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the circumference of the moons orbit around the earth is 2415275282106km the orbital period of the moon is about 2732
what is the percent by mass of aluminum chloride alcl3 prepared by dissolving 268g in 3550ml of water assume density of
the mouse haploid genome contains about 29 x 109nucleotide pairs of dna how many nucleotide pairs of dna arepresent in
copper crystallizes in a face-centered cubic lattice if the edge of the unit cell is 351pm what is the radius of the
a car is going with a constant speed of 15 ms about 34 mph in a school-crossing corner where the speed limit is 10 ms
explain why antibiotics are effective at killing bacterial cells but do not seem to have an impact on human cells
a over what intervals of t is the parametric curve defined by x1t2 yt-t3 concave downwardb given the parametric
a solid piece of lead has a mass of 2918 g and a volume of 260 cm3 from these data calculate the density of lead in si
a 3800kg truck is parked on a 12 degree slope how big is the friction force on the truck the coefficient of static
in flowering plants is sporophytic tissue haploid or diploid howmany nuclei are present in the female gametophyte how
a motor is designed to operate on 117 v and draws a current of 150 a when it first starts up at its normal operating
calculate the most probable distance from the nucleus for a 1s electron in a hydrogen
for each of the following statements determine whether the statement is true or false if statement is false provide an
a laser that emits pulses of uv lasting 365 ns has a beam diameter of 160 mm each burst contains an energy of 405 j in
a gene contains 141 codons how many nucleotides are present in thegenes coding sequence how many amino acids are
what mass in grams of ethanol is required to experimentally produce 100 g of carbon dioxide with an 889
if the half life of a certain element is 2 hours how long will ittake for 9375 of a certain amount of the element to
a 31-kg girl is bouncing on a trampoline during a certain interval after she leaves the surface of the trampoline her
1 if a population doubles every 2 days how big would thepopulation be after 10 days assuming no mortality assume
a person walks first at a constant speed of 490 ms along a straight line from point a to b point and then back along
a sample consisting of 050 moles of abs was placed in a 100l reaction at 750 c after equilibrium was reached it was
a tetrahedron has edges of length a and charge q at each apex what is the potential energy of the
the solubility of phenanthrene in methanol is 0133m how many grams of phenanthrene do i need to make 10ml solution
coherent light with wavelength 510 nm passes through narrow slits with a separation of 310mm at a distance from the