What is the empirical of compound (X) going through the following decomposition reaction?

79,817 results, page 97

  1. chemistry

    my last question is how do you determine the molecular formula of a covalent compound given its formula?
  2. science

    it has at lease one meal and one nonmetal element. compound salt
  3. science

    why organic compound freezes from bottom while water freezes from top???
  4. science 4th grade

    How are the properties of the compound water different from the properties of the elements in it?
  5. Chemistry

    What is the ratio of carbon atoms to hydrogen atoms in the compound 2CH2 = C2H4? A. 1 to 9 B. 9 to 1 C. 3 to 6 F. 6 to 3
  6. math

    find the compound interest on Rs15000 at 8% for 9 months, the interest payable quartely
  7. math

    Rx: 2% Testosterone qs ad Petroleum Jelly 240gm How many ml of Testosterone is needed to make this compound?
  8. Science

    In this type of matter it consists of only one type of element or compound what is it?
  9. Algebra

    Which inequality represents the solution set for the compound inequality below? -3<or equal to -2x + 1 < 11
  10. mechanical/eginineering

    when a compound gear cluster is created how is the mechanical advantage calculated
  11. Chemistry

    Calculate the number of grams of xenon in 3.566 g of the compound xenon tetrafluoride.
  12. Chemistry

    Calculate the number of grams of xenon in 3.566 g of the compound xenon tetrafluoride.
  13. Barrles

    if x<5 and x>c, give a value of c such that there are no solutions to the compound inequality.explain why there are no solutions?
  14. Chem

    the formula mass of an unknown compound is 44.009 amu. What is its molar mass?
  15. maths

    principal 224000,rate of interest 2%, time 16 years,what is compound interest.
  16. chemistry

    2.2. Billions of kilograms of urea, are produced annually for use as a fertilizer. The reaction used is given below. NH3(g) + CO2(g) → CO(NH2)2(s) + H2O(l) The typical starting reaction mixture has a 3:1 mole ratio of NH3 to CO2. If 47.7 g urea forms per mole of that ...
  17. college algebra

    Deshaun is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A has no initial fee but charges .70 cents for every mile driven. Company B charges an initial fee of $50 and an additional .20 cents for every...
  18. Physics equation?

    can anybody tell me an equation that can be used to find the number of electrons flowing through an LED every second? and also refer or give me any information that could explain another mechanism (apart from the fact that they denote energy to a single photon of light) by ...
  19. physics

    In a double slit experiment with a single electron, a very thin film of fluorescent material that emits a photon whenever an electron passes through is placed on one of the slits to check which slit the electrons goes through. Describe the resulting pattern on the detecting ...
  20. Principles of Management

    Answer questions 1 through 3 based on the following fact: Wal-Mart sometimes forced its employees to work over time without pay. 1. Which stakeholder of Wal-Mart is the fact mainly about? a. Customers. B. Employees. c. Suppliers. D. Governments. 2. What strategy best describes...
  21. chemistry

    Is titanium an elemnt, compound, heterogenus mixture ,or homogenous mixture?
  22. chemisty

    What is the percent bromine in a compound made of 1g of hydrogen and 80g bromine?
  23. chem

    why do different compound have different colours in their visible emissions?
  24. algebra

    I get it all done and it is wrong please help solve this thanks. Solve the compound inequality. 4x-3/8<-6 or 4x-3/8>6
  25. chemistry

    figure 1 HO- ######## # # # # # # # # # # HO-# # # #-CH=CH-NH2 # # # ###### # # # ######## BENZENE RING what is the name of this compound or figure 1
  26. Chemistry

    Is Bronze an element, compound, heterogenous mixture or homogenous mixture?
  27. English/ Writing

    What are some bad compound concepts and what makes them bad?
  28. CHEMISTRY

    Does a molecular compound in water have hydration or have ionization ?
  29. Algebra 2

    Please help!!!! Please help me with this Graph the compound inquality on the number line. x<3 or x>6=
  30. English ( Another evening at the club)

