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December 9, 2016

Search: Gaseous carbon monoxide reacts with hydrogen gas to form gaseous methane ({\rm CH}_{4}) and liquid water

Number of results: 52,337

Chemistry
The gaseous product of a reaction is collected in a 25.0-L container at 27 C. The pressure in the container is 216 kPa, and the gas has a mass of 96.0g. What is the molar mass of the gas?
January 3, 2011 by Elana

science
A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 1.25 . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
March 22, 2011 by lily

chemistry
A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 2.35 . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
March 24, 2012 by chris

chemistry
A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 2.35 . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
March 24, 2012 by chris

chemistry
The gaseous product of a reaction is collected in a 12.0 L container at 280C. The pressure in the container is 3.5 atm and the gas has a mass of 96.0 g. What is the molecular mass of the gas?
February 28, 2013 by Anonymous

Chemistry
The question is: Hydrogen and oxygen gas combine explosively to produce water. Write a balanced chemical equation for this process. If 10 mol of hydrogen reacted with oxygen, what volume of liquid water could be produced? Is this right for the balanced equation? 4H + O₂...
January 15, 2011 by Rachael

Chemistry
Hi! I am having some trouble with this question, can you please help me? Which of the following describe chemical properties? Check all that apply. - Iodine (a purple solid) becomes a purple gas. - Titanium is less dense that iron . - Water freezes at 0'C - Sugar burns in air ...
September 10, 2015 by Kris

Chemistry-Please help
A 3.00-L flask is filled with gaseous ammonia, . The gas pressure measured at 17.0 degree celsius is 2.35atm . Assuming ideal gas behavior, how many grams of ammonia are in the flask?
October 16, 2009 by Rose

Chemistry
I need help classifying these as physical and chemical properties! 1. sodium metal in chlorine gas releases luster. 2. sodium metal has a metallic silver luster. 3. sodium metal in water porduces hydrogen gas. 4. sodium metal melts to a liquid at 98 degrees. 5. sodium metal ...
March 1, 2011 by Emily Grossman

Chemistry
4.0 L of hydrogen gas reacts with 2.0 L of nitrogen gas (at the same temperature and pressure), producing ammonia gas, NH3. Find the limiting reactant.
October 25, 2011 by Andres

Chemistry - Combustion
The standard enthalpies of formation of gaseous propylene (C3H6) and propane (C3H8) are +20.4kJ/mol and -103.8 kJ/mol. Their respective combustion reactions may be written as follows, where one mole of either gas is consumed by oxyen to yield carbon dioxide and water. ...
April 14, 2009 by Brigette

Chemistry
A(n) ____ reaction is one in which oxygen reacts with another compound to form carbon dioxide, water, and heat.
January 4, 2012 by Zach

chemistry
calculate the standard molar entropy change for the combustion of methane gas using S naught values from standard thermodynamic tables. Assume that liquid water is one of the products.
October 5, 2012 by Bru

chemistry
A 211 g sample of barium carbonate, BaCO3, reacts with a solution of nitric acid to give bar- ium nitrate, carbon dioxide and water. If the acid is present in excess, what mass and volume of dry carbon dioxide gas at STP will be produced
May 14, 2013 by myrtle

Chemistry 1201
An unknown compound contains only carbon, hydrogen, and oxygen (C?H?O?). Combustion of 6.50 of this compound produced 9.53 g of carbon dioxide and 3.90 g of water. 1) How many moles of Carbon? 2) How many moles of Hydrogen?
March 28, 2012 by Dylan

Carbon
#1 where and in what form does carbon enter long term stores? It enters long-term stores in the form of Carbon dioxide, and is found in intermediate and deep ocean waters. On land, it is found in coal-deposits and in oil and gas deposits. #2 where and in what form does carbon ...
July 6, 2010 by Amanda

chemistry
what volume of carbon dioxide is formed when 11 of CS2 reacts with 18 L O2 to produce carbon dioxide gas and sulfur dioxide gas at STP?
May 13, 2013 by danna

