GENCHEM 2: Enthalpy and Reaction Types

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Questions and Answers

What is enthalpy?

  • The total energy of the products being greater than the total energy of the reactants
  • The energy required to initiate a reaction
  • The heat content of a system (correct)
  • The heat released to the surroundings during a reaction

In which type of reaction does enthalpy increase when energy is added?

  • Exothermic reaction
  • Endothermic reaction (correct)
  • Isothermic reaction
  • Adiabatic reaction

What happens to the surroundings in an endothermic reaction?

  • There is no change in temperature
  • They heat up
  • They cool down (correct)
  • They stay the same

Which statement is true about exothermic reactions?

<p>They cause the environment to cool down (A)</p> Signup and view all the answers

What is the change in enthalpy for an endothermic reaction?

<p>Always positive (C)</p> Signup and view all the answers

Which process releases heat to the surroundings?

<p>Freezing (C)</p> Signup and view all the answers

What is one way to avoid plagiarism when paraphrasing someone else's work?

<p>Summarizing the content in a new form (C)</p> Signup and view all the answers

How should authors with different opinions on the same topic be discussed in a review?

<p>Discussed separately under each author's name (A)</p> Signup and view all the answers

What is the purpose of in-text citations in academic writing?

<p>Representing the relationship between ideas and sources (A)</p> Signup and view all the answers

Which term refers to focusing concisely on a single main idea in academic writing?

<p>Summarizing (D)</p> Signup and view all the answers

When citing materials written at different times in a review, what should be done?

<p>Cite earlier materials first according to their time of writing (A)</p> Signup and view all the answers

What is the best way to present someone else's ideas as your own without consent?

<p>Plagiarizing by not crediting the original source (D)</p> Signup and view all the answers

What should be included in a review to emphasize relatedness between topics?

<p>'Own rendition' of essential information from various sources (A)</p> Signup and view all the answers

How should paraphrasing differ from summarizing when discussing an academic text?

<p>'Paraphrasing' presents essential information in a new form, distinct from summarizing (A)</p> Signup and view all the answers

'Review diligently' implies that reviewers should focus on what aspect during the review process?

<p>'Emphasizing relatedness' (D)</p> Signup and view all the answers

'Asserts that...' is an example of language used to convey what in academic writing?

<p>'Propositions based on evidence' (D)</p> Signup and view all the answers

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