1. physics

    A 120-V motor has mechanical power output of 3.00 hp. It is 94.0% efficient in converting power that it takes in by electrical transmission into mechanical power. Find the energy delivered to the motor by electrical transmission in 2.00 h of operation. Do i divide the power by...
  2. Finance

    The balance sheet for the Raider Company shows Total assets of $12,900 financed by $3,000 of Debt and $9,900 of Stockholders' equity. For the Target Company Total assets of $4,900 are financed by $1,800 ofDebt and $3,100 of Stockholders' equity. The Raider Company ...
  3. physics

    Pete slides a crate up a ramp at an angle of 27◦ by exerting a 242 N force parallel to the ramp. The crate moves at a constant speed. The coefficient of friction is 0.4. How much work did Pete do when the crate was raised a vertical distance of 2.22 m? Answer in ...
  4. Algebra

    Please read and then help me! (x^(-3/5)) ----------- divide x ^ (1/5) I know the problem then needs to look like this: (x^(-3/5))(x^(-1/5)) (multiply the two above) Then it needs to look like this: (I can't write it though, so I'll tell you) The 5th root out of (x^(-3)(x^(-1) ...
  5. Physics

    An ideal gas at 6.0°C and a pressure of 1.92 105 Pa occupies a volume of 2.10 m3. (a) How many moles of gas are present? moles (b) If the volume is raised to 4.60 m3 and the temperature raised to 30.5°C, what will be the pressure of the gas? Pa
  6. physics

    An ideal gas at 18.5°C and a pressure of 1.54 105 Pa occupies a volume of 2.10 m3. (a) How many moles of gas are present? moles (b) If the volume is raised to 5.30 m3 and the temperature raised to 31.0°C, what will be the pressure of the gas? Pa
  7. random variables

    For the standard normal random variable Z, compute the following probabilities. For the following problems, use four decimal places. 16. P (0 less than or equal to Z less than or equal .9) 17. P (-1.3 less than or equal to Z less than or equal to) 18. P(Z > 2.5) 19. P(Z ...
  8. Physics HELP!!

    A steel ball is hung from a vertical ideal spring where it oscillates in simple harmonic motion with a period T . At time t = 0 s, the ball is at its maximum displacement, A , from its equilibrium position. In terms of the period, at what time will the ball be at y = 0.75 A ? ...
  9. Chemistry

    At a certain temperature, the Kp for the decomposition of H2S is 0.813. H2S (Two wa arrow) H2(g) + S(g) Initially, only H2S is present at a pressure of 0.280 atm in a closed container. What is the total pressure in the container at equilibrium?
  10. Physics

    A pulley is holding two masses-0.5 kg and 2.0 kg. The system is in static equilibrium; the pulley is frictionless; the string is massless. What is the tension of the string holding the pulley?
  11. chemistry

    Does an insoluble solid dissociate into ions? Is the reaction reversible? Will an equilibrium reaction form when a chemical reaction forms an insoluble solid? Why, or why not?
  12. Chemistry

    A beaker contains 50 gm water at 20 degree c.How much water having temperature 60 degree C should be added to have an equilibrium temperature of 40 degree c?
  13. math

    The "wapple" of a number is defined as the number of positive odd intergers less than that number. 1. what is the wapple of 19? 2.If the wapple of x is equal to 5, what is the wapple of x + 6?
  14. Algebra

    Solve the inequality 1. m - 7 < 6 2. x + 4.5 more than or equal to 5.5 3.p + 12 > 9 4. Translate the following statement into an inequality: Five less than a number is at least nine. x - 5 more than or equal to 9 Show me how you did the work please?
  15. Economics

    In long-run equilibrium there will be no economic profit in a purely competitive static economy because: 1- barriers to entry will prevent profit from arising. 2-there will be no uncertainty, no innovations, and no monopoly. 3- there will be no need for professional managers ...
  16. Economics

    In long-run equilibrium there will be no economic profit in a purely competitive static economy because: A) barriers to entry will prevent profit from arising B) there will be no uncertainty, no innovations, and no monopoly C) there will be no need for professional managers ...
  17. Chemistry

    Iodine is mainly found in water in the trioxide ion, I3 which is formed by the combination of molecular iodine, I2 and Iodide, I-, according to the equation: I2(aq) +I-(aq) <----> I3(aq) QUESTION: how does the system in the equilibrium seem to respond to the changes ...
  18. math

