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In one analysis, a 0.68g of vitamin C tablet (C6H8O6 molar mass=176.14 amu) is
What is the excess reagent and how much of it remains? (please explain steps if possible)
mixture(O,H) is ignited with a spark and it reacts to form (H2O)liquid water. determine the temperature of water.
Assume that the kinetic energy of a 1500 kg car moving at 150 km/h could be converted entirely into heat. What amount of water could be heated from 22C to 48C by the car's energy?
Calculate the de Broglie wavelength of a neutron moving at 1.17% of the speed of light. _____m
Three solutions 61.0 mL of 0.2 M KNO3; 63.0 mL of 0.3 M Ca(NO3)2; and 69.0 mL of 0.385 M KCl were poured together to make one new solution.
Chemistry - Estimation of Mass Required in a Reaction, With the reaction, CaCO3+2Hcl->CaCl2+H2O+CO2. Using percent by mass what is the weight of HCl needed to react
The solubility of silver chromate is 0.0287 g/1.0 L of solution. What is the Ksp for Ag2CrO4?
How many L. of N2 gas are produced at STP when the airbag inflates if the airbag contains 132 g. of Sodium Nitride?
flask of nitrogen is collected over water at a total pressure 765.0 mm Hg. If the partial pressure of the water vapor is 25.0 mm Hg, what is the pressure exerted by the nitrogen?
Description of Intermolecular forces, What parts of the calcium chloride are attracted to what parts of the water molecule when calcium chloride dissolves
The lid is tightly sealed on an empty 2.0L soda bottle at 25.0 degrees Celsius and 732 mm Hg. If the bottle is heated to 100.0 degrees Celsius, what is the pressure in the bottle?
3NaHCO3(aq) + H3C6H5O7(aq) → 3CO2(g) + 3H2O(l) + Na3C6H5O7(aq) How many moles of Na3C6H5O7 can be produced if one tablet containing 0.0119 mol of NaHCO3 is dissolved?
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
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