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Identify the rate law of the following reaction if it is first-order in X and second-order in Y: 2X + 3Y → products
How would the observed molar mass of the unknown lioquid have been affected by the following circumstances (would it be higher, lower than the true value, or remain unchanged.
a gold bar weighing 33.5g and having an initial temperature of 25.0 degrees celsius absorbs 5000 joules of heat. what
0.0850 M in pyridine, C5H5N, and 0.0560 M in pyridinium chloride, C5H5NHCl The Kb for pyradine is 1.7x10-9
How many grams of Na3PO4 will be needed to produce 425mL of a solution that has a concentration of Na+ ions of 1.10M ?
The solubility of I2 (s) in .100 M KI solution at 25 degrees celcius is .05135 moles per liter. The .1 M NaN03 provides the same ionic environment as .1 M KI. From this information calculate the concentration of I3-, I-, I2 in the latter solution ..
Element X has two isotopes: X-100 and X-104. If the atomic mass of X is 101 amu, explain what is the relative abundance of each isotope in nature
1. Perchloric acid is either a Brønsted-Lowry acid or a Brønsted-Lowry base. If it is an acid, what is it's conjugate base? On the other hand, if it is a base what is it's conjugate acid?
Calculate the molar mass of a gas that has a density of 0.232 g/L at 156 oC and 222 torr. Use R = 0.0821 L-atm/mol-K for the value of the gas constant.
If a solution of NaCI is added to the 0.018M AgN03 solution, will the cell voltage
What is the pH of the solution when the titration is half way to the end point?
Problem- A solution is prepared by mixing 500mL of 0.10M NaOCl and 500mL of 0.20M HOCl. What is the pH of the solution. [Ka(HOCl) = 3.2E-8]
calculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. what type
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