Thursday
April 24, 2014

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

Number of results: 4,595

chemistry
In planning to administer a gaseous anesthetic to a patient, A) why mus the anthesiologist take into account the fact that during surgery the gaseous anesthetic is used both at room temperature (18C) and at the patients body temperature (37C)? B) What problems might arise if ...
Saturday, March 22, 2008 at 5:23pm by Jonathan T

chem
A piece of solid carbon dioxide, with a mass of 6.2 g, is placed in a 4.0 L otherwise empty container at 21C. ( a) What is the pressure in the container after all the carbon dioxide vaporizes? atm (.86 atm) (b) If 6.2 g solid carbon dioxide were placed in the same container ...
Saturday, November 17, 2007 at 10:01pm by mel

chemistry
What is the maximum number of hybrid orbitals a carbon atom can form? Is it 4 because carbon has 4 valence electrons? yes.
Saturday, December 16, 2006 at 12:53pm by Carter

chemistry
How many kilojoules of energy are released from the carbon carbon single bonds when glucose (C6H12O6) is burned??? thanks
Sunday, September 6, 2009 at 5:06pm by jake

chemistry
what is a simplified way of representing an organic compound by showing only rh carbon carbon bounds
Tuesday, December 8, 2009 at 7:52pm by shelly

chemistry
Draw all possible structures of an organic compound with 6 carbon atoms that has a 4 carbon chain
Thursday, October 28, 2010 at 10:03pm by Chioma

chemistry
What are the two properties of carbon which lead to the huge number of carbon compounds we see around us ?
Monday, February 25, 2013 at 12:19am by Vipin

chemistry
What is the hybridization on carbon no. 1 and carbon no. 2? and the no. sigma bonds ? C7H10
Friday, December 7, 2007 at 12:27am by Lu

Chemistry
How many carbon atoms are there in a diamond (pure carbon) with a mass of 50 ?
Saturday, September 8, 2012 at 8:51pm by Tammy

chemistry
RANK THESE COMPOUNDS BY THE LENGTH OF THE CARBON-CARBON BOND
Monday, January 14, 2013 at 7:41pm by KEITH

chemistry
The carbon concentration in the steel before carburization is 366.5 ppm and is initially uniform through the thickness of the steel. The atmosphere of the carburizing furnace maintains a carbon concentration of 8040.0 ppm at the surface of the steel. Calculate the time ...
Sunday, December 16, 2012 at 9:13am by opppp

Advanced Chem
How can one determines whether there is a free rotation around a carbon-carbon triple bond?
Sunday, September 21, 2008 at 6:31pm by Idiota

chem.
What is the amount of energy released when a carbon carbon single bond is broken? how do i even figure this out?
Thursday, August 13, 2009 at 1:32pm by needs help

chem
How many kilojoules of energy are released from the carbon carbon single bonds when Glucose (C6H12O6) is burned? how would i do this?
Friday, August 21, 2009 at 4:22pm by chrissy

Physics
At what distance from a carbon nucleus is the electric potential 2.1 V? Carbon atoms have 6 electrons in the atomic shell.
Wednesday, February 24, 2010 at 8:12pm by Susie

physics
At what distance from a carbon nucleus is the electric potential 3.8 V? Carbon atoms have 6 electrons in the atomic shell.
Monday, April 26, 2010 at 12:43am by saw

Chen=mistry
Sodium metal reacts violently with water to form NaOH and release hydrogen gas. Suppose that 3.00 g of Na reacts completely with 3.00 L of water and the final volume of the system is 3 L. What is the molarity M of the NaOH Solution formed by the reaction?
Wednesday, May 1, 2013 at 8:44am by Janet

