(-1/3)√18c^5 * (-6√8c^9) 2√144c^14 ---> I came until here but then didn't know how to proceed

4,406 results
  1. i need help physics

    . How much thermal energy must be removed from a 0.25-kg chunk of ice to lower its temperature by 18C ? The specific heat of ice to is 2100 J/kg ⋅K and the heat of fusion for ice is 334×10^3 J/kg.

  2. language

    Which sentence is written correctly?(1 point) A. "Didn't you say I could go?" asked Ben. B. "Didn't you say I could go? asked Ben." C. Didn't you say I could go? asked Ben. D. "Didn't you say I could go"? asked Ben. i think A

  3. chem

    how many kilojoules of heat are absorbed when 1.00 L of water is heated from 18C to 85C? density of water is 1.0 g/ml

  4. Chemistry (PLEASE HELP ME)

    1. According to the phase diagram for water, how is the state of water determined? a. proceed up a vertical line at any given temperature b. read the phase at the intersection of any given temperature and pressure c. at a given pressure, proceed

  5. Government

    Why didn't Georgia send delegates to the First Continental Congress? They were the only state that didn't and i have a theory but i'm not quite sure. Just wanted to get others thoughts. Thank ya!

  6. physics

    . How much thermal energy must be removed from a 0.25-kg chunk of ice to lower its temperature by 18C ? The specific heat of ice to is 2100 J/kg ⋅K and the heat of fusion for ice is 334×10^3J/kg.

  7. chem please help drbob222

    Why is the process of examining enthalpies of a reaction helpful? A. It helps in determining how a reaction occurs spontaneously. B. It helps in determining the temperature that a reaction requires to proceed. C. It helps in determining how fast a reaction

  8. Chemistry

    a sample of natural gas is 85.2% methan, CH4, and 14.8% ethane, C2H6, by mass. What is the density of this mixture @ 18C and 748mmHg. so i know that i have to use this formula d=(PM)/(RT) but i don't know how to convert the percentages into g/mol

  9. Englsih

    1. She didn't go to a dentist. 2. She didn't go to see a dentist. 3. She didn't go to the dentist. 4. She didn't go to the dentist's. 5. She didn't go to the dentist's office. (#4 is from #5, right? Does #3 mean "she went to the specific dentist whom she

  10. math

    how do you factor 18c^4-9c^2+7c ?

  11. Chemistry

    In the chemical reaction where N2O4(g) is converted to 2NO2(g), if 0.5 M N2O4 and 0.15 M NO2 are present in the vessel, is the reaction at equilibrium? If not, which direction would the reaction proceed? (Kc = 4.4 × 10-3) N2O4(g) 2NO2(g) a. No, Q = 4.5

  12. reading

    at the samt time many families haiving greater incomes can take basic shelter for granted and proceed to satisfying higher needs in housing. what correction should be made to this sentence? a)change can to must b)change the spelling of proceed to procede

  13. physics.

    1500W thingy heats1.5kg water from 18C to 59C in 3.0minutes. How mcuh n-ergy was used by the thingy?

  14. biology

    What are endergonic reactions? How can endergonic reactions proceed in organisms? An endergonic reaction is a chemical reaction where the reactants have a lower free energy than the products. Enderonic reactions are coupled to exergonic reactions which

  15. Physics

    How much work must be done to increase the speed of an electron (a) from 0.18c to 0.19c and (b) from 0.98c to 0.99c? Note that the speed increase is 0.01c in both cases.

  16. physics

    If you wish to warm 110kg of water by 18 degrees C for your bath how much heat is required? Heat= mass*specificheat*TempChange Put the mass in kg, choose the specific heat constant in units of J/(kg-C), and use the 18C as the temp change.

  17. English

    1. If I had had a lot of money, I would have bought the car. 1-2. As(=Because) I didn't have a lot of money, I didn't buy the car. 2. If I had had a lot of money, I could have bought the car. 2-2. As I didn't have a lot of money, I couldn't buy the car. 3.

  18. WHY?

    WHy are my questions being deleted? plz help me..i didn't mean to be rude :( Repost please. Please post under just one name. Posting several questions under differing names (Julia, Steph, etc) is not conductive to a healthy relationship to those

  19. Algebra

    Suppose that A = D + E and that D/A = 0.80. Solve for D/E. These are the steps I have taken, but I don't know how to proceed. 1. Divide A = D + E by A. 2. 1 = .80 + E/A 3. .20 = E/A 4. A/A = 1, D/A = .80, E/A = .20.

