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1. In nothern crete, mixed deposits of volcanic ash, building debris, cultural material, and marine fossils near the beach are compared to those found in coastal regions after what modern disaster?
2. What does a beach deposit of mixed ash, building debris, marine fossils, and pottery near palekastro prove?
3. What is the most scientific evidence of an eruption 3500 years ago on santorini?
What is the molar solubility of CuC2O4 in a 0.10 M Na2C2O4 solution - What is the final pH of the solution.
Approximate the heat of reaction for the following equation using thermodynamic tables: CuO (s) + AgNO3 (aq) ? Cu(NO3)2 (aq) + Ag2O (s) hint: Write the net ionic equation first.
Identify one conjugate acid base pair in the reaction of HBA with H2O to produce BA? and H3O+.
A 50.0-mL sample of 0.50 M HCl is titrated with 0.50 M NaOH. What is the pH of the solution after 28.0 mL of NaOH have been added to the acid?
could 131 g of xe gas in a vessel of 1.00 dm3 exert a pressure of 20.0 atm at 25 c if it behaved as a perfect gas? if
What is the mass percent of Ca in the alloy. The unbalanced equations are given below. (Hint: Let x = mass of Ca in the alloy in grams
In the commercial manufacture of nitric acid, how many liters of nitrogen dioxide will produce 30 liters of nitric oxide given that both gases are at STP? 3NO2 + H2O-> 2HNO3 +NO
How many grams of CO will dissolve in 1.00L of water at a CO partial pressure of 2.75 atm?
The reaction will be spontaneous at high temperatures because increasing the temperature of a system with a negative change in S eventually results in a positive change in G.
1-Bromo-butane with NaOCH3; wouldnt that be an Sn2 reaction? Since its a good nuc/base and it's a primary halide and it's non bulky.
Calculate the concentrations of all species in a 1.66 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8.
In this experiment, you will be observing the chemical reaction that takes place when steel wool is exposed to oxygen and other corrosive agents.
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