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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
a 1 kg ideal gas mixture at 1 atm has the following mass composition 15 o2 50 n2 35 co2 calculate using tabulated
could any one give detail answers for these questionsplease put question answer question answer form please use your
using the triple point of water as the reference temperature use the heat capacity equations for water to estimate the
the methane ch4 gas in a 1000l container at 305oc and 101 kpa pressure was burned in excess oxygen what is the mass of
if an object is moving with constant momentum lsaquo 12 16 7 rsaquo kg middot ms what is the rate of change of momentum
a coin is placed 101 cm from the axis of a rotating turntable of variable speed the coefficient of static friction
a sample of nitrogen gas with a pressure of 805 torr and a temperature of 250degc was cooled to 133 degc what is the
charges of 30 nc -20 nc -70 nc and 10 nc are contained inside a rectangular box with length 10 m width 20 m and height
what is the easiet way to understand chemical equations and what exactly is the octet rule and how does it apply to
rotational absorption line from 1h35cl gas were founded at the following wavenumber 8532 10413 12475 14537 16589 18623
1 explain why it has a greater effect on small populations give an example of genetic drift2 discuss fundamental