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Which molecular formula corresponds to an alkene? A $$C_3H_8$$ B $$C_7H_{12}$$ C $$C_{12}H_{26}$$ D $$C_9H_{18}$$ E $$C_5H_8$$

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1. Short Questions and Answers (25 points) (Two or three sentences would generally suffice.) a. (5 points) In addition to obtaining an IP address from the DHCP server, a host also learns from the DHCP server the “network mask,” which specifies the network ID part of the IP address. Why does a host need such information? b. (5 points) When a large datagram is fragmented into multiple smaller datagrams, where are these smaller datagrams reassembled into a single larger datagram and why? c. (5 points) Do routers have IP addresses? If so, then how many, and what is the significance of them? d. (5 points) Consider a subnet with the prefix 128.119.40.128/26. Give an example of one IP address (of the form a.b.c.d) that can be assigned to this network. e. (5 points) Suppose an Ethernet frame arrives at a switch that does not know which of its ports lead to the given destination MAC address. In this case, what does the switch do?

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2. Why is it not possible to have total internal reflection when light travels from a medium of lower refractive index to a medium of higher refractive index i.e., when $n_1 < n_2$?

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if alpha = 26 deg; beta = 48 deg and a = 5.47245 then gamma =; b =; c =

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8) Which of the following could not be considered price discrimination? A) The issuing of discount tickets to weekend travelers. B) Senior citizen's discounts. C) Movies offering cheap matinees. D) Airlines offering super-saver fares to everyone.

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Based on the chemical structure of following 5 amino acids found in your text book AND on the general guidelines for ranking polarity found in the prelab, rank the following amino acids from MOST HYDROPHOBIC to MOST HYDROPHILIC: Aspartate; Phenylalanine; Serine; Valine, Histidine.

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What is the main idea and the context of the primary source Frederick Douglass on Remembering the Civil War, 1878?

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Question #21 of 45 Question ID: 561994 Mr. Brighton's long-term care insurance policy provides a 3-year benefit maximum, so benefits will be paid for how many days? ? ?) 730 ? B) 365 OC) 1,095 ? D) 900

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For the hypnotic responsiveness data presented on the previous page, calculate each of the following (show any relevant formulas and your work):

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You look like you need a break. Here's a freebie. Mark "A" here. "A" "B" "C" "D"

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faith m.