Which equation obeys the law of conservation of mass?
a.
2c4h10 + 2cl2 + 12o2 7co2 + ccl4 + 10h2o
b.
c4h10+ cl2 + 2o2 7co2 + ccl4 + 8h2o
c.
2c4h10+ 2cl2 + 12o2 4co2 + ccl4 + h2o
d.
2c4h10+ 2cl2 + 6o2 co2 + ccl4 + 6h2o
e.
4c4h10+ 4cl2 + 14o2 14co2 + ccl4 + 20h2o

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)

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.