February 28, 2015

Search: Na2CO2(s)+HCl(aq)NaCl+H2O(L)+CO2(g)

Number of results: 9,308

what is the molality of 18 g NaCl in 200 g of H2O?
November 25, 2014 by Brittany

Calculate the molarity of each. a. 1.50 mole of NaCl in 8.00 L of solution 0.188 M NaCl b. 270 mg of NaCl in 3.00 mL of solution 90 M NaCl
February 22, 2012 by krystal

Nitric oxide (NO) can be removed from gas-fired power-plant emissions by reaction with methane as follows: CH4(g) + 4NO(g) --> 2N2(g) + CO2(g) + 2H2O(g) Complete the equation relating the rates for each of the following: a) the rate of appearance of N2 to the rate of ...
October 15, 2012 by Brun

Simple Chem Question: Please Answer
I can't remember if the reactant always on the left side and the product on the right side? 1 Ex: CaO + H2O arrow Ca(OH)2 2 Ex: 2NaHCO3 arrow Na2CO3 + H2O + CO2
May 24, 2010 by Anonymous

here I have a (hopefully) balanced equation. Would you mind pointing out my errors, and explaining the right way to fix them? Thanks in advance. C5H12 + O2 yields CO2 + H2O I balanced this as: 2C5H12 +4O2 yields 5 CO2+6H2O.
April 1, 2009 by Krissa

When 3.05 moles of CH4 are mixed with 5.03 moles of O2 the limiting reactant is __________. CH4 + 2O2 CO2 + 2H2O A) CH4 B) O2 C) CO2 D) H2O
July 13, 2013 by Janaiby

A1g sample of enriched water, a mixture of H2O AND D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution. A 25.00 mL, sample of the 1 L solution was reacted with excess AgNO3 and 0.3800g of ...
September 21, 2013 by Anirudh

given the following electronegativities Na=0.9, H=2.1, Cl=3.0 which of the following statements is true? H2,Cl2, and HCl are polar covalent molecules NaCl is a polar covalent compound and HCl is an ionic compound HCl is a nonpolar covalent compound and Cl2 is a polar covalent ...
February 23, 2014 by Dee Dee

a gaseous hydrocarbon reacts completely with oxygen gas to form carbon dioxide and water vapor. given the following data, determine (delta)HoF for hydrocarbon: (delta)Horxn=-2044.5kj/mol hydrocarbon (delta)HoF CO2= -393.5kj/mol (delta)HoF H2O = -242kj/mol denstity of CO2 and ...
April 20, 2008 by chemistry

Lithium hydroxide is used in the space program to remove carbon dioxide (frin respiration) in spacecraft. Specifically, lithium hydroxide, LiOH reacts with carbon dioxide, CO2 to form lithium carbonate Li2Co3, and water. 2 liOH + Co2 Li2Co3+ H2O. What mass of CO2 can be ...
March 28, 2012 by Ambra

These are the answers I got for the following problems - am I right? 1) How many grams of water, H2O, and propene, C3H6, can be formed from the reaction of 6.0 g of 2-propanol, C3H8O? C3H8O ----> C3H6 + H2O 1.8g H2O and 4.2g C3H6 2) How many moles of water, H2O, can be ...
November 29, 2009 by Mary

what is the highest boiling point to the least HF,HCL, NACL, F2
April 23, 2011 by Danna

why nh4cl is not used in place of nacl to prepare hcl?
March 16, 2013 by Ashritha

Lithium hydroxide is used in the space program to remove carbon dioxide (from respiration) in spacecraft. Specifically, lithium hydroxide, LiOH, reacts with carbon dioxide, CO2, to form lithium carbonate, Li2CO3, and water. 2 LiOH + CO2 Li2CO3 + H2O What mass of CO2 can be ...
July 24, 2008 by Lynn