Chemistry
Some drain cleaners contain a mixture of sodium hydroxide and aluminum which reacts with water as follows: 2Al(s)+2 NaOH(aq)+6H2O(l)->2Na[Al(OH)4](aq)+3H2(g) What mass of hydrogen gas can be produced when 5g Al reacts with sufficient NaOH and H2O) according to the above ...
Sunday, November 1, 2009 at 4:39pm by Christina

chemistry
Calculate the mass percent composition of carbon in each the following carbon compounds. a) C_4H_10 b) C_6H_10 c) CCl_2F_2 d) C_8H_13O_5N
Saturday, September 11, 2010 at 12:57pm by Mely

integrated science
explain the difference between the following three substance carbon (c) carbon dixoide (co2) and oxygen (o2)
Monday, February 7, 2011 at 4:07pm by clodine

chemistry
calculate the weight of carbon momoxide having same number of O2 atoms as are present in 22g of carbon dioxide
Monday, June 20, 2011 at 11:32pm by joyti

chemistry
When 0.100 mol of carbon is burned in a close vessel with 8.00g of oxygen, how many grams of carbon dioxide can form?
Sunday, July 24, 2011 at 9:18pm by Kristin

Chemistry
Carbon-14 has a half-life of 5730 y. How much of a 144 g sample of a carbon-14 will remain after 1.719 (times) 10 4y?
Tuesday, December 11, 2012 at 11:22pm by David

Chemistry
Carbon-14 has a half-life of 5730 y. How much of a 144 g sample of a carbon-14 will remain after 1.719 (times) 10 4y?
Tuesday, December 11, 2012 at 11:22pm by David

Chemistry
I have a cyclohexane with a 3 carbon chain coming off of it. and two methyl groups on the second carbon. what is it called :/
Monday, February 18, 2013 at 3:17am by Frustrated

Chemistry
Calculate the mass percent composition of carbon in each the following carbon compounds. C2H2 C3H6 C2H6 C2H6O
Monday, March 4, 2013 at 5:50pm by Amee

Biology
the carbon atoms in the carbon dioxide gas we breathe out come from molecules of??? please help! incredibly lost!
Wednesday, February 5, 2014 at 6:45pm by College Student

chemistry
How many carbon(C) atoms are present in 30. mol of carbon? 1.8*10^25
Sunday, February 5, 2012 at 1:24pm by kr

chemistry
If a sample of a compound of carbon and oxygen contains 3.00g of carbon and 8.00g of oxygen, what is the mass percent of carbon in the compound? A. 27.3% B. 25.0% C. 37.5% D. 3.67% E. 2.67%
Friday, February 4, 2011 at 1:33pm by Kathy R

Science
Copper Oxide + Carbon -> Copper + Carbon Dioxide Calculate the mass of carbon needed to obtain 63.5g of copper from 79.5g of Copper Oxide
Sunday, February 23, 2014 at 5:43pm by Harry

Science
Copper Oxide + Carbon -> Copper + Carbon Dioxide Calculate the mass of carbon needed to obtain 63.5g of copper from 79.5g of Copper Oxide
Sunday, February 23, 2014 at 5:43pm by Harry

chemistry
Oxygen reacts with the dipeptide glycylglycine [C4H8N2O3(s)] to form urea [CH4N2O], carbon dioxide and water: 3O2(g) + C4H8N2O3 (s)  CH4N2O (s) + 3CO2(g) + 2H2O(l) At STP, solid glycylglycine has the following thermodynamic properties: = -491.5 kJ/mol = -746.0 kJ/mol...
Wednesday, February 11, 2009 at 8:22pm by Tillie

Thermodynamics
Oxygen reacts with the dipeptide glycylglycine [C4H8N2O3(s)] to form urea [CH4N2O], carbon dioxide and water: 3O2(g) + C4H8N2O3 (s) -> CH4N2O (s) + 3CO2(g) + 2H2O(l) At T=298.15 K and 1.00atm, solid glycylglycine has the following thermodynamic properties: DeltaGf= -491.5 ...
Monday, November 22, 2010 at 4:26pm by Jill

chemistry
In a bottle of unopened cola, the CO2 dissolved in the liquid is in equilibrium with the CO2 gas above the liquid. The dissolved gas reacts with water molecules in the liquid to from carbonic acid, which also dissociates into carbon dioxide and water. Which chemical equation(s...
Tuesday, April 23, 2013 at 12:05pm by Angeline

