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55 gallon drum weighs 75.0 lb. when empty. What will it weigh when it is filled with ethanol, which has a density of 0.789 g/mL? (1 gal=3.78L, 1 lb.= 454g)
Determine the molar mass of aspartame and How many moles of molecules are in 10.0g of aspartame?
When 2-bromopropane reacts with ethoxide ion, two products are formed; one is the product of Sn2 substitution and the other is the product of E2 elimination.
dilute to mark with water and mix. (You will need the extra volume of this most concentrated solution for further studies.) Record your actual standard concentrations accounting for the dilution as Cstd1, Cstd2, Cstd3, and Cstd4, respectively.
When 28 mL of a 430 mL stock solution containing 2.3 M AlCl3 is diluted to 114 mL, how many moles of Al3+ are in the new solution?
The same mass of solute is dissolved in 9.82 g of t-butanol instead of cyclohexane. What is the expected freezing point change of the solution
a. in determining the percent acetic acid in vinegar the mass of each vinegar sample is measured rather than the
Describe the differences in the shapes of the electron density distributions for NH3, NCl3, and PF3. Explain how the energy minimized bond angles
write a plausible chemical equation to interpret at the atomic level what you observed in the reaction of Lysol Toilet Bowl Cleaner with 0.1 M AgNO3?
A 0.4000 g sample that contained 96.4% Na2SO4 (142.04 g/mol) required 41.25 mL of barium chloride solution to reach the endpoint in a precipitation titration. What is the molarity of the BaCl2 solution
A lake with a cross sectional- area of 1km^2 and a depth of 125m has an euphotic zone that extends 15m below the surface what is the maximum weight of the biomass (in grams of carbon) that can be decomposed by aerobic bacteria
If 25.0g of sodium peroxide(Na2O2, MW = 78.0g/mol) is reacted with 12.1g of water (H2O, MW = 18.0 g/mol) according to the following thermochemical equation: What quantity of heat is released?
Calculate the energy required to raise the temperature of 160.0 g Ag from 273 K to 295 K. Please provide answer in J
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