Chemistry please check
1. An ionic compound solution is a(an)________ of electric current. non-conductor absorber emitter good conductor reverser ans: good conductor 2. Hydrogen bonding in water accounts for water's higher than expected boiling temperature the fact that ice floats in liquid water ...
February 24, 2008 by Mary

chem
Lithium hydride reacts with water as follows. LiH(s) + H2O(l) -->LiOH(aq) + H2(g) During World War II, U.S. pilots carried LiH tablets. In the event of a crash landing at sea, the LiH would react with the seawater and fill their life belts and lifeboats with hydrogen gas. ...
October 16, 2010 by amber

chemistry
you are given an unknown gaseous binary compound. when 10.0g of the compound isburned in excess oxygen, 16.3g of water is produced. the compound has 1.38 times that of oxygen gas at the same conditions of temperature and pressure. give a possible identity for the compound.
December 8, 2011 by keith

chemistry
I am a freshman in college, and am taking a placement test soon, but haven't seen chemistry since 10th grade. I'd appreciate any help I can get from anyone here to help me solve this problem: Hydrogen and sulfur chemically combine to form the gas hydrogen sulfide, according to...
January 5, 2012 by John

chemistry/check please
923.85 grams of gaseous ammonia condenses into liquid.How much energy was released? answer: 1268.28852 = 1268 kj
April 18, 2012 by joseph

Science
BP -164°C ΔHvap 8.136 kJ/mol sg 2.205 J/g°C MP -182°C ΔHfus 0.928 kJ/mol sl 2.41 J/g°C Using the data above for methane, CH4, calculate the heat needed to convert 150. g of liquid methane at -175°C to a gas at 25°C.
October 28, 2010 by Joseph

Chemistry
metal hydrides react with water to form hydrogen gas and the metal hydroxide. How do you calculate the mass of hydrogen gas that can be prepared from 3.78 g of SrH2 and 3.5 g of H2O? a) how many moles of H2 can be produced from given mass of SrH2? b) How many grams of H2? ...
October 26, 2009 by Brittany

science
what are the arrangement and motions of molecules of substances in the solid phase, liquid phase, and gaseous phase?
June 10, 2011 by harold

Physical Science
What kind(s) of particles make up (a) gaseous compound (b) liquid compound (c) solid compound?
October 17, 2011 by Brooke

Chemistry
In the balanced equation for the combustion of 2,2,4-trimethyloctane (C11H24), the coefficient of the organic compound is...the coefficient of oxygen gas is ...the coefficient of carbon dioxide gas is...and the coefficient of liquid water is.
July 8, 2012 by Anonymous

ap chemistry
A 6.9 gram sample of a gaseous substance occupies 10 L at 63C and 537 torr. What is the density of the gas under these conditions? Answer in units of g/L
February 9, 2013 by cheri

physical chemistry
For the process CH4(g) = C(s) + 2H2(g) A reaction is started in a rigid vessel at 1000 K with 1 mole of methane and 1 mole of hydrogen gas at 10 bar. Use table C.3 from your text to determine how many grams of carbon should be formed after the reaction has reached equilibrium.
November 12, 2010 by patrick

Science
Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? A: photosphere B: chromosphere C: corona D: prominence 2. Which of the following could have been found in the giant cloud that formed the solar system? A: hydrogen and helium B: ...
October 30, 2015 by Exam Kun

chemistry
Here is the question: sodium hydride reacts with excess water to produce aqueous sodium hydroxide and hydrogen gas: NaH(s)+H2O-->NaOH(aq)+H2(g) A sample of NaH weighing ________g will produce 982mL of gas at 28.0 C and 765 torr, when the hydrogen is collected over water. ...
June 17, 2009 by Gweedo

Chemistry
A mixture of gases containing equal weights of carbon dioxide, carbon monoxide, and ammonia exerts an overall pressure of 450.0 torr. What pressure is exerted by each gas individually??
May 29, 2010 by jessica

Physics
What kind (s) of particles make up (a) gaseous compounds, (b) liquid compounds, and (c) solid compounds?
March 12, 2015 by Channing

Chemistry
Calculate the ratio of moles of CO2 produced to moles of the original gas mixture? A mixture of methane (CH4) and ethane (C2H6) is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure of CO2 is 351 mmHg measures at the same ...
August 13, 2010 by Jenny

