SHOW WORK A 44g sample of CO2 has a volume of 22.4 L at STP. The sample is heated to 71 degrees Celsius and compressed to a volume of 18.0 L. What is the resulting pressure?

68,334 results
  1. Chemistry

    Which of these will have a volume of 22.4 L at STP? A) 12.01 g of C(s) B) 16.4 g of CH4(g) C) 36.46 g of HCl(aq) D) 32.05 g of CH3OH(l) E) 22.00 g of CO2(g) I am not really sure how to verify that a particular substance will be at these conditions.

  2. Chemistry

    At STP, a 7.49-gram sample of an element has a volume of 1.65 cubic centimeters. The sample is most likely (1) Ta (3) Te (2) Tc (4) Ti How do you get the answer?

  3. Chemistry

    The volume equivalent of CO2(at stp)in the reaction NaHCO3+HCL=NaCL+H2O+CO2 is

  4. Chemistry

    which gas sample has the greatest volume at STP? a)10.0g Ar b)10.0g Kr c) 10.0 g Xe d) none of the above (They all have the same number)

  5. Chemistry

    If 0.50L of gaseous CH4 is burned at STP, what volume of O2 is required for complete combustion? Methane burns in oxygen to produce CO2 and H2O CH4(g) + 2O2(g) --> 2H2O(l) + CO2(g) And what volume of CO2 is produced?

  6. Chemistry

    A gas occupies a volume of 140 mL at 35.0 C and 97 kPa. What is the volume of the gas at STP? N = ( P )( V ) / ( R ) ( T ) N = ( 97.00 ) ( 140 /1000 ) / ( 8.314 ) ( 308.15 ) = 0.005300 gmol V sub STP = ( N ) ( R ) ( T sub STP ) / ( P sub STP ) V sub STP =

  7. Chemistry

    Given the reaction 2HI (aq) + CaCO3(s) = CaI2(aq)+CO2(g)+H2O(l) What volume of of CO2 can be produced from 255mL of 3.0M HI and 75.2g of CaCO3 at STP? 75.2g CaCO3/100.09g/mol CaCO3 =.751mol CaCO3 (3M)(.255L)=.765 mol HI

  8. SCIENCE/CHEM

    the volume of a sample of gas is 650.ml at STP. what volumes will the sample occupy at 0.0degrees celsius and 950.torr??? is it 650.ml?

  9. Chem

    A sample of gas has a volume of 8.00 L at 20.0 degrees celcius and 700. torr. What will be it's volume at STP?

  10. chemistry

    calculate the volume of O2 at STP for the complete combustion of two moles of carbon disulphide which produces CO2 and SO2.

  11. chemistry

    use the molar volume of a gas to solve the following at STP: a. the number of moles of O2 in 44.8 L O2 gas. b. the number of moles of CO2 in 4.00L CO2 gas. c. the volume(L) of 6.40g O2. d. the volume(mL) occupied by 50.0g neon.

  12. chemistry

    what is the volume of a 2.00 gram sample of helium gas at STP?

  13. chemistry

    given 2CH3OH+3O2->2CO2+4H2O 1. Calculate number of grams of CH3OH required to react with 34.0L of O2 at STP. 2. How many liters of CO2 at 18 degrees Celcius and 6.94 atm are produced when 3.40 mol of CH3Oh is burned completely. 3. What volume of CO2 is

  14. chemistry

    what is the volume at STP of a sample of CO2 that has a volume of 75.0 ML at 30c and 680 mm Hg

  15. Chemistry

    A sample of nitrogen occupies a volume of 300ml under a pressure of 380 torr at -177C. What would be the volume at STP? I know the answer is 430mL but I don't know which equations to use to formulate the calculation.

  16. chemistry

    The equation for burning C2H2 is 2C2H2(g) + 5O2(g) ⎯→ 4CO2(g) + 2H2O(g) a. If 15.9 L C2H2 react at STP, how many moles of CO2 are produced? (Hint: At STP, 1 mol = 22.41 L for any gas.) b. How many milliliters of CO2 (density = 1.977 g/L) can be made

  17. Chemistry

    A gas occupies a volume of 140 mL at 35 degrees celcius and 97 kPa. What is the volume of the gas at STP? Please show the work.

