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Chemistry
Chemistry
High School
Answer with the Matching-match the letter with the correct item
Chemistry
High School
which of the following most favors elimination rather substitution in a reaction with 2-bromopropane? question 6 options: sodium methoxide sodium ethoxide sodium isoproxide sodium tert-butoxide
Chemistry
High School
how can the chemical potential energy in an endothermic reaction best be described?(1 point) responses
Chemistry
College
HELPA student in today's experiment produces 2.538 g of pure aspirin product. If commercial aspirin pills contain 325 mg of aspirin per pill, how many pills could be manufactured from the student's 2.538 g of product?
Chemistry
High School
n the combustion analysis of 0.1127 g of glucose (c6 h12 o6 ), what mass, in grams, of co2 would be produced?
Chemistry
High School
Enter your answer in the provided box. Atomic hydrogen produces a well-known series of spectral lines in several regions of the electromagnetic spectrum. Each series fits the Rydberg equation with its own particular n value. Calculate the value of n, that would produce a series of lines in which the highest energy line has a wavelength of 821 nm.n1 = ___
Chemistry
High School
suppose that the actual amount of nickel is less than your experimentally determined amount of nickel. what is the likely source(s) of this error and how can it be reduced?
Chemistry
High School
What is the pH of a 0. 1 M solution of TRIS [tris(hydroxymethyl)aminomethane] in the acid form? pKa = 8. 3
Chemistry
High School
At this point, you should have some idea of how a strong base behaves in solution once it dissolves. Choose all that apply as they relate to a strong base.Conjugates of strong bases are ions from group 1 and 2 of the periodic tableA strong base dissociates partially in solution to produce its conjugateThe conjugate of a strong base is basic in solutionConjugates of strong bases are ions from the transition metals in the periodic tableA strong base dissociates completely in solution to produce its conjugateThe conjugate of a strong base is neutral in pH when in solution
Chemistry
High School
discuss the concentrations of reactants and products in the equilibrium in the two sketches and explain why the reactants are predominant species at the equilibrium in your graphs even though the equilibrium constant is larger than 1.
Chemistry
High School
a certain substance has a heat of vaporization of 50.39 kj/mol. 50.39 kj / mol. at what kelvin temperature will the vapor pressure be 5.00 5.00 times higher than it was at 299 k? 299 k?
Chemistry
High School
how much heat energy is required to melt 649.2 g of hbr ? the molar heat of fusion of hbr is 2.41 kj/mol
Chemistry
High School
calculate the equilibrium potential of a copper wire immersed in 0.0007 m cuso4 solution. the standard electrode potential for the reaction cu2 2e-
Chemistry
High School
what is biological process in an organism that produces methane
Chemistry
High School
if any of the solutions in this experiment are spilled on skin or clothing, what is the first thing to do?
Chemistry
High School
if 4.36 mol of potassium phosphate react, how many grams of barium phosphate are produced? If 39.5 g AlCl3 is produced, how many grams of HCl was used in the reaction? PLEASE HELP DUE IN 20 MINS!!!! ;(
Chemistry
High School
what is the pressure in a 22.0- l cylinder filled with 41.1 g of oxygen gas at a temperature of 331 k ?
Chemistry
High School
find the pka of an acid which has an initial concentration of 1.497 m for the acid and an equilibrium ph of 2.546.
Chemistry
High School
Which option best describes the outer shell of the atoms inGroup 17 on this illustration of the Periodic Table?O They have 7 protons.OThey have 17 protons.OThey have 7 electrons.OThey have 17 electrons.
Chemistry
High School
When vinegar and baking soda react, theproduct gets colder. This is a (endothermic or exothermic) reaction
Chemistry
High School
If I have 6.00 moles of gas held at a temperature of 93.5 C and in a container with a volume of 41.7 liters, what is the pressure of the gas (ka)?
Chemistry
High School
what is the principal organic product formed in the reaction of ethylene oxide with sodium cyanide (nacn) in aqueous ethanol?
Chemistry
College
help due today :(a student weighs out 2.0841 g of salicylic acid (C7H6O3). How many moles of salicylic acid is the student using in this experiment?
Chemistry
College
How many liters are in a 6M solution containing 17 moles?
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