1. Spanish

where did sr andrade go to do the following errands write the names of the places could someone check my answers? 1 fue a cobrar un cheque.estuvo en -el banco 2 fue a ver al dentista estuvo en - el consultorio 3 fue a comprar unos palos de golf estuvo en -

2. physics

A 50g ice cube is added to 110g of water in a 62g aluminum cup. The water and cup initially have a temperature of 23°C. Find the initial temperature of the ice cube such that all of the water is just turned to ice. Use the following specific heats: water

3. chemistry

Assuming the density of a 5% acetic acid solution is 1.0 g/mL, determine the volume of the acetic acid solution necessary to neutralize 25.0 mL of 0.10 M NaOH. Record this calculation on your report sheet.

4. Chem

25.0 mL of 0.100 M acetic acid (Ka= 1.8 x 10^-5) is titrated with 0.100 M NaOH. Calculate the pH after the addtion of 27.00 mL of 0.100M NaOH. my work CH3COOH + H2O H3O^+ + CH3COO^- 25mL x 0.100 mmol/ml = 2.5mmol CH3COOH 27mL x 0.100 mmol/ml = 2.7mmol NaOH

5. chemistry

How much 0.150 M sodium hydroxide would be required to just neutralize 15 mL of 0.175M hydrochloric acid? 15mL x 0.150M/0.175M=12mL correct!

7. physics

1.A round wooden log of diameter 73cm floats with half of its radius above water. Determine the log’s density 2.An ideal gas doubles its volume in one of three different ways: at constant pressure, at constant temperature, and adiabatically. For each

8. chemistry

THe thiocyanate ion acts as a Lewis base, donating a pair of electrons to the Fe ^ 3+ ion. Both sulfur and nitrogen atoms have lone pair electrons that can potentially be donated. Therefore, ther are two different structures (linkage isomers) that can be

9. chemistry

Why are cis and trans isomers not possible for ClCH2CH2Cl? Because it is a single bonded compound and cis-trans isomerism is only possible when fre rotation about a bond is restricted or a double bond or cycle is essential for existence of cis-trans

10. geometry

A 30o-60o-right triangle is half of what other kind of triangle?

11. Math 115 week 8 cum-test

I was wondering if anyone has the questions for week 8 !@#\$%^&-test due Sunday? the instructor will not post it until Wednesday night and I would like to start on it early because I am moving all week.I am taking classes with the University of Phoenix Axia

12. Chemistry

A buffer prepared by mixing equal amounts of the salts Na2HPo4 and NaH2PO4 to give a total phosphate concentration of 0.1M. What is the concentration of Na ions? I believe it is 0.3M but am having trouble understanding why when I write out the dissociation

13. Geometry

I have a pizza. The radius is 10 inches long. The pizza was cut into 16 equal slices. When 1 slice was left, my sister and I both wanted it, so we agreed to cut it in half, but I like the crust more than she does, so we decided to cut it the "other way."

14. criminal justice

Individual Assignment: Barriers to Effective Communication Paper · Write a 1,050- to 1,750-word paper in which you describe the following: o The process of communication and its components o Differences between listening and hearing in communication o The

15. chemistry

why is C4H10 the simplest alkene that can have structural isomers? Because compounds wwith the same molecular formula but different structural formula are called isomers in C4H10

17. accounting

__a__ 1. A responsibility center that incurs costs (and expenses) and generates revenues is classified as a(n) a. cost center. b. revenue center. c. profit center. d. investment center. _a___ 2. The most useful measure for evaluating a manager's

Sra ramired is asking her family if they did everything they were supposed to do today write the excuses with the correct preterite form like i know what that is of HACER,IR,PODER,SER or TENER paquito fuiste a la biblioteca verdad? ay no mama no ________ 1

19. Government Check

1.)Which of the following is an example of the formal amendment process? a)The gradual expansion of the President's war-making power as commander-in-chief =b)The 1920 change to the Constitution that gave women the right to vote c)The 1954 Supreme Court

20. Government Check

1.)What is the defining right of a representative democracy? The right to petition the government =The right to vote The right to freedom of religion The right to a jury trial 2.)Slavery was prohibited by _____. the Bill of Rights the Constitution =the

21. economics

Is your school currently producing at capacity? What considerations might inhibit full capacity utilization?

22. Calculus

Find all critical points of the function. f(x) = xe^3x so x= ? Show steps or tell me how I find them?

23. Mathematics: Pre-cal

Consider a rectangular bathtub whose base is 12 ft^2. At what rate is water pouring into the tub if the water level rises at a rate of 0.9 ft/min? Please show steps. (I want to know how)

24. chemistry

why is unecessary to measure precisely 25.00mL of unknown acid into the beaker?

