hanging vertically when a 054-kg mass is attached to the spring the spring stretches by 37
1 a 033-kg mass is hanging from a spring with spring constant 12 nm then the mass is displaced from the equilibrium by
a weather balloon is inflated to a volume of 261 l at a pressure of 755 mmhg and a temperature of 230 c the balloon
consider a glass sphere of radius 20 mm with an index of refraction of 1 50 find the image distance of this
a sound wave is travelling trough a fresh water pool with a speed of 1482 ms if the intensity of the wave is 100 times
bacteria are essential to the health of our planet two abilities of bacteria are critical to life on earth bacteria
a 2033 gram ice cube at -887 degrees celsius is placed in an aluminum cup whose initial temperature is 18202 c the
1 what is the temperature of 49 mol of gas at a pressure of 12 atm and a volume of 124 l 2 a weather balloon is
1 a physical pendulum is made by drilling a hole through a uniform wooden disk of radius r a distance alphar from
1 a long uniform rod of mass 4kg and length 2m is suspended by a frictionless pivot at its top end from the
a liquid fuel mixture contains 2825 hexane 1405 heptane and the rest octane what maximum mass of carbon dioxide is
a compound having a specific rotation of 403deg has been isolated and purified this information indicates that the
calculate the mass defect of the fluorine nucleus199f the mass of neutral is equal to 18998403 atomic mass units
an electric train operates on 740 v what is its power consumption when the current flowing through the trains motor is
a current of 160a flows through an electric heater operating on 120 vcompute the power consumption of the electric
can someone please show me the product when para-xylene undergoes an acylation with acetyl
a playground merry-go-round has a radius of 430 m and a moment of inertia of 245 kgm2 and turns with negligible
sunlight reflects the surface of a swimming poola at what angle the reflected light is 100 polarizedb what is the
calculate the mass defect of the fluorine nucleus 199f the mass 199f of neutral is equal to 18998403 atomic mass units