Questions Asked on
March 2, 2013

  1. Chemistry

    Imagine two solutions with the same concentration and the same boiling point.? Imagine two solutions with the same concentration and the same boiling point, but one has ethanol as the solvent and the other has carbon tetrachloride as the solvent. Determine

    asked by Dee
  2. chemistry

    A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s cooling system holds 4.20 gallons, what is the boiling point of the solution? Make the following assumptions in your

    asked by Morgan Parker
  3. Chemistry

    KClO3 dissociated in H20 should form a neutral solution. The results proved to be a slightly acidic solution with a pH of 6. What happened?

    asked by Misha
  4. Physics

    An air-track cart of mass 0.10 is moving with a speed 1.2 to the right when it collides with a cart of mass 0.24 that is at rest. Each cart has a wad of putty on its bumper, and hence they stick together as a result of their collision. Suppose the average

    asked by Madison
  5. CHEMISTRY HELP!

    Calculate [Cu2+] in a 0.10 M CuSO4 (aq) solution that is also 6.4 M in free NH3 . Cu2+(aq) + 4NH3(aq) --->[Cu(NH3)4]2+ (aq) kf = 1.1 x 10^13

    asked by Leslie
  6. chemistry

    Find the concentration of calcium in ppm in a 3.5g pill that contains 40.5mg of ca? Answer 1.16ppm Bob helps me

    asked by Fai
  7. Math

    a banner requires 1 1/2 sections of plastic. How many banners can be made from 12 sections of plastics? A.7 B.8 C.9 D.15

    asked by Derek
  8. Chemistry

    How many formula units are in 67.69 grams of salt? How many molecules are in 44.99 grams of water?

    asked by Leigh Green
  9. Chemistry

    A solution is made by mixing 37.0 mL of ethanol, C2H6O, and 63.0 mL of water.? Assuming ideal behavior, what is the vapor pressure of the solution at 20 °C? ethanol: 0.789 g/mL 43.9 torr water : 0.998 g/mL 17.5 torr

    asked by Dee
  10. English

    Click on the box to choose whether the italicized sentence supports the key sentence. Key Sentence: Alexander Solzhenisyn had much tragedy in his life. He became a victim of cancer while in prison.no or yes He later moved to America. yes or no His book One

    asked by ty
  11. Physics

    Four students measure the mass of an object, each using a different scale. They record their results as follows: Student A B C D Mass (g)49.06 49 50 49.1 E 49.061 Which student used the most precise scale?

    asked by Frank
  12. CHEMISTRY HELP PLEASE!!

    0.350L of 0.160 M NH3 is added 0.140 L of 0.100 M MgCl2 . How many grams of (NH4)2SO4 should be present to prevent precipitation of Mg(OH)2 (aq) ? The Ksp of Mg(OH)2 is 1.8 x 10–11.

    asked by Marissa
  13. Math

    the international links long-distance phone company charges no monthly fee but charges 18 cents per minute for long-distance calls. the world connections long distance company charges $50 per month plus 10 cents per minute for long-distance calls. compare

    asked by Larissa
  14. Geometry - Dilation of a square

    The preimage of square ABCD has its center at (8,-8) and has an area of 4 square units. The top side of the square is horizontal. The square is then dilated with the dilation center at (0,0) and a scale factor of 2. What are the coordinates of the vertex

    asked by Knights
  15. Calculus

    Find the length of the arc formed by x^2=9y^3 from point A to point B, where A=(0,0) and B=(81,9) Please help, I have no clue as to where to go with this problem! Thanks!

