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Compute the total translational kinetic energy of the air molecules in a spherical balloon of radius 43.0 cm at 24oC and 1.2 atm. Is this enough energy to heat 200mL of water from 20oC to 90oC for a cup of tea? The density of water is 1.0 g cm-3 as well as it's specific heat is 4.181 J g-1 oC-1.
a solution is initially 0.050m in acetate ch3coo- kb 5.6 x 10-10. 10.0ml of 0.10 m hcl is added.a write the chemical
What is the correct net ionic equation, including all coefficients, charges, and phases, for the following set of reactants?
question an element crystallizes in a body-centered cubic lattice. the edge of the unit cell is 2.52 aa and the density
torsional strain is exhibited during exclipsed newman projections. where would steric hindrance be demonstrated? at any
Consider the titration of 80.0 ml of 0.100 M Ba(OH)2 by 0.400 M HCL. Compute the pH of the resulting solution after the following volumes of HCL have been added.
Chlorine consists of two major isotopes with the following atomic masses: 35Cl (34.9689 amu) and 37Cl (36.9659 amu). The average atomic mass of chlorine is 35.4527 amu.
a 45-g piece of ice at 0 degrees c is added to a sample of water at 9 degrees c. all of the ice melts and the
A gaseous organofluorine compound has a density of 0.496 g/L at 17 deg. C and 189 mm Hg. What is the molar mass of the compound
Provide three balanced chemical equations that will precipitate Pb2+ from a solution. Exclude substances containing chloride or chromate ions
The density of gold is 19.3 g/cm3. a 3.4 mg piece of gold is hammered into a square that is 8.6 x 10-6 cm thick. what is the length of a side of the square, in cm
21 g of each Li (molar mass=7 g/mol) and N2 (molar mass=28 g/mol) are placed in a reaction vessel. What is the maximum mass of Li3N (molar mass=35) that can be produced
If 15.0 mL of glacial acetic acid (pure HC2H3O2) is diluted to 1.70 L with water, what is the pH of the resulting solution? The density of glacial acetic acid is 1.05 g/mL
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