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Data taken over time reveal an increase in CO2 in the atmosphere. The large increase in the combustion of hydrocarbons since the Industrial Revolution is often cited as a reason for the increasing levels of CO2. However, an increase in water vapor has not been observed during the same period. Remembering the general equation for the combustion of a hydrocarbon, does the difference in these two trends disprove any connection between human activities and global warming? Explain your reasoning.
Suppose you carry out a TLC separation of acetaminophen and phenacetin on silica gel using a nonpolar solvent. Which should have the higher R1 value. why
To find the of X-281, you prepare a 0.086 test solution of X-281. The pH of the solution is determined to be 2.70. What is the of X-281
Cavendish prepared hydrogen in 1766 by rather quaint method of passing steam through a red hot gun barrel. H2O + Fe ---> Fe2O3 + H2 (unbalanced) What volume of H2 at a pressure of 820 torr and a temperature of 23C can be prepared by a reaction of ..
A 127 g piece of metal is heated to 288 °C and dropped into 83.5 g of water at 26.0 °C. If the final temperature of the water and metal is 58.5 °C, what is the specific heat of the metal (J/g°C)?
What is delta G for this reaction at 298 K when the partial pressures are PC2H6 0.15 atm, PH2 0.15 atm, and PCH4 0.75, What is the delta G in kJ/mol?
Explain when doing a recrystallization using a Buchner funnel, what happens to the impurities that are more soluble than your compound in the solvent used
The three isomers 0-,m-, and p-xylenes are are very difficult to distinguish via proton NMR. However they are instantaneously distinguishable via carbon NMR how
halothane c2hf3brcl is a commonly used gaseous anesthesia. one suggested dosage is 3.0 halothane by volume. what is the
Write the balanced formula unit equation for the reaction of dinitrogen pentoxide, N2O5, with water to form an acid. What is the sum of the coefficients in the balanced equation?
What is the H+ concentration of an aqueous solution with a pOH= 4.38 at 25 degrees celcius.
Explain which of these compounds are soluble in water. For any that are, provide the ions that are released into solution
A beaker with 160 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.30 mL of a 0.420 M HCl solution to the beaker. How much will the pH..
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