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Using the steam tables as a guide, find the regions on a Mollier diagram or a p-v diagram where the ideal gas equations with constant specific heats are accurate to within ±1.00% for
a. Specific volume v.
b. Enthalpy h.
c. Entropy s.
oxygen gas reacts with powdered aluminum according to the following reaction 4als 3o2 g 2al2o3s. how many liters of
Explain how the calculated formula of the hydrate would be changed if water from the air is absorbed by the hot dry sample as it cools.
If A 34 mL sample of HCl was triated with .58 M NaOH. Three drops of phenolphthalein was added to the HCL solution. Suppose the HCl solution changed color after 72mL of NaOH was added. Evaluate the molarity of the HCl Solution.
a gas is stored in a cylinder at a pressure of 6.0x105 nm22 and at a a temperature of 15 degree c.awhat will be the
Compute the standard entropy change for the formation of 1.0 mole of the subsequent compounds from the elements at 25 "C
The term water of hydration is applied to which to which of the following. A) water molecules required to dissolve a solid B) water molecules associated with ions in solution
A certain first-order reaction (A?products) has a rate constant of 8.10×10-3s-1 at 45°C. How many minutes does it take for the concentration of the reactant,[A], to drop to 6.25% of the original concentration
One mole of a monatomic ideal gas is adiabatically expanded from 2.23 L to 5.78 L. Calculate the q, w, Delta U, delta S, and delta H for this process
1. for the uncatalyzed decomposition of h2o2aq to form h2ol and o2g the activation energy ea and the change in energy?e
a tank of helium gas with a pressure of 280 at 10 is heated to give a pressure of 1500. what is the new temperature in
which of the following alcohols undergoes dehydration at the fastest rate on being heated with H2SO4? a) 1-butanol b)2-methyl-1-butanol c)2-methyl-2-butanol d)3-methyl-1-butanol e)3-methyl-2-butanol?
Calculate the change in entropy of 1.0 L of water at 0 degrees C when it absorbs 470 J of energy from a heater. (b) If the 1.0 L of water is at 99 degrees C, what is the entropy change? (c) Explain any difference in entropy change.
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