    asked by Anonymous
  16. Chemistry

    A mixture is prepared by adding 25.0 mL of 0.185 M Na3PO4 to 34.0 mL of 0.140 M Ca(NO3)2. (a) What mass, in grams, of calcium phosphate will be formed? What will be the concentration of each of the ions in the mixture after the reaction? (b) [Ca2+] (c)

    asked by Freddy
  17. calculus

    sorry to ask a second question so soon, but i'm just not getting this one. if f(x)= 3x lnx, then f'(x)=? i used f'(x)=3x(D lnx) + D (3x) (lnx) f'(x)=3x (1/x) + 3 (lnx) so... f'(x)=3+3lnx or 3(1+lnx). unfortunately that isn't one of the possible answers

    asked by ken
  18. geometry

    find k if one of the lines given by kx^2+10xy+8y^2=0 is perpendicular to 2x-y=5

    asked by karan
  19. chemistry

    If Kf = 1.86C/m, how many grams of calcium chloride must be added to 1.0L of water (assume a density of 1.0 g/mL) to lower the freezing point 4.0 C?

    asked by Dee
  20. Manufacturing Process

    Write out the full name of and list three properties of each type of ARC welding process shown below: SMAW FCAW GTAW

    asked by Junbhe
  21. physical science

    Hypothesize how the pH of white vinegar would change if an ammonia solution was added to it a drop at a time. White vinegar has a pH of 3.1

    asked by Roxana
  22. computer

    Using pseudocode, write a program on how you turn a corner in an automobile. Note that there is a stop sign in the intersection. Determine the logical steps involved and write the pseudocode. Consider the following questions when completing your

    asked by kim
  23. calculus

    A cylindrical container is to hold 20π cm^3. The top and bottom are made of a material that costs $0.40 per cm^2. The material for the curved side costs $0.32 per cm^2. Find the height in centimeters of the most economical container.

    asked by lisa
  24. biology

    for a lab it says prepare a 300 ml of .2% sodium bicarbonate solution. I am trying to find how many grams of NaHCO3 i need. so i did 300ml X .002 and got .6ml of NaHCO3. but how do I convert that to grams of NaHCO3

    asked by Sarah
  25. Probability

    An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will be $355,000. If only natural gas is hit, the income will be $130,000. If nothing is hit, there will be no income. If the

    asked by Stacy
  26. Math

    1. Errol uses 1/3 can of wet dog food for his dog, Muddy, each day. how many servings will he get from 5 cans of dog food?

    asked by Gingercorb
  27. Chemistry

    Suppose a can contains a residual amount of gas at a pressure of 755 mm Hg and a temperature of 25 °C. What would the pressure be if the can were heated to 1155 °C?

    asked by Amee
  28. History

    Why did many progressives on either side of WW1 see America's entry into the war as an opportunity? What did the progressives accomplish during the war that they felt was positive?

    asked by Molly
  29. English

    Which of the following words is different from the others? A. Sell B. Trade C. Barter D. Bargain

    asked by Derek
  30. physics

    a mass of 0.2kg is attached to a spring of negligible mass. if the mass executes simple harmonic motion with a period of 0.5s, what will be the spring constant?

    asked by naynay
  31. Math

    There are 38 animals at a farm.some are cows some are chickens all together there are 124 legs . How many cows and how many chickens?

    asked by James
  32. Chemistry

    Calculate the energy of a photon of frequency 35.0 MHz (MHz is a mega hertz or 1 x 106Hz).

    asked by Laura
  33. statistics

    The composition of the 108 congress was 51 republican 48 democrats and 1 independent.a committee on aid to higher education is to be form with 3 senators to be chosen random to head the committee. find the probability that the group of 3 consist of, all

    asked by Marie
  34. Com/330

    What are two practical applications for communications research?

    asked by Anita
  35. english

    Identify the nouns and verbs; Life is full of choices, so I must learn to make good ones.

    asked by kitha
  36. Math

    How would I solve this part of the Fibonacci sequence piecewise function? f(n) = f(n-1)+f(n-2) if n > 1. Thanks

    asked by Shadow
  37. Finance

    Use the “balance sheet equation” to determine owners’ equity if liabilities are $5 million and assets are $10 million. Assets = Liabilities + Owners’ equity

    asked by Jason
  38. programming (C#)

