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If you have 340.0 mL of water at 25.00 °C and add 120.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.
The isomerization of methyl isocyanide, CH3NC -> CH3CN, follows first-order kinetics. The half-lives were found to be 161 min at 199 degrees celcius and 12.5 min at 230 degrees celcius. Calculate the activation energy for this reaction.
How do old dispersive infrared (IR) instruments use a grating to separate the infrared source by wavelength before passing through the sample?
A boiler is used to heat steam at a brewery to be used in various applications such as heating water to brew the beer and sanitizing the brewing tanks. 81.0% of the heat produced by the boiler is used to create saturated steam at 18.0 bars (absolu..
Heptane can appear harmless, but when ignited, it explodes violently. What is the first law of thermodynamic?
Choose all of the processes from below which describe changes which are independent of the path by which the change occurs. the elevation increase experienced by a traveller travelling from Grand Isle, LA to Denver, Colorado
Draw a representation of the 3-D structure of the anion, including only the bonding-pair electrons, and any sulfur lone-pair electrons. What is the orientation of the oxygen atoms with respect to each other around the S?S bond?
A careless student, Will Bobble, misread the label on a bottle of 10 M sodium hydroxide and used it (rather than 1 M NaOH) to dissolve his vanillin. Then he stored the solution and left the lab early to catch a ride home. During the next lab perio..
Calculate script e° values for the following cells. Which reactions are spontaneous as written (under standard conditions)? Balance the reactions. Standard reduction potentials are found in the table
The molar heat of vaporization of ethanol is 39.9 kJ/mol and the boiling point of ethanol is 78.3°C. Calculate ?S for the vaporization of 0.50 mol ethanol.
A substance containing 28.84% Nitrogen, 0.0648g Hydrogen, and Oxygen and Carbon, with (total) mass (of the substance) 1.2953, is burned in excess oxygen to produce 2.241 grams of carbon dioxide.
What mass of chromium(III) oxide would be needed in order to obtain 850 grams of chromium metal
Calculate deltaH and deltaS for the transformation pb (s,25 degrees) (arrow) pb(l,400 degrees). What is the standard entropy of pb(l) at 400 degrees?
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