Questions Asked on
April 23, 2007

  1. Chemistry

    1.Arrange the following oxides in the order of increasing basicity. -Al2O3 -B2O3 -CaO -Ga2O3 -In2O3 -RaO 2.Arrange the following oxides in the order of most basic to most acidic. -Al2O3 -Cl2O7 -Cs2O -N2O5 -Na2O -P2O5 -SO3

    asked by Mark
  2. English

    Can you help me unscramble these words; dramalanse,ubrocai,planotee,evebra, chorits. they are animal names.Please help!!! thanks Try these: http://www.ssynth.co.uk/~gay/anagram.html http://wordsmith.org/anagram/ http://www.unscramble.net =) unscramble to

    asked by Dora
  3. Math

    If you told someone that the greatest depth of Lake Superior is 1333ft would you be expressing a number similar to mode, median, mean or range? That would be the range. The mode is the numbers that appear most often. Median is the middle number and mean is

    asked by Connor
  4. chemistry

    Write the balanced chemical reaction for the rusting of iron? the acidic vinegar dissolved a protective coating off the steel wool, allowing the oxidation of the steel to begin. This process is called rusting. In this reaction, iron(III) is combined with

    asked by Rox
  5. chemistry help asap!

    Suppose you are studying coordination compounds of Co(II) with the ligand pyridine (py, C5H5N, MW = 79.10). You isolate a crystalline compound and since the only available ions are chloride and nitrate, you hypothesize the empirical formula of the

    asked by yellowone
  6. calc/physics

    A force of 250 N is required to stretch a spring 5m from rest. Using Hooke's law, F=kx, how much work, in joules, is required to stretch the spring 7m from rest? The energy required scales with x^2. Multiply 250 J by (7/5)^2.

    asked by Mischa
  7. CHEMISTRY

    which of the following elements would have the highest melting point?> a)K b)Mg C)Na D)al e)Ca Calcium would have the highest, follwed by aluminum, magnesium, sodium, lowest melting point-potassium. Please double check thank you i found that you are

    asked by ISA
  8. Maths help

    Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The cross-section of a cylinder is a circle. so pi(r)^2=18 solve for r

    asked by Ali
  9. math

    Please help me to find the five-number summary of the following set of numbers.338, 226, 149, 391, 247, 501, 300, 223, 320 According to a definition I found online, "The five-number summary of the data consists of the minimum data point, the first

    asked by carmen
  10. Trigonometry

    Need help solving problems using the Trigonometric Identities: 8cos^4 thet=cos4theta+4cos2theta+3 I am a bit unsure how to solve it. I am aware that the first step I must take is to simplify the problem and then use the Product to Sum formula Nasty one!

    asked by sierra
  11. Chemistry

    I have to write the balanced equation for the reaction between hydrochloric acid and zinc metal.I came to the answer of: HCl+Zn(s)-->H(g)+ ZnCl Can someone tell me if this is the correct balanced equation for this reaction? No it isn't but it's close. The

    asked by Chrissy
  12. maths help

    Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The volume of a cylinder is given by volume = (cross-sectional area) x

    asked by Ali
  13. Chemistry

    Suppose you are studying coordination compounds of Co(II) with the ligand pyridine (py, C5H5N, MW = 79.10). You isolate a crystalline compound and since the only available ions are chloride and nitrate, you hypothesize the empirical formula of the

    asked by Olivia
  14. chem

    Which of the following oxides is not highly ionic? BeO MgO CaO SrO BaO I believe is BeO because is an amphoteric oxide...may be I could be wrong please help me... You are right. BeO it is.

    asked by nivi
  15. SoCiAl-(please help)

