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The dimensions of aluminum foil in a box for sale in supermarks are 66 2/3 tards by 12 inches. the mass of the foil is 0.83kg. If its density is 2.70g/cm^3 then what is the thickness of the foil in inches?
121 cal of heat are added to 50.0 g of water initially at 15.0 (degrees celsius). What is the final temperature of the water.
A sealed balloon is filled with 2.20 L helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 190. torr and the temperature is -35°C
Select all of the correct statements about reaction rates from the choices below. The lower the rate of a reaction the longer it takes to reach completion.
what are the structural formulas for the following compound : 6-bromo-2-methyl-3-heptyne
A 0.277 g sample of unknown monoprotic acid requires 39.21 mL of 0.1019 M NaOH to reach the endpoint.
A solution of phosphoric acid was made by dissolving 10 g of H3PO4 in 100 ml of water. The resulting volume was 104 mL. Calculate the density, mole fraction, molarity, and molality of the solution. Assume water has a density of 1.00 g/cm3
if 2000 l of hard water contains 0.022 m ca2+ and 0.0070 m mg2+, how many moles of na+ are needed to replace these ions?
If 0.5110 g of H2C2O4 x 2H2O completely neutralized 41.39 mL of the stock NaOH soln what is the concentration of the NaOH solution?
This leaves the aspartic acid amine group and the side chain carboxylic acid functional group of aspartic acid. Therefore aspartame will have an isoelectric point at a pH between the pKa values of these functional groups
What cell potential (V) would be expected under the following conditions?
CH4(g) + 3 Cl2(g) CHCl3(g) + 3 HCl(g) How many grams of CH4 is needed to produce 43.0 g CHCl3?
Which one of the following is the highest temperature?
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