    Write a console-based program that accepts a user's message and determines whether it is short enough for a social networking service that does not accept messages of more than 140 characters.

    asked by Jackie
  39. Science

    An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.

    asked by Anonymous
  40. Physics

    The average power output of a human heart is 1.3 3 Watts. You had to pay for this energy at Wis consin Energy’s rate of $0.12061 per kWh (kiloWatt hour), what is the cost?

    asked by Meder
  41. MATHS-traingles

    one of the exterior angles of a triangle is 126 degree and the interior opposite angles are in the ratio 2:4. Find the angles of the triangle.

    asked by anchal
  42. maths

    If the point A(1,-2), B(2,3), C(-3,2), and D(-4,-3) are vertices parallelogram ABCD, then taking AB as the base , find the height of this parallelogram

    asked by sana
  43. english

    are there any figurative language in the book Witch hunt the mysteries of salem?

    asked by Mimi
  44. maths

    if the points A(-1,2) , B(2,3) , C(-3,2) and D(-4,-3) are the vertices of parallelogram ABCD, then taking AB as the base , find the height of this parallelogram .

    asked by roopal
  45. Math Perimeter

    write as a decimal seven and eighty-seven hundreths

    asked by Sharon
  46. Physics

    An electron is projected, with an initial speed of v= 2.18e+05 m/sec, directly towards a proton that is essentially at rest. If the electron is initially a great distance from the proton, at what distance from the proton is its speed instantaneously equal

    asked by Phy
  47. AP chemistry

    what is the volume occupied by a mixture of 25.7 g of NO2 and 13.9g of SO2 at STP

    asked by Anonymous
  48. chemistry

    a solution contain 0.50M propionic acid and 0.20M sodium propionate calculate ph? ka=1.3 × 10^-3

    asked by kanks
  49. calculus

    Suppose you have 400 meters of fencing and you wish to enclose a rectangular space with two parallel partitions: What is the maximum total area of the enclosed space, in square meters?

    asked by lisa
  50. math

    Classify the finacial problem. Assume a 7% interest rate compounded annually. Find the value of a $ 1,000 certificate in 4 years. a) sinking fund, b) ordinary annuity, c) future value, d) present value e) amortization.

    asked by Andrew
  51. child care managemen . resource file graded projec

    do you guys have the penn foster resource file graded project ? if you do , can you guys help me please ?

    asked by Denise
  52. Physics

    what is the power dissipated in an ac circit in which current v=230sin(wt+90) and I=10sin(wt)...plz help me

    asked by Abhishek
  53. maths

    heather loves roses.in her rose garden she has half as many pink roses as red,and four time as many red ones as white.there are 37 roses that are either yellow or white.twenty are yellow.how many roses are in heather's garden.

    asked by sarah
  54. Physics

    A child with a mass of 35.0 kg climbs onto a water slide that is 2.00 m above the water as shown. The child does not push off, and so is at rest when the sliding begins. The slide is very slippery, and is considered frictionless. (i) What is the work done

    asked by Meder
  55. Physics

    Could someone please explain how you get this answer??? A skier with a mass of 60.0 kg pushes off with a horizontal speed of 3.0 m/s from the top of a snow covered hill. As he slides down the hill, his height decreases by 42 m over a distance of 100 m of

    asked by Demere
  56. chemistry

    Assume that 50ml of 0.01M edta solution were added to 25ml of co solution and the excess edta required 20ml of 0.005M mg solution. Calculate ppm co+ present. The answer 942ppm Bob helps me

    asked by Fai
  57. maths

    A particle of mass 4 kg is attached to one end of an inelastic string and a particle of mass 2 kg is attached to the other end of the string.The string has length 4m and is hung over a smooth pivot at its midpoint. The Pivot lies 3m above the ground.How

    asked by Jess
  58. Science

    Calculate the wavelength of a proton with energy 2.45 eV. Enter the numerical value in m

    asked by Anonymous
  59. geometry

    Let ABC be a right triangle with ACB =90, AC =6 , and BC =2. E is the midpoint of AC , and F is the midpoint of AB . If CF and BE intersect at G , then cos(CGB), in simplest radical form, is ((k square root w)/f) where k , w , and f are positive integers.

