Most popular questions and responses by Caitlyn
  1. AP Chemistry

    Calculate the delta H rxn for the following reaction: CH4(g)+4Cl2(g)-->CCl4(g)+4HCl Use the following reactions and given delta H's: 1) C(s)+2H2(g)-->CH4(g) delta H= -74.6 kJ 2) C(s)+2Cl2(g)-->CCl4(g) delta H= -95.7 kJ 3) H2(g)+Cl2(g)-->2HCl(g) delta H=

    asked on December 13, 2015
  2. Commonwealth connections academy

    Question 1. Which of the following statements describes the aim of the person who threw the dart shown in the picture. A. The person's aim was both precise and accurate B. The person's aim was precise, but it was not accurate C. The person's aim was

    asked on September 8, 2015
  3. English

    What does the aunt in "The StoryTeller" find improper about the bachelor's story? A. It makes fun of Bertha's goodness. B.It has too many fantasy elements. C.It unrealistically suggests that virtue is always rewarded. D. The bachelor tells it without

    asked on September 28, 2015
  4. History

    Which of the following descriptions best describes the Native American tribes of the Mogollon, Hohokam, and Anasazi? They were hunters and gatherers who relied on bison herds for their survival. They were mound builders who lived in the southeastern part

    asked on April 3, 2019
  5. History

    Which best describes the impact that the Haitian Slave Revolt had on European countries? A)The resulting Haitian Revolution inspired French Revolutionaries to revolt against Robespierre. B)The resulting Haitian Revolution signaled the beginning of the end

    asked on November 5, 2018
  6. English

    What did Carl Sagan believe was proven by the disaster at Chernobyl? Technology when used carelessly is progressively more dangerous. A move toward nationalism is a waste of time. There is always a possibility that fatal mistakes will occur. There can be

    asked on November 19, 2018
  7. Math

    Jessica went to the mall and used 1/6 of her money on lunch. What is the fraction of her money expressed as a decimal? A. 0.6 (line above the 6) B. 0.7 (line above the 7) C. 0.16 (line above the 6) D. 0.17 ( line above the 7

    asked on November 14, 2015
  8. English

    Read the sentence. George and Gracie, two humpback whales, spout and dive in their tank at the aquarium. What is the correct description of "spout and dive in their tank at the aquarium" in the sentence? compound predicate simple subject compound subject

    asked on November 19, 2018
  9. History

    Which discuss the steps in the process that led to the social and political changes in South Africa? (Select all that apply.) Archbishop Desmond Tutu promoted the acknowledgment of the rights of black Africans and helped expose human rights abuses. Leader

    asked on September 24, 2018
  10. History

    Which accurately describes causes and effects of the French Revolution? A)The French army led by Marquis de Lafayette helped the American colonists defeat the British. B)French citizens revolted against their monarchy, causing one of the most violent

    asked on November 5, 2018
  11. History

    What were the outcomes of Francisco Madera challenging Porfirio Diaz for the Mexican presidency? A)Madero was assassinated by Diaz, and Mexico broke out in a civil war, until the United States of America intervened. B)Diaz hired the Institutional

    asked on November 5, 2018
  12. History

    Which was a main cause for the Austro-Hungarian Compromise of 1867? the will of Austrian and Hungarian citizens to form a unified nation Austria’s desire to solidify its power after a military defeat to Prussia the fear of another French military

    asked on May 30, 2019
  13. history

    Which describes the science of extracting metals from rocky ore? A metrology B metal forging C metallurgy D metal working is it C?

    asked on November 6, 2018
  14. English

    What is the principal part of the italicized verb in this sentence from “The StoryTeller”? The aunt suppressed a gasp of admiration. present present participle past past participle 2. Which sentence uses the same principal part as the previous

    asked on September 28, 2015
  15. English

    The complete sentence that appears on line 18 of the King Arthur’s Knights excerpt is an example of a(n) _[blank]_ sentence. While it was yet dark a great strange cry rang out in the churchyard. Some ran forth, and there by the wall behind the high altar

    asked on November 14, 2018
  16. English

    What mood did the author create at the beginning of The Johnstown Flood story? A. joyful B. peaceful C. tense D. angry I read it, but Im confused on how to identify the mood...

