What coefficients would balance the following equation?
__al + __o2 → __al2o3
a. 2al + 3o2 → 1al2o3
b. 2al + 3o2 → 2al2o3
c. 3al + 3o2 → 2al2o3
d. 4al + 3o2 → 2al2o3

5g of ammonium nitrate was dissolved in 60g of water in an insulated container. the temperature at the start of the reaction was 23.0°c and at the end it was 19.0°c. calculate the energy absorbed by the reaction.

Why are graphs useful when interpreting data

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity