In which of the following compounds is the oxidation number of nitrogen different from the other three
a: no3
b: n205
c: nh4cl
d: ca(n03)2

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?

The amount of potential energy possessed by an elevated object is equal to what?

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little