The rate constant at 325°C for the decomposition reaction C4H8 ⟶ 2 C2H4 is 6.1×10−8
s^−1, and the activation energy is 261 kJ per mole of C4H8. Determine the frequency factor for the reaction.

what test is used to identify the presence of hydrogen gas Using practical illustrations in politics, religion, medicine and/or law, explain why a value judgment, unlike a factual statement, will have no objective truth. What are the implications for the degree of certainty a critical thinker should accord such judgments? jumping is an example of a(n) fine motor skill, whereas working a jigsaw puzzle requires gross motor skills. group of answer choices true false how much did average consumers spend on valentines day in 2020? what is food protection course ? Production Possibilities for TheShoe HutAt which point are you producing all running shoeinserts and no hiking boot inserts?AWhich production point would be a goal for the futurebut cannot be attained now?BXQuantity of Running ShoeInserts ProducedD4E2F01234 5Quantity of Hiking BootInserts Produced Part B Why does Kennedy include the allusion or allusions from Part A in his speech? A. to illustrate that individuals on their own have changed the world B. to present qualities Americans and South Africans share C. to show that war is a painful reality that cannot be changed D. to explain why all countries should unite in a common cause which type of sight is most accurate and gives the best view of the target? A. Telescopic sight B.Thermal optic C. Open sights which construction classification require that all structural members are composed of non combustible or limited combustible materials with high fire-resistive ratingA) Type 1B) Type 2C) Type 3D) Type 4E) Type 5 river city has a defined contribution pension plan. how should river report the pension plan in its financial statements? one of the attributes of classicism is a longing for strangeness, ecstasy, and wonder. true or false? holding all else equal, if the price of a digital camera rises, then we can expect what is multiple of 2 Read the passage. Compared to nursing in the 1950s, the process of becoming a nurse is very different today. Some argue that it was easier in the 1950s because, unlike today, a university degree was not necessary. However, nursing students still had to complete what was known as "training. The program was rigorous; students had to live in dorms at the hospital and were only allowed to see their families one weekend a month. They had to wear crisp, white uniformsdressesnothing like the scrubs of todays nurses. They would be sent to change if their uniforms were not spotless. Perhaps the most oppressive rule was that any nursing student who married while still in training was immediately dismissed from the program. Today, of course, nursing students now include men, and are no different from other university students; they are free to live and dress as they choose. Why does the speaker use compare/contrast in this passage? A. to emphasize that nurses are better educated now than they used to be B. to emphasize that nursing students enjoyed fewer freedoms in the past C. to emphasize that uniform standards for nurses are less strict than before D. to emphasize that nurses should not be fired simply for getting married How many formula units are in 12.5 g NH4Cl? (NH4CI, 53.5 g/mol) [?] [?]10 fun NH4CI Coefficient (green) Exponent (yellow) Enter louis guzman invested $10,000 into his company. this transaction would be recorded by the company with which of the following entries? All over the planet, ancient tombs and temples lie hidden from view. So how do archaeologists know where to begin digging? Thanks to satellites, that question is becoming easier to answer. In the pioneering field of satellite archaeology, satellites four hundred miles above Earth can identify structures buried under soil, covered by modern construction, or obscured by forests. For example, mud bricks used by ancient Egyptians are more dense than soil, and the differences are detected by the satellites. Advanced computer programs map buried settlements and distinguish them from water, vegetation, and farmland. Sarah Parcak, a pioneer in the field, says of the technology, "It allows you to literally strip away vegetation and see entire cities beneath the rain forest canopy. This is the unbelievable future of archaeology." xylem tissue forms an x-shaped structure in the ______________ of ____________ plants. non-motorized vehicles are allowed on expressways.truefalse Describe the type and degree of association in the scatter plot and what it means in terms of the time the player spent practicing and the number of points he scored in the game. As the time a basketball player practices increases, the number of points scored in a game decreases with a weak linear association. As the time a basketball player practices increases, the number of points scored in a game decreases with a weak nonlinear association. As the time a basketball player practices increases, the number of points scored in a game increases with a strong linear association. As the time a basketball player practices increases, the number of points scored in a game increases with a strong nonlinear association.