Chemistry
Calculate the ratio of moles of CO2 produced to moles of the original gas mixture? A mixture of methane (CH4) and ethane (C2H6) is stored in a container at 294 mmHg. The gases are burned in air to form CO2 and H2O. If the pressure of CO2 is 351 mmHg measures at the same ...
August 13, 2010 by Jenny

chemistry
potassium-a metal that catches fire whet it reacts with water, chlorine-a green poisonous gas bromine-a reddish brown liquid lithium-the least reactive of the alkali metals neon-an nonreactive gas iron-a metal with very high melting point
October 13, 2010 by chelsea

chemistry
A furnace that provides heat by burning methane gas must have the correct mixture of air and fuel to operate efficiently. What is the mole ratio of air to methane gas in the combustion of methane? Hint: Air is 20% oxygen.
May 27, 2011 by john

chem
what is the balanced equation for ozone gas reacts with 2,3,4,5-tetramethylheptane, CH3-CH(CH3)-CH(CH3)-CH(CH3)-CH(CH3)-CH2-CH3 , to produce carbon dioxide gas, CO2 , and water vapor, H2O
April 27, 2014 by Kasia

chem
Elemental Sulfur can be formed through the combustion of Hydrogen Sulfide (found in Methane gas) give in equation H2S+O--->S + H2 4 tell how much sulfur is made from 250 grams of methane 2 H2S + O2---->2S +2 H2O s=32
February 9, 2010 by nycole

science
calculate the number of molecules of hydrogen and carbon present in 4 gof methane.
August 10, 2016 by sony

CHEMISTRY
Select all substances with a hydrogen atom that would participate in hydrogen bonding with an appropriate acceptor atom. (CH3)2CO acetone CO carbon monoxide S8 octasulfur CHClCHCl cis-1,2-dichloroethene CF3CF3 hexafluoroethane CH3COCH3CH2 methylethylketone
January 24, 2009 by chris

CHEMISTRY
Select all substances with a hydrogen atom that would participate in hydrogen bonding with an appropriate acceptor atom. (CH3)2CO(acetone), CO(carbon monoxide), S8(octasulfur), CHClCHCl (cis-1,2-dichloroethene),CF3CF3(hexafluoroethane),CH3COCH3CH2 (methylethylketone)
January 24, 2009 by chris

Chemistry
[10:58am]: Wn 4.5g of liquid water was formed by burning hydrogen gas in oxygen,-72kj of heat was given off.calc d standad heat formation of water
January 27, 2016 by Hayur

chemistry
Gaseous arsine reacts according to the balanced equation. If a total of -3663 KJ of heat is produced in the reaction as written, how many grams of AsH3 are consumed? (Enthalpy= -1867.2) 2 AsH3(g) + 3 O2(g) --> As2O3(s) + 3 H2O(l)
February 27, 2008 by Anonymous

Chemistry. Please :(
1. If 23.00 grams of carbon dioxide and 18.75 grams of water are formed from the combustion reaction. What is the percent yield for CO2 and H20. How much in grams of the excess reactant remains? 2. Balance the equation and determine the mass in grams of hydrogen gas produced ...
April 25, 2014 by Cassy

chemistry
how do I write a balanced equation showing aqueous hydrogen carbonate, to give liquid water and carbon dioxide gas H2O(l) + CO2(g) ==>H2CO3(aq) to show the formation of dihydrogen carbonate (carbonic acid). To show the decomposition of H2CO3. H2CO3(aq) ==> H2O(l) + CO2(g)
January 5, 2007 by Anonymous

CHEMISTRY
Write a balanced chemical equation for the reaction of solid vanadium(V)({\rm V}) oxide with hydrogen gas to form solid vanadium(III)({\rm III}) oxide and liquid water.
October 11, 2014 by GI

Chemistry
Write and balance equations for the following reactions. A)Iron metal and Chlorine gas react to form solid iron(III) chloride. B)Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas. C)Solid magnesium reacts with aqueous silver nitrate to ...
February 28, 2010 by Jack

Living a Healthy Life
The most effective way to prevent carbon monoxide poisoning is by A. heating buildings with oil or electricity. B. installing and maintaining carbon monoxide detectors. C. keeping an adequate supply of breathing masks at hand. D. remaining alert to the odor. B.
November 22, 2014 by Amanda

chemistry
80.0 g of iodine (v) oxide reacts with 28.0 g of carbon monoxide determine the mass of iodine
April 12, 2010 by Anonymous

chemistry
80.0 g of iodine (v) oxide reacts with 28.0 g of carbon monoxide determine the mass of iodine
April 12, 2010 by Anonymous

Chemistry
I've worked through this problem so many times and I keep getting the same thing yet when I submit it, it says its wrong.. Am I missing something? Q:Calcium hydride (solid) reacts with water to form calcium hydroxide (aqueous) and hydrogen gas. Write a balanced chemical ...
February 16, 2016 by Chem: Troubleshooting

