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What is hydrogen bonding and how might hydrogen bonding be used to explain the substantial difference in boiling between ethanol CH3CH2OH (grain alcohol) and dimethyl ether (CH3OCH3)?
Why is the Beer - Lambert law in units of absorbance rather than in units percent transmittance
At equilibrium 4.51e-02 mol of H2 is found in the reaction mixture. Calculate the equilibrium pressures of all gases in the reaction vessel and the value of KP for the reaction. Pick the correct statement from the multiple choices. Use the value R..
Prepare a standard curve of absorbance versus known cobalt nitrate concentrations and determine the concentration of cobalt (H) ion obtained from a soil sample.
Pot of water on a wood stove is heated to a rapid boil. What is the name of the gas inside the bubbles that form in the boiling water?
Complete and balance the following if a reaction occurs. Write your answer as net ionic equation and include physical states of all compounds (including for water).
Question- Draw the substitution products for the following reaction, assuming that the reaction is carried out under SN2 conditions. If the products can exist as stereoisomers, show what stereoisomers are formed-
What is the purpose of grinding the magnesium before introducing it into the reaction flask?
A certain solid metallic element has a density 7.87 g/cm3 and a molar mass of 55.85 g/mol. It crystallizes with a cubic unit cell, with an edge length of 286.7 pm. calculate the number of atoms per unit cell.
how much water would they have consumed? How many kJ would be required to bring it to body temperature? (We noted in class that the amount of heat necessary to melt snow is 6.01 kJ/mol)
kmno4 h2so4 naso3 --gt?sodium sulfite and acidified potassium permanganate produces a brown partly dissolved solid
What is the purpose of the gas trap in the reaction set-up? (Hint: What gas(es) are present?What are their safety issues?)
The metals in group 3A, 4A and 5A are not transition metals, however all but 1 has variable charges. What element in Group 3A, period 3 has a fixed charge, and what is that charge
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