Chemistry
Show the mechanism that illustrates the following reaction. 1-methyl-1-methanol-cyclopentane + acid -> 1-methyl-cyclohexene So, there is an elimination reaction, *AND* the carbon ring grows from a five carbon ring to a six carbon ring. (I hope my IUPAC name for 1-methyl-1-...
Friday, June 6, 2008 at 9:31pm by chemstudent

chemistry
during the burning of coal: C + O2 = CO2 if 12g of carbon is burnt in plenty of oxygen,what mass of carbon dioxide is produced
Monday, September 12, 2011 at 10:47am by christiana

science
if a sample of rock starts out with 32 atoms of carbon-14 how much carbon-14 would be left after 5,700 years
Thursday, February 28, 2013 at 1:01am by dallas

AP Chem. 3
A 1.80 g sample of a large boimolecule was dissolved in 21.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is 5.03Ckg/mol, and the ...
Monday, January 30, 2012 at 2:35pm by Kathryn

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. ...
Tuesday, April 14, 2009 at 12:53am by Brigette

Chemistry
I'm about to do the second part of a Limiting Reagent laboratory tomorrow. There are a few questions that are giving me trouble on the pre-lab assignment. In the first lab period, we measured the amount of H2 gas produced in a reaction of Mg and 10 mL of 2.0 M HCl. We varied ...
Wednesday, March 11, 2009 at 11:17pm by Jake

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) 2NaCl(aq) + ...
Sunday, June 6, 2010 at 4:56am by Judy

CHEMISTRY
the ion Na+ and the atom Ne have the same electron configuration. to remove an electron from the gaseous neon atom requires 2081 kj/mol. to remove an electron from a gaseous Na+ ion requires 4562 kj/mol. why are these values not the same?
Saturday, September 25, 2010 at 6:37pm by Anonymous

chemistry
CH3CCH IN LEWIS DOT DIAGRAMS OK. Move the two top electrons on carbon 2 to carbon 3 and do the same for the two lower electrons on carbon 2. Move them to carbon 3. I'll see if I can do that but you see how difficult it really is.          &...
Monday, December 4, 2006 at 4:38pm by zeina

chemistry
Calculate the mass percent composition of carbon in the following carbon compound. C_8H_13O_5N I got 0.4729 as an answer but it's wrong. Please help me.
Saturday, September 11, 2010 at 4:40pm by Mely

Biology
The half-life of Carbon-14 is 5730 years. What is the age of a fossil containing 1/16 the amount of Carbon-14 of living organisms? Explain your calculation.
Sunday, December 9, 2012 at 5:45pm by Melissa

Science
You are creating a carbon cycle poster. In which direction would you draw arrows to show the movement of carbon through the process of respiration?
Wednesday, December 11, 2013 at 7:41pm by Sarah

chemistry
Hi, please help me with this question 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 ...
Wednesday, June 2, 2010 at 6:14am by Judy

chemistry
An unknown compound contains only carbon, hydrogen, and oxygen (CxHxOx). Combustion of 3.50G of this compound produced 5.13G of carbon dioxide and 2.10G of water A.How many moles of carbon, , were in the original sample? b. How many moles of hydrogen, , were in the original ...
Saturday, February 8, 2014 at 8:27pm by URGENT!