    asked by Anonymous
  60. MA130

    How many four-digit numbers abcd exist such that a is even, b is divisible by 5, c is prime, and d is odd?

    asked by Enis
  61. Sci

    when a large amount of FeCl3 is dissolved in water, a clear solution is formed at the beginning but eventually a precipitate is formed. Why? Explain with chemical equation.

    asked by T
  62. augusta state

    What is the final concentration of d at equilibrium if the initial concentrations are a = 1.00 and b = 2.00 ?

    asked by e
  63. Biology

    Distinguish between breathing and respiration , i wrote: Breathing is the process of taking in oxygen and eliminating carbon dioxide. Respiration is the breakdown of oxygen in the body- although both are needed for all living organisms Is this true? If not

    asked by Heleny
  64. physics

    A projectile is launched at a 60 degree angle above the horizontal with an initial velocity of 35.5 m/s. What is the projectile's velocity (magnitude and direction) 1.50 s into the flight?

    asked by Anonymous
  65. chemistry

    0.30M nh3 and 0.20M HCL calculate the ph of solution kb=1.8 × 10^-5

    asked by kanks
  66. Algebra

    Maria bicycles 6km/h faster than Praedup. In the same time it takes Praedup to bicycle 54km, Maria can bicycle 72km. How fast does each bicyclist travel?

    asked by Sandi
  67. Science

    A photon with a wavelength (λ) of 3.091 x 10–7 m strikes an atom of hydrogen. Determine the velocity (in meters/second) of an electron ejected from the excited state, n = 3.

    asked by Anonymous
  68. Science

    Calculate the wavelength, λ, in meters of a photon capable of exciting an electron in He+ from the ground state to n = 4.

    asked by Anonymous
  69. algebra 1

    4. Given the irrational number .14147…. choose an inequality which approximates to the 4th decimal place. a) .14 < x F d) Both (b) and (c D? If x < 0 and y > 0, then it is always true that _______. a) xy is a negative number b) x + y is a negative number

    asked by anonymous
  70. Statistics

    Consider a basketball game where a player throws from the free throw line. Her success rate is 65%. If she throws 10 times in a game determine the following:The mean and standard deviation of this binomial distribution.

    asked by Sue
  71. Statistics

    This is a standard deviation contest. You have a six sided die with the numbers 1 to 6 written on the faces. a)In order to have the smallest possible standard deviation what number(s) would have to show up if you rolled the die five times? b)In order to

    asked by Sue
  72. Chemistry

    A solution contains 0.0273 M HNO3, 0.0302 M HI, and 0.320 M formic acid, HCOOH. What is the pH? A solution contains 0.160 M Ba(OH)2 (strong base) and 0.360 M ammonia, NH3 (weak base). What is the pH? I'm really not sure how to do this. I tried and got .443

    asked by Anonymous
  73. chemistry

    The solid oxide of generic metal M is added to 75 mL of water and reacts to produce a basic solution that is 0.20 M in the resulting compound. Neutralization of the solution required titration with 27 mL of 0.56 M HCl. How many valence electrons must M

    asked by ellie
  74. Physics

    what is the volume of water displaced for 1.1 of pure gold.

    asked by Era
  75. Manufacturing Process

    Briefly explain the difference between the following welding processes: OAW,OHW,and PGW.

    asked by Junbhe
  76. calculus

    find dy/dx for y=arctan(x/2) i'm getting 4/(x^2+4) my friend is getting 2/(4+x^2) could someone point me in the right direction? tahnk you

    asked by ken
  77. Physics

    A 80.0 Hz generator with an rms voltage of 150 V is connected in series to a 3.20 k ohm resistor and a 3.50 micro farad capacitor. Find the phase angle between the current and the voltage.