For the reaction: 2HCl + Na2CO3→ 2NaCl + H2O + CO2 how much CO2 is produced at STP if 18.5 L of 1.15 M Na2CO3is used? The molar mass of Na2CO3is 106.01 g/mol. I know I have to use stoichiometry and possibly PV=nRT but I don't know what to use first. Do I start with 18.5L?
March 17, 2013 by Kelly

If you know that the mass concentration of a NaCl solution is 58.5 g/L, the molar concentration (mol/L) of the solution is ? can sum1 help me plz 1 mol of NaCl has a mass of what? 58.5 g NaCl x (1 mol NaCl/molar mass NaCl) = mols NaCl on 58.5 gg NaCl. Mols NaCl/Liter of ...
June 13, 2006 by brett

AP Chemistry
For the reaction ?CH4+ ?O2 ==> ?CO2+ ?H2O, what is the maximum amount of CO2 (44.0095 g/mol) which could be formed from 3.67 g of CH4 (16.0425 g/mol) and 4.23 g of O2 (31.9988 g/mol)? Answer in units of g I know that you have to balance the equation, so the coefficients 1, ...
December 1, 2014 by Savanna

liquid heptane C7H16 is completely combusted to produce CO2 and H2O: C7H16 + 11O2 --> 7CO2 + 8H2O the heat combustion for one mole of C7H16 is -4.85*10^-3 CO2 heat of comb. = -393.5 H2O h of c= -285.8 a) calc. the vale of heat of cumbustion for C7H16 in kJ/mol a .0108 mol ...
March 10, 2010 by hilde

AP chemistry
8.3 grams of NaCl and 3 grams of KBr were dissolved in 47 mL of water. What is the mole fraction of KBr in the solution? I know that the mole fraction of the KBr and Nacl (without using the mL H2O is .2, but, i am confused on where i use that mL in the problem.) Please help!
October 3, 2010 by Chem is try

human biology
I hope someone can help me answer this queestion: which of the following does NOT involve the sharing of electrons? H20, HCl, NaCl, H2 or C6, H12, O6 and why? The last three compounds you listed do not exist. Among the others, NaCl does not share electrons; the Cl completely ...
March 18, 2007 by sophia

solubility of NaCl in a H2O at 30 degrees Celcuis
June 20, 2010 by Anonymous

What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O?
February 10, 2011 by Anonymous

AP Chemistry
Summary of problem Photosynthesis uses CO2 & H20 to make C6H12O2. If a plant has 99 grams of CO2 & 68 grams of H2O for photosynthesis, what's the balanced equation, the mass of glucose made, & the mass of excess?
October 7, 2010 by Alex

NaOH + HCl ------> NaCl + HOH I need to figure out the quantity of heat in this reaction. The volume of the solution is 150 mL (NaCl + HOH). The inital temperature is 26 degrees celcius and the final temperature is 23 degrees celcius. That's all I know. How would I go about...
April 7, 2009 by Lena

Methanol (CH4O0, which is used as a fuel in high performance racing cars, burns in the presence of )2 to form CO2 and H2O. The molar masses for all substances are given under the balanced equation. 2 Ch4O9l) + 3 O2(g)-->2 CO2(g)+ 4H2O9g) 32.0g/mol 32.g/mol 44.0g/mol 18.g/mol
April 12, 2010 by cathy

How many grams of CO2 would be produced from the following reaction sequence? HI + KHCO3 -> KI + H2CO3 H2CO3 -> H2O + CO2 if 20.0 ml of 1.00 M KHCO3 solution is mixed with 20.0 ml of 1.50 M HI solution.
November 15, 2011 by Kristi

C2H6(g) + O2(g) CO2(g) + H2O(g) (a) Consider the unbalanced equation above. What is the maximum mass of CO2 that can be produced when 21.0 g of C2H6 and 38.5 g O2 react? (b) If 24.7 g of carbon dioxide is actually produced by the reaction in part (a), what is the percent yield...
October 7, 2013 by Connor

balance the following equations and write an equation for the mole to mole relationship and the mass relationship a. Na + H2O > NaOH + H2 b. HCl + KOH > KCl + H2O
April 20, 2008 by shaggy

