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54g of a certain metal at 98 degree Celsius was placed into 80ml of water at 297K. Assuming no heat is lost to the surrounding, what is the temperature of the water and the metal? (Specific heat of metal = 0.085cal/g degree Celsius)
Write the reaction mechanism for the conversion of acetylferrocene to diacetylferrocene using acetic anhydride and 85% phosphoric acid.
Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.
a solid with an irregular shape and a mass of 11.33 g is added to a graduated cylinder filled with water
You have a solution of 0.085 M HNO2 and 0.15 M KNO2 (Ka for HNO2 = 4.5 * 10-4) what is the pH
If 1.00 g of Ca2+ dissolved in 420 mL of water reacts stoichiometrically according to the balanced equation in a reaction solution with a total volume of 1680 mL, what is the molarity (M) of Na+ produced?
a 70g piece of ice at 0c is added to a sample of water at 6 c all of the ice melts and the temp of the water decreases
1. calcium carbonate and sand mixture with weight of 4 grams is reacted with excees of hcl results in the production of
equilibrium at 25C with 5.82L of an aqueous solution of N2O(aq). what is mass of N2O whic is disssolved?
Crime scene investigators keep a wide variety of compounds on hand to help with identifying unknown substances they find in the course of their duties
the final step of the purification process in the miniscale procedure involves a simple distillation.
what would be the atmospheric pressure of MTBE in Pa If this sample were at equilibrium with atmospheric MTBE? KH = 1.7 M/atm.
A gaseous mixture of O2 and N2 contains 38.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 365mmHg
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