Given 2 SO2(g) + O2(g) ----> 2 SO3(g) + 190 kJ
If 12.7 kJ of energy are produced by the above reaction, the mass of SO2(g) used is
a. 4.28 g
b. 8.56 g
c. 12.8 g
d. 17.1 g
SiO2(s) + 4 HF(g) ---> SiF4(s) + 2 H2O(l)
How many litres of HF at STP, are required to produce 31.2 g of SiF4?
Choose one answer. a. 26.9 L
b. 29.4 L
c. 6.71 L
d. 1.68 L
e. 31.2 L
When 1.0 mol nitrogen reacts with 3.0 mol hydrogen to form 2.0 mol of ammonia theenergy released is 92 kJ. How much energy is released if 0.42 mol nitrogen react?
a. 19kJ
b. 39kJ
c. 77kJ
d. 220kJ
If 12.7 kJ of energy are produced by the above reaction, the mass of SO2(g) used is
a. 4.28 g
b. 8.56 g
c. 12.8 g
d. 17.1 g
SiO2(s) + 4 HF(g) ---> SiF4(s) + 2 H2O(l)
How many litres of HF at STP, are required to produce 31.2 g of SiF4?
Choose one answer. a. 26.9 L
b. 29.4 L
c. 6.71 L
d. 1.68 L
e. 31.2 L
When 1.0 mol nitrogen reacts with 3.0 mol hydrogen to form 2.0 mol of ammonia theenergy released is 92 kJ. How much energy is released if 0.42 mol nitrogen react?
a. 19kJ
b. 39kJ
c. 77kJ
d. 220kJ