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Questions (91)

24. What is the GPGP? Describe current efforts to reduce its size.
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17. Explain the Safe Drinking Water Act.
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16. What are some ways to measure or compare the level of pollutants in water
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15. What is the EPA? What are they responsible for
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where does the vast majority of airborne SO2 and NOx come from
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11. What impact do CFCs have on the environment?
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10. From page 3, what types of chemicals have a major impact on air quality
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what are some effects of poor air and water quality on the environment and living organisms in it
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6. Why are some greenhouse gases necessary?
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5. What is the connection between more greenhouse gases in the Earth’s atmosphere and the temperature of the atmosphere?
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4. What kinds of molecules can be considered greenhouse gases? Why?
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3. What are some ways new technologies could help against pollution from chemical processes?
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2. What are some damaging side effects of chemical processes?
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1. What are some benefits to modern chemical processes that humans use?
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What supporting evidence can you pull from The Confessions of Nat Turner to support the claim that he believed he was destined
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A catalyst can be added to some chemical reaction systems and is able to speed up a reaction by ________ the activation energy
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11. What is formed from the breaking of bonds in hydrazine and dinitrogen tetroxide
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what is the difference between a ionic bond and a covalent bond
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7. If you hold a hand-warmer, what would be considered the system, and what are the surroundings
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is H2 + Cl2 -> 2HCl is -252 kJ/mol an exothermic reaction
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2. Calculate the total reaction energy for the reaction H2+CI2=2HCI
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1. What are the four variables that can affect reaction rate? (1 pt)a. __________________ b. __________________ c.
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explain why reactant size and the rate of reaction is considered an inverse relationship.
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○ If a sugar cube was crushed into a powder, the ________ of the sugar would remain the same, but the _________ _________ of
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● Another factor that affects the reaction rate is the reactant particle size, which is related to _________ _ _______. (p.6)
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● How does changing the _________ of the reacting particles change the rate of the reaction? If there are more particles,
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● _________ is a substance that has many uses. It is used in _________, cleaning products and as a refrigerant. It is
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○ _________ ________ states that an effective collision is one that transfers enough energy to break bonds and start a
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● When you increase the _________ of a reaction, the particles gain _________ energy. They move faster and collide with each
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4. According to collision theory, what three conditions must be met before a chemical reaction can occur?
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2. Explain (on the molecular level) why an increase in temperature would increase the reaction rate.
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● Two factors that influence reaction rates are _________ and _________ _________.
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● According to a model called collision theory, three conditions must be met before a chemical reaction can occur. (p.8)...○
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● According to a model called _________ theory, three conditions must be met before a chemical reaction can occur. (p.8)...
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breaking the chemical bonds in a reactant molecule requires an input of _________ into the reaction system. This minimal amount
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What happens on the molecular level when you increase the concentration of the reactants involved in the reaction?* more
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What happens on the molecular level when you increase the temperature of the reaction?* the product particles increase in force
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What happens on the molecular level when you increase the temperature of the reaction?* the product particles increase in force
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How is reaction rate defined?* How likely or often a reaction occurs on Earth in general The amount of time of a reaction
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While toxic chemicals can cause serious damage to aquatic animals and plants, one of the most significant forms of water
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Which of the following is not an effect from losing ozone in the stratosphere?* increase in harmful UV light rays can reach
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Why should humans invest in clean energy resources and processes that reduce waste?* Burning fuels that put particulates in air
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Which of the following is true regarding the greenhouse effect?* The greenhouse effect is good because it keeps our planet's
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Earth's atmosphere has a mixture of gases. 99% of our atmosphere is Oxygen and Nitrogen. The remaining 1% is made up of other
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Since _____________ , there has been an increase in greenhouse gases in the atmosphere due to human activity.* the middle ages
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18. Describe an example where an open system might result in conclusions that go against the Law of Conservation of Mass. (2
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17. How is balancing equations related to the Law of Conservation of Mass? (2 pts)
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12. Using the balanced equation 2H(g)+O2(g)=2H2O(g), calculate how many grams of water would be produced from 4 mol of hydrogen
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11. Given a mole of each of the following substances, which one would weigh the most?* A. MgO B. CH4 C. CO2 D. CaO
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10. Which of the following is the correct calculation and answer to determine the mass of 4 moles of CH2O?* A. 4 mol x 16 g/mol
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9. Which element was originally used to calculate atomic mass units (amus)?* A. Hydrogen-2 B. Nitrogen-14 C. Carbon-12 D.
