Two or more elements chemically combined, whose properties are completely different from those of the individual elements, are known as a
A. Compound
B. Heterogeneous mixture
C. Homogeneous mixture
D. Solution

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c

Adilute aqueous potassium nitrate solution is

What causes the appearance of lines in a emission spectrum