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Question- After 47 min 20 % of a compound has decomposed. What is the half life of this reaction assuming first order kinetics?
Please show the entire work. I am thanking you in advance
The heater used to heat 1400 L of air in a hot air balloon is turned off. c) A balloon filled with helium at an amusement park is left in a car on a hot day.
Question- An antifreeze solution of ethylene glycol in water was prepared. Application of the colligative property equation for the freezing point predicted a freezing point of - 3.72°C. What is the predicted value for the boiling point of the sol..
What is the activation energy of a reaction. What are the two ways that the activation energy can be determined for a reaction, i.e. consider graphing what data and using what formula
What is the molarity of an HCl solution if 22.3 mL of the solution is required to react with 0.266g of Na2CO3?
Given the following experimental data, find the rate law and the rate constant for the reaction:
A solution containing both A and B in a 1-cm cell showed an absorbance of 0.726 at 267 nm and 0.544 at 312 nm. What are the concentrations, mg/L, of A and B
In a laboratory, you determine that the density of a certain solid is 5.23\times10^{-6}\;\rm kg/mm^3. Convert this density into kilograms per cubic meters.
Suppose that in an alternate universe, the possible values of ml were the integer values including 0 ranging from -l -1 to l + 1 (instead of simply -l to + l). How many orbitals would exist in each sublevel
The following five beakers, each containing a solution of sodium chloride (, also known as table salt), were found on a lab shelf
Explain the percent concentration of a solution is a ratio of the amounts of dissolved solute and solution, expressed as a percentage. The percent concentration of a solution can be written usually as %concentration=amountofsoluteamountofsolutionÃ..
If the enthalpy of vaporization of CH2Cl2 is 29.0 kJ mole-1 at 25.0 oC and the entropy of vaporization is 92.5 J mole-1 K-1 , calculate a value for the normal boiling temperature of CH2Cl2
a solution made up of 150 g of benzene and 25.1 g of solute has afreezing point of -1.920c. determine the
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