Chemistry
In planning to administer a gaseous anesthetic to a patient, a. Why must the anesthesiologist take into account the fact that during surgery the gaseous anesthetic is used both at room (18 degrees C) and the patient's body temperature (37 degrees C)? The warmer the temperature...
January 13, 2013 by Sara

AP Chemistry
A 2.8 gram sample of a gaseous substance occupies 12 L at 47 degrees C and 683 torr. What is the density of the gas under these conditions? Answer in units of g/L
February 16, 2014 by Gabriella

chemistry
hydrogen gas has a Henry's law constant of 1.07e-6 M/mm Hg at 25 Celsius when dissolving in water. if the total pressure of gas (H2 gas plus water vapor) over water is 1.0atm, what is the concentration of H2 in the water in grams per milliliter?
August 22, 2014 by angel

chemistry
If you collect hydrogen gas over water at a temperature of 45 degrees celcius, what is the volume of jst te hydrogen if the pressure of hydrogen is 1.23 atm and the grams of hydrogen was 2.6? What is the volume of the water?
December 4, 2010 by regina

Chemistry
Hydrogen gas,H2 , reacts with nitrogen gas,N2 , to form ammonia gas,NH3 , according to the equation 3H2+N2-2NH3 How many grams ofNH3 can be produced from 2.90mol ofN2 ? How many grams ofH2 are needed to produce 13.75g of NH3 ? How many molecules (not moles) ofNH3 are produced ...
October 5, 2009 by Rose

Chemistry
Which must be the same when comparing 1 mol of oxygen gas, O2, with 1 mol of carbon monoxide gas, CO?
April 14, 2016 by William

physical science
why does the temperature of boiling water remain the same as long as the boiling continues? Because it is a pure compound undergoing a phase change. The constant temperature is a requirement of the Gibbs Phase Rule. It is not obvious why this happens. If the compound is not ...
June 22, 2007 by jan

Chemistry
A hungry backpacker needs to boil 150 mL of water to prepare a cup of Ramen Noodles. The filtered river water is at a temperature of 14.2 oC. The pressure is 760 mm Hg and he wants to eat the chicken flavored noodles. How many mL of his liquid butane camping fuel will he use ...
December 3, 2012 by Veronica

chemistry
Now "react" methane (CH4) with oxygen (O2) to produce carbon dioxide (CO2) and water (H2O). Start with one molecule of methane and one molecule of oxygen. Continue reacting molecules of CH4 and O2 until all the reactant atoms have been used to form products. Summarize what ...
August 1, 2008 by kayla

chemistry
1. Given that 50 grams of ice is heated at -20.0 °C to steam at 135.0 °C. i. Show the graph of the changes from ice to steam ii. Calculate the energy needed to change the ice to steam Please use these values: Heat of fusion = 334.16 J g¯1 Heat of vaporization = 2259 J g¯1 ...
March 9, 2016 by bliss

chemistry
How much heat energy is given off when one kilogram of hydrogen gas at 25C and one atmosphere is combined with enough oxygen gas to make liquid water at 25C?
March 23, 2012 by Kevin

chemistry
Carbon reacts with chlorine and hydrogen to form the compound CH3Cl. (a) Construct the structure of CH3Cl. What is the dominant form of secondary bonding for CH3Cl? Dipole-dipole interactions, London dispersion forces, Covalent bonding, Ionic bonding
March 18, 2013 by adex

Chem I
Ok one more! Write the balanced equations and assign oxidation numbers to all atoms in these two reactions involving iron. If the effective oxidation number of any particular atom changes during the reaction then a redox reaction has occurred. If a redox reaction takes place ...
November 15, 2010 by Natalea

Chemistry
Carbon monoxide and chlorine gas react to form phosgene: CO(g)+Cl2(g)⇌COCl2(g) Kp = 3.10 at 700 K If a reaction mixture initially contains 319torr of CO and 220torr of Cl2, what is the mole fraction of COCl2 when equilibrium is reached?
February 16, 2014 by Morgan

Physics/Chem
an experiment, a 0.280-kg piece of ceramic superconducting material at 23 °C is placed in liquid nitrogen at its boiling point (−195.8 °C) to cool. The nitrogen is in a perfectly insulated flask that allows the gaseous N2 to escape immediately. How much mass of liquid ...
July 1, 2016 by Jeff Kinka

chemistry
Methane reacts with an excess of chlorine gas. [it's an equation] I have the reactants: CH4(g) + Cl2(g) --> ? I was thinking single replacement, making CCl4 for sure. I'm just not sure about that hydrogen, unless it's just H2, and when balanced the full reaction is this: ...
January 4, 2010 by anonymous