Chemistry
A compound containing 3 atoms of carbon and 8 atoms of hydrogen is combined in a reaction with oxygen molecules. The two end products of this equation are carbon dioxide and water. What element should you look at first in balancing this equation? A. oxygen B. Hydrogen C. ...
Saturday, November 7, 2009 at 10:31am by William

English
An international agreement that aims to reduce carbon dioxide emissions and the presence of greenhouse gases. Countries that ratify the Kyoto Protocol are assigned maximum carbon emission levels and can participate in carbon credit trading. Emitting more than the assigned ...
Monday, April 8, 2013 at 1:27pm by Brittany

chemisty
in a soda-acid fire extinguisher, concentrateed sulfuric acid reacts with sodium hydrogen carbonate to produce carbon dioxide, sodium sulfate and water. How many moles of sodium hydrogen carbonate would be neefed to react with 150.0 grams of sulfuric acid? How many moles of ...
Thursday, February 21, 2008 at 5:56pm by leslie

Chemistry
CORRECTION: (sorry!) What major product will be obtained if the following alcohol is dehydrated: CH3 | CH3CH2CCH3 | OH (the CH3 is connected to the 3rd Carbon from the left and the OH is attached to the same Carbon) I tried to do it and this is what I got: CH3 | CH3CH=CCH3 Is ...
Monday, February 22, 2010 at 9:49am by Holly

Science asap
Which organisms are capable of converting gaseous nitrogen in the air into a form that other living organisms can use? nitrogen-fixing bacteria denitrifying bacteria decomposers producers Which step in the nitrogen cycle is accelerated at the beginning of the eutrophication ...
Monday, March 17, 2014 at 10:31pm by anonymous

chemistry
Use the following information to identify element A and compound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15C. When...
Thursday, December 7, 2006 at 1:40am by Sara

chem!
Calculate the heat of reaction for the incomplete combustion of 67.0g propane producing carbon monoxide gas and water vapour. how would I go about and do this question? What are you studying? Do you know how to use the thermodynamic tables (delta Ho, etc). delta Hrxn = delta ...
Monday, May 14, 2007 at 4:06pm by Chem

chemistry
A 1.00-g sample of carbon from a modern source gave 15.3 disintegrations per minute. A sample of carbon from an old source gave 920 disintegrations per hour. What is the age of the old sample of carbon? The half-life of carbon-14 is 5.73103 year. a. about 34,400 years b. ...
Monday, April 25, 2011 at 2:33pm by Eddy

chemistry
A 1.00-g sample of carbon from a modern source gave 15.3 disintegrations per minute. A sample of carbon from an old source gave 920 disintegrations per hour. What is the age of the old sample of carbon? The half-life of carbon-14 is 5.73103 year. a. about 34,400 years b. ...
Monday, April 25, 2011 at 2:33pm by Eddy

chemistry
Copper reacts with sulfuric acid according to the following equation: 2H3SO4 + Cu-> CuSO4 + 2H2O + SO2 How many grams of sulfur dioxide are created by this reaction if 14.2 g of copper reacts with 18 g of sulfuric acid?
Thursday, January 20, 2011 at 1:44am by Maria

chemistry
Copper reacts with sulfuric acid according to the following equation: 2H3SO4 + Cu-> CuSO4 + 2H2O + SO2 How many grams of sulfur dioxide are created by this reaction if 14.2 g of copper reacts with 18 g of sulfuric acid?
Thursday, January 20, 2011 at 2:55pm by Maria

chemistry
Copper reacts with sulfuric acid according to the following equation: 2H3SO4 + Cu-> CuSO4 + 2H2O + SO2 How many grams of sulfur dioxide are created by this reaction if 14.2 g of copper reacts with 18 g of sulfuric acid?
Thursday, January 20, 2011 at 6:43pm by Jazmin

Chemistry
Complete combustion of a sample of propane produced 2.641g of carbon dioxide and 1.442g of water as the only products. Find the empirical formula of propane. I have already calculated the number of moles for both water and carbon dioxide. I also know that propane is only ...
Monday, July 5, 2010 at 7:31pm by Victoria

