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What is the activation energy for the reaction shown below k=1.89x10^-8 /s at 540 K and 2.45 x 10^-7 at 601 K
a perfect gas undergoes isothermal compression which reduces its volume by 2.20 L. the final pressure and volume of the gas are 3.78x10^3 torr and 4.65 L, respectively
What is the kinetic energy of the emitted electrons when cesium is exposed to UV rays of frequency 1.4x10^15Hz
What volume (mL) of 0.663M potassium hydroxide aqueous solution is needed to neutralize [?this means to completely react with] 842 mL of 0.554M nitric acid?
The amino acid alanine is shown below in several different Fischer projections. Sort the structures according to whether the Fischer projection represents alanine with the R configuration or alanine with the S configuration.
What is the gas pressure (in atm) inside a 1.69-L bulb that contains 0.9-g of Ne at a temperature of 34.1 C? Be sure to report the units as atm.
if .025 grams of Pb(NO3)2 is dissolved in 100. grams of H2O, what is the concentration of the resulting solution in parts per million?
A sample of gas with an initial volume of 32.5 L at a pressure of 760 mmHg and a temperature of 315 K is compressed to a volume of 16.3 L and warmed to a temperature of 435 K
Which of the following alkenes can exhibit cis-trans isomerism?
A 20.0 ml sample of 0.200 M Hbr solution is titrated with 0.200M of NaOH solution. Calculate the pH after 16 ml of NaOH has been added.
how many grams of sulfur are needed to react completely with 246 g of mercury to form HgS
the total volume of hydrogen needed to fill the Hindenberg was 2.0x10^8 L at 1.00 atm and 25 C. How many kilojoules of energy were evolved when it burned?
a 20 year old male was brought to paramedics after ingesting 100mL of pure ethylene glycol which is a lethal dose. The hospital pharmacy is out of ehtanol so they use a bottle of 100-proof whiskey in your medical bag.
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