    1. Why is there no charity in Mithila? A.) No one in the country is need of it. B.) The poor can collect the cast-off C.) jewelry for money. D.)The wealthy are greedy and do not give to the poor. No one is wealthy enough to give to others. 2. Why does Sita feel ill after ...
  31. chemistry

    black smokers are found in the depths of the oceans. thinking that the coditions in these smokers might be conducive to the formation of organic compounds, two chemists in the germany found the following reaction could occur in similar conditions: 2CH3SH+CO-->CH3COSCH3+H2S ...
  32. CHEMISTRY HELP NOW PLZ!

    which of the following coordination compounds will most likely form a precipitate when treated with an aquesous solution of silver(l) nitrate? A) [Cr(NH3)2CL3] B) [Cr(NH3)6]Cl3 C) [Cr(NH3)Cl]SO4 D) Na3[Cr(CN)6] E) Na[CrCl6] i think its either a or b but i don't know which ...
  33. PHYSICSI

    The rotating loop in an AC generator is a square 11.0 cm on a side. It is rotated at 60.0 Hz in a uniform field of 0.800 T. Calculate the following quantities as functions of time t, where t is in seconds. (a) the flux through the loop mT·m2 (b) the emf induced in the loop V...
  34. English

    The following sentence indicates what kind of bias: The best art can cut through our tendency to experience life with complacency and prejudgment? a)There is no bias. b)a positive bias c)a partly positive and partly negative bias d)a negative bias
  35. english

    We're going to dance. correct punctuation
  36. Freshman comp

    Im going to do it on Resumes hows that ?
  37. Science

    A truck is going from 20 km/h to 59 km/h in .20 hours, has an acceleration of what?
  38. math

    5-(t+3)=-1+2(t+3) I don't know how to do it. I need help going over the steps
  39. physics

    A car that is traveling at 28.16 m/s is going about
  40. physics

    A car that is traveling at 28.16 m/s is going about
  41. science

    going 80 km/h how far can you travel in 30 minutes?
  42. History

    Workers refuse to work by going on what?
  43. civics

    going global unit exam
  44. Chemistry

    At 300.K and 1.00 atm, assume that 25 mL of NO gas reacts with 22 mL of oxygen gas and excess water to produce nitric acid according to the following equation: 2NO(g)+(3/2)O2(g)+H2O(l)-->2HNO3(g) If all of the nitric acid produced by this reaction is dissolved into 25 mL of...
  45. Chemistry

    At 298.K and 1.00 atm, assume that 22 mL of NO gas reacts with 18 mL of oxygen gas and excess water to produce nitric acid according to the following equation: 2 NO(g) + 3/2 O2 (g)+ H2O(l)?? 2 HNO3(g). If all of the nitric acid produced by this reaction is collected and then ...
  46. physics

    1. A whistle you use to call your hunting dog has a frequency of 21 kHz, but your dog is ignoring it. You suspect the whistle may not be working, but you can't hear sounds above 20 kHz. To test it, you ask a friend to blow the whistle and hop on their moped. In which direction...
  47. English(check)

    Will someone please check my answers. I'm not sure what is the answer for #1. It is just too confusing. ** Italic. ()underlined. 1)Choose the answer that tells how to correct the sentence. If the sentence is correct, choose "correct." “I’ll make a deal with you,” Dad ...
  48. Chemistry Lab

    The experimental data you entered is: Trial #1 Trial #2 Trial #3 Mass: gelatin capsule (g) .123 .118 .122 Mass: whole alka-seltzer tablet (g) 3.230 3.230 3.230 Mass: capsule + alka-seltzer sample (g) .822 .882 .677 Mass: system before reaction (g) 23.109 23.110 22.735 Mass ...
  49. science

    what would the formula be for a compound containing chromium (III) ions and ions of element 27?
  50. Organic Chemistry

    2. Why doesn’t the neutral organic compound (Flourene) dissolve in 1.5 M sodium hydroxide solution?
  51. Inorganic Chemistry

