# What happened if you put the Elodea leaf cells in a solution of 0.5% NaCl,1.8% NaCl and 0.9%NaCl?

36,754 questions, page 346
1. ## Math

The solution set of radical(x - 1) (is greater than sign) 5 is the set of all real numbers x such that: F. x (is greater than sign) 4 G. x (is greater than sign) 6 H. x (is greater than sign) 24 J. x (is greater than sign) 25 K. x (is greater than sign) 26

asked by Anonymous on May 3, 2015
2. ## Chemistry

At a certain temperature, the solubility of N_2 gas in water at 2.38 atm is 56.0 mg of N_2 gas/100 g of water. Calculate the solubility of N_2 gas in water, at the same temperature, if the partial pressure of N_2 gas over the solution is increased from

asked by Becca on February 4, 2012
3. ## chem 2

which one of the following pairs of 0.100 mol L-1 solutions, when mixed will produce a buffer solution? a 50. mL of aquesous CH3COOH and 25.mL of aquesous HCI b 50. mL of quesous CH3COOH and 100. mL of aqueous NaOH c 50. mL of aquesous NaOH and 25. mL of

asked by leaha on March 3, 2012
4. ## Chemistry

40.0 g of magnesium chloride (MgCl2) in 250.0 g of water at 22 °C.Calculate a) the vapor pressure of this solution, b) the freezing point, c) the boiling point. I know it is something like this, but I continue to get the incorrect answer. A) 40.og

asked by Jasmine on May 23, 2013
5. ## English

Tomorrow I have to write an in-pclass essay, and I'm having trouble coming up with a thorough idea for my paper. Here is the question: "Write a composition based on literature you have studied this term in which the author examines characters and

asked by Sam on January 13, 2010
6. ## Quantitative Methods

Read the “JET Copies” Case Problem on pages 678-679 of the text of the Quantitative Methods Book. Using simulation estimate the loss of revenue due to copier breakdown for one year, as follows: 1. In Excel, use a suitable method for generating the

asked by Ashley Johnson on October 4, 2011
7. ## Quantitative Methods

Read the “JET Copies” Case Problem on pages 678-679 of the text of the Quantitative Methods Book. Using simulation estimate the loss of revenue due to copier breakdown for one year, as follows: 1. In Excel, use a suitable method for generating the

asked by Anonymous on October 24, 2010
8. ## math

Tanya and Greg are going skiing. Tanya is a seasoned skier while Greg is a novice, he only skied once before. They have a map that provides the coordinates for the top and bottom of each path. Tanya wants to ski the most challenging path while Greg wants

asked by Hannah on November 22, 2016
9. ## Math

Can someone correct them 5) Write fraction as a percent 7/8 My answer: 0.875=87 1/2% 6)Write each decmal as a percent 0.008 My answer:8% 7) Write as a decimal 160% My answer:1.60 8)Write as a fraction 52% My asnwer:5/10 5) Write fraction as a percent 7/8

asked by Jasmine 20 on November 24, 2006
10. ## chemistry

A student generates H2(g) over water using the reaction between zinc and hydrochloric acid Zn(s)+ 2HCl(aq)---> ZnCl2(aq)+ H2(g) Data: Mass of vial and zinc 15.5082 mass of vial 15.3972 mass of zinc 0.111 final burette reading 45.30mL barometric pressure:

asked by Yuli on November 23, 2011
11. ## english/usgov URGENT

can you guys help me write a conclusion for this and also help me elaborate my essay better. I've worked so hard and it's due tomorrow Politicians can't agree on how to create more jobs and this is a major problem. The U.S. economy is in trouble because it

asked by Harold on September 29, 2011
12. ## Religion , help

Okay so can someone just tell me what questions i should answer that consist of what there needs to be for the following major titles which are: this is for a powerpoint presentation that needs to have slides in each one for every topic approx.5lines,and

asked by kailin on January 21, 2007
13. ## English

Language Analysis Please help me find persuasive techniques/statements in the following article.. I've never done this before, and I've "stewed" over the subject for the last couple of days, but I'm absolutely incensed that the Victorian Government will be

