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An unknown amount of butane (x moles of C4H10) is burned with pure oxygen in a bomb calorimeter. The dry gas molar analysis of the products is 48.72% CO2 and 51.28% O2. Determine
a. The actual molar and mass oxygen/fuel ratios.
b. The percent excess oxygen used.
c. The molar percentage of each combustion product before the exhaust gas was dried for this analysis.
stock soultions of thris base and tris acid how much of each would you use to make 100ml
What is the expected freezing point of a 0.50 m solution of Li2SO4 in water? Kf for water is 1.86°C/m.
A hydrate compound has an analysis of 18.29% Ca, 32.37% Cl, and 49.34% water. What is it formula?
Draw an oxygen consumption cruve for a suspension of isolated mitochondria when the following compounds are added in the indicated order. With the addition of each compound all of the previously added compounds remain present
Problem- Calculate the masses of oxygen and nitrogen (in mg) that are dissolved in 1.5 L of aqueous solution in equilibrium with air at 25°C and 760 Torr. Assume that air is 21% oxygen and 78% nitrogen by volume.
Consider just acid-base chemistry. Ignore ion pairing as well as activity coefficients. Citric acid (H3A) is a triprotic acid with pKH3A = 3.128, pKH2A- = 4.761 as well as pKHA2- = 6.396. 8-Hydroxyquinoline (HB) is derived from the diprotic acid H..
Question- There is a 7.50 L container of 3 gases N2, O2 and unknown. The total pressure is 2.1 atms and the partial pressures of O2 and N2 are 0.60 atm and 0.35 atm. The temperature of the container is 25 degrees Celsius. What is the number of mol..
Microwave ovens emit microwave energy with a wavelength of 12.2 cm. What is the energy of exactly one photon of this microwave radiation
Ten grams of hamburger were added to 90 mL of sterile buffer. This was mixed well in a blender. One-tenth of a mL of this slurry was added to 9.9 mL of sterile buffer.
The electron is passed down an electron-transport chain, at the end of which NADP+ is reduced. The reduction potentials of P700+, A and NADP+ at pH7 and 25 oC are 0.490V, -0.900V, and -0.350V respectively.
Calculate titanium's specific heat (J/g*degrees Celsius) and molar heat capacity (J/mol*degrees Celsius) if 89.7 J of heat raise the temperature of a 33.0 g titanium block by 5.20 degrees Celsius?
Can phenol undergo halogenation with iodine. If so, what happens when phenol is added with iodine solution and then sodium hydroxide and warmed. This will show a negative iodoform test, but what can be observed and why?
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