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Describe the procedure for the determination of the pH of a solution given the hydroxide anion concentration, [OH-]. Kw = 1.0 x 10-14
The heat lost by the boiling water is equal to the heat gained by the room-temperature water. How much heat was transferred in this process
Use the Henderson-Hasselbalch equation to calculate the pH of a buffer that is 0.158 M HClO and 0.099 M NaClO. The Kb for HClO is 3.45 x 10^-7.
A sample of natural gas at STP is 78.0 % CH4 and 22.0% C2H6 by volume. How much heat is produced from combustion of 1.60 L of this mixture. Assume ideal gas behavior and assume that the products of the combustion are CO2 (g) and H2O (l).
Explain the large disparity in the numerical results pf Part (a). Discuss the advantages and disadvantages of the three energy sources.
State the chemical equation for the acid base reaction between sodium hydroxide and ethylenediamine dihydrochloride
sample of KHP requires 19.27mL of NaOH to reach the end point. What is the concentration of NaOH?
4-5: Freezing Point Depression If you dissolve a substance such as ordinary table salt (NaCl) in water, the freezing point of the water will decrease relative to the freezing point of the pure water. This property is used to melt the snow or ice on r..
Think about where aluminum comes from, how we obtain/purify it and its chemical and physical properties (metal vs. plastic, weight, corrosive vs. non-corrosive). What are some factors that were probably considered before deciding to use aluminum to m..
Calculate the amount of copper sulfate in solution formed by the reaction of.500g of elemental copper with excess silver sulfate.
determined its current level of YAN to be 120 ppm N. If each gram of DAP adds 0.21 gram of N to the must, how much DAP is needed?
an excited state of the li atom has electrons occupying two spatial orbitals 1s and 2px. what are all the possible
Write balance equations for all the reactions that take place during neutralization when creating octyl acetate from acetic acid and n-octyl alcohol
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