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Gold can be plated out of solution according to the equationAu3+(aq) + 3e- ---> Au(s) What mass of gold in grams will be plated by the flow of 5.5Aof current for 25 minutes?
We are investigating the keto-enol tautomerization of acetylacetone (pentane-2,4-dione) in an aqueous solutions at 25 degrees Celsius. The standard reaction Gibbs energy for the enol ketone tautomerization is -3.64 kJ/mol.
It was determined from six replicates measurements that a candlewick contained 12.1 ppm lead and the standard deviation was 0.6ppm. assuming no systematic errors, the true means is likely to lie between what values at 95% confidence
What molecules are used and why are they colored. and how does the different composition depend on the specific ink color also, how do different components absorb different wavelengths of light in the ink
Hydrogen peroxide decomposes into water and oxygen in a first order process. At 20 degrees C, the half life for the reaction is 3.92 x 10^4 seconds
A solution contains 0.35 mol of isopropanol (C3H7OH) dissolved in 0.85 mol of H2O. What is the molarity of this solution
Given an equation and an enthalpy change, how much heat is involved when a certain amount of an element
Write a balanced reaction for the complete combustion of ethanol (C2H5OH) in oxygen, using the smallest integer coefficients. Then add up the total of all of the coefficients from both sides of your equation and enter that number as your answer.
although we usually think of substances as burning only in oxygengas the process of rapid oxidation to produce a flame
One tablespoon of peanut butter has a mass of 15g. It is combusted in a calorimeter whose heat capacity is 130 kJ/degrees C. The temperature of the calorimeter rises from 22.4 degrees C to 25.2 degrees C.
a very dilute solution contains 116 mg of fructose m180.16 gmol in 1.00 liters of solution. it is placed in a
Benzene has heat of vaporaization 31 kj/mol and at 25 C has vapor pressure of 108 mm Hg the normal boiling point of benzene is ln 760/108 =31/8.314(1/298-1/t2)
The fourth solution is 10 ml of DI water and 10 ml of solution three 5) The fifth solution is 10 ml of DI water and 10 ml of solution four I'm pretty sure we're supposed to use the C1V1=C2V2 formula
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