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Consider the second-order reaction A--->B. The concentration of A decreases from 0.95 M to 0.44 M in 11 min. What will be the concentration of A after 21 minutes have elapsed?
Determine if a precipitate forms when the following solutions are mixed. Write the overall equation, the total ionic equation, and the net ionic equation. PbNO3(aq) + 2KI (aq)
Examine the Lewis structure of methylene blue and explain why it is a cation instead of a neutral species. Where would the extra electron otherwise reside
Assuming that the pressure in the alveoli is 1.0 atm and the temperature is 37 degrees C, calculate the number of moles of air in in one of the alveoli.
Drinking water in the USA cannot exceed 0.5 ppm mercury. What mass of mercury is present in 1.3 L of water at this concentration. What is the molar concentration of mercury
What is the direct effects of bromination of vanillin. Debating between 5-bromovanillin and 6-bromovanillin. One would expect 5-bromovanillin in the meta position based on stability of all substituents
Calculating Volume, Pressure & Density, Calculate the density, in g/L, of SO2 at 75°C and 1.33 bar. (Round your answer to two decimal places)
If the surface area of a human body is 16,100 square centimeters, what is the total weight of the atmosphere on a human body
Can anyone help post a separation scheme for eugenol from cloves using steam distillation first and then extraction
The compound MgI2 times XH2O is analyzed to determine the value of X. A 1.557-g sample of the compound is heated to remove all the water, 1.0254 g of MgI2 remains
A solution of 0.0041 M of an unknown acid has a pH of 3.195. Calculate the Ka value for the unknown acid, HA.
first determine the number of moles of rm na using the given molarity and volume. next use the chemical formula to
How many of each type of atom are there in a cubic crystal with an edge length of 4nm?
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