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Problem- A gas occupies a volume of 256 mL at a pressure of 250 torr at 32 degree C. Calculate the pressure(in atmospheres) if the volume is reduced to 156mL and the temp is increased to 62 degree C.
Explicate the each step. Explicate the process and each step.
properties of subatomic particles.1. fill in the missing relative masses and relative charges for each of the subatomic
What must be the atomic mass of the metal M If A sample of the compound MSO 4 weighing 0.1131 g reacts with barium chloride and yields 0.2193 g BaSO4.?
What mass of glucose can be produced from a photosynthesis reaction 6CO2(g) + 6H2O -> C6H12O6(aq) + 6O2(g) that occurs using 18.4 mol CO2? Answer in units of g.
Consider an aqueous solution made by mixing 500.0 mL of 0.40 M NH3 and 500.0 ml of 0.40 M AgNO3. Ag reacts with NH3 to form AgNH3 and Ag(NH3):
This calibration was carried out in a 1.00 cm cell, and yielded an absorbance of 0.2850 AU. An unknown was then analyzed in this same spectrophotometer, but using a 2.50 cm cell. If the absorbance of the unknown was 0.2270 AU, what is the Cu conce..
What is the equilibrium concentration of N2 in water when the pressure of N2 above the solution
The working buffer solution was warmed to 30oC and the pH of this solution was determined to be 8.03. What is the pKa of Tris under these conditions
calculate the amount of heat absorbed when 50g of ice areheated to produce steam at 100 degrees celsuis. the specific
How many grams of iron will be electrodeposited by the passage of 3.20 ampere current through a 0.500 M Fe(NO3)3 solution for an hour and 30 minutes
Question- In the titration of 10.00 mL of an unknown weak acid (HX) with a strong base that has a molarity of 0.1002 M, the equivalence volume was found to be 18.45 mL. a) Calculate the concentration of HX.
Compare the pH of a H2CO3 buffer that contains .10 M H2CO3 and .10 M NaHCO3 with another H2cO3 buffer that contains .15 M H2CO3 and .050 M NaHCO3.
Define dipole moment. Distinguish between polar and nonpolar bonds.Give an example of each
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