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8. What is the molar mass of sodium chlorite (NaClO2)? How much would 2.5 moles weigh?* A. 94.0 g/mol 2350 amus B. 90.4 amus
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7. What device can be used to determine the atomic mass and therefore identify the elements found in an unknown substance?* A.
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6. Which of the following statements is NOT true regarding chemical reactions?* A. Chemical reactions begin with measurable
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5. A student measures out 200 grams of sodium flouride (NaF). How many moles would this be?* A. 200 g / 42 g = 4.76 moles B. 200
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4. In the balanced reaction Pb(NO3)2+2KI=PbI2+2KNO3 what is the ratio of potassium iodide (KI) to lead iodide (PbI2)?A. 3:1 B.
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3. If the reaction Mg+o2=mgO were balanced, what would the coefficients be?A. 2Mg, 1 O2, 2MgO B. 2Mg, 3 O2, 2MgO C. 1Mg, 2 O2,
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2. Which of the following steps are in the correct order for how to calculate the molar mass of a carbon dioxide (CO2) molecule?
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1. How do endothermic reactions differ from exothermic reactions? List an example of each.
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In Passage 3, when it states that “it was with the connivance of the Republican authorities,” this means...* they were
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The best example of Logos is in this line:* "Pass laws, which to the Africans are among the most hated bits of legislation in
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The best example of Ethos is in this line:* "I hold a Bachelor's Degree in Arts and practised as an attorney in Johannesburg for
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The best example of Pathos is in this line: * "I doubt whether there is a single African male in South Africa who has not at
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What is the general impact of environmental issues on New Zealand?(1 point)Responses Native species of plants and animals are
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What was the function of the UN-sponsored 1948 treaty on genocide?(1 point)Responses It set up mechanisms to punish those guilty
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Which of the following was an accomplishment of communism under Mao Zedong?(1 point)Responses increased trade with the United
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Why did Rachel Carson write the book Silent Spring? (1 point)Responses To convince more children to get the polio vaccine. To
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How did the post–World War II Red Scare change over time?(1 point)Responses The U.S. created laws to deal with the communist
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Who were the new superpowers of the world immediately after World War II?(1 point)Responses the United States and the Soviet
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How did Yugoslavia differ from other nations in Europe?(1 point)Responses Democratic Yugoslavia joined the Warsaw Pact and
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Which of the following is an example of Nazi-era propaganda demonstrating anti-Semitism?(1 point)Responses creation of ghettos
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Which statement connects the European imperialists’ rule to the growth of nationalism movements after World War I?(1 point)Res
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How was Lenin’s Cult of Personality created?(1 point)Responses through a fusion of religious and political ritual through a
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Compare the actions that Stalin, Hitler, and Mussolini used to grow their totalitarian authority. (1 point)Responses Hitler
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Which of the following best explains why there were long-term economic consequences to World War I?(1 point)Responses Creating
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hich of the following explains how the Russian Revolution affected Russia’s involvement in the war?(1 point)Responses The new
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What was one reason for societal tension during the Industrial Revolution?(1 point)Responses Factory owners got very rich while
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How did the Declaration of the Rights of Man and of the Citizen lead to the independence of Haiti?(1 point)Responses The
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Which of the following best explains why the influence of the U.S. Constitution and Bill of Rights has lessened in recent
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Father Miguel Hidalgo y Costilla initiated an uprising in what Spanish colony? (1 point) ResponsesJamaica New Spain Haiti Brazil
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Why were the treaties between Indigenous peoples and the U.S. government not enforceable? (1 point)These treaties were often not
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How did the Intolerable Acts help lead to the American Revolution? (1 point)They showed the colonists that the British were
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Identify why Sweden was relatively more successful than Denmark and Norway based on maps, geographic location, and resources. (1
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Which group benefited the least from the early development of laissez-faire capitalism in Europe? (1 point)enslaved African men
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What was the main importance of the Glorious Revolution? (1 point)England became a constitutional monarchy. James I was removed
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5. The legal jurisdiction Western powers had in Chinese ports led to which of the following? (1 point)Western powers did not pay
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5. The legal jurisdiction Western powers had in Chinese ports led to which of the following? (1 point)Western powers did not pay
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What was the land revenue system in British India?(1 point)a system of extensive railways across India the process of replacing
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How did indirect imperial rule impact modern Nigeria?(1 point)Responses Infrastructure was not a priority under British rule, so
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What effects did the Reconquista have on religious motivations for colonization? (1 point)Responses The Reconquista showcased
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World History Semester B Exam 7 of 39 ItemsQuestion How were the tactics the British used to defeat the resistance movements of
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