Discover Questions

A reaction produced 52.1 g of kcl how much o2 was produced in grams? Why is always a problem in recent years, aircraft, whether artificially or incidents? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)? Naphthalene sublimation rate=3*10^-5/min. Volume of room=60m^3. How would I calculate the naphthalene concentration in the air of the room? What the number degre of high acid?