    asked by Mima
  78. statistics

    Boxes of bran flakes are known to be normally distributed with a mean weight of 475g and a standard deviation of 10g.Calculate the probability of a box having a weight exceeding 485 grams. Calculate the probability that the mean weight of sixteen boxes

    asked by Sue
  79. chemistry

    Determining Chemical Formulas? This was on my test a few days ago for Basic Chemistry, I received 8/20 and I'd really like to see how to work these problems out. *PLEASE SHOW WORK*. Their are four parts to this, If anyone could answer all four with easy

    asked by Chris
  80. physical science

    You wish to heat 30 kg of water from 60°C to 80°C. How many kcal of heat are necessary to do this? To how many kJ does this correspond?

    asked by Anonymous
  81. physical

    A 70-kg man and a 50-kg woman are in a 60-kg boat when its motor fails. The man dives into the water with a horizontal speed of 3m/s in order to swim ashore. If he changes his mind, can he swim back to the boat if his swimming speed is 1m/s? If not, can

    asked by jake
  82. Chemistry

    Given the rate equation... RATE = ([ Na2S2O3]/time) = k [I-]a [BrO3-]b [HCl]c 1A) You mix together in the proper manner the following: 10.0 mL of .0100 M Potassium Iodide 10.0 mL of .00100 M Sodium thiosulfate 10.0 mL of water 10.0 mL of .0400 M Potassium

    asked by Cassie
  83. maths

    A cannon is placed on a hillside pointing up the hill, where the hill is at an angle a Pi/4 to the horizontal. The cannon points at an angle Pi/6 to the slope. and a shot is red uphill with initial speed v0. (i) Find the maximum value of the distance

    asked by hayley
  84. Physics

    Alpengeist, in Williamsburg, Virginia, promises the world’s largest inverted (upside-down) loop, with a diameter of 106 feet (32.3 m). (i) What is the minimum safe speed while inverted? (ii) If the actual speed is 52.0 mph while inverted(23.25 m/s), then

    asked by Meder
  85. Statistics

    DIAGRAMS MUST BE DRAWN Given the standard normal distribution, determine:Prob Z greater than 1.50 Prob Z between1.06 and 1.96 Given the standard normal distribution determine the Z values that contain 80% in the middle of the curve.

    asked by Sue
  86. chemistry

    How to convert centimeters into grams

    asked by Anonymous
  87. SPANISH 3 URGENT!!!!!!!!!

    combina las palabras lógicamente. 1. la langosta 2. la salchicha 3. el ají 4. el caldo 5. el sacacorchos 6. hornear 7. los ingredientes 8. la sal 9. el durazno 10. el aderezo a. el vino b. la toronja c. la sopa d. la receta e. la pimienta f. la ensalada

    asked by Anonymous
  88. PHYSICS

    A force 1 Mega-dyne is forced agaist a running body to stop it.If the kinetic energy of the body is 1 Joule,then how much distance it will go before stopping?

    asked by BIKRAMADITYA
  89. algebra

    a football kicker makes 3 out of every 5 field goals. at this rate , if he attempts 65 field goals , how many will he miss

    asked by Anonymous
  90. calculus

    Integral of 10 / (5x^2 - 2x^3) Do not determine the numerical values of the coefficients. Just wanted to know why when I write out the form of the partial fraction decomposition there is A/x + B/x^3 + C/ (x^2 + 4) Why isn't it just A/x^3 + B/ (x^2 + 4)?

    asked by Daniel
  91. Intro Chem

    A block of aluminum with a volume of absorbs 67.4 J of heat. If its initial temperature was 32.5 °C, what is its final temperature?

    asked by Amee
  92. Physics

    in a wire AB of uniform cross section in which a potential gradient of 0.1 V/m exist.If the balancing point is foung to be 180 cm from A then what is the Emf of the cell?

