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What kinds of life-forms would most likely survive in highly polluted world? What would be their general ecological characteristics?
The minerals in seawater can be obtained through evaporation. For every liter of seawater evaporated, 3.7 grams of Mg(OH)2can be obtained.
Question- The relationship between the change in free energy and the emf of an electrochemical cell is given by
Calculate the number of moles of HCl in the solution dispensed and its associated error.
Given the DNA template strand 3'GCATTCAAG5' write the amino acid sequence in the N terminal to the C terminal direction. Use the three letter amino acid abbreviations.
How many grams of potassium chlorate decompose to potassium chloride and 638 mL of O2 at 128c and 752 torr? 2KClO3 --> 2KCl + 3O2
What causes the colors of fireworks. Where do the colors come from? How do we get so many different colors. Give at least onr example of a compound responsible for such characteristic color.
What is the final temperature (in oC) of a 41.6 g sample of iron (specific heat = 0.444 J/(g K)) which evolves (-12.18) J of heat when it cools from 91.4oC
Our simple pH meter that we have used before works on the principles deiscussed on page 829. What cell voltage would you expect from the pH probe if it is place into a beaker containing 50 mL of 1M HCl diluted with 50 mL of distilled water
For a certain reaction ?Gorxn = 27.9 kJ/mol. What is the equilibrium constant at 225oC? Remember to convert kJ to J to have consistent units and the temperature to K.
Point out the position(s) in glucose from isolated glycogen in which you would expect to find significantly c14-labeled carbon atoms. Presume that there are no complicating reactions which rearrange the label in pyruvate before its entry into the ..
Compute the external pressure that must be applied to seawater 1.14 M total ion concentration at 10 C if the maximum concentration permissible in the product water is 176 mg/L. Presume that all the dissolved salts in the product water are sodium c..
Acetylene gas (C2H2) is produced by adding water to Calcium carbide CaC2. How many grams of acetylene are produced by adding water to 5g CaC2?
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