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Using bond enthalpies, estimate the heat of the gas phase reaction of methane with bromine to form methyl bromide and hydrogen bromide.
What would happened if HCl was accidentally used instead of Na2CO3 to extract caffeine from tea bags. Would you be able to fix your mistake. How
Calculate the pH at 25 degree C of .25 aqueous solution of phosphoric acid (H3PO4). (Ka1,Ka2, and Ka3 for H3PO4 are 7.5x10^-3, 6.25x10^-8 and 4.8X10^-13
Clancy the dog ingested 50 mL of 50% methanol. How much of 12% ethanol wine must Clancy consume in order to lower the activity of his ADH on methanol to 5% of it's normal value if the Km values of canine ADH for ethanol and methanol are 1 millimol..
How does a solution of two volatile components with strong solute-solvent attractions deviate from Raoult's law?
The decomposition of hydrogen peroxid is second order in H2O2. If 50 grams of 30% hydrogen peroxide is placed in a beaker within a sealed environment, what will be the concentration of hydrogen peroxide
A heat lamp produces 20.0 watts of power at a wavelength of 5.7?m .How many photons are emitted per second?
How many liters of liquid nitrogen are produced when 982.0 L of nitrogen gas is liquefied at 77.36K?
The energy levels of hydrogenlike one-electron ions of atomic number Z differ from those of hydrogen by a factor of Z^2. Predict the wavelength of the transition
If 405 mL of a gas at 66 degrees Celsius and 595 mm Hg weighs 1.495g, what is the molecular weight of the gas?
If 141 mL of wet H2 is collected over water at 24°C and a ba?rometric pressure of 738 torr, how many grams of Zn have been consumed.
The molar heat of reaction, H rxn, for the reaction of Ca(s) + 2H+(aq) Ca2+(aq) + H2(g)
12.0 moles of a gas (SO2) under non-ideal conditions was measured to have a pressure of 1.00*10^2 atm in a 3.00 L container. What is the temperature. the van der Waals constants for SO2 are a= 6.865L atm /mol and b=0.05679L/mol.
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