    asked by Abhishek
  93. Management for Organizations

    Please, Would someone check my answers??? Thanks. 7. The organizing function includes all but one of the following activities: (D) A..job design B..increasing departmentalization C..establishing authority relationships D..destabilizing authority

    asked by ashley
  94. math

    write a pythagorean triple in wich the smallest number is 69

    asked by mauricio
  95. account

    what is error of accounting principel

    asked by jyoti singh
  96. Manufacturing Process

    What are two ways in which cutting tool materials' resistance to heat can be measured? Define each.

    asked by Junbhe
  97. geography

    do you think that the island of Santorini was in fact the legendary Atlantis Plato depicted? Support your view with evidence

    asked by samantha
  98. financial project

    Five (5) years ago, you bought a house for $171,000, with a down payment of $30,000, which meant you took out a loan for $141,000. Your interest rate was 5.75% fixed. You would like to pay more on your loan. You check your bank statement and find the

    asked by Anonymous
  99. Introduction to Marketing

    Identify which channel of distribution will provide the best coverage of the target market for your product or service.

    asked by Shunda Miller
  100. Math

    Using induction to prove, 1 + 1/4 + 1/6 + 1/64 + ... + 1/(2^n) = (2^(2n)+1)/2^(2n) Thanks! (sorry abt the previous question)

    asked by Anonymous
  101. Fractions of Money b.

    Answer these questions: 1. What is s third of £18? 2. What is two thirds of £33? 3. What is three quarters of £42? 4 What is a quarter of £42? 5. What is a third of £42? Complete these statements: 6. ____ is a third of ____ 7. ____ is two thirds of

    asked by hind
  102. reading

    why did the Jews hide from the Nazi it was because they wanted to kill them right? info on more please thank you

    asked by Anonymous
  103. Adult Development and Life Assessment

    In order to increase self-esteem, experts say you should

    asked by Anonymous
  104. calculus

    sorry for the probably simple question, but i haven't done this stuff in a long, long time. thought i had this right, but again not finding the answer which of the following gives the slope of the tangent line to the graph of y=2^(1-x) at x=2? a)-1/2 b)1/2

    asked by ken
  105. language

    what parts of speech is drive and to in the sentence We took a long drive to the ocean.

    asked by Anonymous
  106. Geometry

    Sandy has a long list of 100 suitors. She decides to label them according to if they are tall, dark or handsome. She finds that each of her suitors fall into at least one of the categories, and 65 of them are tall, 76 of them are dark and 53 of them are

    asked by John
  107. Science

    Determine the minimum electric potential difference (in volts) that must be applied to accelerate an α-particle so that on interaction with a hydrogen atom, a ground state electron will be excited to n = 6.

    asked by Anonymous
  108. Bardo Thodol or The Tibetan Book of the Dead

    the process from death to rebirth. the various forms in which one can be reborn.

    asked by Anonymous
  109. Physics

    A mass of 100 gram is fallen down,which will be the kinetic energy after 5 second of its fall?

    asked by Bikramaditya
  110. Chemistry

    Glutamic acid is triprotic amino acid with pKa values of 2.23, 4.42, and 9.95. You are given a 0.100 M solution of it in its fully protonated form (H3A). How many moles of KOH must be added to 100 mL of this solution to make a solution with a pH of 5.00. I

    asked by Angelyka
  111. chemistry

    Calculate the pH of each of the following strong acid solutions. 0.697 g of HClO3 in 2.97 L of solution. so i convenrted grams to moles then moles/L to get M of HCl03 then i did -log of that cocentration and put htat as the ph. did i do something wrong? i

    asked by hannah
  112. Chemistry

    I was given extra credit to find who Le Châtelier's High School Principal was. Not his PrincipLE, but his PrincipAL. My chemistry teacher told us only one student of his out of all these years came with the answer. Think outside of the box. Thanks.

    asked by Enrico
  113. History

    Which parts of the Holy Roman Empire remained predominantly Protestant?