1.what is the volume of NaCl in cubic cm and cubic nm if the Length is 0.563 nm? 2. the density of NaCl is 2.17 g/cm. What is the Mass? 3. Each repeating unit is composed of 4 NaCl molecules. What is the Mass of 1 NaCl molecule?
August 20, 2011 by andi

a 110 g solid sample that is a mixture of CaCO3 and CaCl2 is reacted with 1.50 L of 1.45M HCl. Of the calcium salts, only calcium carbonate reacts with HCl- the reaction forms CaCl2 and CO2. The excess/unreacted HCl requires 0.850 L of 0.543 M NaOH to titrate it to the ...
December 3, 2012 by Cristian

How many grams of HCl are produced if the following reaction yielded 27.1 grams of H3PO4? PCl5 + 4 H2O --> H3PO4 + 5 HCl
September 30, 2014 by Alex

A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution. A 25.00 mL sample of the 1.00 L solution was reacted with excess AgNO3 and 0....
September 21, 2012 by Adam

Which solution has the lower freezing point? (a) 90.0 g CH3OH in 100. g H2O 180.0 g CH3CH2OH in 200. g H2O (b) 70.0 g H2O in 1.00 kg CH3OH 70.0 g CH3CH2OH in 1.00 kg CH3OH delta T = Kf m convert 90 g CH3OH to mols mols/kg solvent = m (kg solvent = 0.1) do the same for 180 g ...
January 21, 2007 by Stuck

A Can of CO2 contains 5.75gmolecules of CO2. Calculate (a)number of moles of CO2 (b) mass of CO2.
May 1, 2014 by maris

which of the following is a nonelectrolyte? a)c3h8 b)h2so c)hcl d)hno 3 e)nacl
October 5, 2007 by jessica

If i used NaCl to try to precipitate Ag+ from a solution, will it be as effective as HCl?
November 16, 2008 by Chemistry

what causes the different physical properties between HCl and NaCl
September 28, 2009 by Adam

Determine whether the following are endothermic or exothermic. 2H2O2 (l) 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) CO (g) + H2 (g) ∆H = +113 kj C4H9OH(l) + 6 O2(g) 4 CO2(g) + 5 H 2O(g) ∆H = -2456.1 2 C(s) + H2(g) C2H2(g) ∆H = +226.71 N2O5(...
March 13, 2008 by c

A rolaids tablet contains calcium carbonate which neutralizes stomach acid. If rolaids tablet neutralizes 42.15 mL of 0.320M hydrochloric acid, how many milligrams of calcium carbonate are in a Rolaids tablet CaCO3 + 2 HCl ------> CaCl2 + H2O + CO2 Pls show steps
November 15, 2011 by monique

The question I am having trouble with is: Scientists originally were uncertain whether the oxygen gas produced during photosynthesis came from CO2, H2O, or from both. How could radioisotope tracers be used to settle that question? Chemistry - DrBob222 6CO2 + 6H2O ==> ...
April 15, 2013 by Madison

what does coefficients in equations mean, in chemical terms? 2NaCl means we have two molecules or 2 mols of NaCl. Most texts caution us not to use molecules but to stick with the latter part of the definition (moles); however, I don't have any problem with saying, 2H2 + 2 O2...
January 25, 2007 by luke

Stelco has been recently legislated to reduce total SO2 emissions from iron smelting operations. Select the most effective chemical reagent to desulfurize Stelcos gas emissions as a strategy to minimize the environmental impact of acid rain in eastern Canada: 1. NaCl 2. CO2 3...
November 8, 2009 by Danny