    The number of days, d, it takes for a construction crew to repave a certain road varies inversely as the number of workers, w, that work on the project. So my equation is d = k/w If w = 16, how do I find d? d = k/16 Also, why is Y = 2x^2 + 3√x not a quadratic equation? It's ...
  19. chemistry

    Which of the following statements is true of a solution at pH 7? A. Kw and Kb are equal. B. Kw and Ka are equal. C. Kw, Ka and Kb are equal. D. Ka and Kb are equal.
  20. Math

    I need help with these questions: Copy the equations. Add brakcets to make each one true. a) 7 - 5 to the 4th power divided by 8 = 2 b) 3 x 2 - 5 to the 10 power = 1 c) 39 - 4 + 6 divided by 3 to the 2nd power = 3
  21. math

    The ratio of the monthly incomes of A and B is 4:3 . The ratio of their monthly expenditures is 5:4 . If A saves one fourth of his monthly income, find the ratio of their monthly savings. Help me solving this please!!
  22. Math - Ratios

    A pet store sells mice in 2 colors: brown and white. If 3/5 of the mice are brown, the ratio of male mice to female mice is 2:1, and 1/2 of the female mice are white, then what is the ratio of the number of brown male mice to the number of white male mice?
  23. Math - Ratios

    A pet store sells mice in 2 colors: brown and white. If 3/5 of the mice are brown, the ratio of male mice to female mice is 2:1, and 1/2 of the female mice are white, then what is the ratio of the number of brown male mice to the number of white male mice?
  24. maths

    if the price of an orange was raised by 1/2k per orange, the number of oranges a customer can buy for #2.40 wil be less than 16.what is the price of an orange
  25. Chemistry

    I have this question in front of me concerning Methanol (CH3OH) & how geseous methanol is formed via the following thermochemical equation: CO(g)+2H2(g)¡êCH3OH(g)∆H=-90kJ . Now, it asks me (explanations should show a clear understanding of how Le Chatelier¡¯s ...
  26. organic chemistry

    in gas chromatography, why do E1 and E2 give different peaks (areas) though it's the same compound?? dehydration of a secondary alcohol proceeds readily with the presence of strong acid and proceeds with E1 mechanisms. Removing product from chemical system at equilibrium ...
  27. Pre-Calc (ugent!!!)

    If a number is selected at random from the set of all five digit numbers in which the sum of the digits is equal to 43, compute the probaility that this number is divisible by 11.
  28. Algebra proof

    Prove that if w,z are complex numbers such that |w|=|z|=1 and wz\=-1, then w+z/1+wz is a real number I so far i have determined that w and z both have to equal less than one, but i cannot figure out how to prove this. if wz does not equal one it must mean that w and z both ...
  29. Spanish Help please

    1. Mamá, me quité la ropa vieja y sucia. Ahora llevo la ropa nueva que me compraste. ¡Qué guapo _______ hoy, Julio! A. eres B. eras C. estás D. fuiste I said C 2. Cuando estoy muy cansado, no me gusta usar la escalera. Prefiero usar ________. A. la entrada o la salida B. ...
  30. Chemistry

    Cr(OH)3<-->Cr+3+3OH which direction will equilibrium change if CrCl3 is added and why. which direction will it change if HCL is added and why?
  31. Chemistry

    Consider the reaction: PCl3(g) + Cl2(g) PCl5(g). If [PCl3] = 0.78 M, [Cl2] = 0.44 M, and [PCl5] = 0.88 at equilibrium, what is the value of K? A.0.39 B.1.4 C.2.6 D.0.72 Thanks!
  32. economics

    3. Consumer spending on durables falls, draw a graph to analyze the effects of this change in real interset. 4. The Canadian demand for Mexican Pesos is downward sloping and supply of pesos is upward sloping. Assume a system of flexible exchange rate between Mexico and Canada...
  33. economic

    3. Consumer spending on durables falls, draw a graph to analyze the effects of this change in real interset. 4. The Canadian demand for Mexican Pesos is downward sloping and supply of pesos is upward sloping. Assume a system of flexible exchange rate between Mexico and Canada...
  34. Chemistry

    I have another similar problem. I have calculated everything given (Correctly), but I can't seem to get the right pH for the stoichiometric point (I keep getting 7.16) Question: Suppose that 50.0 mL of 0.25 M CH3NH2(aq) is titrated with 0.35 M HCl(aq). Refer to table 1 and ...
  35. Chemistry

