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A dilute soluton of HCL with a mass of 610.29 g and containing .033183 mol of HCL was exactly neutralized in a calorimeter by the sodium hydroxide in 615.31 g of a dilute NaOH solution. the temperature increased from 16.784 to 20.610 degrees celcius. the specifc heat of the HCL solution was 43.031 J g. the heat capacity of the calorimeter was 77.99 J. write the balanced equation for the reaction?
sodium metal requires a photon with a minimum energy of 4.41 x 10-19 j to emit electrons.a what is the minimum
what is the percent yield of a reaction in which 266 g phosphorus trichloride reacts with excess water to form 134 g
The standard enthalpy of atomization of an element is the energy required to convert one mole of an element in its most stable form at 25 Celsius to one mole of monoatomic gas.
Which of the following reactions is equal to of the product(s)? Check All That Apply. A: Li(s) + 1/2 Cl(g) ---> LiCl(s) B: H2(g) + 1/2 O2(g) ---> H2O(g) C: 2Li(s) + Cl2(g) ---> 2LiCl(s) D: Li(s) + 1/2 Cl2(l) ---> LiCl(s) E: 2H2(g) + O2(g) ---> 2H2..
Given the following data table of average bond enthalpies, estimate the ΔH^rxn for the reactions 2H2+O2-- 2H2O. What is the hybridization of xenon in each of your Lewis resonance structures?
How much energy in ATP's is produced in one individual Kreb Cheat sheet cycle in the heart. ( Assuming all the product goes though the electron transport chain)
What is the frequency of a photon emitted from a hydrogen atom when an electron makes a transition
What are some of the characteristics that we want to observe? What might be your initial hypothesis? How would you set up an experiment to test your hypothesis?
Determine the molecular mass and its uncertainty for CH3CH2COOH. Note: Pay attention to significant figures and use the atomic masses given in the table.
Determine the partial pressure of each gas in a mixture of gases using Dalton's law of partial pressures
Draw the product that is formed when the compound shown below is treated with an excess of hydrogen gas and a platinum catalyst.
which of the following terms would be used to describe the mechanism of the reaction of 4-methy-2-pentene with sulfuric acid and water as solvent to form pantanol
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