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A fuel-air mixture is placed in a cylinder fitted with a piston. The original volume is 0.245-L. When the mixture is ignited, gases are produced and 835 J of energy is released. To what volume will the gases expand against a constant pressure of 635 mmHg, if all the energy released is converted to work to push the piston? Show your work.
Calculate the temperature ranges on the logarithmic scale and draw a conclusion about efficiency on the logarithmic scale.
If a photon has a wavelength of 412.2 nm, what is its energy in J, frequency in s^-1, wavenumber in cm-1, and linear momentum in kg m/s
Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 270.00 pm.
propes a mechanism that shows why P-chlorotoluene reacts with sodium amide in liquid NH3 At -33C to give a 1:1 mixture of P-toluidine and m-toluidine
Approximate the heat of reaction for the following equation using thermodynamic tables: CuO (s) + AgNO3 (aq) Cu(NO3)2 (aq) + Ag2O (s) hint: Write the net ionic equation first.
a sample of gas is confined to a cylinder housed with a movable piston. the gas occupies a volume of 1.8 l at 1.8 atm
A buffer is made up of 355 mL each of 0.200 M NaHCO3 , and 0.134 M Na2CO3 . Assuming that volumes are additive, calculate
The concentration of Mg2+ in seawater is 0.052 M. At what pH will 99% of the Mg2+ be precipitated as the hydroxide salt? (Ksp for Mg(OH)2= 8.9 x 10 -12.)
When metal oxides react with water, the oxygen usually ends up as the hydroxide ion, separate from the metal. In contrast, when nonmetallic oxides react with water, the oxygen ends up as part of the nonmetal species.
What is the partial pressure of each substance if the total pressure of the mixture is 2.35 atm?
45.0g og magnesium carbonate is added to water to prepare a 250.0mlsolution. 15.0ml of this solution has 50.0ml of
How many drogens would an 8-carbon alkane in which 3 of the carbons branched from the main chain contain?
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