A reaction vessel contains 0.0200 M N2, 0.0600 M H2, and 0.0100 M NH3. With the aid of calculations, predict whether ammonia, NH3, will be formed or dissociate when the mixture goes to equilibrium at 400°C. Kc for the reaction is 0.500 at 400°C. Reaction: N2 (g) + 3H2 (g) 2NH3 (9) (5)

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?

Can someone me with 6 to 10 plz this is for masteries test.