CHEM 151A Midterm: Chem 151A UCSC Exam 1 2015

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turquoisegnu128

31 Jan 2019

School

UCSC

Department

Chemistry and Biochemistry

Course

CHEM 151A

Professor

All

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Please read these instructions carefully: you have 80 minutes to complete this exam, this is a closed book exam, and no notes of any kind are allowed. Please record your answers in the spaces provided next to the question numbers above: where it is possible to check your work, do so, good luck! 1: the distance from the point (1, 0, 1) to the plane with equation 2x y + z = 7 is, 6, 2 6. E: consider the following two lines given in scalar parametric form: L1 = {(x, y, z) | x = 2s + 1, y = s + 2, and z = 4s + 1, where s r} L2 = {(x, y, z) | x = t + 3, y = t + 1, and z = t 3, where t r} 5: find a scalar equation for the plane. 1 + i: 2, 2, 1, 1, 3, 3, find the polar form of:

Related Questions

PART 2: Complete the table

		4.)___	7.)___	10.)___	13.)___
No. of electrons	1.)___	5.)___	36	86	1
No. of neutron/s	2.)___	0	50	11.)___	14.)___
No. of protons	3.)___	6.)___	8.)___	12.)___	15.)___
Mass number	210	1	9.)___	210	3
Charge	0	0	+2	-1	0

A scientist wanted to determine if two newly discovered populations of insects exchanged information with other members of the same population about the location of a food source. The scientist set up a systematic observation in which food was placed for the insects to find. Over a period of time, the scientist recorded how many insects were found at the food source. The scientist collected the following data: A graph showing the number of insects recorded at a food source over a period of time. On the horizontal x-axis is time. On the vertical y-axis is the number of insects. Both populations start at 1 insect. At 2 minutes, both are at 2 insects. At three minutes, population 1 drops to 1 and population 2 increases to 4. At 4 minutes, population 1 increases to 4 and population 2 increases to 10. At 5 minutes population 1 increases to 5 and population 2 increases to 15. At 6 minutes, population 1 peaks at 6 and population 2 increases to 17. At 7 minutes, population 1 drops to 5 insects and population 2 rises to 18. At 8 minutes population 1 drops to 4 and population 2 increases to 19. Â© 2012 FLVS The scientist concludes that population 2 has a greater chance of survival than population 1. What is the correct response to the scientist's conclusion? (2 points)

Invalid because it can be deduced that population 2 will run out of food before population 1.

Invalid because survival is not dependent on the data found in the observation.

Valid because the data shows population 2 is able to communicate with one another.

Valid because the data reveals population 1 is found in lower numbers than population 2.

CHEM 151A Midterm: Chem 151A UCSC Exam 1 2015

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