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The reaction below has the rate equation: rate=k min-1[C5H10Br2]. Given an initial concentration of C5H10Br2= .400 M and t1/2=2.25 hr, calculate the concentration of HBr produced after 35 min.
C5H10Br2 YIELDS C5H8 +2HBr
what is the purpose of anhydrous CaCl2? why is it important yhat none of the solid CaCl2 be included in the final distillation of 1- bromobutne.
Lactic acid, C3H6O3, is a monoprotic acid that is available in solid form. Determine the concentration of an unknown solution of sodium hydroxide
A gaseous mixture of and has a density of 1.104 at 445 and 300 . What is the mole percent in the mixture?
What is the pH of an 85 mL solution containing .215 M NaHCO3 and .203 M Na2CO3?
What is the percent ionization of HA in 0.11 mol/L HA(aq) if HA is a weak acid with pKa=6.00. Enter your answer accurate to three significant figures
What's the purpose of acetic acid and sodium acetate in the lab bromination and debromination of cholesterol?
A specific steroid has ?max = 213 nm and molar absorptivity ? = 11,500. What is the concentration of the compound in a solution whose absorbance at 213 nm is A = 0.060 with a sample pathlength of 1.00 cm?
it says that isothiocyanatech3ncss carbon atom actively responses to material that has nonbonding electronsuch as oh-.
Light with a frequency of 7.11 x 10 -14 Hz lies in the violet region of the visible spectrum. What is the wavelength of this frequency of light? Answer in units of nm.
A 1-in. thick steel plate measuring 10 in. in diameter is heated from below by a hot plate, its upper surface exposed to air at 80oF. The heat-transfer coefficient on the upper surface is 5 Btu/h ftoF and k for steel is 25 Btu/h ftoF.
a line in the emission spectrum of an atom occurs at a wavelength of 560 nm. what is the energy difference between the
The standard enthalpy of atomization of an element is the energyrequired to convert 1 mole of an element in its most stable form at25 centigrade to 1 mole of monatomic gas. Given that the standardenthalpy of atomization for sodium is 108.4 kJ mol-..
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