LiOH and NaOH can each react with CO2 to form the metal carbonate and H2O. These reactions can be used to remove CO2 from the air in a spacecraft. a. Write a balanced equation for each reaction. b. Calculate the grams of NaOH and of LiOH that remove 288 g CO2 from the air. c. ...
June 2, 2010 by mikey d.

college chemistry
what is the highest freezing point of H2O, NaCl, and HF
December 6, 2010 by Anonymous

chemistry please help!!
For the reation: C3H8+5 02 =3 CO2+4 H2O How many moles of C3H8 are needed to make 3.60 grams of H2O? I think the ans is 0.05 moles c3h8
October 25, 2010 by Lillian

Hi I have two questions and I was hoping someone could help me with them. 1. Classify the following compounds as ionic or covalent a. MgCl2 b. Na2S c. H2O d. H2S 2. Which compound in each pair exhibits the stronger intermolecular hydrogen bonding? a. H2S vs. H2O b. HCl vs. HF ...
August 2, 2007 by Alekya

for the equilibrium H2+CO2<-->H2O+CO Kc=3.18 at 1106K. if each of the four species was initially present at 3.000M calculate the equilibrium concentration of the CO at this temperature..... OK I can get as far as equilibrium (final) H2O=3.000-x CO=3.000-xx H2=3.000+x CO2...
May 9, 2010 by Andy

I Posted this question the other day: A 1.00 g sample of enriched water, a mixture of H2O and D2O, reacted completely with Cl2 to give a mixture of HCl and DCl. The HCl and DCl were then dissolved in pure H2O to make a 1.00 L solution. A 25.00 mL sample of the 1.00 L solution ...
September 26, 2012 by Adam-- Dr Bob, Help!

Which of the following mixtures will be a buffer when dissolved in a liter of water? a. 0.1 mol Ca(OH)2 and 0.3 mol HI b. 0.3 mol NaCl and 0.3 mol HCl c. 0.4 mol NH3 and 0.4 mol HCl d. 0.2 mol HBr and 0.1 mol NaOH e. 0.2 mol H3PO4 and 0.1 mol NaOH i think e is answer but not ...
May 21, 2010 by George2

Give the percent yield when 15.9 g of CO2 are formed from the reaction of 4.000 moles of C8H18 with 4.000 moles of O2. 2 C8H18 + 25 O2 -> 16 CO2 + 18 H2O
February 28, 2010 by candace

How many milliliters of 0.418 M HCl are needed to react with 52.7 g of CaCO3? 2HCl (aq) + CaCO3 (s) >>> CaCl2 (aq) + CO2 (g) + H20 (l) I got .00252 mL but its wrong. This is what I did: 52.7 g x (1 mol CaCO3/100.09 CaCO3) x (2 mol HCl/ 1 mol CaCO3)= 1.05 mol HCl ...
September 19, 2009 by Some kid

Chemistry -help
To determine the sodium carbonate content & total alkali in NaOH, the following steps were performed:- 1) 2.0g of NaOH was dissolved in 80ml of CO2 free water. 2) 3 drops of phenolphthalein indicator were added and the solution was titrated with 1M HCl. Colour changed from ...
September 18, 2010 by anne

which solution has the lower pH? a)0.1 M HCL or 0.1 M HC2H3O2? b)0.1 M NaOH or 0.1 M NH3? c)0.1 M Na2CO3 or 0.1 M NaCl?
November 9, 2011 by denis

I need to know how to dilute a 1L IV bag of 0.45% NaCl with 3.5% NaCl water to make it a drinkable 0.9% NaCl
December 9, 2009 by Emma

What happened if you put the Elodea leaf cells in a solution of 0.5% NaCl,1.8% NaCl and 0.9%NaCl?
July 23, 2011 by Ivy

will a red blood cell undergo crenation, hemolysis, or no change in each of the following solutions? 1% (m/v) glucose 2% (m/v) NaCl 5% (m/v) NaCl .1% (m/v)NaCl
May 9, 2011 by Curlyqty

chemistry solution preparations
how can we prepare 0.5 n solution of hcl as we have 37% hcl and 0.1n hcl. and we want to make 0.5n hcl from 0.1n hcl by pouring 37% hcl?
July 7, 2014 by asif