  20. Math

    (-1/3)√18c^5 * (-6√8c^9) 2√144c^14 ---> I came until here but then didn't know how to proceed.

  21. Algebra

    (-1/3)√18c^5 * (-6√8c^9) 2√144c^14 ---> I came until here but then didn't know how to proceed.

  22. Algebra 2

    Need help on the #13-20. 13. What is the quotient of d − 2 ) d 4 − 6d 3 + d + 17 __________________ ? A. d 3 − 4d 2 − 8d − 15 R −13 B. d 3 − 8d 2 + 16d − 31 R 79 C. d 3 − 4d 2 + 9d + 35 D. d 3 − 8d 2 + 17d − 17 14. What is the sum of

  23. Math

    find the intervals of increase and decrease of f(x)=3/(x*2+11) -1 ? My f'(x) is-6x/(x^2+1)^2, after that i didn't know how to proceed next bcus i didn't know how to find x to substitute in the f'(x).

  24. Physics

    The Nuclues of a Manganese atom has a net charge of +4E-18C. Its nearest electron is located 4E-10 m from the nucleus. What is the electrostatic force between the nucleus and the electron? (Hint:what is the charge of the electron? Not 1!) I believe that

  25. Life Science

    I tried looking and can't find or understand where the following answer are. Please help me, I feel like I'm going crazy. I’m not sure about the answers I wrote but if someone could correct them and help me out with the ones I didn’t get.

  26. English

    Which word choices for each sentences should I use in parenthesis? The state legislature meets in the (Capital or Capitol). They are planning to (precede or proceed) with the construction. The professor will (precede or proceed) me on the program.

  27. English

    1. They didn't have green leaves yet. 2. She didn't finish her homework yet. 3. He didn't clean the room yet. 4. She didn't read the book yet. (Are all the sentences grammatical?)

  28. Chemistry

    The Kc for the following reaction at 940oC is 1.38. Given the concentrations [CO2] = 0.500 M, [H2] = 0.425 M, [CO] = 0.610 M and [H2O] = 0.695 M, one can conclude that: H2(g) + CO2(g) ↔ CO(g) + H2O(g) Question 8 options: A) the system is not at

  29. Chemistry

    For the reaction given, the value of the equilibrium of the constant at 400 K is 7.0. Br2(g)+ Cl2(g)=2BrCl(g) Does the: Reaction proceed to the left? Reaction proceed to the right? Partial pressure represent a system in an equation?

  30. Algebra

    C the power of two+18c-175=0 Help please?

  31. chemistry

    A reversible reaction has an equilibrium expression, Keq = 50. If the reaction quotient calcuated in by a student performing this reaction is Q = 75, which of the following statements is true? a Equilibrium will proceed in the reverse direction favoring

  32. Calc III

    Hello, Can somebody help me with the following two problems? 1. Find a value of a such that the vector makes an angle of 45 degrees with the vector or show that no such a exists. ---I started by using theta = arccos (u*v)/(absu*absv) must equal (sqrt2)/2

  33. Algebra

    A long-distance call using DEC costs 20 cents for the first minute and 16 cents for each additional minute. The same call, placed on LCS, costs 19 cents for the first minute and 18 cents for each additional minute. For what length of phone calls is DEC

  34. MATH

    I need to simply this equation, but I got stuck. h/(4-sqrt(16+h)) = y First, I multiplied (4+sqrt(16+h)/(4+sqrt(16+h) to both sides, and I ended up with h(4+sqrt(16+h)/-h. Is this correct? (I tried to graph both equations to see if I would get the same

  35. Pre-calculus

    I am having difficulty with two problems: 1) Evaluate (1+i)^12 by using DeMoivre's Theorem. Express the result in rectangular form. So far I have: r=sqrt(1)^2+(1)^2 which simplified is sqrt2. Don't know how to proceed. 2) Write the polar equation theta =

  36. English

    Posted by rfvv on Saturday, December 19, 2015 at 12:10am. 1. I didn't eat apples or pears. 2. I didn't eat apples and pears. ================ #1 mean "I didn't eat apples. I didn't eat eat pears, either." Am I right? Then, what about #2? What does #2 mean

  37. Chemistry

    Small gene Big Plasmid Question 2 Part E is wrong. Question 2 Part F: Determine the DNA sequence of the PCR products, I have no idea how to proceed. In the assignments they were wrong also. I looked at the homework solutions, but I am still unsure how to

  38. Chem

    KHC4H4O6(s) K+ (aq)+ HC4H4O6-(aq) 1) If the above reversible were started with only solid potassium hygrpden tartrate, which reaction would proceed faster, the "forward" or "reverse"? I said forward 2) If the reactions were started with only the separated

  39. physics

    How much work in eV is required to bring three charges of 6.8x10-18C from a great distance apart to 5.04x10-9m from one another (at the corners of an equilateral triangle)?

