What type of interference caused a "super crest" to form during Young's experiment? Constructive interference

Doppler interference

Destructive interference

Operational Interference

If 34.2 grams of lithium react with excess water, how many liters of hydrogen gas can be produced at 299 kelvin and 1.21 atmospheres? 2 li (s) + 2 h2o (l) yields 2 lioh (aq) + h2 (g)

+= + + balance the equation on coefficients, ex. 1,1,1

Which element below could be and isotope of this atom