Hi, I posted a question yesterday : A compound contains only carbon, hydrogen, nitrogen, and oxygen. Combustion of 0.157 of the compound produced 0.213g CO2 and 0.0310 g H20. In another experiment, it is found that 0.103g of the compound produces 0.0230 g NH3. What is the ...
April 15, 2010 by Anonymous

Unsure how to solve this without a formula... I think its combustion analysis? CxHy + O2 --> CO2 + H20 CxHY has a MW=78g/mol. 100g of CxHy yields 338g CO2 and 138g of H2O. What is the formula CxHY (what are x and y)? Balance the reaction equation. Any help at all is ...
April 1, 2014 by Susan

1.) For which of the following substances is the standard enthalpy of formation equal to zero? a) water [H2O(l)] d) carbon dioxide [CO2(g)] b) lead [Pb(l)] e) tin [Sn(s)] c) carbon dioxide [CO2(s)] 2.) Consider the following four equations: 1. C6H6(l) + O2(g) 6CO2(g) + 3H2O(l...
August 3, 2011 by tt

In an experiment liquid hexane, C6H14 (l) is combusted completely to produce CO2(g) and H2O (l) according to the equation: 2 C6H14 (l) + 19 O2(g) -> 12 CO2(g) + 14H2O (l) The change in H degrees for the reaction is -8.39 x 10^3 KJ. Calculate change in H degrees for C6H14 (l).
November 29, 2010 by vvvvvv

CH4 + 2O2 ---> CO2 + 2H2O Delta H H2O= -285.8 kJ/mole Delta H CO2= -393.3 kJ/mole What is the standard heat of formation of methane, Delta H CH4, as calculated from the data above
November 18, 2011 by kc

Ethanol, C2H5OH or C2H6O, is mixed with gasoline and sold as gasohol. Given the following thermo-chemical reaction, calculate the kilograms (kg) of CO2 produced when enough ethanol is combusted to provide (or give off) 369 kJ of heat: C2H5OH (l) + 3 O2 (g) --> 2 CO2 (g) +3 ...
July 12, 2011 by Robert

Which of the following is an acidic oxide? a. ) NO2 b. ) H2O c. ) K2O d. ) NaCl e. ) Ca(OH)2
November 2, 2008 by Anonymous

what is molality of solution . in which Nacl and H2o have equal moles.
May 30, 2010 by shubham

if 125 ml of H2O is added to 50 ml of 0.35 M NaCl, what is the molarity of the resulting solution?
October 19, 2010 by Dana

A mass of 0.630 g of NaCl is dissolved in 525 g of water. CAlculate the molality. mass of NaCl= 0.630g mass of H20= 525g molar mass of NaCl= 58.44 This is what i did it keeps telling me the answer is wrong. Convert grams to moles of NaCl 0.630 * 1 mol NaCl/58.44= 0.01078 ...
May 21, 2009 by Saira

a mixture of methane and ethane 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 357 mmhg measured at the same temperature and volume as the original mixture, calculate the mole fraction of the gases.
December 4, 2010 by maggie

January 8, 2015 by JACORRIAN FOWLER

The equivalent weights of X and Y are _________ g/equiv. H+ and g/equiv. OH, respectively, for the following reaction: Z (Note: Report your answer with 4 significant figures.) X Y Z Answer #1 Answer #2 benzoic acid calcium hydroxide 2 C6H5COOH + Ca(OH)2 2 H2O +Ca(C6H5COO)2 ...
October 22, 2011 by Evani

.1 M HCl + .1 M NaCl .1 M HF + .1 M NaF .1 M HBr + .1 M NaBr Which of the above would be considered buffers?
April 22, 2008 by Confused

