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It was observed that initially A volume of 125 litres of is initially at room temperature of twenty two degree celsisu. A chilled steel rod at the temperature of 2.00 degree Celsius is placed in the H2O. determine the mass of the steel bar If the final temperature of the system reached to 21.0 degree celsius?
would a given amount of flourine react with different masses of the two hydrogen isotopes? Does this violate the law of definite proportions.
What is the smallest possible integer coefficient of S in the combined balanced equation and compute the final pressure in the tank if nothing else is altered in the surroundings.
In clavulanic acid there is a carbon-atom that that has an oxygen-atom, a nitrogen-atom, and a carbon atom attached to it
A certain substance has a heat of vaporization of 39.67 kJ/mol. At what Kelvin temperature will the vapor pressure be 3.50 times higher than it was at 323K
Fructose contains only C,H, and O. 17.1g of carbon dioxide gas and 7.26 g of water vapor were produced when 12.1 g of solid fructose were combusted with excess of oxygen gas.
Consider the combustion reaction: CH4 (g) + 2O2 (g) = CO2 (g) + 2H2O (l) Is this an exothermic reaction? If 100g of natural gas (CH4) is burned, calculate the heat exchange (balance the equation)
Sketch the log C - pH diagram for 10-4 M NaHCO3. Use your ENE/MBE to graph to find the pH
A mixture containing 80.0 nM iodoacetone (designated A) and 64.0 nM p-dichlorobenzene (designated B) gave the relative detector response (peak area of A)/(peak area of B) = 0.71 in a chromatography experiment.
Dissolved in water to produce a 0.0170 M solution. The pH of the resulting solution is 2.33. Calculate the Ka for the acid.
Using a single reagent and only reaction chemistry that was part of this experiemnt, how could you distinguish between the following pair of substances contained in seperate test tubes?
Organic Chemistry Lab: Reduction and Spectroscopy, 1. Sketch the NMR spectrum you would expect to observe for the following compounds:
solution should you use if you want the molarity of the Cl- (aq) ions in the solution to be 0.100 M?
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