    asked by Julie
  114. statistics

    The U.S. Census Bureau reported 77% of the U.S population had internet access in 2009. Choosing 3 random individuals find the probability that a. none of the 3 inidivuals has internet b. all of the individuals have internet access c. at least 1 of the 3

    asked by Krislina
  115. Physics

    X and Y are two capacitors(parallel plate) connected in series to a 12V supply.X has air between the plates and its capacitance is 10microfarads.Y contains a dielectric medium of K=5.calculate capacitance of Y and the potential difference between the

    asked by Abhishek
  116. math

    write a pythagorean triple in whichthe middle number is 56

    asked by mauricio
  117. L.o

    4 factors you can take to deal with the unethical behavior

    asked by Rendani
  118. math

    find the compound interest on 2650 naria in 5yrs at 7 and half % per annum.

    asked by lee
  119. algebra

    Solve the following system of equation using the graphing method. Y = negative X Y = X + 9 Don't know what to do. Thank u if u can helpme.

    asked by Josie
  120. maths

    If the point A(1,-2), B(2,3), C(-3,2), and D(-4,-3) are vertices parallelogram ABCD, then taking AB as the base , find the height of this parallelogram

    asked by Anonymous
  121. math

    7. ____ is two thirds of ____ 8. ____ is three quarters of ____ 9. ____ is a quarter of ____ 10. ____ is a third of ____

    asked by hind
  122. math

    square root of 45 simplfy by factoring

    asked by shelby
  123. calculus II

    ∫ tan^2 x sec^3 x dx If the power of the secant n is odd, and the power of the tangent m is even, then the tangent is expressed as the secant using the identity 1 + tan^2 x = sec^2 x I thought that since tan is even and sec is odd, we have to put this in

    asked by Sarah
  124. math

    81-^3/4 cubed of 81-square root of 3 over 4 which is cubed

    asked by shelby
  125. Chemistry

    How much energy is required to heat 36.9g of ice at 0 degrees celsius to water at 0 degrees celsius?

    asked by Maria
  126. chemistry

    You mix together in the proper manner the following VOLUMES: 0.0100 M Potassium iodide...9.2 mL 0.0010 M Sodium thiosulfate...6.5 mL Distilled water...16.8 mL 0.0400 M Potassium Bromate...13.9 mL 0.100 M Hydrochloric acid...6.1 mL Using the rate constant

    asked by Cassie
  127. language

    how does punctuations work

    asked by Einstine
  128. MATHS-PARABOLA

    using integration find the area of the region enclosed between the circle x^2+y^2=16 and the parabola y^2 = 6x

    asked by anchal
  129. math

    a memo cube is1 cubic unit. christine packs 6 memo cubes into a box. there is room in the box for 8 more cubes.what is the volume of the box?

    asked by unsure
  130. Health

    What is the Affordable Care Act? A. A program that allows people who are at lower risk for chronic diseases to gain free memberships to gyms and fitness facilities. B. A program that covers diet counseling for people who are at lower risk for chronic

    asked by Brooke
  131. algebra 2

    if a frog catches 8 bugs in 3 hours , how many will the frog catch in one week ?

    asked by Anonymous
  132. Geography

    Would outdoor locations in countries such as Singapore with the highest temperatures also have the highest relative humidities? Explain 2 reasons? Would outdoor locations in countries such as Singapore with the highest temperatures necessarily have the

    asked by Becky
  133. Quantum Computation

    1. What is ZX applied to |0> ? 2. What is ZX applied to H|0> ? Answer in form of: a|0> + b|1>

    asked by dydx2013
  134. physical

    When 1 g of gasoline is burned in an engine, about 48 kJ of heat is produced. How much mass is lost in the process? Do you think this mass change could directly measured

    asked by jake
  135. english

    one purpose of the summary is to ?

    asked by joey
  136. maths

    f and g are functions defined as f(x)=5x+6/2x−2 and g(x)=4x/3x−2. What is the value of (f∘g)(4)? Note: f∘g denotes the composition of the 2 functions.

