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The average distance to Mercury from the Sun is about 5.79 x 10 7 kilometers (km). The average distance of Jupiter from the Sun is about 13 times the distance of Mercury from the Sun. What is the approximate average distance of Jupiter from the Sun, in km?
calculate the energy levels of the pi-network in octatetaene c8h10 using the particle in the box model. to calculate
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons. Show the formal charges of all atoms in the correct structure.
A 1.00-mol sample of an ideal monatomic gas is compressed isothermally and irreversibly in one step from 2.50 atm to 6.50 atm at 300.0 K. Calculate G for this process.
The mass of a cube of iron is 439 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions?
A 6.20 g sample of phosphorus was reacted with oxygen to form an oxide with a mass of 14.20 g. Calculate the percent composition of the compound.
gas stoichiometry.ethanol c2h5oh burns in air c2h5oh i o2g ----gt co2g h2o i balance the equation and determine
Concentrated sulfuric acid is 98% by mass H2SO4, with the remaining mass being water. What is the molar concentration (i.e., molarity) and the molal concentration (i.e., molality)
a student purified a 500-mg sample of phthalic acid by recrystallization from water. the published solubility of
An aqueous solution containing 5.85g of an optically pure compound was diluted to 800.0mL with water and placed in a polarimeter tube 10.0cm long. The measured rotation was -5.93degrees at 25degrees C. Calculate the specific rotation of the compou..
Ions with a single electron such as He+, Li2+, and Be3+, are explain by the H atom wave functions with Z/a0 substituted for 1/a0, where Z is a nuclear charge. The 1s wave function becomes?
Use your graph and the definition of half-life to determine the half-life of the "M&M" radioisotope.
What volume of glacial aceic acid (18M) and what weight of sodium acetate trihyddrate(CH3COONa.3H20) are required to make 100 ml of .2 M buffer at pH 4.5 (pKa of acetic acid is 4.74). please explain steps in detail and use units in asnwer
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