    Does anyone know of a nation that is on the northwestern border of France- not Britain or Ireland? I think it could be Belgium, Normandy, or Switzerland. 1) Normandy is part of France. http://www.lonelyplanet.com/mapshells/europe/france/france.htm Check

    asked by brie
  16. chem

    The most poisonous ofthe chemical elements is... A.Ar B.As C.Be D.Bi E.Pu I thought in the beggining it was As, but got it wrong...so I believe it would be Pu...can somebody help... Almost all compounds of As are toxic to humans but As metal, itself,

    asked by nivi
  17. SoCiAl

    Hitler entered France by conquering this nation on its northwestern border_________. This question was on a test I just got back today and I can't figure it out. Isn't the only nation on the northwest border of France Great Britain??? Anyway, the answer is

    asked by Anonymous
  18. CHEMISTRY

    how many grams of zinc are required to react with excess acid to make one liter of hydrogen at STP? i have no clue how to go about this i need help Write the balanced equation. Zn + 2HCl ==> ZnCl2 + H2 2. Use PV = nRT to convert 1 L H2 gas to mols OR take

    asked by yellowone
  19. Physics please check repost

    The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 4.0 x 10^5 Pa, and the horizontal divisions represent 4.5 x 10^-3 m3. The diagram is a upright rectangle divided into small squares

    asked by Mary
  20. HELP Please. Geography.

    I found some links for the geological history for the appalachian mountains BUT it confuses me. Can you please simplify the formation of the Appalachian mountains?? please? thanks. Basically the mountains were created due to the merging of the continents

    asked by Sasha
  21. vocab urgent

    i need 3 more sentences using circuitous please help i really need it! Thank you for using the Jiskha Homework Help Board but we do not DO the work for you! Use any good dictionary for the definition. Use any good Thesaurus for a synonym and/or antonym.

    asked by anonymous
  22. Physics please check repost

    The pressure and volume of a gas are changed along a path ABCA in the figure. The vertical divisions on the graph represent 4.0 x 10^5 Pa, and the horizontal divisions represent 4.5 x 10^-3 m3. The diagram is a upright rectangle divided into small squares

    asked by Mary
  23. Physics

    When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, its frequency is 12 Hz. When another object of mass m2 is hung on the spring along with m1, the frequency of the motion is 4 Hz. Find the ratio m2/m1 of

    asked by Papito
  24. Math

    What is the range of this data? 36,64,37,53,60 The smallest number is 36 and the largest number is 64. What do you think the range is? 28

    asked by Michael
  25. chemistry

    which is the most reactive form of phosphorus? blue, red, white or black? or are they all equally reactive? I suppose its a matter of how you define reactive but I would go with white since that reacts at room temperature with oxygen of the air to creat

    asked by naty girl
  26. CHEMistry help plz

    a coordination compound of cupric ion can be described asa Cu(NH3)x SO4. it is known to be 29.9% NH3. what is the value of X? 4. Check it to see if that gives 29.9% NH3.

    asked by naty girl
  27. Chemistry

    How many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water? I am not quite sure what the reaction is, but if you are going from Fe(2+) to Fe(3+), the Fe is losing one

    asked by Jessica
  28. Trigonometic

    Solving Trigonometic Equations 1)sinx = (4/5) 2) cosx = (-12/13) Solving Trigonometic Equations 1)sinx = (4/5) 2) cosx = (-12/13) What is the question? Solve for x? x= arcsin (4/5) put that in your calculator. Same for the next. For both cases I recognize

    asked by abdo
  29. science

    how does an electric ciircuit work? Books have been written about electrical circuits, what kinds, specilized circuits, etc. You need to be a little more specific with your question.

    asked by garret
  30. science

    what is the importance of fuses? They are placed in electrical equipment and in houses (although most houses now use circuit breakers) as safety devices. If a short occurs and too much electrical current is going through the circuit, the fuse "blows"

    asked by garret
  31. Chemistry (again)

    I need help with this question: Suppose you bake two cakes and the the one with twice as much baking powder raises twice as much. Is this proof of the relation between concentration and reaction rate? See I know concentration has an affect on reaction rate

    asked by Chrissy
  32. s.s

    Which statement BEST describes the mood of the continental congress in May 1775? a. few delegates wanted a formal break all ties with britian. b.most delegates wanted to break all ties with britian. c.A majority of delegates believed that war with britian

    asked by kelly
  33. Math

    The path of a softball is given by the equation y=0.08x^2 + x + 4. The coordinates x and y are measured in feet, with x=0 corresponding to the position from which the ball was thrown. A) Use a graphing utility to graph the trajectory of the softball. B)

    asked by Laura
  34. MICROECONOMICS

    This is really long but i really need help!! THX In 1973, there was a war between some arab countries and Israel. Many western countries wanted to help Israel. Some arab oil exporting countries have reacted by cutting oil exports to those countries. Prices

