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The infrared spectrum of cinnamic acid has a strong absorption at about 1630 cm-1 that is not seen in the spectrum of 2,3-dibromo-3-phenylpropanoic acid. What is that absorption due to
Will the reaction shift towards the products or the reactants if Ag+ Ions are added to this equilibrium. CoCl4^2-(aq) + 6H2O(l) Co(H2O)6^2+(aq) + 4Cl-(aq)
How many kilograms of sodium fluoride would be needed to treat an 8.25x10^7 gal reservior?
A solution is made with 100mL of DI water and 8mL of .10 HCL (hydrochloric acid). then 2.50mL of NaOH is added. What is the new pH?
traces of iron and titanium. If the sapphire were found to contain 0.155 g of oxygen, what is the mass of the gemstone?
report the total heat needed and the heat needed for each individual step in the process.
A chemist wants to prepare 0.65 M HCl. Commercial hydrochloric acid is 12.4 M. How many milliliters of the commercial acid does the chemist require to make up 1.48 L of the dilute acid?
How many moles of copper atoms were lost? ii. The Faraday constant. iii. The charge of one electron. iv. The mass of one electron.
how many calories are required to raise the temperature of a 150.g sample of gold from 25 Degrees C to 175 Degrees C
Using condensed formulas, draw the mono-,di-,and triglycerides that would result from the esterification of glycerol with each of the following fatty acids: a) Palmitic acid b) Lauric acid
Rearrange the equation discovered by Balmer to solve for n2 (get n2 by itself): 1/? = R(1/2^2 - 1/n^2) where: ? = is the wavelength of the photon (E=hc/?) R = Rydberg's constant (1.0974x10^7 m^-1) n1 and n2 are integers where n2 > n1.
Determine the energy change associated with these changes in state: a. 138g of steam condenses,b. 261mg of solid mercury melts,c. 8.36g of rubbing alcohol freezes d. 52g of liquid methane boils
How many kilograms of CaH2 are needed to fill a 134 L tank with compressed H2 gas at 154 atm pressure and 22 degrees celsius?
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