    asked on November 7, 2018
  17. English

    What is the simple subject of this sentence? I bought a fancy new dress. I bought dress fancy new dress I Would this be dress?

    asked on November 16, 2018
  18. Math

    A triangle has sides 8 cm and 5 cm and an angle of 90 degrees between them.Calculate the smallest angle of the triangle

    asked on April 12, 2016
  19. English

    Bill Moyers discusses Rita Dove's involvement with the Penguin Anthology of Poetry because Moyers wants to _[blank]_. discuss how she chose the poems to go in the anthology prove to the audience that Rita Dove is a good poet create a controversy over which

    asked on December 12, 2018
  20. English

    Which sentence contains correct information about the object of a preposition? In the sentence "The city was founded in the late 19th century," "founded" is the object of the preposition. In the sentence "Lakeside got its name from the beautiful lakes that

    asked on December 16, 2018
  21. History

    Which most accurately explains how differing views of the Armenian Genocide have affected Armenian-Turkish relations to the present day? Armenia and Turkey have achieved reconciliation through the mediation efforts of the United Nations. Since Armenia

    asked on May 30, 2019
  22. Health

    1.Which is NOT a type of Psychotherapy used to treat mental disorders A. insight therapy B. Group Therapy (picked this one) C. Drug therapy D. Cognitive therapy 2.Which is NOT a health professional who treats mental and emotional disorders? A. Psychiatrist

    asked on November 16, 2015
  23. English

    In the sentence "Mike lives in an old house," how is the prepositional phrase acting? It is acting as an adverb. There is no prepositional phrase. It is acting as both an adjective and an adverb. It is acting as an adjective. Would this be an adverb?

    asked on December 17, 2018
  24. English

    Based on the description in "Blowup: What Went Wrong at Storm Mountain," what is the author's purpose for writing this selection? to explain how to prevent forest fires from spreading to inform about how to avoid getting caught in a forest fire to

    asked on November 12, 2018
  25. Algebra 1

    A diver jumps from a platform 25 feet above the surface of the water. The diver's height above the water is given by the equation h(t)=-16t^2+14.5t + 25, where t is the time, in seconds, after the diver jumps. A.)When will the diver reach a height of 32

    asked on November 30, 2017
  26. Geography

    Identify three perceptual factors that affect Egypt regionalization

    asked on April 8, 2014
  27. English

    What type of conjunction is used in the following sentence? I would prefer to have both sausage and bacon in my omelet, please. subordinating compound coordinating correlative Would this be coordinating?

    asked on December 10, 2018
  28. History

    Review the definition. A country or region where another country exerts authority or influence, although it usually does not hold legal or political authority. Which term is defined? colony empire sphere of influence protectorate Would this be sphere of

    asked on May 28, 2019
  29. English

    Under which guide words would you find the word enterprise? entangle and entry entwine and epidemic verb and adjective noun and adverb Would this be entwine and epidemic?

    asked on December 7, 2018
  30. English

    What type of noun is "goals" in the following sentence? One of Jade's life goals is to be an Olympic athlete. abstract concrete compound collective Would this be concrete?

    asked on December 10, 2018
  31. Science (Chemisty)

    Scientists in 1962 became very excited when they were able to create xenon tetrafluoride. Why was this an unusual feat? Why was fluorine a good choice to try to react with xenon?

