Which two chemical equations are balanced? A. 2Na+ MgCl2 → 2NaCl + Mg.
B. 2LIOH + 2H2S Li2S + 2H20
I c. 2AgNO3 + NaCl-NaNO3 + 2AGCI
D. 2PBr3 + 3Cl2 - 2PCl3 + 3Br2

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

The built in flash in a compact camera is usally capable of giving correct exsposure for distance up to how many meters?