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which of the following compounds test positive in the chromic acid test acetone, formaldehyde, propanal, 3-pentanone, acetophenone, and benzaldehyde
Determine the amount of heat required to raise the temperature of a 153 g bar of gold by 50.0C. (specific heat of gold = 0.128 J/g.C)
Desribing molecular forces of C5H6O, CH2=CH-CH=CH-CH=O, THREE double bonds. We are asked to describe the bond and angle terms of this structure.
What are the three major steps involved in extraction of a metal after its ore is mined?
A piece of metal with a mass of 146 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?
Calculate the percent yield of if the reaction produces 169g of C2H5Cl .
sodium azide, a compound containing only sodium (Na) and Nitrogen (N), is used as a propellant for inflating airbags in some automobiles. A sample of sodium azide was weighed into a crucible.
What mass of natural gas {rm{(CH}}_4 ) must you burn to emit 268 kJ of heat?
A concentrated sulfuric acid solution is 74.0% H2SO4 by mass and has a density of 1.66 g/mL at 20°C. (MW of H2SO4 is 98.0 g/mol.) The molality of the H2SO4 solution is ?
What is the reaction order with respect to chloroform? What is the reaction order with respect to chlorine.
Distance between two consecutive peaks or troughs. Frequency () Number of waves per second that pass through a given point in space. How are frequency and wavelength related? Example: Are gamma rays ( = 10-12 m) a form of high or low frequency rad..
If 2 x 10-4 moles of S2O8 ^2- in 50 mL of solution is consumed in 188 seconds, what is the rate of consumption of S2O8^2-?
At 80 °C the vapor pressures of pure liquids X, Y, and Z are 385, 190, and 66 mm Hg, respectively. What pressure must be exerted on the surface of a solution
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