    asked on October 25, 2010
  32. English

    Which of the following sentences is an example of a simple sentence? Ian saved enough for a trip to Scotland. Originally, they wanted to ride bikes all the way, but they decided to take the train instead. Wouldn’t life be great if there were a museum

    asked on November 8, 2018
  33. English

    Baker uses the sentence “Women’s purses, despite their great weight, frequently travel through six or seven rooms to find hiding space under a couch” in his essay to create _[blank]_. a neutral mood heated suspense an unhappy tone a humorous tone

    asked on December 10, 2018
  34. English

    Read the following etymology of the word slain as it is used in line 7 of the King Arthur’s Knights excerpt. Where did this word originate? early 13c., from OE. (ge)slegen, past participle of slean (see slay). The noun meaning "those who have been slain"

    asked on December 7, 2018
  35. Geomtry

    How many distinct permutations of the letters of the word ALFALFA are there? Would this be 210?

    asked on May 9, 2019
  36. Biology

    Miguel is on the hockey team at school. He is at practice when the coach asks him to cover the goal. How does the nervous system respond to Miguel needing to change direction while skating? A . For any movement in Miguel to occur, first a message or

    asked on January 7, 2019
  37. English

    Which words in the sentence "I spoke too harshly to my parents" are adverbs? Select all that apply. arshly too to parents Would this be harshly? In the sentence "I quickly looked everywhere for Noah's blanket," which words are adverbs? Select all that

    asked on December 17, 2018
  38. English

    Which sentence uses one or more dashes properly? A. Diana cooked five pies—five!—for the party. B. Diana cooked five—pies, five!, for the party. C. Diana cooked five pies—five! for the party. D . Diana— cooked five pies, five!—for the party.

    asked on December 11, 2018
  39. History

    How did the sinking of the Lusitania lead to US entry into the war in Europe? The prevailing outlook called for a quick resolution to hostilities. The American public wanted revenge for the assassination of Franz Ferdinand. The military had developed new

    asked on May 30, 2019
  40. History

    How did the Russian Revolution impact the world in the years after World War I? The change in Russia’s economy brought on the Great Depression of the 1930s. Fear of the spread of Communism instigated the Cold War. It encouraged nationalist movements in

    asked on May 30, 2019
  41. English

    Which verb tense is used in "has explored" in the following sentence? I am pretty sure he has explored that option. past perfect future present perfect present Would this be present?

    asked on December 10, 2018
  42. History

    Which was a main cause for the Austro-Hungarian Compromise of 1867? the will of Austrian and Hungarian citizens to form a unified nation Austria’s desire to solidify its power after a military defeat to Prussia the fear of another French military

    asked on May 29, 2019
  43. History

    Which best defines the concept of manifest destiny? the belief that America should stretch from coast to coast the belief in the exploration of parts unknown the belief in the strict enforcement of government policies the belief in the freedom of religion

    asked on May 28, 2019
  44. trig identities

    cos94 degrees cos18 degrees+ sin94 degrees sin18 degrees. write the expression as the sine, cosine, or tangent of an angle.

    asked on April 26, 2011
  45. History

    What effect did the eastern front have on World War I? (Select all that apply.) The heavy Russian losses, combined with food and fuel shortages, led to the abdication of Czar Nicholas II. The eastern front was closed within one year and did not have an

    asked on May 30, 2019
  46. English

    Which sentence uses an intransitive verb? Shawna prefers that movie over all others. Hannah played soccer for 13 years. Occasionally, Trevin swam in the pool. Can you tell me which color Marissa likes best? Would this be Hannah played soccer for 13 years.

    asked on December 11, 2018
  47. English

    What type of noun is "bottles" in the following sentence? Several water bottles were left scattered around the gym after the game. abstract collective compound Would this be collective? concrete Would this be

    asked on December 10, 2018
  48. English

    What is the antecedent of the pronoun in this sentence? Gina's legs were tired, and they felt like lead. tired Gina legs lead Would this be legs?

    asked on December 16, 2018
  49. English

    Select the vocabulary word that best completes the sentence. There is a definite _[blank]_ between sustained silent reading and a person’s reading comprehension scores. event recall essay correlation Would this be correlation?

    asked on November 19, 2018
  50. English

    If the mayor is willing to cut taxes, what might an opponent's contradiction of the mayor's stance be? to have no taxes to keep taxes the same to cut taxes too to increase taxes Would this be to have no taxes?