asked by David on March 17, 2010

Experimental Procedure, Part F. A 1.0- mL volume of 0.010 M H2SO3 is added to a mixture of 12 drops of 0.01 M HIO3, 8 drops of deionized water, and 1 drop of starch solution. A color change in the reaction mixture occured in 40 seconds. a. Assuming 25

asked by john on January 27, 2011
15. ## English/social studies

help me make a poem with this: It is the Chinese New Year tradition that every family gives its house a thorough cleaning, hoping to sweep away all the ill-fortune there may have been in the family to make way for the wishful in-coming good luck. People

asked by christian on October 31, 2010
16. ## Chemistry

When 0.689 g of Ca metal is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 11.2C is observed. Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. (Note: Pay attention to

asked by ChemGeek on May 15, 2011
17. ## Chemistry

3.92g of a nondissociating compound are dissolved in 400.g of liquid benzene. The freezing point of the solution is 5.19 degrees celsius. Calculate the molar mass of the compound. (The freezing point of the pure benzene is 5.50 degrees celsius and its

asked by Cassie on March 20, 2011
18. ## Chemistry - Density

Automobile batteries contain sulfuric acid. Calculate the number of grams of sulfuric acid in 0.500L of battery acid if the solution has a density of 1.28g/mL and is 38% H2SO4 (small numbers) by mass? Can you please answer this for me? density = 1.28 g/mL

asked by Tracey on October 5, 2006
19. ## AP Chemistry

These are some lab questions from the following lab: Vapor Pressure and Enthalpy of Vaporization of Water 1. Why does vapor pressure change with temperature? 2. The assumption was made that the vapor pressure of water is negligible at a temperature close

asked by anonymous on January 28, 2007
20. ## chem- to clarify....

"How does a gas differ from a liquid with respect to the following property: Ability to mix with other substances of the same phase to form homogeneous mixtures Gases form homogeneous mixtures with each other regardless of the identities or relative

asked by Anon. on December 9, 2009
21. ## algebra

asked by ann on December 2, 2011
22. ## English

Please read this 4 me . "Sir Gawain and Green Knight" is an interesting poem. This poem has real mythic and symbolic power. It is an Arthurian story about the noble knight Gawain and the mysterious green knight. The unknown author of this poem introduce us

asked by Anonymous on September 30, 2010
23. ## Grammar and Composition

Ok, here is my complete "Pet Peeve" Speech. Thanks a lot to bobpursley, and writeacher, and gurublue. There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That

asked by y912f on November 13, 2009
24. ## Grammar and Composition

Ok, here is my complete "Pet Peeve" Speech. Thanks a lot to bobpursley, and writeacher, and gurublue. There are some people in this world that you can’t live without, and then there are some other people who you just can’t bear to live with. That

asked by y912f on November 12, 2009
25. ## Chemistry

20 cm3 of 1 M H2SO4 is mixed with 20 cm3 of 1 M NaOH. The resulting solution is? A. acidic with a molarity of 0.50 M H2SO4 B. acidic with a molarity of 0.25 H2SO4 C. neutral D. alkaline with a molarity of 0.25 M NaOH E. alkaline with a molarity of 0.50 M

asked by Mordu on July 18, 2018
26. ## aed 205

Read the following vignette and identify the factors that threaten the activity flow of the lesson. Once you have identified the problems, explain how you would avoid the problems if you were the teacher. Here is the story Mrs. P.waits while her

asked by scooby on April 25, 2010
27. ## Algebra

Solve the conjunction -2

asked by DANIELLE on January 24, 2007
28. ## Math

A concrete border is to be built around a triangular flower garden that has sides of 10 m, 7 m, and 8 m. The border is to be a straight walking path 1 m wide on all sides of the garden. Before the concrete can be poured, wooden formes need to be placed on

asked by Danielle on June 3, 2007
29. ## bobpursley,religion

So do you mean that what makes up the hindu religion is all six traditional schools of Hindu philosophy which are the (samkhya, yoga, nyaya, vaisheshika, purva mimansa, vendanta) and what does this part mean is he one that makes up the hindu religion as

