Chemistry, physics and math questions

Anonymous
timer Asked: Jan 26th, 2019
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Question Description

all multiple choice simple combination of math and chemistry and physics questions.

1/26/2019 Take Test: Safe 4140 MathChemPhys Pretest – Safety and ... Take Test: Safe 4140 MathChemPhys Pretest Test Information Description Instructions Multiple Attempts Not allowed. This test can only be taken once. Force Completion This test can be saved and resumed later. Question Completion Status: QUESTION 1 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer answer which of the following most accurately describes what is the main component of air: nitrogen oxygen nitrogen molecule oxygen molecule carbon dioxide QUESTION 2 how many cubic meters in a liter? 0.1 0.001 10 0.01 1 QUESTION 3 the area of a square with side of 1 unit is: none of listed answers is correct 10 units squared 100 units squared 0.1 units squared 1 unit squared QUESTION 4 an example of polarized particle could be water molecule any atomic cation carbon dioxide oxygen molecule Click Save and molecule Submit to save and submit. Click Save All Answers to save all answers. nitrogen Save All Answers Close Window Save and Submi https://ucmo.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_345567_1&course_id=_155291_1&content_id=_5150415_1&step=null 1/5 1/26/2019 Take Test: Safe 4140 MathChemPhys Pretest – Safety and ... QUESTION 5 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer the circumference of a circle with radius of 1 unit is: 6.283 units 3.14 units 3 times the radius 0.14 units none of listed answers is correct QUESTION 6 one cubic centimeter is: one milliliter one fluid ounce all answers correct one milligram one tenth of a liter QUESTION 7 if the ration of two physical quantities is a constant by definition then if we increase the value of one of the physical quantities the other will: decrease correspondingly need to plug numbers to answer increase correspondingly not change not enough information QUESTION 8 an ion is: molecule with charge different than normal proton electron equilibrium any particle different than electron that can move in presence of voltage (electric potential) all answers correct atom with charge different than normal proton electron equilibrium particle either atom or molecule with missing electron QUESTION 9 as a result of human metabolism and consumption of oxygen we exhale: carbon dioxide all answers correct water vapor oxygen nitrogen Click Save and Submit to save and submit. Click Save All Answers to save all answers. QUESTION 10 Save All Answers Close Window Save and Submi 2 points Save Answer https://ucmo.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_345567_1&course_id=_155291_1&content_id=_5150415_1&step=null 2/5 1/26/2019 Take Test: Safe 4140 MathChemPhys Pretest – Safety and ... the term metabolism of humans refers to: chemical process of using energy from degradation of organic matter all answers correct processing organic matter using oxygen and releasing carbon dioxide process of turning food in to energy and heat biochemical process of transforming energy in the human body QUESTION 11 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer the wind outdoors has what effect on human body? none of listed answers is correct depends on the temperature heating if strong none cooling QUESTION 12 a circle with 12-inch diameter has area in square feet of: 7.85 square feet 1.57 square feet none of listed answers is correct 0.785 squared feet 18.84 square feet QUESTION 13 how many liters in a cubic meter? 1000 10000 100 10 1 QUESTION 14 one square foot has how many squared inches: 136 12 36 144 1400 QUESTION 15 oxygen is usually about: Click Save and Submit to save and submit. Click Save All Answers to save all answers. none of listed answers is correct Save All Answers Close Window Save and Submi 19-21 mg/meter cubed of air https://ucmo.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_345567_1&course_id=_155291_1&content_id=_5150415_1&step=null 3/5 1/26/2019 Take Test: Safe 4140 MathChemPhys Pretest – Safety and ... 19-21% of a mass unit of air 19-21 ppm in the air 19-21% of volume unit of air QUESTION 16 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer 2 points Save Answer how many percent of an inch is one centimeter? 39 13 78 10 none of listed answers is correct QUESTION 17 how many percent of a centimeter is one inch? 78 none of listed answers is correct 354 254 39 QUESTION 18 if you drive and cover 50 miles in half an hour your average speed is: 50 mi/h 1 mi/h 150 mi/h 100 mi/h 1/2 mi/h QUESTION 19 how many centimeters in a foot? 30.48 2.54 none of listed answers is correct 24.48 12.5 QUESTION 20 how many inches in 1 meter? 25.4 39.37 139.3 Click Save and Submit to save and submit. Click Save All Answers to save all answers. none of listed answers is correct Save All Answers Close Window Save and Submi 0.39 https://ucmo.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_345567_1&course_id=_155291_1&content_id=_5150415_1&step=null 4/5 1/26/2019 Take Test: Safe 4140 MathChemPhys Pretest – Safety and ... Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All Answers Close Window Save and Submi https://ucmo.blackboard.com/webapps/assessment/take/launch.jsp?course_assessment_id=_345567_1&course_id=_155291_1&content_id=_5150415_1&step=null 5/5

Tutor Answer

Tutortitus
School: University of Maryland

Hello, attached is the solution to the assignment. Kindly go through it and let me know of any need for clarification. Thank you

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Goes above and beyond expectations !

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