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Question: The polar ice caps contain about 2.3 * 10^19 kg of ice. This mass contributes essentially nothing to the Earth's moment of inertia because it's located near the poles. Estimate the change in the length of one day if the caps were to melt and redistribute evenly over the Earth's surface.
what is the resulting pH when mixing 200.0mL solution of 0.50 N HCl (strong acid) with 300.0mL solution of 0.45 M KOH (string base)
a sodium hypoclorite liquid bleach is placed in a 250 mL volumetric flask and diluted to the mark. A 25.00 mL aliquot of this solution is placed in a 250 mL Erlenmeyer flask. What volume of the original liquid bleach is in the Erlenmeyer flask?
Among all single bonds, only those involving hydrogen have signals in the functional group region of an infrared spectrum. What is the main reason behind this phenomenon?
How many donor atoms enable EDTA to form a stable complex ion with lead. A. 4 B. 6 C. 5 D. 3 E. 2
Show the product that forms when 3-phenylpropanal is allowed to mix with sodium hydroxide catalyst.
boiling water at sea level is hotter than boiling water in the mountains. Water used to sterilize surgical equipment is heated to 120 degrees C at 2.0 atm in an autoclave.
a compoud is known to contain only carbon, hydrogen and oxygen. If the complete combustion of a .150 g sample of this compoud produces
suppose you wanted to dissolve 106 g of Na2CO3 in enough H2O to make 6.00L of solution what is the molar mass of Na2CO3.
mixtures of helium and oxygen are used in scuba diving tanks to help prevent the bends. for a particular dive 29.0 l of
The molecular weight of X is 65.0 g/mol. The heat required to melt one mole of the solid phase is 20.0 kJ, the heat required to sublime one mole of the solid phase is 40.0 kJ, and the heat required to vaporize one mole of the liquid phase is 30.0 ..
What is the mass of a rectangular piece of copper 24.4cm x 11.4cm x 6.6cm? The density of copper is 8.92 g/cm^3.
An unknown monoprotic weak acid, HA, has a molar mass of 55.0. A solution contains 2.50 g of HA dissolved 800. mL of solution. The solution has a pH of 2.000. What is the value of Ka for HA
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