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Using the values from Appendix C, calculate the value of change H degrees for each of the following reactions
(a) 4 HBr (g) + O2 (g) ? 2 H2O (l) + 2 Br2 (l)
(b) 2 Na(OH) (s) + SO3 (g) ? Na2 SO4 (s) + H2O (g)
(c) CH4 (g) + 4 Cl2 (g) ? CCl4 (l) + 4 HCl (g)
(d) Fe2O3 (s) + 6 HCl (g) ? 2 FeCl3 (s) + 3 H2O (g)
A batch of 5 kg of food product has a moisture content of 150% dry basis. Calculate how much water must be removed from this product to reduce its moisture content to 20% wet basis
If 24 mL of 6.2 M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid?
The resulting equilibrium solution has a pH of 10.56. What is the Ksp of the salt at 22 °C?
2nd derivative (forwards) Gradient-vector, Hessian-vector products Forward-reverse mode Hessian How costly is obtaining Hessian information?
Solar furnaces are designed to focus sunlight (say, with a parabolic mirror ) onto a relatively small area. given that the surface temperature of the sun is about 600K.
What is the limiting reagent? What is the theoretical yield of acetanilide? What is the percent yield if 3.3g of acetanilide is obtained?
When numbers are very small or very large, it is convenient to either express the value in scientific notation and/or by using a prefix with the unit.
Meaning, use and calculation of empirical formulas, In this introduction are given the explanation of how to find out an empirical formula if one has found out the chemical elements of an unknown substance and measured their ratio of masses
After the reaction was comlete, the volume of the dry has produced was 1 liters at 75 degrees celsuis and 721 torr. what was the percent potassium notrate in the original sample?
Arrange the four compounds below in order of increasing volatility.
Anfinsen studied the folding properties of the enzyme ribonuclease using the denaturants 2-mercaptoethanol and urea. How does each of these materials contribute to the unfolding of the protein,
strip of magnesium reacts in 3.0 mL of 5.0 M HCl over a given period of time. Evaluate the mol mg/mol HCl ratio for the reaction.
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