What are the different physical properties between HCl and NaCl? And explain the causes of their differences? THANKS
September 22, 2009 by Adam

What are the different physical properties between HCl and NaCl? And explain the causes of their differences?
September 22, 2009 by Adam

What are the different physical properties between HCl and NaCl? And explain the causes of their differences?
September 24, 2009 by Adam

What type of chemical reaction is this? Is it double displacement? Thank you! HCL + NaOH H20 + NaCl
December 6, 2011 by mickey

Performing a gravimetric analysis of Ca2+. 25 mL of unknown [Ca2+} added to 25 mL of 0.15 (NH4)2C2O4 and 75 mL of HCl. Urea also added. H2NCONH2 + 3H2O --heat→ CO2 + 2NH4 + 2OH CaC2O4*H2O --> Ca2+ + C2O42- [Ca2+]unknown=0.06028 M <--0.0015433 moles of Ca2+/0.025 L ...
March 25, 2013 by Anonymous

Sodium carbonate reacts with nitric acid according to the following equation: Na2CO3+2HNO3-->2NaNO3+CO2+H2O a. how many moles of Na2CO3 are required to produce 100.0 g of NaNO3? b. if 7.50g of Na2CO3 reacts, how many moles of CO2 are produced?
May 28, 2012 by Kay

Choose the member of each set that you would expect to be more soluble in water. Explain your answer. Chloroform, CH3Cl, or hydrogen chloride. My gut instinct was HCl, however I'm not sure why [or if] it's more soluble than CH3Cl. Of course HCl is more soluble in water than ...
March 20, 2007 by Tasha

Long question but its my last one for homework and im stuck on this word problem. Biomass is represented by the empirical formula C60H87O23N12P. Write a balance equation for the oxidation of C60H87O23N12P with O2 to form CO2, H2O, HNO3, and H3PO4 beginning with 1000g of ...
May 4, 2014 by Samantha

Mg + HCl ----> MgCl2 + H2 If the water in tube is evaporated , the other product , a white salt remains . Write the balanced chemical equation . Ans: Mg + HCl ----> MgCl2 + H2 + H2O I don't know how to balanced it . I'm confusing where O is in reactants to balanced. ...
February 27, 2013 by Maria

a compound was analyzed and found to contain C,H,N,O, and Cl. When o.150g sample of this compound was burned, it produced 0.138 g of CO2 and 0.0566 g of H2O. All of the Nitrogen in another sample of mass 0.200 g was converted to 0.0238 g of NH3. Finally, the chlorine in a 0....
November 13, 2011 by Arnol

a solution is made by dissolving 117 g of nacl in 585 g of h2o. what is its molarity
June 12, 2013 by hello

When 50.0mL of 1.20 M of HCl (aq)is combined with 50.0mL of 1.30 M of NaOH (aq) in a coffee-cup calorimeter, the temperature of the solution increases by 8.01 Degrees C. What is the change in enthalpy for this balanced reaction? HCl(aq) + NaOH(aq) --yields-- NaCl(aq) + H20(l) ...
November 14, 2012 by marcus

Consider the exothermic reaction CoCl42-(aq) + 6 H2O(l) Co(H2O)62+(aq) + 4 Cl -(aq). Will the equilibrium concentration of CoCl42- increase or decrease when the following changes occur? a) HCl is added. (b) Co(NO3)2 is added. both of those compounds are not even in the ...
April 19, 2011 by Robbin

carbon dioxide (CO2) is the gas mainly responsible for global warming (the greenhouse effect). the burning of fossil fuels is a major cause of the increased concentration of CO2 in the atmosphere. carbon dioxide is also the end product of metabolism. a general overall equation...
June 13, 2011 by Lauren

The average human requires 120.0 grams of glucose (C6H12O6) per day. How many grams of CO2 ( in the photosynthesis reaction) are required for this amount of glucose? The photosynthetic reaction is: 6 CO2 + 6 H2O = C6H12O6 + 6 O2
January 19, 2011 by Artie