    asked on December 17, 2018
  51. Science (Chemistry Periodic Table of Elements)

    A tube of "Brilliant Yellow" acrylic paint contains titanium dioxide. What transition metal is in this compound? What important nonmetal elements is in this compound?

    asked on October 25, 2010
  52. English

    Which sentence is in the passive voice? Bill Moyers asks the questions in a calm, assertive manner. Rita Dove was interviewed several times in 1996. He treats each guest as courteously as he can. He must give a lecture in the next twenty minutes. Would

    asked on December 12, 2018
  53. English

    Is the verbal Skydiving an infinitive, participle, or gerund? Skydiving can be very exhilarating! participle gerund infinitive not a verbal Would this be a participle? Because it ends in ing

    asked on December 12, 2018
  54. History

    Which was a consequence of the United States’ entry into World War I? Ottoman forces shifted their troops to fight against the Allied powers on the western front. Mexico attacked the United States in order to reacquire territory it had lost in the

    asked on May 30, 2019
  55. English

    What types of rhetorical devices are used in the following sentence? They would like more time off in the summer, for holidays, and on weekends. repetition epistrophe repetition anadiplosis parallelism repetition anaphora Would this be parallelism and

    asked on November 19, 2018
  56. English

    Which of the following sentences is an example of a complex sentence? A Ian and Charlotte worked and saved enough for a trip to Scotland. B Originally, they wanted to ride bikes all the way, but they decided to take the train instead. C In the entire

    asked on November 8, 2018
  57. calculus

    A trough is 10 feet long and 1 foot high. The vertical cross-section of the trough parallel to an end is shaped like the graph of y=x10 from x=−1 to x=1 . The trough is full of water. Find the amount of work in foot-pounds required to empty the trough by

    asked on February 27, 2012
  58. English/History

    Why were the Japanese Americans sent to an internment camp? 1. Their old neighborhoods were needed for a base camp. 2. Their old homes were unfit to live in. 3. The government was afraid they would threaten the war effort. 4. Their old homes were destroyed

    asked on November 7, 2018
  59. English

    Select the vocabulary word that best completes the sentence. The experimental lab subjects _[blank]_ signs of greater strength after being treated with the new formula. exaggerated correlated scored exhibited Would this be exhibited?

    asked on November 19, 2018
  60. english

    The final section of a research paper paragraph should include _______, to help readers figure out how the evidence supplied in the body of the paragraph supports the topic. A. an analysis B. a transition C. a citation D. a quotation C?

    asked on November 30, 2016
  61. English

    What was Martin Luther King Jr.’s goal when he gave his speech on the first day of the boycott? to emphasize improvement in economic conditions for African Americans to rouse people to action without expressing hate and resentment to persuade other

    asked on November 8, 2018
  62. English

    Which sentence contains an adjective used as a modifier? Will you be at the park tomorrow? There are two male puppies in the litter. The cats howled at 3:00 in the morning. Brian crunched on pretzels. Would this be the last one?

    asked on November 12, 2018
  63. English

    Which sentence does not contain a preposition? Donald went on the frozen lake and ice-fished with local residents. Pinetop-Lakeside has beautiful golf courses and offers many recreational activities. We enjoyed looking at the world’s largest stand of

    asked on December 16, 2018
  64. English

    Which statement from the memoir is an opinion? A “Martin and Ralph saw extraordinary sights.” B “Yoki was only two weeks old.” C “Several thousand leaflets were printed.” D “Mrs. Parks called E. D. Nixon.” Is it A?

