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Suppose you were to heat the copper in argon gas instead of atmospheric gasses. Given that argon is relatively inert, which of the following would you expect if you were to heat pure copper in the presence of argon gas?
If 6.15 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 -! CO2 + H2O, how much oxygen is required
A solution of phosphoric acid was made by dissolving 10.0g H2PO4 in 10.0 mL of water. The resulting volume was 104 mL. Calculate density, mole fraction, molarity, and molality of the solution.
Draw a mechanism for conversion of acetaminophen into phenacetin in the presence of K2CO3 and CH3CH2I.
A sample of 0.1687 g of an unknown monoprotic acid was dissolved in 25.0mL of water and titrated with 0.1150 M NaOH. The acid required 15.5mL of base to reach the equivalence point. (a) Explain what is the molecular weight of the acid
What volume of 0.20 M BaCl2 is required to react completely with 25.0 mL of 0.600 M Na2SO4. This is the net ionic equation for the reaction
Write balanced equations for the following reactions: preparations fo the semicarbazone of cyclopentanone, preparations of the 2,4-DNP of benzaldehyde, tollen's test for formaldehyde, idoform reaction with acetophenone.
Calculate the wave-lenght for the following reactions: NO2 dissociating in NO and O2 and NO2 dissociating in N + 2O, given: DeltaHf: NO2
Problem- When 1.102 atm of nitrogen reacts with 1.188 atm of hydrogen at a constant temperature in a closed rigid container, what is the theoretical yield (in atm) of ammonia
If 153 mL of wet H2 is collected over water at 24°C and a barometric pressure of 725 torr, how many grams of Zn have been consumed
In the experiment you used a less amount of sulfuryl chloride than it is theoretically required for converting all the starting 1-chlorobutane to the dichlorinated products. Why
how much of a 50 acid solution should be added to 40 gallons of a 25 acid solution to make a mixture that is 30
In a saturated solution of lead (II) fluoride the concentration of lead was measured to be .0021 M. What is the value of Ksp for PbF2?
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