asked by kailin on January 5, 2007
30. ## Chemistry

Using the following information, identify the strong electrolyte whose general formula is Mx(A)y * zH2O Ignore the effect of interionic attractions in the solution. a. A"-is a common oxyanion. When 30.0 mg of the anhydrous sodium salt containing this

asked by Cynthia on March 29, 2007
31. ## English:writing memo

Write a memo of 6–15 sentences based on the scenario given here. You’ve been put in charge of planning a one-day departmental training seminar with Dr. Melanie Dobler as the speaker. You must make travel arrangements for the speaker, reserve a company

asked by Crystal on February 2, 2009
32. ## Math

I can not find the solutions to the following problems using 2 methods: algebraically and geometrically. 1. X with the square root of 2 =9 2. X with the square root of 3 =27 3. X with the square root of 4 =27 --Note: Fourth root I'm not sure what you mean

asked by Doris on September 28, 2006
33. ## science

is a news article the same as a news story is this a news article or a news story? Is Garbage The Solution To Tackling Climate Change? ScienceDaily (Oct. 3, 2009) — Converting the rubbish that fills the world’s landfills into biofuel may be the answer

asked by anonymous1 on October 10, 2009
34. ## math

Still looking at how to solve these... Both are cubic polynomials? 43x^3 + 13x^2 + 18x - 456 = 0 DO I divide first by x-1? 2x(3x+2)^2=312 Honestly: I would graph the equations and find the roots first. I don't see them off hand. graph y=43x^3 + 13x^2 + 18x

asked by mary on January 21, 2007
35. ## English

Select the word or phrase in the sentence that is not used correctly 1) The physician started to perform the operation, but the patient was not yet completely under anesthesia. a) Started to b) Perform c) Was not d) Completely under 2) Before his death at

asked by meg on October 3, 2017
36. ## science

Issue Sources Health/Environmental Effects Carbon dioxide (CO2) Chlorofluorocarbons (CFCs) Ground-level ozone (O3) Sulfuric acid (H2SO4) I need to complete the table above and have no idea what to do. Choose one of the following atmospheric issues: air

asked by Angel on September 13, 2008
37. ## Social studies

Can someone please check my answers? How are the governments of Jordan and Kuwait different from the governments of the United Arab Emirates and Oman? Citizens of Jordan and Kuwait can vote. B. Jordan and Kuwait have monarchs. C. The king of Jordan and

asked by Lisa on December 13, 2018
38. ## Chemistry

Five (5.00) grams of glucose, C6H12)6, is dissolved in 500.0 grams of acetic acid. What is the new freezing point and boiling point for the solution? Kf acetic acid = 3.90, Kb acetic acid = 3.07 (normal freezing point for acetic acid = 16.60 dg C, boiling

asked by lana on August 9, 2007
39. ## Physics

Conventional engines ignite their fuel by using the spark from the spark plug. But in a diesel engine, the air enthers the chamber at the temperature of the atmosphere and is compressed by the piston until it reaches 550 degrees Celsius, at which time the

asked by Jen on December 2, 2007
40. ## physics

Conventional engines ignite their fuel by using the spark from the spark plug. But in a diesel engine, the air enthers the chamber at the temperature of the atmosphere and is compressed by the piston until it reaches 550 degrees Celsius, at which time the

asked by Jen on December 2, 2007
41. ## Chemistry

At ordinary body temperature (37 C) the solubility of N2 in water in contact with air at ordinary atmospheric pressure (1.0 atm) is 0.015 g/l. Air is approximately 78 mol % N2. a)Calculate the number of moles of N_2 dissolved per liter of blood, which is

asked by Jeremy on February 6, 2012
42. ## CHEMISTRY

At ordinary body temperature (37 C) the solubility of N2 in water in contact with air at ordinary atmospheric pressure (1.0 atm) is 0.015 g/l. Air is approximately 78 mol % N2. a)Calculate the number of moles of N_2 dissolved per liter of blood, which is