I am having such a hard time approaching this problem. It would be great if you can help me. 1.0 mole of CH4 react with 1.0 mole of O2 in a sealed container. (a) When the reaction is complete, what is the container? (b) How many moles of water are produced? CH4 + 2O2 ---> ...
October 15, 2012 by Lana

I am having such a hard time approaching this problem. It would be great if you can help me. 1.0 mole of CH4 react with 1.0 mole of O2 in a sealed container. (a) When the reaction is complete, what is the container? (b) How many moles of water are produced? CH4 + 2O2 ---> ...
October 15, 2012 by Lana

AP Chemistry
Calculate the moles of CO2 formed when 4.2 mol of C3H8 react with 20.6 mol O2. Answer in units of mol. So, the balanced equation is C3H8 + 5 O2 ==> 3 CO2 + 4 H2O . I thought the answer would be 12.36 mol, but when I type it in it's wrong. Please help!
January 5, 2015 by Savanna

When CO2(g) (0.009242 mol/L) and 0.009242 mol/L of H2(g) in a 460.0 L reaction vessel at 619.0 C are allowed to come to equilibrium the mixture contains 1.327 mol of CO(g). What is the equilibrium concentration (mol/L) of H2(g)? CO2(g)+H2(g) = CO(g)+H2O(g)
October 4, 2013 by plzprovidetheanswer

C3H6O + 4 O2 3 CO2 + 3 H2O how many coefficients?
October 11, 2011 by Anonymous

Balance C3H6 + O2 > H2O + CO2
October 11, 2012 by Stacy

Physical Science Please Help!
Table salt, sodium chloride, has the formula NaCl. A weight of 58.44 grams of table salt contains 1.0 mole of NaCl molecules. How many moles of NaCl are contained in 29.22 grams of NaCl?
February 5, 2013 by Dawn

The pH of arterial blood is 7.42. When 10 mL of the blood is acidified, 5.91 mL of CO2 is produced. 1) what is the total concentration of CO2 in the blood [CO2]+[HCO3-]? The experimental value for the volume of one mole of CO2 is 22.26 L/mol. 2) What are the individual ...
October 11, 2009 by Andrew

calculate the total mass of carbon dioxide gas produced when you burn 1000ml of gasoline Density of heptane = 0.684g/ml density of octane =0.703g/ml a) Calculate the mass of carbon dioxide produced from combustion of heptane C7H16 + O2 ------- CO2 + H2O b)CALCULATE THE MASS OF...
December 2, 2014 by christie

Solid urea, (NH2)2CO, burns to give CO2,N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol. Balance the equation for combustion of urea, and calculate the heat generated per mole of H2O formed. (Enter in kJ.)
October 23, 2014 by Martin

Solid urea, (NH2)2CO, burns to give CO2,N2, and liquid H2O. Its heat of combustion is -632.2 kJ/mol. Balance the equation for combustion of urea, and calculate the heat generated per mole of H2O formed. (Enter in kJ.)
October 23, 2014 by Kales

Which of the following mixtures will result in the formation of a buffer solution when dissolved in 1.00 L of water? i) 0.50 mol NaOH and 0.50 mol HCl. ii) 0.50 mol NaCl and 0.25 mol HCl. iii) 0.50 mol NaF and 0.25 mol HF. iv) 0.50 mol NaOH and 0.25 mol HF. v) 0.25 mol NaOH ...
July 23, 2010 by B

Balance the equation and answer in terms of moles. Chlorine gas can be produced commercially by passing an electric current through a con-centrated solution of sodium chloride (brine). The unbalanced equation is NaCl(aq) + H2O(`) ! NaOH(aq) + Cl2(g) + H2(g) . If the brine ...
February 15, 2012 by jack

How can you tell that CO2 has a dipole moment while O2, N2, and HCL does not?
October 30, 2013 by Zoe

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