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The density of gold is 19.3 g/cm^3. You inherit a gold bar that measures 7.0 inches by 3.0 inches by 2.0 inches. How many ounces does the bar weigh?
A sample of sodium reacts completely with 0.426 kg of chlorine, forming 702 g of sodium chloride. What mass of sodium reacted?
In the manufacturing of computer chips cylinders of silicon are cut into thin wafers that are 3.00 inches in diameter and have a mass of 1.50 g of silicon
A similar question was asked before, but the formatting of the answer made it unreadable. So, I am asking it again. I have a thermodynamic system with three states in the canonical ensemble
The BaSo4 was found to have a mass of 11.96 mg. The molecular weight of the compound was found to be 168 g/mol. Using this data, what is the molecular formula of the C, H, S compound?
12 grams of hydrogen is combined with 104 grams of oxygen as an explosive reaction that forms water as its sole product. All the hydrogen reacts but 8 grams of oxygen remain. How many grams of water is formed?
What is the percent by mass of NaHCO3 in a solution containing 10 g of NaHCO3 dissolved in 300 mL of H2O
The combustion of magnesium metal is described by the following equation. What mass of magnesium must be burned to produce 1.00 kJ of heat
The bonding in BF3 requires formation of hybrid orbitals on boron. If the molecule is oriented in the xy plane, what is the identity of the unfilled p orbital on boron.
Describe how this observation is consistent with the law of conservation of charge.
The solubility of barium fluoride, BaF2, is 3.15 x 10-3 M at 25 °C. Calculate the solubility product, Ksp, of both compounds.
How many grams of sulfur (S) are needed to react completely with 369 g of mercury (Hg) to form HgS?
The balloon is designed to continue its ascent to an altitude of 30 km, where it bursts, releasing a package of meteorological instruments that parachute back to Earth.
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