    asked on November 8, 2018
  65. English

    In the following example, what type of constructed response question is being used? In the story of the three little pigs, what material did the third little pig use to buy his house? Application – ‘Think and Search Question’ Knowledge or

    asked on November 20, 2018

    Michael stands upright and allows his right arm to swing back and forth, naturally and without forcing, like a pendulum. He measures the time for 29 oscillations (complete cycles) to be 38.6 s. Assume his arm (length L) behaves as a simple pendulum, with

    asked on October 19, 2015
  67. English

    Which statement is a compound sentence? Deanna will not receive the perfect attendance reward yet. Send the flowers to her at home or at work. I really want to go to the party, yet I don’t want to ride with Benjamin. We must arrive on time for this

    asked on November 27, 2018
  68. English

    What type of conjunction is used The knight swore to do all this, and after he had made his peace with his kindred, he set forth to do Sir Galahad's bidding. And it was as the stainless knight had foretold, for in seven days Sir Nulloth had found death,

    asked on December 11, 2018
  69. English

    How does Bill Safire depict mankind in his proposed speech? Open Excerpt timid and wary of loss daring and invasive adventurous and greedy adventurous and determined Would this be adventurous and determined? Speech- Fate has ordained that the men who went

    asked on December 11, 2018
  70. Science (Chemisty)

    The melting point of sodium is 97.8`C. Would you expect the melting point of iodine to be higher or lower?

    asked on October 25, 2010
  71. English

    Journalists are almost always protected from having to _[blank]_ the identity of their sources of information. modify source reveal translate would this be reveal?

    asked on November 9, 2018
  72. Chemistry / Stoichiometry

    When 1 mol of CH4 is burned, 490 kJ of energy are released as heat. CH4 + O2 -> 2H2 + CO2 If 3.2g of CH4 are burned, what is the value of the heat of the reaction? The answer worked in class was -180 kJ, but while I was redoing problems, I got the answer

    asked on April 9, 2016
  73. Physics

    The diagram for this problem is a pulley. On the left end Box 1 is sitting on a table and Box 2 is attached sitting on top of Box 1 and is attached to the string for the pulley. The right side has the string attached to Box 3 which is lifted off the table.

    asked on June 21, 2012
  74. Algebra

    Each ordered pair is a solution of a direct variation. Write the equation of direct variation. (2,10) (8,2) (7,21) (2,-16) Please Help!

    asked on December 2, 2010
  75. US HISTORY - Help please

    Which answer best explains how the Articles of Confederation addressed the question of creating a court system? The Articles established the trial-by-jury system for the first time in history. The Articles created state, regional, and national courts

    asked on December 11, 2016
  76. PE

    Which are types of aerobic interval training? Select all that apply. A. biking at a speed of 15 mph outside in one direction for 1 hour and then calling your friend to pick you up and drive you back home​ B. spinning in a spin class where the instructor

    asked on February 16, 2019
  77. English

    Identify the clause as dependent or independent. Because she is studying dependent independent Would this be dependent ?

    asked on November 20, 2018
  78. English

    Which is an example of a rhetorical question? A Shouldn’t we all feel a sense of responsibility to children in our society? B What time are you going to be here? C Where would you like to meet for lunch on Monday? D How many days does it take you to

    asked on November 16, 2018
  79. Physics

    A spy in a speed boat is being chased down a river by government officials in a faster craft. Just as the officials’ boat pulls up next to the spy’s boat, both boats reach the edge of a 4.6 m waterfall. The spy’s speed is 15 m/s and the officials’

    asked on November 21, 2011
  80. English

    ead the statement, and choose the word that best describes the writer's tone. Please do eat the last piece of pizza. I haven't had any yet, but you should definitely have a third piece. sarcastic sincere humorous gloomy Would this be sincere?

    asked on November 9, 2018
  81. History

    Which religious movement prompted people to challenge medieval practices of the Catholic Church and inspired the Scientific Revolution? A) Utopian Movement B) Counter-Reformation C) Second Great Awakening D) Protestant Reformation Is it D? Can someone

    asked on November 5, 2018
  82. Math

    The half-life of strontium-90 is 28 years. How long will it take a 60 mg sample to decay to a mass of 15 mg?

