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A solution is made by dissolving 21.5 grams of glucose (C6H12O6) in 255 grams of water. What is the freezing-point depression of the solvent if the freezing point constant is -1.86 °C/m?
Our stock solutions are 0.2M EDTA, 0.04 M NaF and 1.2 M potassium phosphate. What volumes of the stock solutions should be measured?
Can someone please show me a mechanism for a Diels-Alder Green Organic Phototchemistry reaction mechanism? We used 9-(hydroxymethyl) anthracene, deionized water, and N-methylmaleimide as the reagents and allowed to solution to reflux.
Calculate the mass of material required if 1500 calories of energy causes a change from -27 degrees fahrenheit to 91 degrees celcius and the specific heat capacity is 0.25 joules/gram-degree C.
What is the pH of a solution of 0.20M RbCHO2? Must use an ICE table (Initial Concentration, Change in Concentration, Equilibrium Concentration) and the quadratic formula unless the "x is small" approximation can be used.
Make a rough calculation of the amount of CO2 exhaled by a person in day. With this, and assuming a space crew of five, how much LiOH must be taken in a seven day mission? Take into consideration a safety factor of 200%.
Determine the pH of a solution of 10-3 M sodium formate. Formate is a byproduct of microbial metabolism, and can also serve as an energy source for anaerobic bacteria.
The vapor pressure of ethanol is 100. mmHg at 34.9°C. What is its vapor pressure at 53.5°C. (?Hvap for ethanol is 39.3 kJ/mol.) _____ mmHg
If a copper-containing compound is found to be 29.2% Cu by mass, and there is only one copper atom per formula unit, what is the formula mass of the compound in amu
61.0 mL of a 1.70 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 119 mL of water. What is the final concentration
A sample of propane,C3H8 , contains 18.0 moles of carbon atoms. How many total moles of atoms does the sample contain? Express the total number of moles of carbon and hydrogen numerically.
55.0 ml of 0.10 m hclaq is mixed with 55.0 ml of 0.10 m naoh 9aq in a coffee cup calorimeter. both solutions are
if the transition state has a smaller volume than the reactants (deltaV double dagger
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