    If you can show me an example of one problem, I have no idea how to approach this. Calculate where the number 40.67 came from. Use the Clapeyron-Clausisus equation. Assuming that delta H vap does not change with temperature, this equation relates the change in vapor pressure ...
  36. Physics

    A cable pulls a crate of mass 19.0 kg across the floor in 6.8s. If the total distance traveled is 5.40 m, find the power used by the cable. (19)*(9.8)*(5.4)/(6.8) ) 147.9 W Raul pushes a stalled car with a force of 204 N. If the required force decreases at a constant rate from...
  37. Chemistry

    The pesticide DDT (C14H9Cl5)... Express these concentrations in ppm and in milimoles per liter. Orchard - Sample size: 250.0mL Mass of DDT: 0.030 mg Residential - Sample size: 1.750 L Mass of DDT: 0.035 mg Residential After a Storm - Sample size: 50.0 mL Mass of DDT: 0.57 mg ...
  38. Science 1 question

    5. Which of the following would be true during the inhalation phase of breathing? A. The lungs are inflated, oxygen concentration is high, and carbon dioxide concentration is low in the alveoli. B. The lungs are deflated, oxygen concentration is high, and carbon dioxide ...
  39. Chemistry

    1) Using a table of standard electrode potentials (such as the one in your textbook), calculate the standard cell potential for a cell made by placing a zinc electrode in a Zn2+(aq) solution which is connected by an electrolyte to a Ag+(aq) solution containing a silver ...
  40. Math

    Demetria is tiling a square area of her bathroom floor. For every 13 white tiles used, she wants to use 12 gray tiles. Draw a grid , 5 squares by 5 squares, then shade the tiles to show a pattern that would match the ratio of white tiles to gray tiles that Demetria would like ...
  41. Math

    Can someone please help me write this statement out in formula form. There should be two formulas. Question.... Three times the larger of two numbers is equal to four times the smaller. The sum of the numbers is 21. Find the numbers. If we let X = larger number and Y = smaller...
  42. chemistry

    Radioactive materials are often used in biological studies. A radiation biologist studies the rate of decomposition of a certain substance and obtains the following data: Time(days) 0 4.0 8.0 12.0 16.0 Mass (μg) 15.50 10.90 7.67 5.39 3.79 Determine the rate constant in ...
  43. Algebra 1- Math

    The sum of a smaller number and twice a larger number is 67. If the smaller number is increased by 5, the sum will equal the larger number. Find the numbers. A rectangles width is four more than twice its length. Its perimeter is 62. Find the dimension of the rectangle?
  44. Chem

    A 11.9-g sample of a gas has a volume of 5.25L at 30 degrees celsius and 762mm Hg. If 2.4g of the same gas is added to this constant 5.25-L volume and the temperature raised to 64 degrees celsius, what is the new gas pressure?
  45. math

    the number of blocks has 9 in the ones place.The number in the hundreds place is onemore than the number in the tens place.Those two numbers equal 11.How many blocks are there?
  46. math

    the mystery number is an odd number. The digit in tens place is equal to digit in the ones place. The sum of the digit is more than 10 and less than 15. what the number?
  47. Ap Chemistry

    I have no idea where to start with this problem: A certain reaction has the following general form: aA -> bB At a particular temperature and (A)o = 2.00(10^-2)M, concentration versus time data were collected for this reaction, and a plot of In(A) versus time resulted in a ...
  48. AP Chemistry

    I have no idea where to start with this problem: A certain reaction has the following general form: aA -> bB At a particular temperature and (A)o = 2.00(10^-2)M, concentration versus time data were collected for this reaction, and a plot of In(A) versus time resulted in a ...
  49. physics

    A particle moving in simple harmonic motion passes through the equilibrium point (x=0) 9 times per second. At t=0t=0 its velocity at x=−0.01 m is negative. It travels 0.4 m in a complete cycle. The particle's position as a function of time is described by the following ...
  50. chemistry

    At 298K, Go = -141.8 kJ for the reaction 2 SO2 + O2 in equilibrium with 2 SO3 Calculate the change in Gibbs free energy (in kJ) at the same temperature when P (SO2) = 0.505 bar, P (O2) = 0.80 bar and P (SO3) = 1.317 bar. (R = 8.314 J/K mol)
  51. Macroeconomics