Chemistry
If 920 mL of 0.0402 M aqueous LiOH reacts stoichiometrically according to the balanced equation, what mass (g) of gaseous CO2 is required? 2 LiOH(aq) + CO2(g) → Li2CO3(aq)
September 28, 2010 by DJ

chemistry
If 600 mL of 0.283 M aqueous NaBr and 15.9 L of gaseous Cl2 measured at STP are reacted stoichiometrically according to the balanced equation, how many liters of gaseous Cl2 measured at STP remain? Round your answer to 3 significant figures. 2NaBr(aq) + Cl2(g) ¡æ 2NaCl(aq...
June 6, 2010 by Judy

chemistry
When will hydrogen bonding occur?Give an example of liquid other than H2O in which this type of force is important. In order for a hydrogen bond to occur there must be both a hydrogen donor and an acceptor present. The donor in a hydrogen bond is the atom to which the hydrogen...
October 5, 2012 by tracy

General Chemistry
Answer Check Please... A compund contains only hydrogen and nitrogen and is 12.6% hydrogen by mass. A gaseous sample of the compound has desity of 0.925g/L at 690 torr and 110 degrees Celsius. What is the molecular formula of the compound? My Empirical Formula = H2N Molecular ...
September 5, 2011 by Kathy

chemistry
Which of the following is true about the results of a neutralization reaction? A. An acid and a base form water and salt. B. Water reacts with a base to form the hydroxide ion. C. Water reacts with an acid to form the hydronium ion. D. An acid and a base dissociate into their ...
September 10, 2016 by emma

chemistry
Which of the following is true about the results of a neutralization reaction? A. An acid and a base form water and salt. B. Water reacts with a base to form the hydroxide ion. C. Water reacts with an acid to form the hydronium ion. D. An acid and a base dissociate into their ...
September 11, 2016 by jessie

chemistry
Which of the following is true about the results of a neutralization reaction? A. An acid and a base form water and salt. B. Water reacts with a base to form the hydroxide ion. C. Water reacts with an acid to form the hydronium ion. D. An acid and a base dissociate into their ...
September 12, 2016 by jessie

chemistry
Which of the following is true about the results of a neutralization reaction? A. An acid and a base form water and salt. B. Water reacts with a base to form the hydroxide ion. C. Water reacts with an acid to form the hydronium ion. D. An acid and a base dissociate into their ...
September 14, 2016 by erika

CHEMISTRY
AT 25 DEGREES CELSIUS THE STANDARD ENTHALPY OF COMBUSTION OF GASEOUS PROPANE IS -2219.0 KJ PER MOLE OF PROPANE AND THER STANDARD ENTHALPY OF GASEOUS PORPYLENE IS -2058.3 KJ PER MOLE OF P[ROPYLENE. wHAT IS THE STANDARD ENTHALPY CHANGE FOR THE FOLLOWING REACTION C3H6 + H2 ---C3H8
July 23, 2011 by Anonymous

science
If 19:3 of iron ore (Fe2O3) reacts completely with carbon monoxide . Calculate the mass of iron Fe that is formed
November 16, 2014 by banele

chemistry
For OCTANE, what is the ratio of Carbon atoms to Hydrogen atoms in a molecule? It's specified that Octane undergoes complete combustion to form 8L of Carbon Dioxide & 9L of Water at constant temp and pressure. thanks :)
September 24, 2010 by kelly

Chemistry
What is the density of carbon monoxide gas at 127 celcius and 763 mm Hg?
March 25, 2010 by Meg

chemistry
If you collect hydrogen gas over water at a temperature of 85*C, what is the volume of just the water if the pressure of hydrogen is 1.23 atm and the grams of hydrogen was 2.6
May 6, 2014 by brandie

Chemistry
A gaseous compound is 30.4% nitrogen and 69.6% oxygen by mass. A 5.25-g sample of the gas occupies a volume of 1.00 L and exerts a pressure of 1.26 atm at -4.00°C. Which of these choices is its molecular formula?
April 27, 2015 by Confuse

chemistry
Hi, Is the molecular formula different when it is in a gaseous state? Cheers ;) Sometimes yes, sometimes no. H2O, for example, is thought to be in a group of 6 as a liquid at room temprature, a group of 4 at higher temperatures, and single H2O molecules as steam. Thanks, Ive ...
February 6, 2007 by bertie

