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Table salt, NaCl(s), and sugar, C12H22O11(s), are accidentally mixed. A 4.50-g sample is burned, and 2.70 g of CO2(g) is produced. What was the mass percentage of the table salt in the mixture?
Identify the unknown gas - Find the molecular formula of the compound
Determine the volume of 6.44*10^-2 M adenosine triphosphate (ATP) that is having 1.68 mol of adenosine triphosphate express your answers in (mL)?
What mass of glucose can be produced from a photosynthesis reaction 6CO2(g) + 6H2O-> C6H12O6(aq) + 6O2(g) that occurs using 18.4 mol CO2? Answer in units of g.
A horizontal piston contains 34kg of water that is saturated at 36oC. Heat is transferred to the water until 80% of the water vaporizes.
Atomic orbitals merge into molecular orbitals as the atoms move towards each other. What happens with molecular orbitals when the molecule
what is the depth below the surface at which the concentration is 1016 atoms/cm3 if the surface concentration is maintained at 1018 atoms/cm3? Use D = 2 x 10-12 cm2/s for aluminum diffusing in silicon at 1100?C.
The Cl^- concentration in the water analysis given has been questioned. What concentration of Cl^- (mg/L) would make the cations and anions balance?
An automobile gasoline tank holds 21kg of gasoline. When the gasoline burns, 86kg of oxygen is consumed and carbon dioxide and water are produced.
How many grams of sulfur (S) are needed to react completely with 355g of mercury (Hg) to form HgS?
Why does phenolphtalein change colour during the production of gas?
What volume of hydrogen is necessary to react with five liters of nitrogen to produce ammonia?
Calculate the pH of of a solution prepared by mixing 60.0 mL of 0.160 M HCl with 15.0 mL of water. How much antacid containing 400.0 mg of Mg(OH)2 in 5 mL of water is needed
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