Cyclobutane decomposes to ethylene according to the equation c4h8(g) ⟶ 2c2h4(g) determine the order of the reaction and the rate constant based on the following pressures, which were recorded when the reaction was carried out at 430°c in a constant-volume vessel. time (s) pc4h8 (mmhg) 0 400 2,000 316 4,000 248 6,000 196 8,000 155 10,000 122

What are the three major branches of natural science? • earth and space science, life science, physical science •earth and space science, physical science, chemistry •physical science, life science, chemistry •life science, chemistry, physics

How do you identify the anode on a power source such as a battery? how do you identify the cathode? how are terms anion and cation?

Lab reagent, hypothesis test. a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl. these six measurements are assumed to be an srs of all possible measurements from solution. they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution. carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.