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Does the ideal projection angle for a golf drive change depending on whether there is a wind blowing from the fairway toward the tee or down the fairway in the direction of the drive? Explain. How would
(a) an updraft and
(b) a downdraft affect a skydiver in reaching terminal velocity?
Calculate the pH of the resulting solution at each of the specified points in the titration. Initially: pH of HCl
1. Why does milk go sour and what causes the formation of curd? 2. Explain why during the experiment casein precipitates wheen hydrochloric acid is added to it.
Problem- In the determination of the density of a rectangular metal bar, a student made the following measurements: length 8.53 cm, width, 2.4cm, height, 1.0cm, mass 52.7064g. Calculate the density of the metal to the correct number of significant..
If you have 100 ml of pure water and add to it 10 ml of 2.0M HNO3, what will be the pH of the final solution
the activation energy for the decompostion of HI to H2 and I2 is 186 kJ/mol. The rate constant at 555 K is 3.2 x 10^-7 L/mol*s.
The enthalpy of combustion of benzoic acid (C6H5COOH) which is often used as the standard for calibratie constant-volume bomb calorimeter; its value has been accurately determined to be 3226.7 kJ/mol.
oleum or fuming sulfuric acid available commercially in concentraytions ranging from 20-99 sulfur trioxide. a. what is
Use the balanced equation to answer the question. How many moles of O2 are needed to react completely with 1.8 moles of C2H6?
Producing ethanol as a biofuel from sugars in corn (glucose) has become a major industry in the grain belt. This process can be summarized as follows, where glucose to form ethanol and carbon dioxide. Use bond energies to estimate Delta E for this..
how many moles of sodium hypobromite should be added to 1.00 of 5.0times10-2 hypobromous acid to form a buffer solution
Calculate the pH for the following case in the titration of 50.0 mL of 0.140 M HClO(aq) with 0.140 M KOH(aq).HClO is a weak acid with a Ka
The salt MX has a molar solubility of 1.20 x 10-4 mol/L. It dissolves according to the equation: MX M+ + X-. What is the Ksp for this salt
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