  18. Chemistry

    Can you show me how to do this? 2KClO3 -> 2KCl + 3O2 If 5.0(g) of KClO3 is decomposed , what volume of O2 is produced at STP? 5 g KClO3 = ?? mols. ??mols KClO3 will produce how many mols O2? Use the coefficients in the equation to do this conversion. 1 mol

  19. chemistry

    What is the volume in liters of 15.0kg of CO2 at STP

  20. Chemistry(Please check)

    1) Which statement below is incorrect if any? a)when gas is at STP, the pressure of the gas is at 1.00 atm. b)when a gas is at STP, the temperature of the gas is 25 degrees celsius c)at STP the molar volume of a gas is 22.4L d)at STP the molar volume of

  21. Chemistry

    What volume would 1.5 x 10^25 molecule CO2 occupy at STP?

  22. chemistry

    1)A sample of CO2 gas which weighs 0.85 grams has a volume of 1.30 liters when collected at 30°C. What would be the pressure of the gas sample? 2) A gas sample has an original volume of 600 ml when collected at 720 mm and 35°C. If a change is made in the

  23. chemistry

    A sample of N2 gas occupies a volume 180 mL at STP. What volume, in L, will it occupy at 640 mm Hg and 295 K?

  24. physical chemistry

    the approximate no. of molecules of co2 present in 44g of co2 is:

  25. chem

    a sample of gas has a volume 8 liters @ 293 degree kelvin & 700 torr what will volume be at STP?

  26. Chemistry- DrBob222

    I completed this question like you told me to. Are the answers correct? Is my method for finding the molecular formula correct? 2.4g of a compound of carbon, hydrogen and oxygen gave on combustion, 3.52g of CO2 and 1.44g of H2O. The relative molecular mass

  27. chemistry

    A sample of co2 occupies 6.00l at 25c and 700. MmHg. What is the volume of the gas at stp

  28. College Chemistry

    Stuck on plugging info into formula, please show set up-At 10 degrees C carbon dioide gas has volume of 25.5 mL under pressure of 758 mmHg, what would volume of CO2 be at STP?

  29. Chemistry. Please help!

    A 20.29 g sample of impure MgCO3 is completely decomposed at 1000oC in previously evacuated 2.0 L reaction vessel. After the reaction was complete the solid residue had a mass of 15.9 g. Assume that only MgCO3 could produce gas CO2 what percent of original

  30. chemistry

    How many liters of CO2 form at STP if 5.0g of CaCO3 are treated with excess hydrochloric acid? show all your work

  31. chemistry

    1 ) A sample of vapor occupies a volume of 125 ml at 100 celcius and 748 torr. What is its volume under STP conditions? 2) A sample of vapor weighing 0.745 g filled a 250 ml flask when placed in a water bath at 98 degree celcius. The barometric presure

  32. Chemistry

    The volume equivalent of CO2(at stp) in the reaction. NaHCO3+HCL=NaCL+H20+CO2 is

  33. Chemistry Check?

    1. A sample of neon is collected at 1273.51 kPa and 12.0 oC. It has a volume of 2.25 L. What would be the volume of this gas at STP? (2.25 L) x (1273.51 kPa / 101.3 kPa) x (0 + 273.15 K) / (12.0 + 273.15 K) = 27.1 L 2.A sample of argon has a volume of 1205

  34. Chemistry

    How much volume will be occupied by 2 mole CO2 gas at stp?

  35. Chemistry

    A sample of a gas has a volume of 250. mL at 2.10 atm and 227 oC. What volume will it have at standard temperature and pressure (STP)?

  36. chemistry

    A 726 mL gas sample at STP is compressed to a volume of 117 mL, and the temperature is increased to 23◦C. What is the new pressure of the gas in Pa? Answer in units of Pa. I got 2.49647 The volume of a gas at 26◦C and 0.4 atm is 67 mL. What volume will

  37. chemistry

    I need help with a,b,and c. I tried to balance it but im having a little trouble Ethane gas, C2H6, burns in air and produces carbon dioxide and water vapor. a)write a balanced equation for this reaction. I know this isnt balanced but is this what im

  38. chemistry

    a gas sample is collected at 16 degrees c and 0.982 atm. if the sample has a mass of 7.40 g and a volume of 3.96 l, find the volume of the gas at stp and the molar mass?

  39. chemistry

    what is the density of co2(g) at stp? 44 g (1 mole) occupies 22.4 liters @ STP. Take it from there.