    asked by Lamia
  35. Geography

    I need to do a power point presentation on the Appalachian mountains. I need to find the geological history,rock structure,appearance,soil, vegetation,wildlife, and human activities. Can you please provide me with links with these information? Thanks so

    asked by Sasha
  36. Chemistry

    Why is the equivalence point of a weak acid-strong base titration above 7.0? How can the data reflect this? The titration of a weak acid with a srong base produces a salt of the two. The anion is hydrolyzed in water solution but the cation is not. A^- +

    asked by Anonymous
  37. chemistry 2

    Which group from the periodic table contains two elements that exhibit +2 and +4 oxidation states? 1A, 2A, 3A, 4A, 5A, 6A OR 7A 4A. C, Sn, Pb That it 2A and 4A

    asked by ISA
  38. PROGRAMMING

    PLS, I NEED TO BE GUIDED ON HOW TO WRITE A SIMPLE PROGRAM IN BASIC THAT WOULD PROMPT 3 LEVELS OF AUTHENTICATION WHEN UNAUTHORISED LOG-ON IS EFFECTED. You are not going to be able here to get detailed help on the program code, as there are many, many

    asked by UZOWULU CHARLES
  39. position paper+can someone edit it for me thanks!

    thanks Writeacher What is a senate? A senate is the upper house of the legislature. It is also know as the red chamber. The senate’s job is to undertake in-depth inquiries into issues. Many people argue against and for the senate this is an important

    asked by Anonymous
  40. chem

    For which element would you expect isotope effects to be of the greatest importance in CHEMICAL processes? a.H b.He c.Li d.B This problem could be interpreted many different ways and come up with different answers, I suppose. In the context of number of

    asked by nivi
  41. can someon edit the rest of my position paper thnk

    The Senate In reality has no real job. Yes, the senates can disapprove or approve any piece of government legislation. If however the House of Common disagrees then they over rule the senates. If the prime minister loses the support of the House of Commons

    asked by Anonymous
  42. chem

    1.Which of the following elements has the largest known oxidation number (in magnitude)? Pt Au Os Fe Ru 2.Which of the following metals has the highest melting point? Al Mg K Na Ca I know that Ca is wrong because I tried it, so I really think it has to be

    asked by nivi
  43. water vapor

    When the weather is hot, and the inside of the house is cold, why do droplets of water form on the windows? Do they form on the outside or inside of the windows? Thanks. Water droplets form because of condensation. Here is a site that that talks about

    asked by Isabella
  44. math

    how do you change the fraction 8/35 to a percent? please try to help. thanks You would put 8 divided by 35 into your calculator, and you get 0.22.......... Next, you would move the decimal two places to the right and round to the nearest tenth- about 22.9%

    asked by kayla
  45. maths

    The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin(pie t), where d is the horizontal distance (in cm) from the central starting

    asked by katie
  46. maths

    The head of an industrial machine moves in a straight line horizontally backwards and forwards from a central position. The movement can be modelled using the sine wave d = 80 sin ( pie t), where d is the horizontal distance (in cm) from the central

    asked by k
  47. math

    bill and anig both have baseball cards. aniq has four times as many cards as bill. the number of cards aniq has is equal to the number of cards that bill has plus 60. determine how many cards aniq has. This becomes a direct translation of the "English"

    asked by ashley
  48. US History

    To what extent did events of the 1890s foreshadow events of the 1990s?? Can someone find me some info so I can write an essay about it. I tried looking for some info but could not find anyhting. I would greatly appreciate it. Thanks

    asked by John
  49. Math

    I cant get the metric system. Are there any tips that can help me learn conversions? Make and use flashcards. Measure things with both scales. Thanks!

