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what is the difference between seawater and pure water in terms of osmotic pressure and vapour
i have homework in which it asks describe the difference between elements mixtures and compounds i have done the first
write the half reactions and the balanced equation for the galvanic cell hgl hg2 2 aq mno- 4 aq mn2aq h aq ptswhat is
a skateboard wheel has a radius of 208 inches and is turning at a rate of 945 rpma what is the angular speed in radians
a 1500-g sample of a metal at 697degc is added to 1500 g of h2o at 105degc the temperature of the water rises to
a block of mass m 309 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of magnitude f
complications of asthma can be sudden consider the case of bradley wilson a young boy who had several medical
an undergraduate student weighed 20g of sodiumcarbonate salt if na23 o16 carbon 12and h1 what is the mole of the
two charges are placed on the x axis one of the charges q1 544c is at x1 300 cm and the other q2 -277c is at x2 900
nasa launches a satellite into orbit at a height above the surface of the earth equal to the earths mean radius the
suppose 587 g of barium acetate is dissolved in 300 ml of a 710 m m aqueous solution of sodium chromatecalculate the
to ward off oceanic invaders a cannon is placed 10 meters from the waters edge pointing out at sea the cannon is
a body is at equlibrium under the action of three forcesone force is 10n acting due east and one is 5n in the direction
questionif 200 ml of 012 m cobaltii nitrate is reacted with 1513 ml of 0097 m sodium phosphate which of the two
marissa is designing a rectangular poster whose width is 23 of its height its perimeter will be 100 inches what are the
you have 275 l of a 656 by volume vvwater-based dye solution calculate the volume of pure dye and water that were used
1 magnesium metal mgs burns brightly in oxygen gas o2g to produce a whitish-grey powder magnesium oxide mgos write a
the circumference of a rear wheel of a carriage is 50 inches more than a front wheel if the rear wheel makes as many
1 how many milliliters of 70 percent ww hclo4nbspmust you dilute with water to prepare a total volume of 1000 ml of 200
hydrogen sulfide decomposes according to the following reaction for which kc 930 10-8 at 700degc2 h2sg 2 h2g s2gif
how many moles are in 8grams of sugar if its in 25 ml of
case studyread the incident scenario and write a response that is at least three pages in length your response must
if i use a ph calculator to find the ph of 035m of citric acid i get a ph level of 232 however when i try to find the
what is the relationship between water osmosis ions blood pressure and kidney functionwhere else in the body are ions
undergoing moderate activity an average person will generate about 350 kj of heat per hourusing the heat of combustion