25. alg

Multiply: 12m^5 / -2m^2 * 6m^6 / 28m^3 a) 9m^5 / 7 b) -9m^5 /7 c) 9m^6 / 7 d) -9m^6 / 7 d

26. alg

simplify the rational expression x^2 - 81 / x^2 + 18x + 81 a) x - 9 / x + 9 b) x + 9 / x + 9 c) x + 9 / x - 9 d) x - 9 / x - 9 a

27. Chemistry

A balloon has a volume of 2.75 liters at 25 degrees celsius. What would the balloon's volume be if the temperature is raised to 95 degrees celsius and the pressure remains constant?

28. chemistry

Chlorine dioxide, ClO2, has been used as a disinfectant in air conditioning systems. It reacts with water according to the following equation. ... HCl If 142.0 g of ClO2 is mixed with 33.0 g of H2O, how many grams of which reactant remain if the reaction

29. writing

Can someone tell me if these are the correct verb tense? Education played a good part of successful financial planning. (Past) 2. I have some good ideas from the financial planning classes. (Present) 3. Education will play a good part of successful

30. college

A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?

31. English

Can you please check if the following sentences are ok? Thank you in advance. 1) "Express your regret for the following situations using a wish construction". Example: I didn't study for the test. I got a bad mark. I wish I had studied for the test. 2)

32. Biology

what happens to co2 levels with increasing sugar concentration?

33. math

A 16-ft ladder is sliding down a wall as shown in the figures below. The variable h is the height of the ladder's top at time t, and x is the distance from the wall to the ladder's bottom. Suppose that the top is sliding down the wall at a rate 5 ft/s.

34. Geometry

Which is the hypotenuse-leg theorem? A. If the hypotenuse and one leg of a right triangle are similar to the corresponding parts of another right triangle, then the triangles are congruent. B. If the hypotenuse is congruent to the corresponding part of

35. trig

What is the angle B? Given that A=46 degree b=4 c=8

36. college

the relationship between farenheit and celsius temp can be approximated by an equation of the form y=mx+b where x is degrees farenheit and y is degrees celsius. find the equation if the two ordered pairs that satify this equations are (50,10) and (86,30)

37. high school

according to jean piaget, in what is all learning based?

38. English

I hope I don't bother u guys by explaining to me what hubris means in A Connecticut Yankee in King..etc Just a few examples would be really helpful

asked by my teacher may be watching this site so no name
39. chemisrty

If 55.0 grams of KCIO3 is decomposed by the following equation, how many grams of oxygen can be produced? 2 KCIO3 > 2 KCL + 3 O2

40. physics

The grath is a plot of work versus time. The power can determined from a)the xaxis, b)yaxis, c)the slope of curve,d)are under the curve, e)radius of curve

41. geometry

If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal? its talking about a right triangle.

42. physics

A big yo-yo(radius .2m, mass 20kg) has a string wrapped about its circumference. If yo-yo falls, how far does it fall in 2 seconds? (The yo-yo is shaped like a disk)

43. chemistry

a graduated cylinder weights 64.376g empty.when i measure 30.0mL into it weights 89.98g.what is the density of the liquid? 64.376g-89.98g=25.604g then i 25.604/30.0=.853

44. math

I need to find what 0.10 is a percentage of 0.72. and what 0.10 is a percentage of 0.62. Please help asap!!!!!

45. English

What does "leave his 'second best bed' to his wife" mean? I could not understand that phrase. May someone please help me? Thanks in advance.

46. Government Check

4got this one Which amendment applies the protections of the Bill of Rights to the States? First Fifth Tenth =Fourteenth

47. Government HELP

This one is tricky to me Even if they are listed in the Constitution, the rights of the American people _____. =are all listed again in the Bill of Rights must be enforced by the government in order for people to actually exercise them are all unenumerated

48. physics

a ring rotates ar 30rad/s and has a radius of 3m and a mass 0f 100kg. If a disk(mass=40kg and with a radius of 4m) is dropped on the ring so the centers are aligned, what will be the resulting rotational speed of the ring-disc combination?

49. Law - O.J.

Why was O.J. Simpson acquited in the trial that occured in the mid-90's? He didn't actually kill the 2 victims himself, did he?

You have 15 yards of ribbon for your gift boxes. each box gets the same amount of ribbon. How much ribbon will each box get

51. algebra

Describe the values for x that may not be appropriate values even when they are defined by your classmates’ function

52. physics

A bothersome feature of many physical measurements is the presence of a background signal (commonly called "noise"). In Part 2.2.4 of the experiment, some light that reflects off the apparatus or from neighboring stations strikes the photometer even when

53. science

how making inferences help the scientist in their discoveries?