    asked by DMC
  50. History

    To what extent did events of the 1890s foreshadow events of the 1990s in the United States?? John or Dave or whoever (same IP address): Your question has already been addressed: http://www.jiskha.com/display.cgi?id=1177369579

    asked by Dave
  51. Economics

    Problem #1: If the economy is self-regulating, wouldn’t these scenarios represent correct and sequentially accurate economic explanation? a)

    asked by Sally
  52. History Essay

    Can someone find me an example essay that deals with the following question. I am having trouble finding one. " TO what extent did events of the 1890s foreshadow events of the 1990s?" I just need an example so I can use it to get an idea of what exactly to

    asked by Dave
  53. math

    please help me to perform the indicated operation.15-20/(3)(5)-15 You need additional parentheses or brackets to clarify the order of operations. For example, 15-{20/[(3)(5)]}-15 = 20/15 = 4/3 (15-20}/[(3)(5])-15 = -15 1/3 15-[20/(3)](5)-15 = 100/3

    asked by carmen
  54. English

    what do i write for the intertextual links of a text? Can you amplify your question some? It is not clear on what you are writing, and what you are doing with the intertextual links. i have finished reading a novel, and i have to write about the context,

    asked by Pauline
  55. 5th Grade Math

    I cannot get my brain around questions like this: 1/4 divided by 2/5 = 2/4 x ? I have 4 problems like this and even the example doesn't make sense - I may have copied it wrong off of the board. Can anyone help? Thank you! You invert the second fraction and

    asked by Kathleen
  56. English

    We are supposed to give a presentation of a certain author, we are supposed to talk about customary themes; but even though I have look it up I can't understand what it is, can you guys tell me? Thanks in Advance (Broken Link Removed) This site has a good

    asked by Claudia
  57. math

    Round the number 43,678.426785 to the nearest ten thousand 40,000 or 50,000. 43,678 is less than half way to 50,000 so 40,000 is to the nearest 10,000.

    asked by abe
  58. Trigonometic

    Solving Trigonometic Equations solve for x : ( by radian) 1)cotx= 3 2)secx = 0.5 1) Same as tan x = 1/3. Use a calculator. I get 0.321 radians 2) sec x = 0.5 is not possible. The absolute value of the secant must be one or more. >

    asked by abdo
  59. can some one edit my essay?

    The Senate In reality has no real job. Yes, the senates can disapprove or approve any piece of government legislation. If however the House of Common disagrees then they over rule the senates. If the prime minister loses the support of the House of Commons

    asked by Anonymous
  60. ss

    The british army was trapped at yorktown by? a.an army led by friedrich von stueben b.a freet of spanish warships c. a fleet of french warships d. guerella fighters led by francis marion. Isnt it C I want this paper to be correct in all the answers as much

    asked by kelly
  61. SoCiAl

    Also, was Charles De Gaulle a Prime Minister or an author? my eng. teacher said he was an author but my friend said he was a Prime Minister. What do you think? or was he neither? Thank you for using the Jiskha Homework Help Forum. Here are some links on

    asked by brie
  62. eNgLiSh

    If you were writing a bibliography/works cited page, how would you write one for a book if there are three authors? This is what I think: Davidson, James West et al., eds. The American Nation(underlined). (city: publisher, year). But is the et al., eds

    asked by brie
  63. thanks~

    The Senate In reality has no real job. Yes, the senates can disapprove or approve any piece of government legislation. If however the House of Common disagrees then they over rule the senates. If the prime minister loses the support of the House of Commons

    asked by can some please edit my essay+ position paper
  64. English- Essay Help!

    Okay, so for part of an essay, i have to say WHY i picked the subject i did. My subject's Toussaint Louverture, and the only thing i can think of is that it's not good to think that all french people are white, and that he's a great example of someone who

    asked by narine
  65. can someone edit my essay?

    The Senate In reality has no real job. Yes, the senates can disapprove or approve any piece of government legislation. If however the House of Common disagrees then they over rule the senates. If the prime minister loses the support of the House of Commons

    asked by tahnks~
  66. social studies

    Identify the constitutional issues posed by the doctrine of nullification and secession and the earliest origins of that doctrine Please tell us what you've found about this question, and we'll be glad to help you.

