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The pressure that a water column of a certain height would exert. Maybe I can use density of the water, gravitational constant. For second, I can use <x2> = 2Dt.
Describe the role of biotin in the gluconeogenic pathway. What effect would biotin deficiency have on a person, and how might you overcome or avoid that effect?
Problem- You would like to create a reflection grating like the one shown at the right, with an incident angle (θ) of 49 °. Calculate the number of lines per centimeter that should be etched in the grating for each of the following conditions
Calculate the molar solubility of Ca(IO3)2 in each solution below. The Ksp of calcium iodate is 7.1x10^-7. a.) 0.065 M Ca(NO3)2 b.) 0.065 M NaIO3
Calculate ΔH and ΔStotal when two iron blocks each with mass of 1.00kg, one at 25'C and one at 250'C are placed in contact with each other in an isolated container.
Calculate the uncertainty (in nm) in the position of an electron with the velocity of 2.00x103 m/s (the velocity is the same as in the preceding problem) and the uncertainty in the velocity is 1%. (2 significant figures are plenty).
Problem- How many grams of dry NH4Cl need to be added to 2.30L of a 0.700M solution of ammonia, NH3, to prepare a buffer solution that has a pH of 8.77? Kb for ammonia is 1.8*10-5
What is the pH at the point in a titration at which 20ml of 1.0M KOH has been added to 25ml of 1.0M HBr
When a sample of phosphorus-32 was placed 1 cm from the detector, the intensity of its radiation was measured to be 491 counts per second. What would its activity be 2 cm from the detector
calculate the molecular mass of the nonionic solutes 64.3 grams of solute in 3.90 x 102 grams of water raises the
1.determine what is the activation energy of ch3cooch3?2.considering the given chemical equation as caco3s-caosco2g
A solution contains 0.021 M Cl? and 0.017 M I?. A solution containing copper (I) ions is added to selectively precipitate one of the ions. At what concentration of copper (I) ion will a precipitate begin to form? What is the identity of t..
assume that rubbing alcohol of 1.02 grams evaporates from a 70.0 nbspgrams of aluminum block. aluminum block is at 25
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