asked by Jeremy on February 7, 2012
43. ## Social Studies

Put the following events in chronological order. I had already filled them in I just need somebody to confirm it is right. 6 Mao announces his "Cultural Revolution" 2 A group of young Chinese men, including a young teacher, Mao Zedong, meet in Shanghai to

asked by Zoey on September 19, 2017
44. ## english

Can anyone tell me what the thesis statement is in this article. I am having a hard time finding it. CNN) -- In coming to grips with AIDS, the worst health calamity since the Middle Ages and one likely to be the worst ever, consideration inevitably turns

asked by Anonymous on August 25, 2008
45. ## Language Arts

Join each pair of simple sentences to form a compound sentence. Use the conjunction that makes sense (and, but, or or) Put a comma before the conjunction. Write the compound sentence on the lines. 1. Julia loves sports. She cannot decide which one to try

asked by Patrick on November 4, 2015
46. ## microsoft power point

10. You're creating a table for one of your slides, and need to make some modifications to your table structure. Which of the following options can you perform by right-clicking inside the table? A. Merge cells B. Invoke Excel spreadsheet C. Create

asked by Lisa on September 11, 2015
47. ## Chemistry - acid base

You are asked to bring the pH of 0.500 L of 0.450 M NH4Cl to 7.00. 12.0 M NH3 How many drops (1 drop 0.05 mL) of this solution would you use? What I did, but its incorrect Using HH equation I found out NH4 pKa = 9.24 from table pH = pKa + log [A-] / [HA]

asked by K on March 10, 2018
48. ## physics

Derive a general equation for the time of flight of the banana en route to the monkey in terms of only the velocity, distance, and height hint: if you are doing everything right, there should be a lot of cancellations resulting in a relatively simple

asked by Spice on October 25, 2015
49. ## OChem

A solution consisting of water and ethanol is found to have a refractive index of 1.3541 at 20 degrees C. The refractive indices at 20 degrees C of water and ethanol are 1.3330 and 1.3610, respectively. Determine the molar composition (in percent) of the

asked by Omar on October 26, 2011
50. ## chem

1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L flask, and it is brought up to volume. What is the

asked by selina on October 10, 2011
51. ## Chem

1.00 mL of a 0.0500 M sucrose solution is transferred to a 100 mL volumetric flask, and the flask brought up to volume. 5.00 mL are taken from the 100 mL volumetric flask and transferred to a 0.500 L flask, and it is brought up to volume. What is the

asked by Anonymous on October 14, 2011
52. ## chemistry/ molarity, molality

A solution is made by mixing 20.0 mL of C6H5CH3, d=.867g/mL, with 140.0mL of C6H6, d=.874g/mL. assuming that the volumes add upon mixing, what is the molarity? what is the molality? i know that molarity= moles/L and molality= moles sol/kg solvent... but im

asked by christine on April 3, 2007
53. ## Chem

Final question.. An alloy used in aircraft construction consists of aluminium, copper and magnesium. An 11.34g sample of alloy was treated with alkali to dissolve the aluminium, leaving a residue of mass 2.73g. This residue was treated with dilute

asked by atriletz on January 27, 2007
54. ## Literacy

1. Journals differ from magazines in that they're A. available by subscription. B. sources of academic research not intended for the general public. C. published only periodically. D. printed with volume numbers. my answer is B 3. It's important to include

asked by Heather on January 16, 2012

Recently, it was observed that people have started saving more rather than spending. This has impacted the demand for luxury goods and services. The decline in the demand led to unemployment in the related sectors. What can be a primary solution to reduce

asked by Kathy on April 24, 2017
56. ## algebra

1. You are planning to spend no more than \$10,000 and no less than \$8,000 on your landscaping project. a. Write an inequality that demonstrates how much money you will are willing to spend on the project. b. For the first phase of the project, imagine you

asked by Girlee on May 7, 2011
57. ## chemistry

Which of the following is NOT true about the thermodynamic standard state? A. A pure liquid is in its standard state at 25C and a vapor pressure of 1.00 atm. B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A gas is in its