    asked by heidi
  67. analogy

    gregarious:unfriendly::volatile:______ prodgious, explosive, fleeting, caustic, or inert I know that gregarious and unfrriendly are opposites, but I can't figure out which word is the opposite of volatile. http://www.answers.com What's the general meaning

    asked by Jordan
  68. math

    7 1/6 - 6 4/6 = ? could you please show me the steps to do this problem? thank you, ryan 7 1/6 = 6 7/6 - 6 4/6 = -6 4/6 ------- 3/6 = 1/2 mixed fractions are useless in calculations so the first thing you have to do is change them to improper fractions 7

    asked by ryan
  69. chemistry

    out of H2Se SiO2 H2O CO2 which of these does not arrange itself into tetrahedral environment when bonding ins a solid state? ok i don't know i need help with this big time There is electronic geometry as well as molecular geometry. The question doesn't

    asked by yellowone
  70. math

    three students took part in an after-school science club. Each student planted a sunflower and observed its growth over time. The graph below shows this data. Create a table that represents the x and y values of the graph. How has each student's sunflower

    asked by .......................................
  71. math

    im not sure what a exponential growth pattern is and I need to find a pattern, than describe it http://www.answers.com/topic/exponential-growth

    asked by jason
  72. economics

    I am writing a paper on how the monetary and fiscal policies have affected the auto industry i can not seem to find any web site to help me with this can any one give any suggestions Does available credit affect the auto industry? Does disposable income

    asked by larry
  73. algebra

    How do you factor out the greatest common factor? 1. 96x^9y^8+60x^2y^6-84x^4y^4 2. 13m^2-22r^3 3. 24m^8+48m^5-36m^2 1. In the coefficients look for the largest number which evenly divides into all the coefficients of the given terms 2. Variables must have

    asked by shea
  74. ALGEBRA 1

    Use the Quadratic Formula to solve 1.

    asked by DANIELLE
  75. math

    A=p+prt, for t how about subtracting p from both sides, then dividing both sides by pr I think it could be A divided by p, then the quotient of that minus the product of r and t. if you divide by p first you get A/p = 1 + rt then A/p - 1 = rt now you still

    asked by alexia
  76. Trigonometic

    Solving Trigonometic Equations solve for x : 1)sinx = (4/5) 2) cosx = (-12/13) I will do the second one. first of all since the cosine is negative the angle must be in either the second or third quadrants. To find the "angle in standard position" take

    asked by abdo
  77. can someone edit my body paragraph thanks :

    can someone edit my body paragraph thanks : The senate has important jobs that not many people know about. One of them is to disapprove or approve any piece of government legislation; with the help of the House of Commons. As well the senates investigate

    asked by Anonymous
  78. Maths

    Please Could someone tell me what: 1. A square number is 2. A cube number is 3. A triangle number is Thank you Square numbers are the result of squaring an integer (IxI) Cube numbers are the result of the cube of an integer (IxIxI) A triangular number is a

    asked by sean
  79. Economics

    Suppose that S(savings) = $4 billion when Real GDP = $200 billion & S(savings) = $104 billion when Real GDP = $600 billion. If Autonomous investment falls by $100 billion what would be the effect on Real GDPeqm.? Note: eqm. = equilibrium My answer is a

    asked by Sarah
  80. Economics

    If the economy is self-regulating, wouldn’t these scenarios represent correct and sequentially accurate economic explanation? 1)

    asked by Sally
  81. math

    I need help figuring out these four euations with integers 5x=-25 6x-4=-40 x - +5=0 is this one 3 -x+7=-7 isnt this on 14 please help thank you very much OK, for the first one (5x=-25), you would go: -25 divided by 5, and that equals -5. The second one is

    asked by melody
  82. elements

    Are Cds made of dysprosium? As dysprosium has alloys with useful magnetic properties I would think it is more likely to used in the CD player than the CD, but I'm quite willing to be corrected. I doubt it. I would think it was too expensive for CD disks.

    asked by Emily
  83. physics

    could someone PLEASEE help me? Ive procrastinated and i'm really desperate... I'm supposed to teach the class about "relativistic momentum and mass" in terms of special theory of relativeity. i looked up infomation on google, but i don't understnad because

    asked by kay
  84. MICROECONOMICS

    Can anyone help me????? Are the cross-price elasticities of demand between the following pairs of products likely to be positive or negative? Briefly explain a.