  40. Algebra II --- Variation, Progression, and theorem

    1. If y varies inversely as x, and y = 12 when x = 6, what is K, the variation constant? A. 1⁄3 C. 72 B. 2 D. 144 2. Use the remainder theorem and the factor theorem to determine whether (y – 3) is a factor of (y4 + 2y2 – 4). A. The remainder is 0

  41. Physics

    A closed organ pipe has a fundamental frequency of 380 Hz at 30C. What would be its next higher resonant frequency at 18C?

  42. physics: Heat

    You have 325 g of water at 18C. What is the most ice (at 0C) that you could put into this water and have it all melt?

  43. law

    Case Discussion A patient has filed a $3 million medical malpractice lawsuit against St. Patrick Hospital. In light of the patient’s litigious background and the facts of the case, hospital administration is adamant that it is not liable. It has

  44. ANSWERS FOR SOCIAL STUDIES UNIT TEST CONNEXUS

    1D 2A 3A,B,C 4C 5D 6D 7B 8C 9A 10A,C,D 11C 12C 13B 14B 15C 16C 17C 18C 19A THESE ARE THE CORRECT ANSWERS JUST TOOK THE UNIT TEST AND WROTE THEM FOR YALL GUYS

  45. chemistry

    According to the phase diagram for water, how is the state of water determined? proceed up a vertical line at any given temperature read the phase at the intersection of any given temperature and pressure at a given pressure proceed horizontally to the S-L

  46. chemistry

    what volume would a gas occupy, if you had a 37.L cyliner that was 45 atm and temperature of 18C was released to the atmosphere (P=760.mm Hg) which had a temperature of 37C? Can you show me how to set this up?

  47. algebra

    I have 70 problems today and have trouble near the end if I can get help on the ones I am going to to post I can do the last 15. I so appreciate help with understanding the steps. I will split the posts. Thank you very much. I will use < as square root

  48. Literature

    Why didn't the people of Sighet, Hungary (and other small towns like it) run away or fight back when they were rounded up and sent to ghettos and eventually deported? A.)The didn't believe or understand what they where they were going and what was going to

  49. Writing- grade 4

    Write a personal narrative about something happened to you when you were young. I when I was young and didn't walk on my feet. I was in my bed , I stood up and I put my hand on the edge of the bed so that it doesn't fall,but dropped it,and my dad took me

  50. physics.

    a 1500W thing heats 1.5kg of water from 18C- 59C in 3 minutes. how mcuh energy was used by the thing? how much energy was delivered to the waterr??

  51. algebra

    I am confused on how to determine if an equation/expression is a trinomial square. For example c^2(squared)-18c+81. I know that this is a trinomial square but I don't know why. Could someone please help me understand better

  52. BIology

    A cell cycle is exposed to intensive UV irradiation that results in damage to the cells DNA. Shortly after UV exposure, the cell receives signals telling it to undergo cell division. What are the most likely next events to occur in the cell? A- The cell

  53. Physics

    How much heat is required to raise an 850g copper pan from 18C to 85C if (a) the pan is empty? (b) the pan contains 1.9kg of water? (c) the pan contains 4.3kg of mercury?

  54. Language...Grammar

    1. If they had tried their best, they would have succeeded in the interview. (subjunctive mood) 2. As they didn't do their best, they didn't succeed in the interview. 3. As they didn't do their best, they wouldn't succeed in the interview. 4. As they

  55. Chemistory

    The reaction has an equilibrium constant of = 0.154. If 6.60 of , 4.30 of , and 11.60 of are added to a reaction vessel with a volume of 5.30 , what net reaction will occur? A-The reaction will proceed to the left to establish equilibrium. B-The reaction

  56. Chemistry

    PRECIPITATION BY NaC2H3O2(aq) (a) Add 2 mL of sodium acetate solution to the test tube. (b) If a white precipitate forms at the bottom of the test tube, decant the remaining liquid into another clean test tube and retain the precipitate. (Decanting is the

