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Experiments have shown that the average frequency of chirping by a snowy tree cricket depends on temperature as shown below.Chirping Rate Temperature
178 25.0
126 20.3
100 17.3
Calculate the rate of chirping expected at temperature of 3.0 C
The nuclide 18f decays by both electron capture and beta plus decay. Find the difference in the energy released by these two processes. The atomic masses are 18F = 18.000950 and 18O= 17.9991598.
What volume in mL of concentrated nitric acid (72.0% HNO3 (w/w), sp. gr. 1.42) is required to prepare exactly 2.00 L of 0.200 M HNO3?
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 21.2cm higher than the level in the arm open
A mixture of gases contains 5.31 g of He, 2.91 g of SO2, and 5.62 g of Ne. If the total pressure of the mixture is 3.81 atm, what is the partial pressure of each component
What is the molar solubility of silver bromide in a solution that also contains 0.050M Ag+ ions at 25 °C? The Ksp of AgBr is 5.4 × 10-13.
The following compounds, listed with their boiling points, are liquid at -10 degrees celsius: butane, -0.5 degrees celsius: ethanol, 78.3 degrees celsius: toluene, 110.6 degrees celsius.
For the cell as written, what is the voltage after the addition of the following volume of NaI solution? The reduction potential for the saturated calomel electrode is E = 0.241 V. The standard reduction potential for the reaction
what is the volume of the capillary tube and its associated error? What measurement must be made to a higher precision to decrease the error in the volume?
For a formaldehyde and bisulfite reaction, discuss in detail the effect of changing the concentration on reaction rate with respect to each reactant
Briefly sketch the major components of the FTIR, showing the pathway of the IR radiation among the components.
An alkyne of six carbon atoms gives the same single product in its reaction either with BH3 in THF followed by H2O2 /OH-, or with H2O/Hg2
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