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What are the independent and controlled variables in these factors that influence the rate of reaction
a. Reactant concentration
Mg strips placed in 4 different concentrations of HCl
b. Surface are
The reaction between sodium bicarbonate and citric acid (the ingredients in alka-seltzer tablets) when dissolved in water will be used to determine the impact of surface area on the rate of the reaction. You will measure the time it takes for the cap on a canister to pop. The formula for citric acid is H3C6H5O7. You can treat this reaction like a double displacement reaction initially. Citric acid is a triprotic acid with the citrate ion as the polyatomic ion in the acid.
c. Catalyst
The reaction uncatalyzed and catalyzed reaction between solutions of KI, Na2S2O3 and KBrO3 will be used to demonstrate the impact of a catalyst on the rate of a reaction. Ammonium molybdate, (NH4)2MoO4, is the catalyst used in this reaction.
d. Nature of reactants
The reaction between different metals (Zn, Cu, and Mg) and 6 M hydrochloric acid will be used to determine the impact of the nature of the reactant on reaction rate. Use about 10 mL of the acid for each trial.
an aqueous solution is 22.0 by mass silver nitrate agno3 and has a density of 1.22 gml. what is the molarity of silver
to determine the partial pressure of each gas in a mixture of gases using daltons law of partial pressures.1.dry air
How many grams of dry NH4Cl need to be added to 1.50 L of a 0.500 M solution of ammonia, NH3,to prepare a buffer solution that has a pH of 8.79? Kb for ammonia is 1.8*10^-5.
Propose a reasonable reaction for the sodium hypochlorite oxidation of 3-hetpanol. Give the IUPAC name of expected product. What other oxidizing agents may be used to carry out oxidation
Calculate the mass of water produced when 2.07 g of butane reacts with excess oxygen.
a gas sample has an original volume of 760 ml when collected at 720 mm and 25degc. what will be the volume of the gas
Equilibrium shift of the reaction and the pH of solution, 1. The pressure on each of the following systems is decreased from 5 atm to 1 atm. Which way does the equilibrium shift in each of the following systems?
We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,
how much energy in kilojoules is required to convert 205 of diethyl ether at its boiling point from liquid to vapor if
Calculate the volume of hydrogen gas at 25 celcius and 1.00atm required to produce an amount of energy equivalent to that produced by the combustion of a gallon of octane (C8H18).
66.0 mL of a 1.60 M solution is diluted to a volume of 288 mL. A 144-mL portion of that solution is diluted using 163 mL of water. What is the final concentration.
The normal boiling point for acetone is 56.5°C. At an elevation of 5300 ft the atmospheric pressure is 630. torr.
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