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An aluminum foil package contains 75 square feet of foil that weighs 12 ounces. Aluminum has a density of 2.70 g/cm^3. What is the approx thickness of the foil in mm
Determine ?H for the formation of one mole of aluminium(III) oxide, Al2O3(s) from the elements?
what is the purpose of anhydrous CaCl2? Why it is important that none of the solid CaCl2 be included in the final distillation of your 1-bromobutane?
Need to dissolve CaCl2 in water to make a mixture that is 38.5% calcium chloride by mass. If the total mass of the mixture is 886.2g
Calcium carbonate reacts with dilute hydrochloric acid to produce the gas carbon dioxide. Write a symbol equation for the reaction.
What is the percentage ionization of the acid? What is the value of Ka for the acid? 2) Periodic acid, HIO4, is an important oxidizing agent and a moderately strong acid. In a 0.20 M solution
1.If 2.47 g of salicylic acid is reacted with 61 mL methanol, what is the maximum mass of product (oil of wintergreen) that could be formed?
What volume of a 0.33 M Mg(NO_3)_2 solution contains 97 g of Mg(NO_3)_2?
The crude copper that is subjected to electrorefining contains tellurium as an impurity. The standard reduction potential between tellurium and its lowest common oxidation state, Te^4+, is Te^4+(aq)+4e-=> Te(s) E°red= 0.57V
Rotenone, antimycin A and cyanide are poisons that inhibit the electron flow through respiratory chain. Rotenone inhibits the electron flow through NADH-Q oxireductase. Antimycin A blocks electron flow between cytochrome b and c1. Cyanide blocks e..
A gas pressure of 2.0 atm is in a closed container. Indicate the changes in its volume when the pressure undergoes the following changes at constant temperature: a) the pressure increases to 6.0 atm. b) the pressure drops to 1.0 atm. c) the pressu..
Find out the Celsius temperature of 2.49 mol of gas contained in a 1.00 L vessel at 1.8 atm pressure.
A helium-filled balloon has a volume of 2.75 L at 17 C. The volume of the balloon decreases to 2.36 L after it is placed outside on a cold day. What is the outside temperature in K?
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