    (Monetary Policy and Aggregate Supply) Assume that the economy is initially in long-run equilibrium. Using an AD–AS diagram, illustrate and explain the short-run and long-run impacts of an increase in the money supply.
  52. MATH 115

    I have math questions I need to check my answers can you please help me 1. 4x4x4x4x4 as a power of 4 answer 4 to the fifth power 2.a bedroom is 10 ft by 11 ft what is the perimeter? answer 42 ft evaluate 72/8-9/3=6 3.Jamal is fencing a rectangular field that measures 25 ft by ...
  53. physics

    In a large hotel, a fast elevator takes you from the ground floor to the 21st floor. The elevator takes 17 s for this trip: 5 s at constant acceleration, 7 s at constant velocity, and 5 s at constant deceleration. Each floor in the hotel has a height of 2.5 m. Calculate the ...
  54. economics

    Consider an open economy in which the central bank targets the interest rate. Fill in the blanks in the following statement using the options below: If the central bank sells domestic currency in the foreign exchange market then, ceteris paribus, unless it carries out open ...
  55. chem

    Consider two identical iron nails: One nail is heated to 95 °C, the other is cooled to 15 °C. The two nails are placed in a coffee cup calorimeter and the system is allowed to come to thermal equilibrium. What is the final temperature of the two nails?
  56. National Government

    The principal powers of Congress include all except the power of the purse. the power to declare war. implied powers. x the power to hire generals.
  57. economic

    If the Government fixes the price of this product at $2 explain what would happen in the market. Draw a supply and demand curve for "this" product. Is the fixed price above or below the market equilibrium? Depending on how you answer, there should be a shortage or a suplus of...
  58. Organic chemistry

    I know that sulfuric acid acts as a catalyst and removes water to help shift the equilibrium to form more productin an esterification. Can someone tell me if it is consumed? My thought is no. If I am right, can someone tell me why it is not consumed. If wrong, still please ...
  59. Organic chemistry

    I know that sulfuric acid acts as a catalyst and removes water to help shift the equilibrium to form more productin an esterification. Can someone tell me if it is consumed? My thought is no. If I am right, can someone tell me why it is not consumed. If wrong, still please ...
  60. Molly

    The CoolWheels Toy Company is designing a new track where a car (mass 60 g) is launched by a spring-loaded starter (k=11 N/m) and goes through a vertical loop (radius 9 cm). If the spring is depressed ∆x=19 cm from equilibrium, what is the speed of the car at the top of ...
  61. Physics

    a 35 g ice cube at 0.0 C is added to 110 g of water in a 62 g aluminium cup. The cup and the water have an initial temperature of 23 C . Find the equilibrium temperature of this system? in Celsius ,, I've been trying to solve this for 2 hours now , and I still can't get the ...
  62. Physics

    Two small balls each of mass 15g are fastened to the ends of silk threads 1m long each and hung from a common point. They attain equilibrium at a distance of 20cm from each other. If one ball has a charge of -0.6microC, what is the charge of the other ball?
  63. physics

    Two metallic spheres, each with a mass of 0.46 g are suspended as pendulums by light strings from a common point. They are given the same electric charge, and the two come to equilibrium when each string is at an angle of 5.2° with the vertical. If the string is 21.0 cm long...
  64. Physics

    A block of iron at 415°C is put into a 0.625 kg tub of water at 15.0°C. They come to equilibrium at 100°C, and 0.144 kg of the water boils off to steam. What is the mass of the iron block? Please help, it keeps saying I have the wrong answer.
  65. Chemistry

    A 15.00 g chunk of lustrous silver metal is heated to 50.0 degrees C and is then placed in a coffee cup calorimeter containing 50.0 mL of water at 15.30 degrees C. After equilibrium, the water temperature is measured to be 16.56 degree C. Suggest which metal or metals could ...
  66. chemistry

    A sample of NH4HS(s) is placed in a 2.57 −L flask containing 0.140 mol NH3(g). NH4HS(s)⇌NH3(g)+H2S(g)KP=0.108at25∘C What will be the total gas pressure when equilibrium is established at 25∘C? any idea on how to solve it like an outline? Thanks
  67. Econ Online

    Analyze what happens to the market for cheeseburgers if the price of the cheese rises (cheese being the part of the cost of a cheesburger). Be specific and explain (or is not affected) for each of the following: 1. supply curve 2. the demand curve 3. the equilibrium quantity 4...
  68. physics

    A 715 gram grinding wheel 29.5 {\rm cm} in diameter is in the shape of a uniform solid disk. (We can ignore the small hole at the center.) When it is in use, it turns at a constant 210 {\rm rpm} about an axle perpendicular to its face through its center. When the power switch ...
  69. math

    when adding and subtracting integers does 2 negatives equal a positive? And does 1 positive plus 1 negative number equal a negative?
  70. Math help, anyone?