asked by jeff on May 17, 2009
58. ## Chemsitry

Which of the following is NOT true about the thermodynamic standard state? A. A solid is in its standard state when the atmospheric pressure is 1.00 atm and the temperature is 25C. B. An aqueous solution is in its standard state at a concentration of 1.00

asked by Anonymous on February 25, 2008
59. ## chemistry

Which of the following is NOT true about the thermodynamic standard state? A. A gas is in its standard state when its pressure is 1.00 atm and its temperature is 25C . B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A solid

asked by jina on February 20, 2008
60. ## American Government HELP

Recall the scenario for this lesson’s discussion: You are the CEO of a powerful and politically connected corporation in your area. You have lunch once a month at your club with other business leaders of influential conglomerates to see where your

asked by Anonymous on December 2, 2016
61. ## Elem. Ed.

Can you please help with this question? The most well attended parent meetings are those that are based on: 1. the teacher's assumptions of what parents need to know. 2. the planned and prescribed curriculum of the parent education manual. 3. the needs and

asked by Jill on May 7, 2007
62. ## math

Barry heard in his Personal Finance class that he should start investing as soon as possible. He had always thought that it would be smart to start investing after he finishes college and his salary is high enough to pay the bills and to have money left

asked by Peter on June 26, 2014
63. ## Science

1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a

asked by Anonymous on November 17, 2015

1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a

asked by Cami on November 17, 2015
65. ## English

Can someone please explain this poem to me and also the literary devices used? Thanks! "Like This" If anyone asks you how the perfect satisfaction of all our sexual wanting will look, lift your face and say, Like this. When someone mentions the

asked by Sarah on February 25, 2015
66. ## Science ASAP

1. Angiosperms have organs such as ______________ and produce seeds. The are described as _________________plants. (1 point) flowers; vascular stems; pollinated rhizoids; vascular leaves; non-vascular 4. Of the following, which is NOT a characteristic of

asked by Delilah on April 1, 2013
67. ## Math

1. Find the solution of each equation from the given numbers. Y/9 = 32; 261, 279, or 288 2. A bowling bowl has a mass of 5.54 kg. A bowling pin has a mass of 1.58 kg. About how many pins are equal in mass to one ball. 3. An elevator has a maximum lift of

asked by Anonymous1 on November 26, 2018
68. ## English

Can someone check out the spelling and grammar for me, please? In this drawing, I was drawing cauliflower with some other vegetables. The vegetables was in the background and in the foreground, it was the cauliflower. This mainly should be a line drawing.

asked by BabyM on June 23, 2008
69. ## English

I wonder if you could check the following questions and help me rephrase a few more sentences I’m not sure of. Thanks a lot in advance! 1) What historical period did the English Renaissance cover and what was it characterized by? Explain its (?)

asked by Franco on May 2, 2010
70. ## Chemistry

The vapor pressure of chloroform is 173.11 mm Hg at 25 degrees celsius. A nonvolatile, nonelectrolyte that dissolves in chloroform is aspirin. Calculate the vapor pressure of the solution at 25 degrees celsius when 6.243g of aspirin (180.1g/mol) are

asked by Hannah on February 19, 2012
71. ## Chemistry

How to make 100 mL of 100mM of Tris HCl and 100 mL of 100mM of Tris Base. Follow the pH of the resulting combined solution as it is heated from 4 to 50 degrees Celsius. I did not use the HH equation in this problem. I started with just converting to moles

asked by Aarya Singh on January 15, 2017
72. ## Math (trigonometry)