    In the molecular compound [Co(NH3)3(DMF)](NO3)3 what is the mode in which DMF is preferred?
  52. english

    where is the simple subject and compound subject in this sentence?They are projecting a sales increase of 14 percent.
  53. chemistry

    The poison strychnine is a weakly basic compound with Kb = 1.8 „e 10ƒ{6. What is the pH of a 0.058 M solution of strychnine? a. 3.49 b. 7.30 c. 8.26 d. 10.51 e. 12.76
  54. Chemistry

    How do I calculate the solubility of a compound in grams of solute per 100 grams of solution?
  55. math

    find the compound interest on Rs 15000 at 3% for 2 years 3 months interest payable yearly
  56. Math

    Write each compound inequality as an absolute value inequality. 1.3 < h < 1.5 Could someone give me the step too? Thanks
  57. Spelling and Writing

    how to rewrite sentences that have mistakes in capitalizing and punctuating compound sentences
  58. Chemistry

    1. I have 2% NaCl solution. From this I want to prepare a solution to contain 0.1 g of the sodium compound in 2 mL of water. Thanks
  59. pharmacy technician

    2% testosterone qs ad petroleum jelly 240g. How many ml of testosterone is needed to make this compound?
  60. math

    calculate the compound interest on an investment of $18,000 at 8% interest compounded quarterly for 15 months.
  61. chem HARD

    can anyone explain to me why LiCO3 is NOT a lithium compound? and what exactly is needed for lithium compounds?? thanks!
  62. PT

    You are given a compound which calls for combining 30 grams of 2.5% hydrocortisone cream with 15 grams of zinc oxide
  63. chemistry

    CH3-C=C-CH3 IS CLASSIFIED AS A) ALKANE B) ALKYNE C) AROMATIC COMPOUND D) HALOALKANE E) ALKENE
  64. chemistry

    why oxides of carbon ,carbonates ,hydrogen carbonates ,cyanides and cyanates are not organic compound?
  65. chemistry

    Write out the mechanism (using correct curved arrow notation) for the acid-catalyzed, cis-trans isomerization of maleic acid (into fumaric acid) If the electrophilic addition reaction of maleic acid with HCl had gone to completion what would be the structure of the addition ...
  66. Organic Chemistry

    I got some multiple choice questions to practice and I'm not sure of how to get the answers... 1). Which of the following corresponds to the COC bond angle in dimethyl ether?-94 degrees, 110degrees, 180 degrees, 122 degrees, or 60 (i think it's 110 2). classify the reaction ...
  67. English

    I forgot to include the following sentences which belong to the same summary. Thank you for you help. 1) One day he got to the beach and saw it was covered with human bones. He realized that cannibals had eaten men on his island. He believed that cannibals ate other men ...
  68. Chemistry II

    The enthalpy of neutralizatino for the reaction of a strong acid with a strong base is -56 kJ/mol of water produced. How much energy will be released when 230.0 mL of 0.400 M HCl is mixedwith 150.5 mL of 0.500 M NaOH? How do I figure out how much water is produced in the ...
  69. chemistry

    the thermite reaction was previously used to weld the rails of railroad tracks together. the reaction is: Fe2O3(s)+ 2Al(s)--> 2Fe(l)+ Al2O3(s) (2Fe and 3 oxygen) (2Al and 3 oxygen) what masses of iron(III) oxie and aluminum must be used to produce 15.0g of liquid iron? what...
  70. Chemistry

    I'm doing a lab where I have to identify the oxidization state of Iron. Here's the procedure I had to go through: Use 0.5 molar concentration of CuSO4, get another beaker and add 0.1 grams of Iron to it. Add the CuSO4 to the beaker with the Iron fillings. Wait for the reaction...
  71. Chem

    KHC4H4O6(s)<-> K+ (aq)+ HC4H4O6-(aq) 1) If the above reversible were started with only solid potassium hygrpden tartrate, which reaction would proceed faster, the "forward" or "reverse"? I said forward 2) If the reactions were started with only the separated ions present...
  72. algebra

