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Write the isotope notation for the element that has 77 neutrons, 54 electrons and has a net charge of 2-.
The lab is synthesis of Methyl Benzoate. The question is besides fischer sterification Name three other ways to make esters.
calculate the number of days required to forget 95% of the material learned by each method. Assume a constant temperature and no further reference to the learned material during the decay time.
A chemist needs to determine the concentration of a solution of nitric acid, HNO_3. She puts 865 mL of the acid in a flask along with a few drops of indicator.
Explain why the wild horse analogy can be used to help explain a certain type of chemical bonding
The specific heat of calcium metal is 0.653J/gK. How much heat, in joules, is required to heat a 58.5 gram sample of calcium from -5.2oC to 16.7oC. Enter your answer in scientific notation with no units.
Are the following processes exothermic or endothermic. the combustion of gasoline in a car engine water condensing on cold pipe CO2(s) CO2(g) F2 2F(g)
the haber-bosch process for fixation of nitrogen is one of the more important chemical reactions ever invented. without
if the pressure during the reaction stays CONSTAT (put the valune can change, like in a piston balloon which of these reactions do work on the surroundings
Given that one mole of NaOH reacts exactly with one mole of potassium hydrogen phthalate, write the chemical reaction and calculate the number of milliliters of 0.100 M NaOH required to neutralize the 0.500 gram sample of potassium hydrogen phthal..
Balanced equations for the reaction of resorcinol in water, resorcinol in toluene, and resorcinol in hexanes. Balanced equations for the reaction of anthracene in the same three solvents.
You have 100.0 mL of 0.100 M aqueous of each of the following acids: HCN, HF, HCl, and HC2H3O2. You titrate each with 0.100 M NaOH (aq). Rank the pHs of each of the solutions when each are titrated at the equilibrium point, from highest to lowest ..
What is the limiting reagent? Show the reasoning b) Calculate the theoretical yield in milliliters of the butene produced at 740 mm and 25 C when it is collected over water.R=0.0821
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