  57. science

    When Q < K, what can you conclude about the reaction? A. The reaction is not yet at equilibrium, and the reaction will proceed in the forward direction. B. The reaction is not yet at equilibrium, but the direction of the reaction must be experimentally

  58. Chemistry

    1. Take a clean test tube from the Glassware shelf and place it on the workbench. Add 1 mL your mystery solution to the test tube. 2. PRECIPITATION BY NaC2H3O2(aq) (a) Add 2 mL of sodium acetate solution to the test tube. (b) If a white precipitate forms

  59. History hellp pleasse

    Hi please help with my question Even if you didn't mind the consequences , why would you still be very unwilling to speak out against hitler and the Nazi ? Please help That is obviously a personal opinion you need to decide on and then be able to explain.

  60. English

    Hello. I'll be very grateful for your advice and help. I want to say that something was planned but did not happen. Is it possible to use the following structures: 1) He was to come but he didn't. 2) He was to have come but he didn't. Thank you very much.

  61. SCIENCE

    Didn't mean to ask but i was really curious and didn't get an answer from researching.Why is physics necessary in becoming a dentist?

  62. English

    1. He didn't bother to let me know the fact. 2. He didn't bother letting me know the fact. (Are both grammatical?) 3. Why didn't you bother to care for the boy? 4. Why didn't you bother caring for the boy? (Are both grammatical? Can we use 'to do' or 'ing'

  63. English

    1. i didn't eat applea or pears. 2. i didn't eat applea and pears. ================ #1 mean "I didn't eat apples. I didn't eat eat pears, either." Am I right? Then, what about #2? What does #2 mean in the following three sentences? Or would you paraphrase

  64. S.S.

    Why didn't Native Americans like signing papers. HA HA sorry I asked earlier. But my partner just called me and said she didn't find her answer. =P

  65. English

    1. It was his mistake that he didn't walk the dog on a lead. 2. It was his fault that he didn't walk the dog on a leash. 3. He made a mistake by not using a dog lead. 4. By mistake, he didn't walk the dog on a lead. 5. He should have walked the dog on a

  66. Chem

    1. According to the phase diagram for water, how is the state of water determined? a. proceed up a vertical line at any given temperature b. read the phase at the intersection of any given temperature and pressure c. at a given pressure, proceed

  67. BIOLOGY

    what would happen if the cell plasma membrane was hydrophilic? how would this affect molecular movement?? The links didn't answer my question...thanks Sra but they didn't help

  68. English

    1. What are people in the Netherlands hoping for? 2. What are people of the Netherlands hoping for? -They are hoping for another cold weather. -------------------- Which is right, 'in' or 'of' before the Netherlands? 3. How long didn't the race take place?

  69. Algebra

    7(√6/32) I came until 7(√192/32). How do I proceed from here?

  70. People

    who is a famous person who didn't go to college or didn't graduate high school and is in bad shape because of it. (aka is poor or cant get a job or turned into a criminal etc)

  71. English

    Hello. Please check the structures: He and his wife didn't have bank accounts. He or his wife didn't have... Both he and his wife didn't have... Neither he nor his wife had ... THANK YOU FOR HELP.

  72. English

    1. He could have given me some advice. (Does this sentence mean that he didn't give me some advice?) 2. He cold have told a lie. (Does this sentence mean that he didn't told a lie? Or does #2 mean #3?) 3. He may have told a lie. • English - Writeacher,

  73. History

    Why was president Johnson impeached and do you think it was the right action to take? * I have to write a paragraph on this and was wondering if someone could explain it a little better to me because from what im reading it says the impeachment didn't work

  74. life science

    What does Glycolysis reaction need to proceed?

  75. science

    what does the Krebs cycle need to proceed?

  76. English

    Can you please check these sentences and tell me which one are possible? Thank you. 1) He didn't let on the secret to anyone. He didn't let out the secret to anyone. 2) He didn't let on that he knew Mary's secret. He didn't let out that he knew Mary's

  77. Social Studies CHECK MY ANSWERS

    Which criticism did Tillman direct at Conservatives? A.They controlled the office of governor. B.They didn't think blacks should vote. C.They believed in white supremacy. D.They didn't care about common people. Is it C

  78. English Grammar

    1. If they had tried their best, they would have succeeded in the interview. (subjunctive mood) 2. As they didn't try their best, they didn't succeed in the interview. 3. As they didn't try their best, they wouldn't succeed in the interview. 4. As they

  79. chemistry

    (c) some properties of the two compounds are listed below: compound X: compound Y: melting point -144C -138C boiling point 78C -22C net point Yes Yes functional group Alcohol Ether (i.) Draw plausible Lewis Structures of compounds X and Y. (ii.) In which

  80. Physics

    A blacksmith dropped a 1.5kg iron bead at 300c into some quantity of water. If the temperature of the water from 15c to 18c, what is the mass of water assuming no heat is lost to the surrounding?(Take the specific heat of iron as 0.46jkg-1 and that of

  81. bio

    Why do enzymatic reactions proceed slowly at 0°C?

