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Explain what volume will 500mL of a gas at 20 degrees C as well as a pressure of 420 mm Hg live in if the temperature is reduced to -80 degrees C as well as the pressure increased to 650 mm Hg?
A stock solution is prepared by adding 35 mL of 1.5 M NaNO2 to enough water to make 49 mL. How many moles of NO2- are in 30 mL of the stock solution
What mass of ammonium chloride (mm = 53.49 g/mol) must be added to 335 mL of 0.559 M NH3 to create a solution of pH 8.20
For the following reactions, identify the type (combination, combustion, decomposition, displacement, methathesis [double-displacement)] neutralization), balance the reaction, and for the redox reactions identify the oxidizing agent and reducing a..
a solution is made by dissolving 31.0 g of naoh in approximately 450 ml of water in a volumetric flask. the solution
What mass of solution contains each of the following amounts of dissolved solute? 1.) 15.0g of sulfuric acid in a 25.0\% solution 2.)11.0g of acetic acid in a 5.00\% solution
how many moles of glucose C6H12O6 can be burned biologically when 10.0 mole of oxygen is available
Determine the volume of the methane at STP if bacterial culture isolated from sewage produced 35.5 mL of methane, CH 4 , at the temperature of 31 degree Celsius and at pressure of 753 mmHg.
Calculate the microwave energy in Joule per photon and in Joule per mole of photon (J/mol). (b) How many moles of microwave photon must be absorbed by 1.0 g of water to raise its temperature by 1.0 ºC?
A certain reaction has an activation energy of 46.80 kJ/mol. At what Kelvin temperature will the reaction proceed 3.50 times faster than it did at 341 K
what is the compounds molar mass if the density of a gaseous compound of phosphorous is 0.943gl at 474k when its
The molecular geometries for H2O and SO2 are bent. The H-O-H bond angle in H2O is about 109degrees, whereas the bond angle for O-S-O is about 120degrees, EXplain using lewis diagrams why the molecules have the same molecular geometry but different..
Study Boyle's experiment, some nitrogen gas at 1 atmosphere pressure is intent in the left hand side of a J tube. When the column of mercury is extended by adding more to the right hand side, Define the original volume of the enclosed gas (100 mL)..
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