You observe an unknown substance under a microscope. You notice that the molecules are tightly packed together and not moving. Based on this observation, what phase of matter is this substance likely in? Your

a. Solid

b. Liquid

c. Gas

d. Plasma

T(s) in2os] (m) 0 185 2.39 546 1.90 725 1.70 the decomposition of n205 can be described by the equation 2.68 given these data for the reaction at 45°c in carbon tetrachloride solution, calculate the average rate of reaction for each successive time interval. ntr s to 185 s 185 s to 546 s 546 s to 725 s number number number reaction rate: m/s m/s m/s