Sunday

April 20, 2014

April 20, 2014

Number of results: 2,306

**chemistry**

I need help with this equation as soon a possible How many liters of NH are needed to react completely with 30.0 L of NO (at STP)?
*Friday, April 4, 2008 at 12:15pm by Cari*

**chemistry**

What volume of HCl gas is produced by the reaction of 2.4 liters of H2 gas with 1.5 liters of Cl2 gas? (Volumes are at the same T and P.) 1. 3.0 liters 2. 4.8 liters 3. 0.75 liters 4. 2.4 liters 5. 1.5 liters
*Monday, November 1, 2010 at 9:29pm by Bob*

**Chemistry**

You have a stock solution of 16.0 M {{NH}}3. How many milliliters of this solution should you dilute to make 1500 mL of 0.200 M {{NH}}3?
*Thursday, October 7, 2010 at 5:34pm by Veronica*

**math**

Cecilia created 2.5 liters of a chemical mixture for an experiment. Saline soltution accounted for 12.5% of the mixture. How many liters of saline solution were in the mixture? a.) 0.3125 liters b.) 2.1875 liters c.) 3.125 liters d.) 31.25 liters
*Monday, February 24, 2014 at 9:54pm by Please Help!!!*

**Chemistry**

I've been given the formula NH4Br, and I want to make sure I properly separated it into cations and anions. I got NH+1 and Br-1. The only thing is I don't get why NH in the formula is NH4. Where does the four come from?
*Sunday, May 31, 2009 at 2:41pm by Carolyn*

**math**

A motorcyclist used 3.21 liters of gasoline to travel from Greenfield to Milltown. The next day he traveled from Milltown to New Haven, using another 1.95 liters of gasoline. About how much gas did he use on the two trips? a:about 4 liters b:about 3 liters c:about 5 liters d:...
*Monday, December 3, 2012 at 5:13pm by Anonymous*

**Chemistry**

I am having trouble balancing this equation: Ca(OH){subscript 2} + (NH{subscript 4}){subscript 2} SO{subscript 4} -> CaSO{subscript 4} + NH{subscript 3} + H{subscript 2} O Please help, thanks.
*Monday, October 13, 2008 at 6:50pm by Anonymous*

**AP Chemistry**

Calculate the volume of a 36% solution of hydrochloric acid (density = 1.50g/mL, molar mass = 36 g/mol) required to prepare 9 liters of a 5 molar solution. A. 1 liter B. 2 liters C. 3 liters D. 4 liters E. 5 liters
*Thursday, September 15, 2011 at 2:36am by Stephanie*

**English3**

What is Hester carrying when she emerges from jail in Chapter 2? What explanation is given in Chapter 3? These sites have the text of these first two chapters of The Scarlet Letter. http://www.ibiblio.org/eldritch/nh/sl02.html http://www.ibiblio.org/eldritch/nh/sl03.html
*Wednesday, December 12, 2007 at 11:31am by Ms. Sue*

**math**

Nh, Qh Nh, Qt Nt, Qt Nt, Qh If there are four outcomes, the probability of any one outcome = 1/4 = .25.
*Monday, April 8, 2013 at 9:20pm by PsyDAG*

**Hydrogen bonding with polypeptides**

Apparently the correct answer is in fact d) howevere I don't even understand what d) is means. Amide: o=c-nh Aspartyl: CH2-COO- I understand that it may bind to the O- on aspartyl but why would hydrogen binding occur b/t the c-nh when carbon is already bonded to the nitrogen?
*Thursday, March 3, 2011 at 9:04pm by Lena*

**Math**

2.8million liters in a yr. is 7671.233 liters a day which is 319.63 per hr. which is 5.327 liters per min. which is .076 liters per beat! So , the answer is .076 liters per beat.
*Tuesday, January 25, 2011 at 9:47pm by Math Lover*

**CHEMISTRY**

I am having trouble balancing this equation: Ca(OH){subscript 2} + (NH{subscript 4}){subscript 2} SO{subscript 4} -> CaSO{subscript 4} + NH{subscript 3} + H{subscript 2} O Please help, thanks. Response Ca(OH)2 + (NH4)2SO4 --> CaSO4+ 2NH3 + ?___H2O I'm still confused...
*Monday, October 13, 2008 at 7:49pm by Anonymous*

**Math**

Miss Mary bought 2 liters of coke, 3 times as much Pepsi and 5 liters of sprite. How many liters of soda did she purchase?
*Tuesday, November 27, 2012 at 6:59pm by Nina*

**Chemistry**

Which buffer system is the best choice to create a buffer with \rm pH = 9.00? {\rm HF}/{\rm KF} {\rm{HNO}}_2 / {\rm{KNO}}_2 {\rm{NH}}_3 /{\rm{NH}}_4 {\rm{Cl}} {\rm HClO}/{\rm KClO}
*Monday, March 25, 2013 at 1:46am by Anonymous*

**Statistics **

A cola-dispensing machine is set to dispense a mean of 2.024 liters into a container labeled 2 liters. Actual quantities dispensed vary and the amounts are normally distributed with a standard deviation of 0.040 liters. What is the probability a container will have less than 2...
*Friday, April 11, 2014 at 7:11pm by Student5*

