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What is happening to water during the phenomenon of expansion when frozen.
1.0 ml of a 3.60 x 10-4 m solution of oleic acid is diluted with 9.00 ml of petroleum ether forming solution a. then
atomic absorption spectrometer was used with the method of standard additions to determine the concentration of cadmium in a sample of an industrial waste stream. For the addition, 10 uL of a 1000 ug/mL Cd standard was added to 10 mL of solution.
compute the thermal-equilibrium values of hole and electron concentrations while considering a homogeneous gallium
Presume that 25 g of each of the subsequent substances is initially at 27 degrees C. Define what is the final temperature of each upon absorbing 2.35 kJ of heat.
The density of mercury is 13.595 g cm -3 . What will be this value in SI units? Give the SI units and their symbols for the following physical quantities:
What is the actual yield of Na3C6H5O7
How many grams of potassium chlorate decompose to potassium chloride and 527 mL of O2 at 128 degrees C and 752 torr?
The density of a liquid is determined by successively weighing 25, 50, 75, 100 and 125mL of the liquid in a 250mL beaker. If volume of liquid is plotted along the horizontal axis, and total mass of beaker plus liquid is plotted on the vertical axi..
The water level in a graduated cylinder initially at 210 mL rises to 277 mL after a piece of lead is submerged. What is the mass in grams of the lead?
at 450 c tert-butyl alcohol decomposes into water and isobutene ch33cohgltgtch32cch2h2og a reaction vessel contains
What is the temperature at which the solution of KI will freeze if the solution contains 52.43 grams of KI dissolved in 479.1 grams of water.
A reverse osmosis unit is used to obtain drinkable water from a source that contains 0.740 g NaCl per liter. What is the minimum pressure (in torr) that must be applied across the semipermeable membrane
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