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In a Diesel engine, atmospheric air is quickly compressed to about 1/20 of its original volume. Estimate the temperature of the air after compression, and explain why a Diesel engine does not require spark plugs.
For a solution containing 0.0060 M calcium nitrate and 0.057 M nitric acid, calculate the activity of the calcium ion.
Provide a detailed, stepwise mechanism for the base- mediated transesterification of methyl benzoate with sodium ethoxide
What information was revealed by this test? Which halide ion was present in the unknown solution? If an additional test is necessary to confirm or complete you identification, state which test you would use, an what information it would provide.
A small amount of solid AgBr was added to a 0.0100 M solution of NaBr, causing it to become saturated with AgBr. A silver electrode was placed in the solution along with a reference electrode, whose electrode potential was 0.246 V
The Ksp for AgBr is 4.1 X 10-13. Will a precipitate form if 25 ml of 3.45 X 10-8 M AgNO3 solution is mixed with 25 ml of 4.65 X 10-5 M NaBr solution
Choose the answer in which the two atoms are listed in order of increasing ionization energy
What is the molarity of a solution obtained when a mass of 23.6 g of calcium chloride is diluted to a volume of 250 mL in a volumetric flask? The molarity is ___x10^___ M.
A gas cylinder that contains argon has an internal volume of 6.88 L. A pressure gauge attached to the cylinder reads 1870 psi (1 atm = 14.7psi) at 20.0C.
suppose a reversible heat pump transfers heat from the outdoors at 0 degrees c to a room at 20 degrees celsius. for
Question- Using Statistical Thermodynamic equations, calculate the following thermodynamic properties: Energy, Enthalpy, Gibbs Free-Energy, and Entropy for HI at standard pressure (1 atm) and 25 degrees C. De=228kJ/mol
Draw its lewis structure, with the lone pair electrons, with the formal charges minimized? NO4 3-
How do standard additions and calibration curves differ in quntification? What are the advantages and disadvantages of each?
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