Answer:
Explanation:
C2H4 + O2 → CO2 + H2O
eqn is unbalanced - balancing by counting no. of C n H atoms
C=2 n H=4 in one C2H4
so the reaction will form two CO2 + two H2O
counting no. of O atoms: 2*2 + 2*1
=4+2
Cotton ball is soft, used often, and its man mad pine cones came from trees, they give off a scent, but are mostly not used.
Answer: between 6.5 and 8.5
Explanation:
As shown in my science book it appears in the ph scale
Increase of rainfall will accelerate chemical weathering. Especially if the runoff is slightly acidic.