Chemistry
If 26.4 L of H2 reacted with 13.2 L of O2 at STP, what is the volume of the gaseous water collected assuming that none of it condenses?
December 11, 2011 by :)

Chem help?
In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured mass of oxygen gas produced in the reaction is 4.9320 +/- 0.0001 grams. The hydrogen gas occupies a volume of 6902 mL. Report the density of the ...
February 7, 2008 by sool

CHEM!!
In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured mass of oxygen gas produced in the reaction is 4.9320 +/- 0.0001 grams. The hydrogen gas occupies a volume of 6902 mL. Report the density of the ...
February 7, 2008 by HELP!!

Chemistry
(1)Aluminum reacts with oxygen to produce aluminum oxide according to the following reaction: 4Al(s) + 3O2(g) → 2Al2O3(s) Calculate the moles of Al2O3 produced when the reaction is performed with 31.06 g of each reactant. (2)Nitrogen dioxide reacts with water to produce ...
March 6, 2013 by WCU cats

Chemistry
A 0.0677g sample of magnesium metal reacted with excess hydrochloric acid to produce 69.9 ml of hydrogen gas. The gas was collected over water at 21.0 degrees Celsius. The levels of water inside and outside the gas collecting tube is identical. The water vapor pressure at 21.0...
February 10, 2011 by K

Chemistry
When 6.0L of H2 reacts with 2.0L of N2, 4.0L of gaseous product are formed. All volumes of gases are measured at the same temperature and pressure. What is the formula of the product? Hint: Assume all reactants are consumed.
February 21, 2016 by Cat

chem
Methane is oxidized to water and carbon dioxide in a process, in which 10 % of the methane is converted to CO and 20 % is converted to formaldehyde. What is the yield of the process? How much methane do you need to produce a kg of formaldehyde? How much oxygen is needed in the...
November 24, 2010 by Anonymous

11th grade
what is the chemical reaction equation for : Hydrogen sulfite reacts with oxygen to form sulfur dioxide and water vapour.
May 24, 2010 by Cats

Chemistry 11
12.0 g of carbon reacts with 32.0 g of oxygen to form 44.0 g of Co2. if we react 20.0 g of oxygen with 20.0 g of carbon,how many grams of carbon will be used up?..... i have no clue where to start... can u just tell me the steps to solve similar problems like this
September 22, 2010 by priya

Chemistry
Please could you tell me if I am going in the right direction. I am trying to write molecular formula for As2O3 I make molecular mass 197.8 gas density 17.8 to 3 sig figs 2.0 x density of gas at STP / density of hydrogen 17.8/0.0899 = 396 to 3 figs How do I go about matching ...
January 28, 2007 by Lucy

science
A test liquid has a density of 1.1 g/ml. When you pour some of it into a cup of water,what will happen (assuming that their natures are such that they don't mix and that there is no chemical reaction between the two substances)? A.the test liquid will float on top of the water...
June 7, 2010 by lisha

science
a propane gas reacts with oxygen to produce carbon dioaxide and water is this heat energy or nucler energy
May 1, 2013 by aa

science
a propane gas reacts with oxygen to produce carbon dioaxide and water is this heat energy or nucler energy
May 1, 2013 by aa

chem
Ammonium carbonate (solid) decomposes when heated to produce three gaseous products - ammonia, water, and carbon dioxide. 1. Write the balanced equation for the reaction. 2. Suppose that ammonium carbonate is heated to 500 K in a sealed vessel. At equilibrium there is still ...
May 13, 2010 by jake

science
calcium reacts with water to form calcium hydroxide and hydrogen.how many moles of water are required to react with 0.5 mole of calcium?
May 23, 2016 by laona

chem
Gaseous iodine pentafluoride, IF5, can be prepared by the reaction of solid iodine and gaseous fluorine: • I2 (s) + 5F2 (g) → 2IF5 (g). • A 5.00 L flask is filled with 10.0 g I2 and excess F2 with the reaction proceeds to completion completely consumed. After the ...
November 9, 2012 by byke

Chemistry
What is the balanced equation of gaseous phosphorus pentachloride decomposed to chlorine gas and phosphorus trichloride.
April 8, 2012 by Allyson

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