    asked by arun
  137. Adult Education

    the correct answer as follow: 1. the status of a task in progressis known as (A)mail,(B)record,(C)feedback,(D)information

    asked by godfrey
  138. Math

    2/3/3= A. 2/9 B. 1/9 C. 1 D. 2

    asked by Derek
  139. french

    Ill ya combine de saisons dans une annee? nommee-les

    asked by suman
  140. Chemistry

    How can I find the initial rate of formation of products {mol/((L)(s))}?

    asked by Zack
  141. french

    Quel temps fait-il au printemps?

    asked by suman
  142. Math

    There are 38 animals at a farm .some are cows and some are chickens . All together there are 124legs. How many cows and how many chickens?

    asked by James
  143. Manufaacturing Process

    What important role does a backing strip play in a welding process?

    asked by Junbhe
  144. Manufacturing Process

    List three benefits of the laser welding process.

    asked by Junbhe
  145. math

    find the monthly payment fot the loan. $ 500 loan for 12 months at 13%

    asked by Andrew
  146. science

    information on sicled cells disease how they work,how do you get it etc

    asked by Anonymous
  147. comma

    There should be commas around “however” in the following sentence: “Dwayne had planned to take the last flight out to Chicago. It was cancelled, however, because of bad weather.”

    asked by Anonymous
  148. history

    What is the virginia state flower and tree

    asked by math brain
  149. Science

    Which atom or ion would you expect to have the smallest radius? Ne F- Na+ Ne-

    asked by Akhil
  150. Science

    Calculate the wavelength of a photon with energy 2.45 eV. Enter the numerical value in m

    asked by Anonymous
  151. squared

    15.68 squared

    asked by Sean
  152. math

    Miss Ramirez has invested $6,000 at 5%. How much additional money must she invest at 8% so that her annual income from the two investments will be 6% of the total amount invested?

    asked by lisa
  153. World History

    What did Julius Caesar do after taking over Rome?

    asked by Gregory
  154. World History

    Why did Julius Caesar lose power?

    asked by Gregory
  155. math

    find the present value of $2000 in year 4 at 7% compounded monthly?

    asked by Anonymous
  156. maths

    Find the number of pairs of coprime integers (n,m) such that 1≤n≤m≤20.

    asked by Anonymous
  157. Manufacturing Process

    What is meant by cybernation?

    asked by Junbhe
  158. math

    8. ____ is three quarters of ____ 9. ____ is a quarter of ____ 10. ____ is a third of ____

    asked by hind
  159. math

    calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A)

    asked by Andrew
  160. windows 7

    A ________is software that installs and sets up programs to run on your computer. A.intitator B.installer c.downloader d.applicator

    asked by nana
  161. Mesopotamian Mythology.

    Is it possible to create without destroying or is this simply an ancient concept that holds true?

    asked by Anonymous
  162. math

    What is three quarters of £42?

    asked by hind
  163. math

    when rolling a die, do you think everyone will have the same results

    asked by Lori
  164. History

    Was Wilson correct in trying to get American into the League of Nations? Was it correct to try to get the tenth article modified?

    asked by Molly
  165. math

    calculate the monthly finance charge for the credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. ( round your answers to the nearest cent). $ 400 balance, 15%, $ 50 payment. A)

    asked by Andrew
  166. ENGLISH

    Which one is correct in the planet or on the planet?

    asked by inon
  167. statstics

    A distribution of weights is symmetric about its median. The lower quartile of the weights is 90 pounds and the median is 120 pounds. Find the interquartile range of the distribution.

    asked by ellas
  168. english

    How often does it flood in the uk?

    asked by barbie rose
  169. World History

    How did Julius Caesar gain power.

    asked by Gregory
  170. spanish

    dbíuaesnso

    asked by Jedidiah
  171. Grammar.....

    Is the sentence correct? When I checked the school website it says that there is no school on Friday.

    asked by Anonymous