**chemistry**

Arrows can be made this way. --> When all of the reagents are gases, you may use liters as you would moles; therefore, 2 liters N2 will produce 4 liters of NO.
*Sunday, February 7, 2010 at 3:15pm by DrBob222*

**Chem-Gas Stoichiometry**

There is a long way and a short way. The long way uses conventional stoichiometry. The short way says that for an all gaseous reaction, we can omit changing everything to mols, making conversions, and changing back to liters. We can just operate in liters. Therefore, 1 liter ...
*Monday, May 5, 2008 at 6:21pm by DrBob222*

**Ciollege algebra**

Looks like B to me. A and C both have 42x, but we know x is 38% solution. Choice B says that the total acid in x liters + y liters is 39% of the resulting 100 Liters.
*Tuesday, September 27, 2011 at 2:06pm by Steve*

**11th grade**

if a container starts with 60 liters and the 1st hour it has half the liters and the 2nd hour it has 1/3, how long before there are 10 liters?
*Thursday, September 24, 2009 at 6:37pm by nady*

**Chemistry**

The combustion of 75.5 liters of 2- propane (c3h6)with 95.5 liters of oxygen gas is extremely exothermic. What is the maximum amount of water (in grams) to be made from this and how much of the non-limiting reactant is unused at the end (in liters)?
*Monday, March 14, 2011 at 8:51pm by Nicole*

**Chemistry**

Where are electrons transfered? Not in the first one. In the second, you are missing something critical.. NH3 + H2O >> NH4+1 + (OH)-1 now, notice charge flowed between the reactants. On gave up a hydrogen to the ammonia, and lost its electron (that is why it has a +1 ...
*Thursday, September 29, 2011 at 6:13pm by bobpursley*

**math**

Monday -- 4 liters Tuesday -- 0.4 liters 4.0 - 0.4 = 3.6 liters
*Wednesday, September 5, 2012 at 10:44pm by Ms. Sue*

**Chemistry**

yes, rate is L/time or mols/time as so many liters/second or liters/min or liters/hr etc.
*Sunday, September 29, 2013 at 10:27am by DrBob222*

**Physics**

Can someone help me with this conversion question? Suppose you are told that 15 quarts (qt) = 14.2 liters (L). What is the conversion factor you would use to convert from quarts to liters? What is the conversion factor you would you use to convert liters to quarts? 1) quarts ...
*Sunday, September 2, 2012 at 10:47am by Kevin*

**Math**

The equation is balanced. 1 liter of N2/ 3 liters of H2 5 liters of N2/ x liters of H2 Set the two fraction equal and cross multiply to solve for x.
*Tuesday, March 12, 2013 at 6:17pm by Dr. Jane*

**Physics**

In each case, you can just multiply the units together to get the "units" of the answer. You can also rewrite kg m/s^2 as Newtons or kg (m/s)^2 as Joules 1. Is the "l" supposed to be liters? or the number 1? If liters, then the combination is Newton-liters, or 10^-3 Joule*m^2 ...
*Sunday, September 7, 2008 at 5:26pm by drwls*

**Science**

In the following reaction, how many liters of oxygen will react with 270 liters of ethene (C2H4) at STP? C2H4(g) + 3O2(g) ---> 2CO2(g) + 2H2O(g) The volume of one mole of gas at STP is 22.4 liters.
*Wednesday, February 27, 2013 at 9:39pm by Russell*

**Chemistry**

How many liters of excess reactant would be left when 3.00 liters of nitrogen monoxide is mixed with 2.00 liters of oxygen and allowed to react at 695 torr and 27 degrees Celsius to produce nitrogen dioxide
*Tuesday, July 26, 2011 at 9:08pm by Andy*

**maths**

Concentrate on the amount of alcohol. No matter how much water is sloshed around in various concentrations, the amount of alcohol is what you want to keep track of. You have n liters of 6.5% beer, and thus 600-n liters of 8% beer Alcohol in n liters of 6.5% = .065n Alcohol in ...
*Tuesday, November 22, 2011 at 9:03pm by Steve*

**Chemistry**

The units of b are liters/mole. So the actual molecules in a liter of Argon occupy b/4 or 0.008 liters. At STP, the (mostly empty) space occupied by gas is 22.4 liters. For the fraction, take the ratio. Then do the same thing for the 100 atm case. The volume occupied (...
*Sunday, January 9, 2011 at 10:58am by drwls*

**algebra**

one canned juice drink is 15% orange juice; another is 5% orange juice. how many liters of each should be mixed together in order to get 10 liters that is 10% juice? how many liters of 15%? how many liters of 5%?
*Sunday, March 28, 2010 at 5:29pm by ron*

**calculus**

Question 1 The figure below shows the rate of change of the quantity of water in a water tower, in liters per day, during the month of April. If the tower had liters of water in it on April 1, estimate the quantity of water in the tower on April . Round your answer to the ...
*Thursday, November 10, 2011 at 11:22pm by megan*

