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a 2130 satellite used in a cellular telephone network is in a circular orbit at a height of 800above the surface of the
construct a born haber cycle for the formation of the hypothetical compound nacl2 where the sodium ion has a 2 chargea
an earth satellite moves in a circular orbit with an orbital speed of 6300find the time of one revolution of the
which of the following is a product of the krebs cyclea 2 fadh 2b 4 co2c 6 nadhd 2 atpe all are products of krebs
a 120-v motor has mechanical power output of 260 hp it is 850 efficient in converting power that it takes in by
suppose you have a solution of acid hf with concentration of 0003m what would the concentration of h and f- be at
suppose cell x contains dna with 6 different nucleotide andprotein consist 32 amino acid what is the minimum number of
you need to make 500 ml of 100 mm potassium phosphate buffer at ph 75 you have the stock solutions of kh2po4 and k2hpo4
a a 347-m length of copper wire at 200degc has a radius of 023 mm if a potential difference of 70 v is applied across
born-haber cycles are called cycles because they form closed loops if any five of the six energy changes in the cycle
a rectangular block of copper has sides of length 5 cm 21 cm and 38 cm if the block is connected to a 80 v source
1 what is the significance of eletron transport in the photochemical ielight-dependent reactions of photosynthesis2 how
h ow many moles of oxygen are formed when 586 g of kno3 decomposes according to the following reaction the molar mass
a parallel-plate capacitor in air has a plate separation of 159 cm and a plate area of 250 cm2 the plates are charged
the solubility of a slaked lime caoh2 in water is 185g100ml what volume of 00400 m hcl is needed to neutralize 100ml of
the plates of a spherical capacitor have radii 350 mm and 470 mma calculate the capacitancepfb what must be the plate
would fabric made from silk containing more bulky residues bemore or less likely to shrink after a hot water wash and
compound ch32cchch3 contains 8563 g carbon per 1000 g compound calculate the mass g of a sample of ch32cchch3 if it
a student m 63 kg falls freely from rest and strikes the ground during the collision with the ground he comes to rest
a 5000-kg mass starts from rest and slides down an incline that is tilted 5 degrees above the horizontal what is the
1 how does the pattern of starch storage relate to the distributon of chlorophyll2 do all microorganisms use pyruvic
the current in an electron beam in a cathode-ray tube is measured to be 20 ua how many electrons hit the screen in 10
a 250kg ball is thrown horizontally at 168msa as it falls under the influence of gravity find its final momentum
a 120g ball moving at 30 ms in the x-direction is subject to a 015n force in the - y-direction for 30sa find the
when blood is centrifuged it is divided into three layersnbsp whynbsp what components are found in the largest quantity