  40. chemistry

    You have 1.600g mixture of NaHCO3 and Na2CO3. You find that 11.60 ml of 2.00M HCl is needed to convert the sample completely to NaCl, H2O and CO2. NaHCO3 (aq) + HCl (aq) -> NaCl (aq) + H2O (l) + CO2 (g) Na2CO3 (aq) +2HCl (aq) -> 2NaCl (aq) + H2) (l) + CO2

  41. chemistry

    1.)Calculate the number of moles in 3.50 x 10^21 atoms of silver. Show all work. 2.) Calculate the number of atoms in 2.58 mol antimony. Show all work 3.) Determine the mass of 1.45 mol FePO4. Show all work. 4.) Calculate the number of mol in 6.75 g of

  42. Chemistry

    What volume of carbon monoxide gas (at STP) is needed when 1.35 Moles of oxygen gas react completely in the following equation. 2CO + O2 > 2CO2 please show your work I'm having trouble with Gas Stoichiometry.

  43. Chemistry

    Using molar volume (STP) or the ideal gas law equation, determine the molar mass, g/mole, of each of the following:1.)11.1g of a gas that has a volume of 1.50L at STP. 2.) 0.742g of a gas that has a volume 860mL at 1.28atm and 18∘C. 3.) 2.42g of a gas

  44. chem

    Use the molar volume of a gas at STP to determine the volume (in L) occupied by 10.5g of neon at STP.

  45. Chemistry

    SHOW WORK A 44g sample of CO2 has a volume of 22.4 L at STP. The sample is heated to 71 degrees Celsius and compressed to a volume of 18.0 L. What is the resulting pressure?

  46. more chem :(

    One method of removing CO2(g) from a spacecraft is to allow the CO2 to react with LiOH. What volume, in liters, of CO2(g) at 26.0°C and 793 Torr can be removed per kilogram of LiOH consumed? 2LiOH(s) + CO2(g) -> Li2CO3(s) + H2O(l) Use stoichiometry to

  47. Chemistry

    At 10 degree Celsius a sample of carbon dioxide gas has a volume of 25.5 mL under pressure of 758 mmHg. What would the volume of the CO2 sample be at STP?

  48. chem

    Show work 1. How many moles of oxygen will occupy a volume of 2.50 liters at 121.6 kPa and 331 K? 2. An unknown volume of chlorine gas (Cl2) is resting at 127 °C at a of pressure 152.4 kPa. If the gas weighs 191.4 g, what is the volume? 3. A 2.917 mole

  49. chemistry

    A sample of helium has a volume of 4.86 x 102 mL at STP. What will be its new volume if the temperature is increased to 341 K and it pressure is increased to 133 kPa? Please show work

  50. Chemistry

    A sample of helium has a volume of 4.86 x 102 mL at STP. What will be its new volume if the temperature is increased to 341 K and it pressure is increased to 133 kPa? Please show work and solve problem

  51. chem

    How many grams of CO2 are produced when 11.47 moles hexane combust? My work:I balanced the equation like so C6H14 + 19/2 O2 ==> 6CO2 + 7H2O My teacher taught us the 19/2 was valid My work: 11.47 mol C6H14 * 6 CO2/1 mol C6H14 * 44g/mol/1 mol CO2 = 3, 028 g

  52. Chemistry

    A hydrocarbon gas burned completely in O2 to give CO2 and H2O.It was found that one volume of hydrocarbon gas at STP produced two volumes of CO2 and three volumes of steam corrected at the same temperature and pressure. What is the emperical formula of

  53. Chemistry

    The pH of an arterial blood sample is 7.15. Upon acidification of 10 ml of the plasma 5.91ml of CO2 is produced at standard temperature and presure. Calculate: a) total CO2 in the specimen b) the individual concentration of disolved CO2(H2CO3) and HCO3- c)

  54. Chemistry

    The pH of an arterial blood sample is 7.15. Upon acidification of 10 ml of the plasma 5.91ml of CO2 is produced at standard temperature and presure. Calculate: a) total CO2 in the specimen b) the individual concentration of disolved CO2(H2CO3) and HCO3- c)

  55. Chemistry

    I need help the question is Convert 25 x 10 to the 25th molecules of CO2 to grams of CO2. I know that one molecule of CO2 is 44.01 g but the answers are .106g,9.44g,1.8x10^4 g, and 2.5 x 10^4 g I don't get it can anyone help me!

  56. Chemistry

    a sample of limestone and other solid materials is heated and the limestone decomposes to give calcium oxide and carbon dioxide: CaCO3 ----> CaO + CO2 a 1.506 g sample of limestone containing material produces 284 mL of CO2 at STP. what is the mass percent

  57. Chem 130

    What mass of CO2 could be absorbed by 1.37 g of CaO? What volume would this CO2 occupy at STP?