    asked by Lamia
  85. MICROECONOMICS

    Can anyone help me??? Rank the products below in ascending order in terms of price elasticity of demand: A chicken meal, food for dinner, a soft drink after a dinner, a fruit desert after a dinner. Here's my guess, but you probably know more about the

    asked by Lamia
  86. MICROECONOMICS

    Can anyone help me???? Some restaurants throw away a lot of food at the end of every day. What can you say about the elasticity of supply for the restaurants industry. Briefly explain why it is the case? Lamia, Please note that no one here will do your

    asked by Lamia
  87. MICROECONOMICS

    Can anyone help me??? I have to answer this question: This is an excerpt from Wall Street Journal: Instead of relying on round trip fare of about $2,000 between Cleveland and Los Angeles…Continental Airlines since June has offered a $716 fare in that

    asked by Lamia
  88. MICROECONOMICS

    You want to estimate the price elasticity of demand for air transportation on the route Abu Dhabi-London for British Airways company? Explain briefly how you would do that. Anyone can help me answering this question?

    asked by Lamia
  89. FrEnCh

    What is a shoe verb? Evidently "acheter" is one of them because of it's accents. What are examples of other shoe verbs and what classifies them? Like, do they all have something to do with accents? I am french i can help you but what's a "shoe" verb???

    asked by brie
  90. business

    What is meaning of LLC & Entity. A business entity is the way the business is set up to run. It can be a partnership, sole proprietorship, corporation, LLC...these are all entities. A LLC stands for "Limited Liability Corporation." For more information,

    asked by Rohan
  91. Math:[

    how do you turn decimals to fractions? http://www.webmath.com/dec2fract.html This is a good tutorial. wdwqdr What is an Improper Fraction?

    asked by Shelby
  92. Social Studies

    Is there a desert in Italy? http://www.google.com/search?q=map+italy&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA Nope. =)

    asked by Jeffrey
  93. Geo.

    Can you please explain and provide me links for the rock structure of the appalachian mountains? I'm almost done my power point project...I just can't find this information. http://en.wikipedia.org/wiki/Appalachian_Mountains#Geology

    asked by Sasha
  94. math

    What is an Improper Fraction? one in which the numerator is larger than the denominator eg. 7/4 Thanks - I didn't have my book and wasn't sure if there was more to it.

    asked by Abbey
  95. analogies

    after is to before as death is to? birth

    asked by Launa
  96. analogies

    begin is to end as actor is to? begin and end are opposites (antonyms) What are your choices for the antonym for actor?

    asked by Launa
  97. math

    the cost of 6oz. of chicken is $2.00. how much would it cost for 1.5lbs. of chicken ? (16oz=1lb.) 2 simple ways: 1. if 6 oz cost 2.00 then 1 oz costs 2.00/6 = .3333. and then 16 oz cost 16(.3333..) =5.33 2. by ratios 2.00/6 = x/16 cross multiply and solve

    asked by christina
  98. MATH

    5+2 5 + 2 = 7

    asked by ROMINA
  99. Economics

    Problem #1: If the economy is self-regulating, wouldn’t these scenarios represent correct and sequentially accurate economic explanation? 1)

    asked by Sally
  100. math

    Properties of Equality 1) 12 X 2 = 24 so (12 X 2)/6 = 24/6 2) 19-4=15 so (19-4)+6 = 15+6 3) 21+7=28 so (21+7)-18 = 28-18 what properties are they looking for? (Broken Link Removed) First: division property second: addition property third: subtraction

    asked by Bev'sMom
  101. Science: Chemistry

    Can the Law of Conservation of Mass be applied to a chemical reaction in which a gas is produced? Yes. THe gas has mass.

    asked by Need Help
  102. math

    the ratio of jacks to marbles in the bowl was 2 to 5. if the bowl contained 350 jacks and marbles, how many were marbles? 2/7 are jacks, 5/7 are marbles.

    asked by ineedhelp
  103. Chemistry

    Is there another procedure for the titration? What equipement would you use? How would your results be different? How do you think we will know what procdure you used?

    asked by Anonymous
  104. immunology

    Is ragweed pollen t-dependent or t- independent and why?

    asked by stacey
  105. CHem Help

    what is the formula for laughing gas? is it N2O or N2O4? i think its N2O can anyone confirm this? It's N2O.

    asked by naty girl
  106. chemistry

    Boron, germanium, aluminum, silicon and antimony are all semimetals right? or am i wrong on this? i don't think aluminum. Antimony, aresenic, boron, germanium, selenium, silicon, tellurium. double check though.

    asked by Robert R.