    Special factorization Completely factor the following expressions 250x^3-128 X^6-1 X^6+1 x^2-8xy+16y^2-25 16x^4a-y^8a ((8x^3)/125)+(64/y^3) I was given a set on how to do this skill, but it didn't really cover on how to attack these kind of expressions. I was wondering if ...
  73. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  74. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  75. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  76. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  77. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  78. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  79. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  80. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  81. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  82. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  83. Chemistry

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  84. CHEMISTRY

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  85. CHEMISTRY

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  86. CHEMISTRY

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  87. CHEMISTRY

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  88. CHEMISTRY

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  89. CHEMISTRY

    im a little confuse on this problem. "in the production of copper from ore containing copper(II) sulfide, the ore is first roasted to change it to the oxide according to the following equation: 2CuS + 2O2 --> 2CuO + 2CO2 [i already balanced it] A. If 100 g of CuS and 56 g ...
  90. Chemistry

    Consider the following reaction: 4NH3 + 7O2 (arrow) 4NO2 + 6H2O. A) How many moles of NH3 react with 5.64 mol of O2? B)How many moles of NO2 are obtained from 3.27 mol of O2? C) How many moles H2O will be produced from 8.95 g of NH3? D)How many grams of NH3 will be needed to ...
  91. Chemistry

    i asked this question earlier and thanks to dr bob i got the empirical formula. which is C6H3O2. I need help finding the molar mass to get the molecular formula. Terephthalic acid is an important chemical used in the manufacture of polyesters and plasticizers. It contains only...
  92. chemistry 20

    A student mixed a solution of aqueous calcium chloride with an aqueous solution of magnesium sulphate. A precipitate formed. 1) Write the balance chemical equation for the reaction including states of matter. Ensure you write the reactants as a dissociated ions. 2) Based on ...
  93. english

    Correct the following sentences for subject verb agreement , tenses and fragments 1.my car is very playful 2. When he thought he could afford to pay his own school fees 3.these are great news indeed , I can't believe I made it 4.when I was young , I use to love playing with ...
  94. chem

    Consider the following reaction. 2 HCl(aq) + Ba(OH)2(aq) BaCl2(aq) + 2 H2O(l) H = -118 kJ Calculate the heat when 112.4 mL of 0.500 M HCl is mixed with 300.0 mL of 0.515 M Ba(OH)2. Assuming that the temperature of both solutions was initially 25.0°C and that the final mixture...
  95. chemistry

    Nitric acid is produced commercially by the Ostwald process, represented by the following equations. 4 NH3(g) + 5 O2(g) 4 NO(g) + 6 H2O(g) 2 NO(g) + O2(g) 2 NO2(g) 3 NO2(g) + H2O(l) 2 HNO3(aq) + NO(g) What mass in kg of NH3 must be used to produce 4.4 multiplied by 106 kg HNO3...
  96. French

    hello I am going to a french interview tomorrow and the teacher is going to ask me:"do you have a topic that you have prepared that you want to talk about?" in french. and i will say "yes i have. my topic is about my house..." can someone please tell me how to say "yes i have...
  97. chemistry

    Suppose a compound Z had a partition coefficient of 8.0 in ether-water. If 10.0 g of Z was dissolved in 100 mL of water, and if the water solution was extracted with two 100 mL portions of ether, answer the following questions. show your calculation. a) What is the total ...
  98. Chemistry

    i need some help with my science homework it`s the chemistry GCSE core:C2 TASK SHEET i need to design a leaflet explaining how to extract gold aluminium and iron. the words i need to include are anode,bauxite,carbon,carbon dioxide ,cathode,crust,cryolite,displacement,reaction,...
  99. Physics

    A parallel plate capacitor has a rectangular plates with length 5cm and width 3cm. They are separated by a distance 12m and hooked up to a 20V battery A.) what is the area of each plate in m^2 B.) assuming nothing else is present on the circuit what is the potential difference...
  100. maths

    A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of the body after it ...
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