  58. Chemistry

    Ive been trying to do my chemistry homework for the past few hours and I keep getting some of the questions wrong. These are the 2 questions i am having trouble with. 1. If 0.582 L of gaseous CO2 measured at STP dissolved in 920 mL of water is produced

  59. Chemistry

    Cyclohexane is composed of 85.6 % C and 14.4% H. when it is mixed in the proper ratio with oxygen, it can be used as an anesthetic. At 755 mmHg, and 25 degrees Celcius, it has a density of 2.05 g/L. what is the molar mass of cyclohexane and its molecular

  60. Chemistry

    Which of these will contain avogadro number of molecules: 1)22.4dm3 of co2 at 27∘c and 1atm contain 2)44g of at 27∘c and 1 atm 3)2.7dm3 of co2 at 546k and 2atm 4)11.2l of co2 at 273 and 2atm

  61. chemistry

    which of the following gasses will have the largest volume ( all volumes are measured at the same temperature and pressure) A) 16g of CH4 B) 34g of NH3 C) 44g of co2 D) 64g of SO2 i think the answer is C am i right

  62. Science

    Consider a mole of CO2 and a mole of N2O each at STP. Which of the following statements are true? Check all that apply. ~Both gases will have approximately the same density at these conditions. ~When the volume is not held constant, raising the temperature

  63. Chemistry

    A hydrocarbon gas burned completely in O2 to give CO2 and H2O. It was found that 1volume of a hydrocarbon gas at STP produced 2volumes of CO2 and 3 volumes of steam at STP. What is the emperical formula of this gas? Please help me on how to work out the

  64. Chemistry

    Jack occasionally goes to work by bicycle where he exhales once per 3.00 sec. If in Jack’s every exhale is 4.50% CO2 (by volume), he exhales a total volume of 4.6 L each time, and it takes Jack 20.0 minutes to bike to work, how many grams of CO2 has he

  65. Chemistry

    A sample of H2 gas occupies a volume of 565 mL at STP. What, volume, in mL, will this sample of H2gas occupy at a temperature of -17oC and at a pressure of 0.560 atm

  66. chemistry

    what volume of oxygen at STP is required to affect complete combustion of 200cc of acetylene and what would be the volume of co2 formed?

  67. chemistry

    A ballon is filled with 54.8 g of CO2. The gas is at STP. Calculate the volume of the CO2 gas in liters?

  68. Chemistry

    I need help on these last three problems on my Hw. 1. A 10.0 L sample of gas at 3.00 degrees Celsius is cooled at a constant pressure until it reaches 1/2 of its original volume. At what temperature in K will this volume be reached? (Charles law) 2. 994

  69. Chemistry

    if a sample of gas has a volume of 8.88 ml at -12.0 C and .975 atm. what volume would this sample have at STP?

  70. chemistry

    Propane (C3H8) which is used as fuel in BBQ tanks often contains some butane(C4H10). A sample of a fuel mixture known to contain both propane and butane occupies a certain volume at a total pressure of 30 mmHg. The sample is then burned completely to

  71. Chemistry

    What mass of oxygen is consumed when 1.73L of carbon dioxide (STP) are produced in the following equation. C4H8 + 6 O2 > 4 CO2 + 4 H2O please help and show your work. My answer for this problem is 11.12g/O2. I have no confidence in my answer.

  72. chemistry(check my work)

    When a reaction mixture with a total volume of 1720 mL that contains 0.605 L of gaseous CO2 measured at STP dissolved in 940 mL of water was stoichiometrically produced as per the balanced equation, how many mol of solid CaCO3 were required? H2SO4(aq) +

  73. Chemistry

    Hi there - My labs and lectures aren't in synch at the moment so we are now doing a prelab that is asking for info I haven't been taught yet uggg... The prelab question I'm having trouble with is as follows: What is the volume at STP for 0.415 g of argon

  74. chemistry

    What is the volume of CO2 at 25 degrees C and 1.3atm if 10.0g of Cburns at STP?

  75. Chemistry

    If I count out Avogadro's number if CO2 molecules how much will my piles of molecules weigh? Can someone show me how to get the answer. I know the answer is 44g

  76. Chem 130

    When calcium carbonate is heated strongly, carbon dioxide gas is released. CaCO3(s) CaO(s) + CO2(g) What volume of CO2(g), measured at STP, is produced if 14.1 g of CaCO3(s) is heated?

  77. chem

    CaCo3 reacts with aq HCl to give CaCl2+CO2. What mass of CaCo3 is required to react completely with 50cm^3 of 0.60M HCl. Calculate volume of CO2 produced at STP.