Physics
At what distance from a carbon nucleus is the electric potential 1.8 V? Carbon atoms have 6 electrons in the atomic shell ...im very confused with this question, please help!
Sunday, February 28, 2010 at 7:48pm by Lauren

chemistry
Zinc metal reacts with hydrochloric acid (HCl) according to the equation: Zn(s)+HCl(aq)=ZnCl2(aq)=H2(g) How many grams of H2 are produced if 100 grams of zinc reacts?
Monday, April 12, 2010 at 4:58am by Duaine

college geology dealing with carbon 14
ok in my professors notes he calculates carbon 14 age in an example. The problem goes like this: Sample contains 110g carbon sample produces 70 disintegrations per minute. That is 0.7 disintegrations per minute. T=(1/lambda)ln(N0/Nt) Then he substitutes: t=(1/1.209*10^-4/year)...
Monday, October 20, 2008 at 10:27pm by student012

Chemistry
Xe(g) + F2(g) ----uv light---> Xe F2(s) XeF2(g) + 2F2(g) ---catalyst---> XeF6(s) XeF6(s) + H2O(l) ------> Xe O3(s) + 6HF(g) Looking at these three reactions respond the following: a) For each 0.0250 grams of xenon hexaflouride that reacts, what mass of water is ...
Sunday, January 22, 2012 at 11:02pm by Alexandra

Physics
Could someone help explain this problem to me . . . Carbon 14 has a half-life of 5700 year, scientist use this fact to determine the age of things made of organic material. Suppose the average page of a book containing aprox. 0.5mg of Carbon 14 is put into a time capsule how ...
Sunday, December 9, 2007 at 4:36pm by Andy

chemistry
Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide, and water. 3 CaCO3(s) + 2 H3PO4(aq) Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O(l) How many grams of phosphoric acid react with excess calcium carbonate to produce 3.29 g Ca3(PO4)2?
Wednesday, March 31, 2010 at 4:03pm by carson

Chemistry
Calcium carbonate reacts with phosphoric acid to produce calcium phosphate, carbon dioxide, and water. 3 CaCO3(s) + 2 H3PO4(aq) Ca3(PO4)2(aq) + 3 CO2(g) + 3 H2O(l) How many grams of phosphoric acid react with excess calcium carbonate to produce 3.47 g Ca3(PO4)2?
Thursday, January 27, 2011 at 10:27pm by Katie

chemistry
how many carbon-hydrogen bonds does ethane have? how many carbon-carbon bonds does ethane have? is it 6 for the 1st and 1 for the 2nd?
Sunday, October 2, 2011 at 11:43pm by alexis

Chemistry 1
I have trouble understanding ratios and relativity so I can't understand how to use atomic mass units. Here is an example from my book: How many grams of iron would contain the same number of iron atoms as the number of carbon atoms contained in 1.000 g of carbon? Solution: ...
Saturday, September 11, 2010 at 7:32pm by Leah

chemistry
These are short and simple. :) I've included my answers, tell me if I am wrong please. CH3 is attached to a carbon on a pentane ring. Is the hybridization of the carbon sp3? NH connects a benzene ring to two benzene rings. Is the hybridization of the nitrogen sp2? OH is ...
Wednesday, March 16, 2011 at 6:57pm by s

chemistry
These are short and simple. :) I've included my answers, tell me if I am wrong please. CH3 is attached to a carbon on a pentane ring. Is the hybridization of the carbon sp3? NH connects a benzene ring to two benzene rings. Is the hybridization of the nitrogen sp2? OH is ...
Wednesday, March 16, 2011 at 7:09pm by s

Chemistry
Ammonia reacts with oxygen at 120 C to form NO and H20 in a sealed 40-L container. When 34 g of ammonia reacts with 96 g of oxygen, what is the partial pressure of the NO? What is the total pressure?
Sunday, May 20, 2012 at 11:31am by Erin

chemistry HELP
Use the following information to identify element A and compound B, then answer questions a and b. An empty glass container has a mass of 658.572 g. It has a mass of 659.452 g after it has been filled with nitrogen gas at a pressure of 790. torr and a temperature of 15C. When...
Sunday, October 29, 2006 at 12:55am by sonya

