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If the reaction rate doubles when the temperature is increased to 35 ^circ {rm C}, what is the activation energy for this reaction in {rm kJ}/{rm mol}?
The background section describes why you want the bleach to be far in excess of the dye. State how much greater the bleach should be to be considered in large excess. If the due is 1 x 10-5 M how much can the bleach be diluted before you no longer..
The density of hydrogen gas in a flask is 0.147 g/L at 305 K. what is the pressure inside the flask? Calculate the density in G/L of CH4(g) at 75 Celsius and 2.1 atm (R= .08206 L*atm/mol*K).
an automobile gasoline tank holds 49 of gasoline. when the gasoline burns 172 of oxygen are consumed and carbon dioxide
small protein in 5.00mL aqueous solution has an osmotic pressure of 7.85 torr at 23.1C. What is the molar mass of the protein?
cytochrome c oxidase receives electrons from reduced cytochrome c cyt cred and transmits them to molecular oxygen with
Use the molar volume of a gas at STP to calculate the density (in g/L ) of carbon monoxide gas at STP.
Which of the following substances would be expected to be the most soluble in CCl4? Answer with explanation as to why. a)NH3
How many unpaired electrons in the F22+ ion are based on molecular orbital theory? The order of the molecular orbitals are (σ2s)(σ*2s)(σ2p)(π2p)(π*2p)(σ*2p).
Explain why the form of the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas
What point defects are possible for Al2 O3 as an impurity in MgO? How many Al3+ ions must be added to form each
Calculate the concentration given the absorbance. Each test tube has 5ml of water then a certain amount of bromol blue. 1 ul bromol blue absorbs at= 0.092, 2 ul=0.105, 4ul=0.093, 10=0.199, 20= .225, 30= 0.592, 50=0.957, 100= 1.717.
What is the mole fraction of butanol (MM = 74.12 g/mol, D = 0.810 g/mL) when 32.94 mL of butanol is mixed with 20.43 mL of ethanol
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