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The density of milk is 1.05g/ml. What is the mass in kg of half gallon of milk? 1 gal=3.785l
Using Thermodynamic data from your notes, calculate the change in Gibbs free energy for each of the following reactions using Gf's. In each case indicate whether the reaction is spontaneous under standard conditions.
Calculate the molarity of the 25.0 mL sample of 0.100 acetic acid which was diluted with 25.00 mL H2O
The following processes is a likely change in a redox reaction. Label the chemical change as an oxidation process, a reduction process, or neither
Write down and explain the feature(s) in the Schrödinger equation that lead to the "electron correlation problem". Next, explain the approximation(s) that lead to the introduction of effective nuclear charge (Zeffective). Be sure to define effecti..
What is meant by the heat capacity of a substance? And, how may the heat capacity of a substance be measured?
What are your actual experimental ratios? Give possible reasons for any observed variations from these ratios.
BIOL-491 Research Project What information induced the authors to perform the experiments and what new methods or insights brought to bear on the problem?
Calculate the altitude at which only 10% of the mass of the atmosphre is above and 90% of the mass of the atmosphere is below.
calculate and compare the gravitational and electrical forces between an electron and a proton separated by 1.4 x 10-10 m. The mass of the proton is 1.6726 x 10 -27 kg and that of the electron is 9.1094 x 10-31 kg. The charge of the proton and ele..
This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed to generate 143L of H2 gas if the pressure of H2 is 823torr at 21de..
A sample of hydgrogen gas, H2, has a volume of 8.56L at a temperature 0C and a pressure of 1.5 atm. Assuming the gas behaves ideally: how many moles of H2 are present in this gas sample
if it takes 1.0 g of solid NaOH to change the pH of the solution containing a strong acid from 1.00 to 2.00, how much solid NaOH would be needed to change the Ph of this solution from 2.00 to 3.00? Assume that there is no change in the volume of t..
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