A surveyor wishes to find the height of a mountain. He selects points A and B on level ground along the same line of sight to the mountain. He measures the distance AB to be 1503 m and the angles of elevation of the top of the mountain from the points to

asked by Sammy on December 2, 2012
73. ## Chemistry

Benzene has a vapor pressure of 100.0 Torr at 26°C. A nonvolatile, nonelectrolyte compound was added to 0.309 mol benzene at 26°C and the vapor pressure of the benzene in the solution decreased to 60.0 Torr. What amount (in moles) of solute molecules

asked by Angelica on February 15, 2010
74. ## chemistry

help please, have no clue how to solve this. (a) you are given a mixture containing two compounds, A and B. both compounds have a solubility of 1g/100mL of solvent at 20 deg C and 16g/100mL of solvent at 100 deg C. The sample is composed of 3.5 g of A and

asked by shelby on February 11, 2013
75. ## Chemistry

What is the thermal stability of potassium phosphate and why? Thanks. I assume you mean as a powder, not as an water solution. Potassium phosphate is deliquescent. At elevated temperatures, phosphorus oxides are released as the compound decomposes. How

asked by Cheryllyn on July 4, 2007
76. ## Analytical Chemistry

Any help/advice on answering this question would be a big help! :) The analysis of lead (Pb) in a sample of solder was carried out using atomic absorption spectroscopy as follows. 1.013 g of solder was completely dissolved in a small volume of nitric acid

asked by Chris on April 27, 2015
77. ## Chemistry

I have a few question for my review. 1) How would you prepare 30.0 ml of 0.600M HNO3 From a stock solution of 4.00M HNO3? What volume in ML of the 4.00 M HNo3 will you need? 2) if a 83.5 & was repoarted for a reaction that could have produced 12.1 g of

asked by Matt on October 10, 2013
78. ## Social Studies

"communism is over in russia democracy will always prevail in the end." how does this statement most reflect a particular bias? it shows a prejudice against communism it shows support for democratic ideals it makes a prediction* it cites historical events

asked by jr on May 15, 2019
79. ## Chemistry

Iodide Ion is oxidized to hypoiodite ion IO- by hypochlorite ion ClO- in basic solution. The equation is I- + ClO- --- IO- + Cl- Initial concentraition I- ClO- OH- exp 1. 0.010 0.020 0.010 exp 2. 0.020 0.010 0.010 exp 3. 0.010 0.010 0.010 exp 4. 0.010

asked by Lauren on February 18, 2008
80. ## Chemisty

Iodide Ion is oxidized to hypoiodite ion IO- by hypochlorite ion ClO- in basic solution. The equation is I- + ClO- --- IO- + Cl- Initial concentraition I- ClO- OH- exp 1. 0.010 0.020 0.010 exp 2. 0.020 0.010 0.010 exp 3. 0.010 0.010 0.010 exp 4. 0.010

asked by Lauren on February 17, 2008
81. ## Chemistry II

A 12.00 mL sample of sulfuric acid from an automobile battery requires 34.62 mL of 2.42 M sodium hydroxide solution for complete neutralization. What is the molarity of the sulfuric acid? H2SO4 + 2NaOH ==> Na2SO4 + 2H2O molarity NaOH x liters NaOH = mols

asked by Jayd on April 25, 2007
82. ## Chemistry

So I did a titration experiment using 0.01 M potassium permanganate. In an erlenmeyer flask I placed a mass sample of FeSO4- with enough DI water to have a total volume of 20-25ml. I recorded the volume of MnO4- it took for the solution to change color

asked by ALex on July 15, 2012
83. ## Elem. Ed.

I asked this question yeasterday, and was told that I was correct in thinking the most appropriate word to fill in the blank,was the word "expressive." Would someone please make sure that the word "expressive" would be the most appropriate word to use?

asked by Keisha on April 14, 2007
84. ## HEALTH PLZ ITS OVERDUE

1. The type of family structure that has a biological parent, a stepparent, and the children of one or both parents describes which type of family unit? a.blended family b.extended family c.foster family d.nuclear family 2.some children move from one

asked by regan on November 1, 2015
85. ## chemistry

What mass of solute is contained in 250 mL of 0.895 M NH4Cl? I think that this is a molarity question. Molarity = mass of solute/volume of solution in L. 1 mL = 0.001 L so 250 mL * 0.001 L = 0.25 L 0.895 M = X (mass of solute)/ 0.25 but since the answer is

