Exothermic - Study guides, Study notes & Summaries

Which of the following processes are exothermic: 1) Adding magnesium to a solution of HCl 2) Water freezing on a cherry blossom 3) The reaction of H2 and O2 gases to form water correct answersAll In the "collapsing can" experiment demonstrated in class (where a small amount of water was added to an empty soda can and brought to a boil for several minutes) which of the following statements is false? a) Before heating, the pressure of gas inside the open can was the same as the pressure...

Chem 103 Module 1 to 6 Exam with Verified answers (100 OUT OF 100) Portage learning (Latest Update) MODULE 1 EXAM Question 1 Click this link to access the Periodic Table. This may be helpful throughout the exam. 1. Convert 845.3 to exponential form and explain your answer. 2. Convert 3.21 x 10-5 to ordinary form and explain your answer. 1. Convert 845.3 = larger than 1 = positive exponent, move decimal 2 places = 8.453 x 102 2. Convert 3.21 x 10-5 = negative exponent = smalle...

Florida Cosmetology clinical EXAM AND STUDY GUIDE NEWEST 2024 ACTUAL QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) |ALREADY GRADED A base placement - Answer- Refers to the position of the rod in relation to its base section; base is determined by the angle at which the hair is wrapped. on base placement - Answer- Base control in which the hair is wrapped at a 45-degree angle beyond perpendicular to its base section, and the rod is positioned on its base. (greater volume) hal...

Fire Investigator - Master for TCFP Full Test Bank/20223 TCFP Possible Questions and Answers Is NFPA 921 a guide or a standard? -Correct Answer It is the Guide for Fire and Explosion Investigations What are the six steps of the scientific method? -Correct Answer Recognize the need Define the problem Collect the data Analyze the data Develop a hypothesis Test the hypothesis What step of the scientific method is inductive reasoning? -Correct Answer Analyze the data What step of the ...

GCSE AQA Triple Chemistry Paper 1 2024/2025 QUESTIONS AND CORRECT ANSWERS ALREADY PASSED C8 1) What is required for a reaction to happen? - answer a successful collisions C8 2) How can you use a graph to calculate the rate of reaction? - answer calculate gradient (on a curve tangent) C8 3) What four things can speed up the rate of reaction? - answer temperature, concentration, surface area and catalyst C8 11) What formula is used to calculate the rate of reaction? - answer amount of ...

6.1.3 Final Exam: Semester 2 Exam Chemistry Sem 2 Points Possible: 100 Name: Date: 3/4/2023 In this test, you will apply what you have learned in the semester. Answer the questions below. Submit this to your teacher when you are done. Show all your work on this test. Question 1: Energy in Matter (20 points) A. A student put a bottle of water and a can of sugared soda in the freezer to chill them quickly. When she took them out, the bottle of water was frozen but the can of soda was...

Multiple Choice questions: Q 1-40. Highlight or mark the correct answer. (2 point each) 1. The following is a polymer. 2. The following is a naturally occurring polymer. 3. The following is true for Addition polymers. 4. The following is true for condensation polymers. 5. The following is always a reactant in hydrolysis reaction in a cell. 6. Hydrocarbons are made of and 7. As you increase the length of hydrocarbon chain, the molecules becomes more . 8. Ionizing radiation 9. “...

Firefighter 1 BEFO Final study guide 2024 What is the mission for the fire service? -Correct Answer-to save lives and protect property What NFPA standard establishes basic training criteria for Firefighter 1 and Firefighter 2? - Correct Answer-1001 Which of the following fire service organizational principals is described as a formal line of authority? -Correct Answer-Chain of Command A(an)___ is a written step by step plan of action. -Correct Answer-procedure Which of the following is th...

EXOTHERMIC AND ENDOTHERMIC REACTIONS EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS)EXOTHERMIC AND ENDOTHERMIC REACTIONS EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS)EXOTHERMIC AND ENDOTHERMIC REACTIONS EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS)EXOTHERMIC AND ENDOTHERMIC REACTIONS EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIED ANSWERS)EXOTHERMIC AND ENDOTHERMIC REACTIONS EXAM QUESTIONS AND ANSWERS UPDATED (2024/2025) (VERIFIE...

Which of the following terms is used to refer to the process that generates sufficient quantities of burnable vapors to ignite in the presence of oxidizer A- paralysis B-fire coil C- vapor pressure D-flashpoint - D What type of reaction releases energy in the form of sometimes light A- Kinetic B- endothermic C- potential D- exothermic - D What product of combustion causes The most fire deaths A- carbon dioxide B- toxic smoke C- thermal energy D- hydrogen sulfide - ...