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an electron in a he ion transitions from the n2 state to the ground state what is the frequency of the light
1suppose that 108 g of rubbing alcohol c3h8o evaporates from a 700 g aluminum blockif the aluminum block is initially
1 why do scientists use models of natural sciencea scientists use models of natural systems because these systems are
ammonia may be oxidised to nitrogen monoxidenbsp in the presence of catalyst according to the equation 4 nh3 5 o2
a design on the surface of a balloon is 5 cm wide when the balloon holds 71 cm3 of air how much air does the balloon
how many moles of water will be produced by heating 238g of cobalt ii chloride
a triangle has vertices x22 y42and z34the triangle is enlarged by a scale factor 2 through the originwhat are the
what are the advantages and disadvantages of mathematical
1 which of the following allows a plants vascular system to work as a transport systema a plants vascular system is
1 which is a irationaala 0117117117b08596876205c0812812812812d 06056056052 what is 032 written as a fraction in
a 874-kg hanging weight m2 is connected by a string over a pulley to a 500-kg block m1 that is sliding on a flat table
1 write 86400 s in exponential notation2 write 015 ns using exponential notation with units of s3 141000 g kg4 write
1 which statement best summarizes new mexicos population changes after world war iiathe population of the state almost
please prepare the following questions1 whats your gut reaction to the reading2 what was columbus background his
1 comment fully on the origins and consequences of the atlantic slave trade include a detailed comment on what
write a six page paper about 1700 words on the topic what were the consequences of napoleons ignorance of the history
a small crack occurs at the base of a 135 m high dam the effective crack area through which water leaves is 155 10-3
eremy enlarged a picturethe length of the original picture is 8cm and the width is 5cmthe length of the enlarged
two teams are playing in a best of seven playoff series the first team to win four games wins the series ties are
a mass 12 kg of is attached to a spring and placed on a friction-less air track initially the mass is resting in
a 12uc test charge was placed 20cm from a source of an electric field there was a measured force of 06n acting on the
a metal bob of mass06kg is attracted to the end of a string of length1mthe bob is whirled in a horizontal circle with a
suppose a soccer player kicks the ball from a distance 31 m toward the goal find the initial speed of the ball if it
a shell is fired from the ground with an initial speed of 162 103 ms at an initial angle of 58deg to the horizontala
stuarts car loan reached a maturity value of 1400100 after 3 years find the rate on stuarts loan if the principal he