    Solve the proportion. Where necessary, round to the nearest hundredth. Plz help i really need 2 get this in!! 11. 9/10 = x/10 9 *** 90 10 100 12. x/4 = 6/7 168 0.21 28 3.43 13.Write the ratio as a fraction in simplest form. 22:36 14. Write the ratio as a fraction in simplest ...
  71. pre-calculus urgent

    Please help me here as well to clarify more my understanding. Let a1, a2, a3, . . . be a geometric sequence with initial term a and common ratio r. Show that a1^2, a2^2, a3^2, . . . is also a geometric sequence by finding its common ratio. Given that the ratio for a1, a2, a3...
  72. ratio pls help asap

    divide £180 into 3 parts in the ratio of 3:2:4 divide 108 children into 3 groups in the ratio of 5:3:4 thank you for reading my questions
  73. Chemistry(Please help!!)

    For a chemistry lab the experiment was to carry out an acid-base titration to determine the exact concentration of a sodium hydroxide solution. Two trials were completed and the data collected was: mass of weighing paper, mass of weighing paper + KHP, mass of KHP, initial ...
  74. Math

    The local zoo has 3 lions, 4 elephants, 2 giraffes, 5 monkeys, and 2 zebras. What is the ratio of zebras to total animals? My Answer: I already know this 3x:4x:2x:5x:2x=16x So 16 total animals 16x=2 x=8 So then the ratio of zebras to the total number of animals is 8 Can you ...
  75. MATH(HELP)

    The ratio of guppies to angelfish in a shop was 2:3. The number of angelfish was 2/3 the number of gold fish. The shopkeeper decided to replace 1/4 of the guppies with some angelfish. The number of angelfish in the end. How many guppies were in the shop in the beginning?
  76. Microeconomics

    6.) "Since peaking in 1976, per capita beef consumption in the United States has fallen by 28.6 percent... [and] the size of the U.S. cattle herd has shrunk to a 30-year low." a.) Using firm and industry diagrams, show the short-run effect of declining demand for beef. Label ...
  77. chemistry

    What is the concentration oh hydrogen ions in a solution containing .676 M HOCN and .413 M NaOCN? The ionization constant of cyanic acid is 3.5 x 10^-4. Answer in units of M.
  78. Chemistry

    What is the concentration of an unknown potassium dichromate solution with an absorbance of 1.603 at 345nm? (The path length is 1 cm, molar absorptivity constant = 0.412 A.mol-1.cm-1 )
  79. Biology - Diffusion

    I know diffusion is movement of matter from high to low concentration. Does that mean that it will try to make the molarity of both sides equal?
  80. Spanish Help

    1. ¿Te divertiste anoche en el baile? Sí, pero ____ demasiada gente. Era imposible bailar bien. A. era B. habían C. había D. eran I said C 2. En una fiesta familiar, ¿quién es la primera persona que _____ y sale? Yo, porque siempre tengo que levantarme temprano. A. se ...
  81. Chemistry

    I'm having trouble understanding rate laws and manipulating them. So, for example, the rate law is rate= k[CO2][O3]. I was taught, maybe if I am just forgetting some pieces(been awhile), if I were to triple/double the partial pressure of CO2/O3, the rate of that element would ...
  82. science

    Al + Fe^3+ -> Al^3+ + Fe^2+ which substance is being oxidized?which is being reduced? which substance is oxidizing agent? reducing agent? how many electrons are exchanged in the reaction above? also: why is Fe^3+ not reduced to Fe? Oxidation is the loss of electrons. ...
  83. PHYSICS

    Express following measurements in scientific notation. 1. a) 5800 m I don't even get what scientific notation is. In my book its ays, that in Scientific notation, the numerical part of a measurement is expressed as a number between 1 and 10 multiplied by a whole-number power ...
  84. Calculus

    How would you begin this problem? On a standard summer day in upstate New York, the temperature outside can be modeled using the sinusoidal equation O(t) = 11 cos (pi/12 t) + 71, where t represents the number of hours since the peak temperature for the day. For 0 less than or ...
  85. Chemistry