    asked on May 19, 2010
  83. Rationa Numbers

    What makes the statement true? 8^-2=? A. 64 B. 16 C. -1/64 D. 1/64 Please help

    asked on November 13, 2015
  84. chemistry

    SHOW WORK How many moles of helium occupy 26.4 L at a pressure of 103.0 kPa, and 10 degrees Celsius? A.) 0.03 mole B.) 0.86 mole C.) 1.16 mole D.) 32.72 mole

    asked on December 4, 2013
  85. Science

    1.) Identify the terms or phrases that are paired together correctly. desert and dwarf trees temperate and deciduous forests and evergreen trees subarctic taiga and moss tundra and permafrost

    asked on October 2, 2019
  86. Science

    Magnesium burns quickly in flashbulbs when an electric current passes through it, providing a bright light for exposing film. Why do you suppose the inside of the bulb containing the magnesium is filled with a "noble" gas instead of air??

    asked on October 25, 2010
  87. Algebra 1

    The roots of a quadratic equation are -1 and -5, and a=1. A.) What are the factors of the quadratic expression? B.) Write the function in standard form using function notation. C.) What is the degree of this function? D.) Identify the vertex

    asked on November 30, 2017
  88. Study Skills Practice

    What does it mean to survey a text? A. Read the text and take detailed notes B. Look for the main ideas C. Find the answers in your questions (picked this one) D. Answer questions out loud. Why should you consider your teacher a partner? A. Because you are

    asked on October 5, 2015
  89. Calculus

    A trough is 5 meters long, 1 meters wide, and 4 meters deep. The vertical cross-section of the trough parallel to an end is shaped like an isoceles triangle (with height 4 meters, and base, on top, of length 1 meters). The trough is full of water (density

    asked on February 27, 2012
  90. physics

    When a horizontal force of 4.5 newtons acts on a block on a resistance-free surface, it produces an acceleration of 2.5 m/s squared. Suppose a second 4.0 kg block is dropped onto the first. What is the magnitude of the acceleration of the combination if

    asked on October 25, 2010
  91. Statistics

    Suppose a fair coin is tossed five times and let x be the number that turned up in those five times. **the mean and the standard deviation are respectively... a.) 0.5, 0.5 b.) 2.5, 0.5 c.) 2.5, 2.24 d.) 2.5, 1.12 **find P(x≥1) a.) 0.5 b.) 1.0 c.) 0.03

    asked on May 30, 2016
  92. Algebra 1

    A penny is dropped from the top of a 345 foot building. Time is being measured in seconds. A.) Write an equation that models the scenario B.) How far is the penny from the ground after 2 seconds? C.) How long does it take the penny to reach the ground?

    asked on November 30, 2017
  93. math

    the surface of the top layer of a circular sand pit is about 160 square feet. estimate the radius of the sand pit, to the nearest foot

    asked on May 6, 2014
  94. math

    You are 64 inches tall and your shadow is 72 inches long. A tree casts a shadow of 144 inches. How tall is the tree?

    asked on June 29, 2011
  95. chemistry

    A gas has a density of 5.56 g/l. What volume in mL would a 4.17 g of this gas occupy?

    asked on September 9, 2010
  96. Chemistry

    Calculate the concentration of an acetic acid solution prepared by mixing 13.5mL of 10.0M acetic acid with 250.0mL of .15M NaCl solution.

    asked on October 10, 2012
  97. Chemistry 101

    A volume of 20.0 mL of a 0.140 M HNO3 solution is titrated with 0.850 M KOH. Calculate the volume of KOH required to reach the equivalence point.

    asked on March 9, 2018
  98. Math

    David starts off at a salary of $10,000 per yer. At the end of each year, he will earn a 4% raise on his previous salary. What will be the first year that he makes $15,000? If Valerie starts off at a salary of $10,000 per year and receives an option of a

    asked on November 16, 2016
  99. Math

    What is 54.9*10 to the 6th power in scientific notaion

    asked on May 4, 2010
  100. algebra

    what is the coefficient in 3x to the second power + 2

    asked on November 19, 2015


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