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The density of phosphorus vapor at 310 degrees celcius and 775 mmHg is 2.64g/L. what is the molecular formula of the phosphorus under these conditions?
to obtain the same antifreeze protection requires 76 g of propylene glycol to replace each 62 g of ethylene glycol.
The following reaction is first order with respect to NO and first order with respect to O2, and the rate constant is 5.0 x 104 M-1s-1: 2NO(g) + O2(g) --> N2O4(g)
A solution of 0.264 M NaOH is used to neutralized 54.0 mL H3PO4 solutions. if 1.0 mL of NaOH is required to reach end point what is the molarity of H3PO4
what is a given and how much water must be mixed with concentrated hydrochloric acid to prepare 50 cubic cm of 6 molar hydrochloric acid solution?
Aqueous solutions of chromium(III) chloride and lithium hydroxide react to give aqueous lithium chloride and a chromium(III) hydroxide precipitate.
what is the mechanism of how sodium hydroxide reacts with ester (lard) to form cardoxylic acid soap
A sample of oxygen gas has a volume of 131 L at 25°C and a pressure of 0.982 atm. Calculate the volume of this oxygen sample at STP.
a mixture of 0.140 moles of C is reacted with 0.117 moles O2 in a sealed, 10.0 L vessel at 500 K, producing a mixture of CO and CO2. the total pressure is 0.640 atm. What is the partial pressure of CO
A sample of air contains 11.4 µg/m^3 of beryllium dust. How many atoms of beryllium are present in a room with dimensions of 19.1 feet by 12 feet by 13.3 feet? Answer in units of atoms.
There is a common belief that beverages tend to be acidic and cleaning agents are often basic. Based on your findings in this lab, is this statement confirmed, plausible, or busted. Explain.
cu2 ag d ch4 o2 co2 h2o e both a and b 23. draw a lewis structure for h3c--no2. both oxygen atoms are directly
A 486 mL sample of water was cooled from 50.0°C to 10.0°C. Assuming a specific heat of 4.184 J/K g and a density of 1.00 g/mL, find the amount of heat transferred from the water to the surroundings.
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