54. math..probabilities

After three tosses of a fair die, which is more likely to come up: three distinct digits (e.g. 1,2,3), or three digits with at least one repeat (e.g. 1,2,1)? Distinct digits is more likely At least one repeat is more likely They are the same Cannot

55. algebra 2

Lisa Chen invested \$24,000, part at 8% and the rest at 7.2%. How much did she invest at each rate if her income from the 8% investment is two thirds that of the 7.2% investment?

56. Math

1. State whether f (x) = x^-1 has a minimum value, maximum value, or neither on the following intervals. Select all that apply. (a) (0, 3) (b) (1, 3) (c) [1, 3) Need Help.

57. teaching

How do program and state standards for teachers promote professionalism in teaching?

58. alg

Divide: p^2 + 4p - 5 / p^2 + 7p + 10 * p + 4 / p - 1 a) p + 2 b) p + 2 / p + 4 c) p+4 / p+2 d)2 Just need to know if my answer is right or wrong and the answer i picked was c

59. alg

Multiply: 8r + 16 / 24r - 24 * 6r - 6 / 3r + 6 a) 2/3r b) 2/3 c) 2 d) 2(r + 2) / 3r b

The ABC Company purchased a solar powered electrical generator on March 9, 2005 for \$1.5 million. At that time, it was estimated that the generator would have a useful life of 20 years and a salvage value of \$50,000. Over its life span, it was estimated

61. English

I forgot to include the following statements. I really hope you can have a look at them, too. 1) Are you excited about your holidays? 2) I'm not ashamed of what I did. I'm quite proud of it. 3) What have I done wrong? Why are you annoyed with ( at?) me?

62. Corp Fed Tax

Question Details: Gail and Mark from Sap Corp with the following considerations: Consideration Transferred Basis to Fair Market Number of Transferor Value Shares Issued From Mark Cash \$50,000 50,000 installment obligation 140,000 250,000 30 From Gail Cash

63. English

I have to explain what the terms below are within the framework of the study of texts: - Representation -Appropriation -Tranformation -Textual Intergrity

64. statistics

The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?

What is the chronological order of the major legislation that makes up the history of employment law in this country?

66. geometry

A 30degrees-60degrees-right triangle is half of what other kind of triangle?

67. alg

what are the non-permissible value for the rational expression (x^2 + x -6) / (x^2 + x -12)? a) x = 0 and x = -2 b) x = 0 and x = -4 c) x = 2 and x = -3 d) x = 3 and x = -4

68. music

what kind of tip would you give me to do for counting the notes on the staves?

69. earth science

If all matter is made up of the same atoms from the periodic table, is there a big difference between living organisms and non living objects? why or why not?

70. PHYSICS

If a car hs kinetic energy KE and if its speed increases by 41% what does the kinetic becomes

71. math

what is the decimal notation of 23 over 8

Explain three benefits of conducting an external analysis

73. EARTH SCIENCE

Do you foresee humans colonizing the planets and moons of our solar system in the long term future of our species? What kind of terraforming would be necessary to make this possible?

74. algebra 1

Which two of the four equations represents parallel lines?

75. algebra

6x-8y=-16 8y-6x=16

76. chemisrty

When 50.0 ml of 1.00 M KOH is reacted with 50.0 ml of 1.00 M HCL, the temperature rose from 20.0 degrees celsius to 28.7 degrees celsius. What is the heat generated by this neutralization? (Assume that the density of the two 1 M solutions is 1.00 g/ml and

77. physics

An elevator of mass M rises a distance H in time T and acquires potential energy PE. If it rises the same distance in half the time the increase in potential energy will be?

78. Fed Tax

Locust Corp desires to set up a distribution facility in a southern state. After consideration negotiations with a small town in Alabama, Locust accepts the following offer: land (fair market value of \$3 million) and cash of \$1 million. a) How much gain,

79. mat 116 algebra

function and function notation using the variable x and explain how we evaluate a function for a given x

80. HCA 220

I havnt received my textbook yet...can someone tell me what the condition of not feeling is? I know it has something to do with aesthesia but what is the correct word?

81. History

what are hitlers qualities? xx

This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. For any sets A and B. Prove that A∩B⊂A and A∩B⊂B.

This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If A⊂B, then prove that B'⊂A'

This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If A-B=A then show that A∩B=Ø

This problem is related to Chapter-Sets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If AUB=Ø, then prove that A=Ø,B=Ø

86. math

how do i write \$3,337.55 on a check in words on?

87. statistics

When you add the values 3, 5, 8, 12, and 20 and then divide by the number of values, the result is 9.6. Which term best describes this value: average, mean, median, mode, or standard deviation?