Answer: option E. None because in all the reactions O2 is in excess
Explanation:
First write all of the compounds/atoms in either side then fill in existing values and balance
Na- 1
Br- 1
Ca- 1
Cl- 2
Na- 1
Cl- 1
Ca-1
Br-2
Balance to get
2NaBr+CaCl2=2NaCl+CaBr2
Answer:
heat flows from the object that has more thermal more energy to the object with less thermal energy
A mole of CO2 = 2 moles of O2
8 CO moles x 2 =
16 moles
Because Celcius is a larger amount than Fahrenheit. The units are farther apart.
