Aluminum answer al - Study guides, Class notes & Summaries

CHEMISTRY STRAIGHTERLINE EXAM An endothermic reaction causes the surroundings to: A. warm up B. become acidic C. condense D. decrease in temperature E. release CO2 - Correct Answer-D An exothermic reaction causes the surroundings to: A. warm up B. become acidic C. expand D. decrease its temperature E. release CO2 - Correct Answer-A Copper metal has a specific heat of 0.385 J/g•oC and has a melting point of 1083oC. calculate the amount of heat required to raise the temperat...

If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) - Answer-9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? - Answer-85 An intensive property of a substance is independent of amount. - Answer-True Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic mass of Li is 6.941 amu. What ...

_____is comparatively soluble in soil solution and therefore easily weathered. -Hematite -Apatite -Feldspar -Mica -Gypsum correct answer: Gypsum Quartz __________ -weathers to form clay minerals -is resistant to weathering -is soluble in soil solution -is a phosphorus bearing mineral -is a major component of the clay fraction correct answer: is resistant to weathering A pot of soil that is 30 cm tall and which has been wetted until excess water drips from the bottom wi...

___________ is comparatively soluble in soil solution and therefore easily weathered. a. Hematite b. Apatite c. Feldspar d. Mica e. Gypsum correct answer: E. Gymsum Quartz _____. a. weathers to form clay minerals b. is resistant to weathering c. is soluble in soil solution d. is a phosphorus bearing mineral e. is a major component of the clay fraction correct answer: B. is resistant to weathering A pot of soil that is 30 cm tall and which has been wetted until excess water ...

NHIE Electrical Prep Exam Questions and Answers All Correct What does a buzzing sound from a fluorescent light indicate? - Answer- That it is near the end of its useful life. The smallest allowed aluminum wire size is 12, while Cu is 14. Why? - Answer- Copper is a better conductor than aluminum. Hydrotherapy tub requires a size ___ AWG. - Answer- 8 Feeder and branch circuit conductor wires are commonly __ CU or __ AL. - Answer- 14 AWG CU, 12 AWG AL Dedicated electrical circuits are...

RADT 146 Test 3 Exam Questions and Answers What are microfocus (fractional) tubes used for and what size are they - Answer-Magnification or mammography; .3mm or less fss What are the size of dual focus tubes - Answer-.5/1.0mm or .6/1.2mm fss Larger focal spot size ______ detail (300MA or more) Smaller focal spot size ________ detail (200 MA or less) - Answer-Decreases Increases Whats the primary purpose of filtration? - Answer-Reduces patient exposure by absorbing low level x-ray e...

LMRT State Review Exam |138 Questions With Answers Graded A+. Which of the following statements are correct regarding the link between radiation dose and genetic effects? 1. The link has been demonstrated in human studies. 2. The link has been demonstrated in animal studies. 3. increased risk to humans cannot be predicted with respect to an individual. - Answer 2 and 3 only Which of the following changes in kilovoltage (KVP) will result in the greatest reduction of patient dose, when mil...

If the fuel efficiency of an automobile is 22 miles per gallon, what is its fuel efficiency in Kilometers per liter? ( 1Km= 0.621 mile, 1.00 L=1.057 quarts and 4 quarts = 1 gallon) - ️️9.4 Km/L *What is the correct answer to the following expression: (49.1 - 42.61 ) x 13.1? - ️️85 An intensive property of a substance is independent of amount. - ️️True Lithium has two stable isotopes with masses of 6.01512 amu and 7.01600 amu. The average atomic mass of Li is 6.941 amu. What...

LMRT State Review Questions and Answers 100% Pass Which of the following statements are correct regarding the link between radiation dose and genetic effects? 1. The link has been demonstrated in human studies. 2. The link has been demonstrated in animal studies. 3. increased risk to humans cannot be predicted with respect to an individual. - Correct Answer ️️ -2 and 3 only Which of the following changes in kilovoltage (KVP) will result in the greatest reduction of patient dose, whe...

TEST BANK FOR CHEMISTRY: AN ATOMS FIRST APPROACH 2ND EDITION BY STEVEN S. ZUMDAHL | COMPLETE CHAPTER 1-21. Chapter 1 - Chemical Foundations 1. Consider the element indium, atomic number 49, atomic mass 114.8 g. The nucleus of an atom of indium-112 contains: a. 49 protons, 63 neutrons, 49 electrons. b. 49 protons, 49 neutrons. c. 49 protons, 49 alpha particles. d. 49 protons, 63 neutrons. e. 49 protons, 112 neutrons. ANSWER: d POINTS: 1 2. A hypothetical element consists of two isotopes...