asked by Danny on May 7, 2015
86. ## College Mathematics

what is the solution for this problem,create three sets, set A, B, and set C by going through the items in your wallet or purse. Set A will be a list of all of these items. Create Set B, from the items in Set A that you think are essential. Create Set C,

asked by Terrie on May 2, 2010

A kayaker paddled 2 hours with a 6 mph current in a river. The return trip against the same current took 3 hours. Find the speed the kayaker would make in still water. The speed is 6 mph slower going upstream and 6 mph faster going downstream. Distance

asked by Jessica on November 16, 2006
88. ## Chemistry

At what initial concentration would a solution of acetic acid (ka=1.8x10^-5) be 2% ionized? Thanks Responses Chemistry - DrBob222, Thursday, February 12, 2009 at 10:00pm Let's call acetic acid HAc. Then the ionization is HAc ==> H^+ + Ac^- We will call the

asked by Chemistry - Repost for DrBob222 on February 12, 2009
89. ## Chem (HELP!!)

Test tomorrow too! I don't understand how to do these at all! HELP PLEASE _______________________________ 3.) 11.45 L of milk spilled on the floor. How many gallons spilled? 6.) Suppose 19.0 quarts of water is consumed by a thirsty dessert traveler. How

asked by Emily on September 22, 2015
90. ## college chemistry - molarity question

My textbook doesn't show me how to do problems like the following, and I'm having a hard time finding similar problems online. Most of the molarity problems I'm finding involve mixing a substance with water, but these involve mixing moles of substances

asked by lholmq on April 29, 2009
91. ## Calculus - HELP URGENT PLEASE

Consider a lake of constant volume 12200 km^3, which at time t contains an amount y(t) tons of pollutant evenly distributed throughout the lake with a concentration y(t)/12200 tons/km^3. assume that fresh water enters the lake at a rate of 67.1 km^3/yr,

asked by Ashley on August 20, 2015
92. ## math

Which graph shows the solution to the inequality? x - 4 ≥ -1 graph A is a number line with -10 through 3 graph b is a number line with 3 through 10 with a circle on 3 graph c is a number line with 5 through 10 graph d is a number line with 3 through 10

asked by Anonymous on January 18, 2019
93. ## Algebra

Plane A is flying at a rate of 560 mph and is traveling 1960 miles from Phoenix to Washington, D.C. Determine how long the flight will take. Which answer choice shows the correct equation and solution for the situation? a)The equation is 1960h=560. The

asked by Emma on July 27, 2016

My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she

asked by Laruen on November 8, 2011
95. ## Math

look at this other chart- 36 of 200 cat owners prefer human food only, 116 out 0f 200 perfer pet food only,48 out of 200 pet owners perfer human and pet food so what percent of cat owners repoter that their cats liked either human food or pet food only.

asked by Julie on May 31, 2007
96. ## chemistry

Reaction 1: I2(aq)Cu^+2(aq) Ag^+(aq)Br2(aq) Column 1---Column 2---Column 3---Column 4---Column 5 I-(aq)---X---X---T---T Cu(s)---T---X---T---T Ag(s)---X---X---X---T Br-(aq)---X---X---X---X Reaction of metals and solution of ions Reaction 2:

asked by Joseph on April 14, 2008
97. ## US History

Source: "Brutus" Letter XVI April 10, 1788, "John DeWitt" Letter III Nov. 5, 1787, Anti-federalists Papers They uniformly exercise all the powers granted to them, and ninety-nine in a hundred are for grasping at more. It is this passionate thirst for

asked by Anne on December 18, 2013
98. ## algebra/geometry

The Binary Ice Cream Shoppe sells two flavors, vanilla and chocolate. On Friday, the ratio of vanilla cones sold to chocolate sold was 2:3. if the store had sold 4 more vanilla cones, the ratio of the vanilla cones sold to chocolate cones sold would have

asked by abby on April 15, 2008
99. ## economics

cattle rancher (A) owns a property next to an apple farm (B) cattle sometimes tent to roam into B's land and damage the trees. The rancher can choose the size of the herd. revenue form cattle is \$6 per head. The following schedle lists A's marginal