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when 246 ml of 0500 m h2so4 is added to 246 ml of 100 m koh in a coffee-cup calorimeter at 2350degc the temperature
a 304-g sample of an alloy at 9300degc is placed into 500 g of water at 2200degc in an insulated coffee-cup calorimeter
a 515-g piece of copper tubing is heated to 895degc and placed in an insulated vessel containing 159 g of water at
an unknown volume of water at 182degc is added to 165 ml of water at 350degc if the final temperature is 235degc what
a solution containing a buffer has an initial ph of 878 if a student adds 5 drops of naohaq to this solution what would
50 ml of 010 m hno2 was titrated with 010m kohsolution after 25ml of koh solution was added what was theph in the
calculate the ph of a strong acid solution formed by mixing 342 ml of 00496 m hbro3 with 775 ml of 00728m
the free energy change delta gt at 2400 k is equal to 122105 jmol calculate the equilibrium constant at 2400kexpress
a buffer is prepared by mixing 100 g of sodium bicarbonatenahco3 formula mass8401 gmol and 100 g of sodiumcarbonate
a 7265-g bar of iron was heated to 997 degrees c and then dropped into 350 ml of water at 200 degrees c the temp of the
0375 moles of a solid is dissolved in water and the resulting solution had a mass of 51387 g the initial temperature of
a solution composed of 2000g c2h5oh in 6000g ccl4 has a density of 1280 gml calculate the molarity of c2h5oh in the
barium sulfatebaso4 is used in medicalimaging of the gastrointestinal tract because it is opaque to xrays a barium
carbon disulfide cs2 has a vapor pressure of 300mghg at 20c astoppered flask contains 10 mols of cs2 at 20c what is the
why must cholesterol although lipid-soluble cross most membranes by means of receptor-mediated endocytosis or
meiosis is a reductive type of cell division it results in cells with fewer chromosomes why is this
daughter cells of mitosis have the same number of chromosomes as the parent cell while daughter cells of meiosis have
using this article as backgroundnbspwhat drives the 10-year cycle of snowshoe haresnbsppresent a predatorprey
begin by constructing a hypothesis to explain what differences you might observe when comparing the karyotypes of human
what three components do pay-for-performance p4p and value-based purchasing vbp systems typically
why do you think a large part of the primary somatic sensory area of the cerebral cortex is devoted to the face and
beta blockers are a commonly prescribed group of drugs used to treat heart disease hypertension migraines etc it is
what is the the origin of the mitochondria nuclear envelope cytoskeleton and
what is lactose tolerance and intolerance and how it involves three of the four major classes of biological
what role do antibodies play in immunity how are they produced how do they