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What is the boiling point of an antifreeze solution that is made of 40% ethylene glycol and 60% water (HOCH2CH2OH)?
Kf= 1.86 degrees Celsius x kg/mol
Kb= 0.51 degrees Celsius x kg/mol
The maximum acceptable concentration (MAC) of fluoride ions in drinking water is 1.5 ppm.
What is the sum of all the coefficients in the balanced equation?
Apply the Graham's law to calculate the rate of effusion of NO2 compared to SO2 at the same temperature and pressure?
Problem- What mass in grams of copper will be deposited from a solution of Cu 2+ by a current of 2.50 A in 2 hours
How many grams of ethylene glycol (C2H6O2) must be added to 1.15 kg of water to produce a solution that freezes at -4.82 degrees celsius
1. Please describe the lighting history. 2. Please describe the lighting principle of PN junction based solid state lighting.
Calculate the OH- concentration of a solution that has [H3O+] of 3.5 x 10 -10M. Is the solution acidic, base, or neutral? report answer in two decimal places.
What is the molecular geometry of a molecule with 4 outer atoms and 2 lone pairs on the central atom
Foruntantely, this toxin decomposes to a safe mixture of products by first-order kinetics with a rate of .27 days^-1. How long will it take for the water to be safe to drink
A 20.0 ml sample of 0.200 M K2CO3 solution is 30.0 ml of 0.400 M Ba(NO3)2 solution. Barium Carbonate precipitates. The Concentration of barium ions, Ba^2+, in solution after reaction is?
the system h2g i2g ?? 2 hig is at equilibrium at a fixed temperature with a partial pressure of h2 of atm a partial
Calculate the energy change for the alternative reaction that yields chlorine sodide (Cl+Na-) . 2Na(s) +Cl2 (g) yeilds 2Cl+Na+(s) Assume that the lattice energy for Cl+Na- is the same as that for Na+Cl-
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