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A filtration could be very time consuming if it were not aided by a gentle suction which is developed by:
For effusion which statement is true regarding momentum and kinetic energy
calculate the enthalpy change for an isobraic change of steam from 0.8 MPa and 250 C to saturated liquid
Propylene glycol is a non-volatile di-alcohool that is used for de-icing of aircrafts on the ground. What is the minimal volume of propylene glycol that will be required per square meter of aircraft surface to remove a 3mm ice sheet if the tempera..
A mixture is prepared using 25.00 mL of 0.08000 M aniline, 25.00 mL of 0.06000 M sulfanilic acid and 1.00 mL of 1.230 × 10-4 M HIn and then diluting to 100.0mL
How many grams of lead chromate form when a 1.00-g sample of Pb(NO3)2 is added to 5.0 mL of 1.00 M K2CrO4 solution.
A gaseous mixture of and has a density of 1.104 at 445 and 300 . What is the mole percent in the mixture?
what are the names of the quantity measured by each of seven SI base units and the SI symbols of the unit?
What volume of STP of CO2 would be produced by the fermentation of 13.94 of 13.94g of glucose?
Write the complete stepwise mechanisms for reactions below. Show all intermediate structures and all electron flow with arrows.
Consider a solution of a weak acid at a pH equal to its pKa. By how much would the pH change, and in which direction, if we added to this solution enough base to neutralize 10% of the total acid?
Calculate the average atomic made of boron which has 2 isotopes. Boron-10 has an abundance of 19.9% and boron-11 has an abundance of 80.1%.
10.00 mL of a solution containing 0.17 M NaCl and 0.23 M AlCl3 is introduced into a fully charged cation exchange column. How many moles of hydronium ions will be released by the column?
What would be the percent by mass of NaI solution prepared by dissolving 95 g NaI in 450 g water?
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