20 POINTS AWNSER ASAP
Which choice best compares these two observations?
A Observation...
20 POINTS AWNSER ASAP
Which choice best compares these two observations?
A Observation 1 describes a physical change, and Observation 2 describes a chemical change.
Ð’ Observation 1 describes a chemical change, and Observation 2 describes a physical change.
C Each observation describes a physical change.
D Each observation describes a chemical change.
Answers: 3
Chemistry, 22.06.2019 03:40
Kc = 0.040 for the system below at 450oc. if a reaction is initiated with 0.40 mole of cl2 and 0.40 mole of pcl3 in a 2.0 liter container, what is the equilibrium concentration of cl2 in the same system? pcl5(g) ⇄ pcl3(g) + cl2(g)
Answers: 3
Chemistry, 22.06.2019 16:00
Which process transfers heat from inside earth to its surface? convection currents in mantle pulling away of tectonic plates drawing in of tectonic plates convection currents in crust
Answers: 1
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Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
Answers: 1
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