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What is radioactivity and state there economical importance in a country
Problem- Illustrates the mechanism for acid catalyzed dehydration of 1-methylcyclohexanol. Be sure to use curved arrows to illustrate the electron flow for complete credit
A particulate water sample that is saturated in CaF2 has a Ca2+ content of 105 ppm (that is, 105 g Ca2+ per 10^6 g of water sample).
Consider a hypothetical reaction in which A and B are reactants and C and D are products. if 15grams of A completely reacts with 12grams of B to produce 14grams of C, how many grams of D will be produced.
Gold(III)oxide, Au2O3, undergoes a thermal decomposition reaction to form gold metal and oxygen gas. Write a balanced molecular equation that describes this reaction.
Problem- If 0.0280 mol of CaCl2 is dissolved in water to make a 0.710 M solution, what is the volume of the solution?
If the cell potential, Ecell, for the cell Al | Al3+ (1M) | Ni2+ ( ?M) | Ni is 1.35 V, what is [Ni2+]? Use the Nernst equation: Ecell = E0cell - (0.0592/n) log Q where the temp is 25 degress C, n is the number of electrons transferred in the net i..
The bond length of RbBr is 343 pm. What would be the dipole moment, in D, of this compound by assuming a completely ionic bond
Methane, ammonia, as well as water all has tetrahedral electron domain geometry. Find out the bond angles for methane, ammonia, and water. Explain why are the bond angles different even though the electron domain geometry is the same for each
The ionization constant Ka of benzoic acid is 6.3x10^-5. calculate th equilibrium concentrations of H+, benzote anion and benzoic acid. The initial concentration of benzoic acid is .10 M.
Important information about Liquid Crystals, Are there differences between the cholesteryl benzoates and the cholesteryl esters having long carbon chains?
A Flask contains 0.320 mol of liquid bromine,Br_2. Determine the number of bromine molecules present in the flask.
An experiment shows that a 248mL gas sample has a mass of 0.433g at a pressure of 745 mmHg and a temperature of 28 degrees C. What is the molar mass of the gas
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