Me with my quiz?
1.) which coefficients balance this equation?
_h2 + _n2 -> _nh3
a. 1, 2, 3
b. 2, 3, 2
c. 3, 1, 2
d. 4, 1, 3
2.) which chemical equation is balanced?
a. k2o + h2o -> koh
b. k2o + h2o -> 2koh
c. k2o + 2h2o -> 2koh
d. 2k2o + 2h2o -> 2koh
3.) which chemical equation is balanced?
a. co2 + 4h2 -> ch4 + 2h2o
b. 4co2 + h2 -> ch4 + 2h2o
c. co2 + 4h2 -> 2ch4 + 2h2o
d. 2co2 + 2h2 -> 2ch4 + 2h2o
4.) which coefficients balance this equation?
_ch4 + _o2 -> _co2 + _h2o
a. 1, 1, 1, 1
b. 1, 1, 2, 1
c. 1, 2, 1, 2
d. 2, 1, 2, 1
5.) which coefficients balance this equation?
_al + _o2 -> _al2o3
a. 2, 3, 1
b. 3, 2, 2
c. 4, 2, 2
d. 4, 3, 2