  82. english

    Hi..I need to rewrite this passage as formal. Walker wants to see you at eight sharp tomorrow. He didn't say what was hassling him but he looked pretty uptight. Why do you think he's on your case? You didn't skip yesterday did you? You don't think he's on

  83. English

    1. I didn't knwon anyone in my room. 2. I knew no one in my room. 3. I knew nobody in my room. 4. I didn't know all the students in my room. 5. I didn't know all the classmates in my room. ============= If "I" is a student, do all the sentences mean the

  84. Pre-Calc

    Determine the solution. x^2=|x|algebraically I have no idea how to proceed with this. Can you please help?

  85. English

    1. It was his fault that he didn't put a leash on his dog. 2. He should have walked his dog with a leash on. 3. He should have walked the dog with a leash on his collar. 4. It was his mistake that his didn't tie his dog to the collar. He should have used a

  86. Math (advice)

    So in my calculus class we learned about implicit differentiation today. The professor would stop and ask if we had any questions, which was nice. I didn't ask any questions though, because I don't really like to ask questions during class. I didn't really

  87. english

    I need help ASAP on this im writting a 6 paragraph essay and its due tomorrow i cant even think of a thesis its "Discuss the irony as its used in Animal Farm Be sure to give specific details from the novel." I need help ASSSSAAPP! I didn't realize before

  88. Summer Reading

    I didn't read my books because I didn't have English until after Christmas. I can't find my list, but I know all the ones I'm supposed to read except for one. I know this book is called "Fish." Do you have any idea who it might be by?

  89. expressions and equations

    I have a lot of homework each night and I don't get it at all one question was 0.5(12z-7)-3.5z+3.5 and I got it wrong just because I didn't do it and I didn't understand it.I got 7z as my anwser.What did I do wrong?Help PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

  90. Medical Transcription

    I need to find someone who knows how to do Electronic Medical Records so I can proceed with my lessons. Thank you.

  91. English

    The most complicated journey I've ever had took place a year ago when I was going home with my friend. We even didn't leave Warsaw when the coach broke down. The driver tried to fix it by himself but he didn't manage. It took 30 minutes. We returned to the

  92. algebra

    i have four graphs and i need to find which one represents a function two of them didn't because they didn't pass the vertical line test so i got left with two who did pass it but now i don't know which one to pick since there is only one answer that's

  93. algebra

    i have four graphs and i need to find which one represents a function two of them didn't because they didn't pass the vertical line test so i got left with two who did pass it but now i don't know which one to pick since there is only one answer that's

  94. accounting

    Why didn’t more whistleblowers come forward, and why didn’t some make significant difference? How would whistleblowers have been encouraged?in enron case.

  95. Symbolic Logic

    I have to put the following arguments in standard form and wasn't sure if I was doing this correctly... 1. John didn't come home smiling, since if John got the job he came home smiling. But he didn't get the job. so I wrote: If John got the job, then he

  96. English

    1.I didn't finish the work a hundred percent. 2. I didn't finished the work completely. 3. I finished the work in part. 4. I didn't finished the work at all. -------------------- Are #1, #2 and #3 the same?#4 is not the same, right?

  97. accounting

    Enron: Why didn’t more whistleblowers come forward, and why didn’t some make significant difference? How would whistleblowers have been encouraged?

  98. to Ms. Sue

    I would like to thank you Ms. Sue I am starting to understand Distributive property more now. I didn't really understand was because the subsitute didn't really explain it that well. So thank you!!!! :-) :)

  99. history

    During and after the Revolution, why did the emancipation of slaves proceed very slowly in the northern states?

  100. Calculus

    Integrate sqrt(x^2 + x) dx I have completed the squares and got x^2-x = (x+1/2)^2 -1/4 Now i don't know how to proceed, plz help me!

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