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Many homeowners treat their lawns with CaCO3(s) to reduce the acidity of the soil. Write a net ionic equation for the reaction of CaCO3(s) With a strong acid.
What is the maximum mass of sucralose (C12H19Cl3O8) you can add to 2.50 kg of pure water and still have the solution freeze? Assume that sucralose is a molecular solid and does not ionize when it dissolves in water.
Calculate the mass of aluminum deposited on the purified aluminum metal by the application of a current of 1.225 kiloamperes for 30 minutes from a very large quantity of a solution containing Al3+ ion in the Al2O3/Na3AlF6 molten state
What is the freezing point of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water?
Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior and use two significant figures in your answers.
Determine if the concentration of formaldehyde and methanol as measured in water will convert to its relative organic acids? If there is a measured concentration of formaldehyde and methanol in a 1000L solution of water at temperature = 180 degrees..
The half-cell is a chamber in the voltaic cell where one half-cell is the site of an oxidation reaction and the other half-cell is the site of a reduction reaction.
Give the answer ect number of significant figures. Translate the "E" below into "x 10" to the power of whatever numto the corrber follows it. for example, 6.8 E +01 is 6.8 x 10^1
calculate (a)molality? (b)molarity of NaCl? (c) What is the mass/mass and remove the most loosely held e- from a gaseous atom in a ground state
Limestone (CaCO3) is used to remove acidic pollutants from smokestack flue gases. It is heated to form lime (CaO), which reacts with sulfur dioxide to form calcium sulfite
A 3.664 g sample of a monoprotic acid was dissolved in water and required 20.27 mL of a 0.1578 M KOH solution for neutralization. what is the molar mass of the acid
identify the two compounds that are likely to undergo homolytic bond cleavage, and show the mechanism for hemolytic bond cleavage.
Calculate the partial pressure of each, the total pressure and the composition of the liquid solution.
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