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Is it possible for a fluorescent material to emit radiation in the ultraviolet region after absorbing visible light?
Consider the following data showing the initial rate of a reaction at several different concentrations of A
During this reaction, P4 + 5O2 → P4O10, 0.800 moles of product was made in 15.0 seconds. What is the rate of reaction
The solid and toluene together weigh 51.05 g. The density of toluene at the temperature of the experiment is 0.864 g/mL. What is the density of the solid
When 0.2250 g Mg was heated with 0.5331 g N2 gas, all the Mg was consumed forming 0.3114 g Mg3N2.What mass of N2 is left over ?
write the word formula and chemical equations for the reaction between hydrogen sulfide gas and oxygen gas that
You have a 10.40 g mixture of table sugar (C12H22O11) and table salt (NaCl). When this mixture is dissolved in 150. g of water, the freezing point is found to be -2.24°C. Calculate the percent by mass of sugar in the mixture.
If a temperature increase from 11.0degree C to 20.0degrees C doubles the rate constant for a reaction, what is the value of the activation barrier for the reaction
Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
A gas occupies 10.0 L at 44.1 psi and 27 degrees C. What volume will it occupy at standard conditions
After adding 0.25 mL of 0.50 M NaOH, the pH of the same solution changed to 8.05. Calculate the buffer capacity (? mmol OH-/? pH) of this solution to two decimal places.
You have 1005.3 g of a bleach solution. The percent by mass of the solute sodium hypochlorite, NaOCl, is 3.62%. How many grams of solvent are in the solution?
What is the molar absorptivity of the unknown compound. What is the concentration of the compound in a solution, if the absorbance of the solution in a 1.00 cm cell at 520 nm is 0.320
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