Physics
In a mass spectrometer, singely ionized carbon-12 (normal carbon of atomic mass number 12) has a radius of curvature of 9 cm. What would be the radius of curvature of singely ionized carbon-14, assuming equal velocities? (A) 12.3 (B) 10.5 (C) 7.71 (D) 3.58
Friday, November 4, 2011 at 12:45pm by Arielle

Physics
In a mass spectrometer, singely ionized carbon-12 (normal carbon of atomic mass number 12) has a radius of curvature of 9 cm. What would be the radius of curvature of singely ionized carbon-14, assuming equal velocities?
Sunday, November 6, 2011 at 1:30pm by Arielle

11th grade
A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.0 cm, and a piston is carefully placed on the surface of the compound so that, for all practical purposes, the distance between the bottom of the cylinder ...
Friday, January 2, 2009 at 6:12pm by rikita

Chemistry
A sample consisting of 22.7 g of a nongaseous, unstable compound X is placed inside a metal cylinder with a radius of 8.0 cm, and a piston is carefully placed on the surface of the compound so that, for all practical purposes, the distance between the bottom of the cylinder ...
Monday, January 5, 2009 at 8:37pm by lulu

ChemB
The activity of carbon 14 in living tissue is 15.3 disintegrations per minute per gram of carbon. The limit for reliable determination of age is based on carbon 14 is .10 disintegration per min per gram of carbon. Calculate the max age of a sample that can be dated accurately ...
Monday, January 23, 2012 at 12:49am by L.Bianchessi

Alg2
A piece of wood discovered in an archaeological dig was found to have lost 62% of it's carbon-14. Carbon-14 has a half-life of 5630 years. Determine it's age.
Tuesday, June 1, 2010 at 9:51pm by Cal

chemistry
One of the steps in the Ostwald process for the production of nitric acid involves oxidation of ammonia. 4NH3 (aq) + 5O2 (g) <---> 4NO (g) + 6H2O (g), Delta H= -905kJ a) State the reaction conditions that favour the production of nitrogen monoxide. b) A rhodium/platinum ...
Sunday, December 4, 2011 at 10:13pm by Ahmed

Engineering
Can someone please help me with this problem? In order to reduce the material cost, an engineer decides to use a hybrid beam instead of an all-carbon fiber beam. Both beams have the same overall dimensions with rectangular cross-sections. The hybrid beam contains carbon fibers...
Tuesday, April 14, 2009 at 7:43pm by Jim

chem
well it saids: A 1.50L rubber balloon is filled with carbon dioxide gas at a temperature of 0.00C and a pressure of 1.00 atm. the density of the carbon dioxide gas under these conditions is 1.98g/L. a)at 50.0C the balloon ha a vlomue of 1.78L. Calculate the carbon dioxide ...
Sunday, November 14, 2010 at 9:43pm by julia

chemistry
calcium oxide reacts with water and with nitric acid. State the formula of the calcium compund when: (i) calcium oxide reacts with water (ii) calcium oxide reacts with nitric acid
Sunday, October 30, 2011 at 11:44am by anastasia

chemistry
N2 + O2 2 NO H = 43.2 kcal Based on the reaction shown, which statement is true? A) 43.2 kcal are consumed when 1.00 g of O2 reacts. B) 43.2 kcal are produced when 1.00 mole of NO is produced. C) 43.2 kcal are consumed when 1.00 g of N2 reacts. D) 43.2 kcal are consumed ...
Monday, November 9, 2009 at 1:13pm by brandy

Chemistry
Please write the balanced chemical equation for reaction the following chemical reaction ozone gas, O3, reacts with 3,3,4,4,5,5-hexanmethyl-1-hexyne, H-C≡C-C(CH3)2-C(CH3)2-C(CH3)2-CH3 to produce carbon dioxide gas, CO2 , and water gas, H2O When balancing the equation , ...
Thursday, November 8, 2012 at 7:32pm by Amanda

