CO+ H2 + O2 -> CO2+ H2O;
delta H = -525 kj
what is the change in enthalpy for the re...
Answers: 3
Chemistry, 20.06.2019 18:04
4moles of nitrogen gas are confined to a 6.0 l vessel at 177 Β°c and 12.0 atm. if the vessel is allowed to expand isothermally to 36.0 l, what would be the final pressure?
Answers: 3
Chemistry, 22.06.2019 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 13:50
Abeaker with 2.00Γ102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.
Answers: 1
Chemistry, 22.06.2019 15:30
Which of the following are correct values for the ideal gas laws constant r
Answers: 1
English, 23.12.2019 19:31
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