  78. chemistry

    Will 2 moles of CO2 or 12 moles of CO have higher volume at STP? CO2 CO Neither

  79. chemistry

    What volume will a mixture of 5.00mol of He and 0.800 mol of CO2 occupy at STP?

  80. Kainantu sec..science(chemistry)

    A sample of O2 gas occupies 1.93L at a pressure of 10.0atm at 100 degree celsius. What volume will the sample occupy at stp?

  81. Chemistry

    A sample of gas has a volume of 6.20 L at 23 degrees celsius at a pressure of 1.90 atm. What is its volume at STP?

  82. Chemistry

    A sample of oxygen has a volume of 205cm³ when its temperature is 22.0°C and its pressure is 30.8 kPa. What volume will the gas occupy at STP?

  83. chemistry

    The volume of a sample of a gas at STP is 200.0 ml. If the pressure is increased to 4.00 atmospheres (temperature constant), what is the new volume?

  84. Chemistry

    A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?

  85. chemistry

    A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?

  86. Chemistry

    A sample of oxygen gas at 295 kPa takes up 456 L of space at standard temperature (the “T” in STP). What is the new volume when the pressure is lowered to standard pressure (the “P” in STP)?

  87. chem

    A sample of hydrogen has a volume of 1100 mL when the temperature is -0.899999999999999 degC and the pressure is 0.888 atm. What will be the volume of the gas at STP?

  88. chemistry

    Calculate the volume of oxygen at STP required to burn 3.7 kg C3H6O2 producing CO2 & H2O:

  89. chem

    The metabolic oxidation of glucose, C6H12O6, in our bodies produces CO2, which is expelled from our lungs as a gas: C6H12O6(aq)+6O2(g)→6CO2(g)+6H2O(l) Calculate the volume of dry CO2 produced at body temperature (37 ∘C) and 0.990 atm when 24.0 g of

  90. Science

    Using the balanced equation for this reaction, calculate the volume of CO2 that should be produced by the decomposition of 2.21g of CuCO3•Cu(OH)2 at STP.

  91. chemistry

    find the volume of CO2 gas liberated at STP by thermal decomposition of 1 ton of 90% pure limestone

  92. Chemistry

    A Sample Of Gas With A Volume Of 825mL Is Measured At 25.0 Degrees Celcius. Find The New Temperature When The Volume Is 135mL. What Is The Mass Of 41.98L Of Ammonia At STP?

  93. Chemistry

    the mass of 4 moles of Co2 is ? (1)22g (2)44g (3)88g (4)176g please help !

  94. earth science

    Suppose you have 2 core samples. Sample 1 is from ice that is 2 meters deep and Sample 2 is from ice that is 100 meters deep. What is true about the CO2 levels in the 2 samples? A. The CO2 levels from the 2 samples would be the same. B. The CO2 level in

  95. Chemistry

    A 2.20 g-sample of a compound containing carbon, hydrogen, and oxygen is burned and it produces 4.61 g CO2 and 0.94 g H2O. What is the empirical formula of this compound? (i.e., C2H4O) I found the mass of Carbon (4.61/44g)*(1 mol C/1 mol CO2)=.1047 I found

  96. Chemistry

    If 1.000g of (potash) K2CO3 reacts with H2SO4 to produce 145 mL of CO2 gas at STP, what is percentage of Potassium Carbonate in the marble sample?

  97. chemistry

    If a 0.500 mole of carbon disulfide reacts with oxygen completely, what would be the total volume of the products at STP? CS2(l) + 3 O2(g) → CO2(g) + 2 SO2(g)

  98. science( chem)

    The total Carbon dioxide content (HCO3- + CO2) in a blood sample is determined by acidifiying the sample and measuring the volume of CO2 evolved with a van slyke manometric apparatuses. The total concent was determined to be 28.5 mmol/L. The blood pH at

  99. Chemistry-Help Dr. Bob

    How many mL of Carbon Dioxide gas at STP are produced from the decomposition of 4.50g of Ferric Carbonate? This is How I tried to solve it..... 4.50g Fe12(CO3)3* 1 molFe2(CO3)3/291.72g Fe2(CO3)3* 3 mol CO2/1 mol Fe2(CO3)3* 22.4L CO2/1mol CO2* 1000ml of

  100. Chem

    A sample of nitrogen (N2) gas has a volume of 250ml at 30 degrees C and a pressure of 745mmHg. What is the volume of the nitrogen at STP? I got 22 liters in significant figures is this right. thank you.

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