Chemistry
Estimate the change in energy when solid rubidium reacts with gaseous diatomic chlorine molecules. Express your answer in units of kJ/mole. Do not refer to the periodic table to solve this problem. The following data may be useful in your calculation: Madelung Constant: 1.763 ...
Saturday, November 17, 2012 at 4:59pm by Basim

Chemistry
For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine, fuctional group, isomers. a. Organic compounds with identical molecular formulas that differ in the order the atoms ...
Tuesday, July 20, 2010 at 2:43pm by Elisabeth

Chemistry
For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine, fuctional group, isomers. a. Organic compounds with identical molecular formulas that differ in the order the atoms ...
Tuesday, July 20, 2010 at 2:43pm by Elisabeth

Chemistry
Are these correct? 1. KBr: Potassium Bromide 2. Cu2O: Copper (I) Oxide 3. HCl: Hydrochloric Acid 4. N2O4: Dinitrogen Tetroxide 5. H3P: Hydrophosphoric Acid 6. FeS: Iron (II) Sulfide 7. Ag2SO4: Silver Sulfate 8. HNO2: Nitrous Acid 9. Pb(CO3)2: Lead (IV) Carbonate 10. Ba(NO3)2: ...
Wednesday, January 12, 2011 at 1:30pm by Anonymous

chemistry
A 2.760 g sample of carbon was burned, yielding 10.120g of carbon dixode. How many grams of oxygen was taken up by the reaction? What ofrmula would I use to solve this problem?
Thursday, September 27, 2007 at 8:53am by pat

chemistry
Estimate the change in energy when solid rubidium reacts with gaseous diatomic chlorine molecules. Express your answer in units of kJ/mole. Do not refer to the periodic table to solve this problem. The following data may be useful in your calculation: Madelung Constant: 1.763 ...
Saturday, November 17, 2012 at 8:32am by amar chauhan

Chemistry
How many neutrons in carbon-12 and how did you get yuor answer The atomic number is the number of protons. Look for element number 6 on the periodic table and see carbon. For carbon, there are 6 protons. # protons + # neutrons = mass number 6 + # neutrons = 12 # neutrons = 12...
Sunday, October 15, 2006 at 10:38am by Schooler

Radioactivity
1. A granite rock is thought to be about 2 billion years old. why is it not possible to determine the age of the Rock using carbon-14 dating? 2. A hair sample has 80% of its original carbon-14 present. what is the age of the sample? 3. A bone fragment has lost 75% of its ...
Thursday, April 17, 2014 at 3:04pm by Anonymous

chemistry
Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. What mass of hydrochloric acid reacts when 87.7 grams of aluminum dissolves? The equation is 2Al+6HCl=2AlCl3+3H2
Tuesday, January 31, 2012 at 7:03pm by Kendall

Chemistry
How many mols of dinitrogen monoxide are contained in 56.0L at STP?
Monday, June 11, 2012 at 9:23pm by Harrison

chemistry
What is the pressure change for the reaction below at 25 C in the process of reaching equilibrium if there is initially enough ammonium hydrogen sulfide to reach equilibrium? Kp= 4.0*(10^4) NH3(g)+H2S(g) ---><--- NH4HS(s) Answer: 1.0*[10(-2)] Not sure what to do here; I ...
Wednesday, July 20, 2011 at 3:24pm by l

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 ...
Thursday, May 13, 2010 at 11:05pm by jake

Chemistry
A 1.90-g sample of a large biomolecule was dissolved in 25.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85C. Calculate the molar mass of the biomolecule. For carbon tetrachloride, the boiling point constant is 5.03C kg/mol, and ...
Sunday, July 15, 2012 at 1:48pm by Tasha

CALCULUS
3.Using the curve that you constructed for the decomposition of Carbon 14, find the age of a prehistoric cave painting discovered in the Lascaux Caves in southern France if the amount of Carbon 14 has decayed to 14.29%
Monday, April 11, 2011 at 9:38am by Pera

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members