    Iron reacts with sulfur to form a sulfide. If 2.561 g of iron reacts with 2.206 g of sulfur, what is the simplest formula of the sulfide? I don't know how to go about doing this problem. The answer is Fe2S3. Calculate the moles of iron in 2.561 grams of iron. Then calculate ...
  86. science

    I need a little assistance. Can you help? The question which seems to be simple enough is What is a physical change? My son answered - A physical change is any change that alters the form or appearance of matter into a different substance. I do not agree. He is missing ...
  87. Calculus

    True or false. 1. If F'(x) = G'(x) on the interval [a,b] then F(b)-F(a) = G(b)-G(a). I think it's true but I just want to check my reasoning. F'(x) = G'(x) means that F(x) and G(x) differ by a constant (which may be 0). When the subtraction is done to find the definite ...
  88. Algebra I

    My substitute teacher gaves us a worksheet that asks us to do problems we've never had before. How do I do unions and intersections on a number line using inequalities? Is there a formula for this? Example: A intersects C A={x|x>-3} C={x|x greater than or equal to 0} ...
  89. Math

    Is the following statement always, sometimes, or never true for numbers greater than zero: "In equivalent ratios, if the numerator of the first ratio is greater than the denominator of the first ratio, then the numerator of the second ratio is greater than the denominator of ...
  90. us history

    which type of government has the power to make marriage and divorce laws? the power to declare home rule belongs to with type of government? who has the power to relate educatoin? who has the power of local government that is not shared with the state government? what is ...
  91. mechanics of materials

    A metal bar with a cross-sectional area of 50mm2 is subjected to a tensile strain of 0.001. What is the tensile force responsible for the strain given that the material has a Young's modulus of 15GNm raise to the power -2 A 0.003N B 7.5x10 raise to the power 3 C 7.5x 10 raise ...
  92. Chemistry

    How can i calculate the concentration of each ions remaining in the solution after precipitation is complete? ok heres the full question:: 2KOH + Mg(NO3)2 -------------> 2KNO3 + Mg(OH)2 a 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed with 100.0mL of 0....
  93. chemistry

    How can i calculate the concentration of each ions remaining in the solution after precipitation is complete? ok heres the full question:: 2KOH + Mg(NO3)2 -------------> 2KNO3 + Mg(OH)2 a 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed with 100.0mL of 0....
  94. chemistry

    How can i calculate the concentration of each ions remaining in the solution after precipitation is complete? ok heres the full question:: 2KOH + Mg(NO3)2 -------------> 2KNO3 + Mg(OH)2 a 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed with 100.0mL of 0....
  95. Chemistry

    How can i calculate the concentration of each ions remaining in the solution after precipitation is complete? ok heres the full question:: 2KOH + Mg(NO3)2 -------------> 2KNO3 + Mg(OH)2 a 100.0 mL aliquot of 0.200 M aqueous potassium hydroxide is mixed with 100.0mL of 0....
  96. Maths

    Sam used cement and sand to prepare a mixture. The ratio of the number of pails of cement used to the number of pails of sand used was 1:2. Sam then added 8 more pails of cement and the ratio became 5:2. A.) How many pails of cement was used at first? B.) How many pails of ...
  97. Chemistry

    A patient with untreated diabetes may have a blood concentration of acetone of 20mg/100mL. Determine the molar mass of acetone and use this number to convert this concentration to mol/L. Okay, so I was able to determine the molar mass of acetone (= 58.09g/mol) however, i'm not...
  98. physics

    suppose an experimental arrangement like the one in part 2 has mass m1= 0.200kg at the 0.100m mark and a mass m2=0.100 kg at 0.750m mark. Can the system be put in equilibrium by a 0.050kg mass? if it can not be done state where it would be placed. If it cannot be done, state ...
  99. Chem 1046

    Consider the reaction: I2(g) + Cl2(g) 2 ICl(g) Kp = 81.9 at 25°C Calculate ΔGrxn for the reaction at 25°C under each of the following conditions: (a) standard conditions (b) at equilibrium (c) PICl = 2.48 atm; PI2 = 0.321 atm; PCl2 = 0.219 atm
  100. Physics

    A drawbridge with a weight of 5000 N is supported by a hinge and rope and is in static equilibrium. The length of the drawbridge is 5 m and the rope is attached to the draw bridge a distance of 4 m from the hinge. What is the tension force rope provides? Can you show me steps ...
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