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What wavelength of light would you report in units of nm, if the light had a wavelength of 7.60 x 10-10 m?
The mass percent of an element in a compound is the mass of the element (total mass of the element's atoms in the compound) divided by the mass of the compound
A 1.5618-g sample containing sulfate ion was treated with barium chloride reagent, and 0.2321 g of barium sulfate was isolated. Calculate the percentage of sulfate ion in the sample.
Find the number of moles of water that can be formed if you have 174 moles of hydrogen gas and 82 moles of oxygen gas.
Write down a lewis structure for SbCl5 and also explain Does the the octet rule is obeyed by this molecule Explain how many grams would 3.01 * x10 23 atoms of tellurium have?
How many moles of N2O3 are needed so that you have 2.55 x 1024 oxygen atoms.
Propose a detailed mechanism for the acid - catalyzed Fisher esterification of propanoic acid
Calculate the activation energy for the following reaction if the rate constant for the reaction increases from 84.2 M-1s-1 at 497 K to 1310 M-1s-1 at 794 K.
The normal boiling point of ether is 307.8 K. Calculate the temperature at which its vapor pressure is exactly half of that at its normal boiling point.
calculate the approximate volume of a 0.600 mol sample of gas at 15.0 degrees Celcius and a pressure of 1.10 atm.
a saturated solution of bariumchloride at 30C contains 150g water. how much additional barium chloride can be dissolved by heating
Show all of your work for each of the following problems. An aluminum nail of mass 5.00g is immersed into a solution of copper(II)nitrate. How many grams of elemental copper can be produced from the reaction
The pH in a lake the size of 4.0 km X 7.0 km and an average depth of 100 m is found to be 4.5. Calculate the mass of calcium carbonate that must be added to the lake water in order to raise its pH to 6.0.
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