**Math**

Why don't you use the conversions I told you: 1 liters = 1000 milliliters so 4,200 milliliters = 4.2 liters (0.2 liters = 200 mL)
*Thursday, March 4, 2010 at 7:02pm by Casey*

**math**

mass = 1.80g / 1000g/kg = 0.00180kg. Liters = 2.5*10^3kg / 0.00180kg/liter = 1388.9*10^3 Liters = 1.389*10^6 Liters.
*Sunday, July 3, 2011 at 2:39pm by Henry*

**English/literature**

Dates to 1800, a timeline from Nathaniel HawthorneBecause the timeline grew so large, we've split it into three parts: .... Boston: The Scarlet Letter (fiction) starts as Hester Prynne stands on scaffold ... http://www.eldritchpress.org/nh/nhc.html You can google timeline ...
*Wednesday, September 19, 2007 at 9:33pm by Writeacher*

**Math help please**

A lab assistant wants to make five liters acid solution. If solutions of 40% and 18% are in stock, how many liters of each must be mixedto prepare the solution Amount in liters: 40%: 18%:
*Thursday, March 29, 2012 at 12:08am by Janine*

**12th grade**

Technically, only one tiny speck of H2 (one molecule) is need for a reaction. I think what you meant is for a complete reaction to use the 7 g N2. N2 + 3H2 ==> 2NH3 You can use Avogadro's Law and use volumes (liters) directly. 7 liters N2 x (3 liters H2/1 liter N2) = ?? ...
*Monday, June 14, 2010 at 11:21am by DrBob222*

**Chem SCC**

(NH2)2CO3 + Cu(NO3)2 -> CuCO3 + 2NH4NO3 Getting rid of the spectator NH4 and NO3 ions, we are left with Cu2+(aq) + CO32-(aq) -> CuCO3(s)
*Sunday, July 15, 2012 at 2:19pm by Steve*

**Math**

A chemistry teacher needs 2.5 liters of a sulfuric acid solution that is 20% sulfuric acid and 80% water . He has 2 liters of a 15% sulfuric acid solutionleft over from earlier laboratory exercises. He also has 44 liters of a 50% solution. Let x represent the number of liters ...
*Tuesday, May 31, 2011 at 11:48pm by Paul*

**math,(fraction)**

9 Liters / 6Jugs = 1 3/6 = 1 1/2 Liters/Jug. 1 1/2 - 2/5 = 3/2 - 2/5 = 15/10 - 4/10 = 11/10 = 1 1/10 Liters. 11/10 + 4/5 = 11/10 + 8/10 = 19/10 = 1 9/10 Liters left.
*Tuesday, December 27, 2011 at 11:47pm by Henry*

**Statistics**

A machine is used to fill soda bottles in a factory. The bottles are labeled as containing 2.0 liters, but extra room at the top of the bottle allows for a maximum of 2.25 liters of soda before the bottle overflows. The standard deviation of the amount of soda put into the ...
*Tuesday, March 27, 2012 at 10:40pm by Kayla*

**Chemistry**

(NH2)2CO3 + Cu(NO3)2 -> CuCO3 + 2NH4NO3 Getting rid of the spectator NH4 and NO3 ions, we are left with Cu2+(aq) + CO32-(aq) -> CuCO3(s)
*Monday, August 20, 2012 at 5:30am by Steve*

**math **

To make the punch, the staff adds 250 milliliters of fruit juice for every 5 liters of punch. How many liters of fruit juice would be added to 20 liters of punch? Please answer and explain.
*Tuesday, May 21, 2013 at 7:31pm by Anonymous*

**Chemistry**

1. Divide 10.1g MgBr2 by the fomrula mass of MgBr2 to get the moles 2. Substitute the value for moles and molarity into: moles = molarity x liters Solve for liters and then convert the liters to milliliters.
*Wednesday, October 3, 2012 at 10:10pm by GeorgeK*

**math**

the volume of a small balloon is 2 liters and a larger balloon is 5 liters. the small balloon is increased at a rate of 0.3 per sec. larger balloon is decreased at a rate of 0.12 liters per sec. after how many seconds will the two balloon have the same liters.
*Wednesday, February 13, 2013 at 7:07pm by kitty*

**Math**

x liters of 18% acid has .18x liters of acid y liters of 36% acid has .36y liters of acid 24 liters of 30% acid has .24*30 liters of acid x+y = 24 .18x + .36(24-x) = .30*24 .18x + 8.64 - .36x = 7.2 .18x = 1.44 x = 8 so, 8L of 18% + 16L of 36% = 24L of 30%
*Thursday, March 1, 2012 at 12:11pm by Steve*

**Algebra**

Word problem: Radiator in a certain make needs to contain 50 liters of 40% antifreeze. The radiator now contains 50 liters of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?
*Wednesday, August 5, 2009 at 3:27pm by coried*

**chimie**

CH3CH2-NH(OH)
*Wednesday, December 28, 2011 at 1:59pm by DrBob222*

**algebra**

I answered your post below with this same question. Please check to see if your post was answered before re-posting. I pasted the answer here for you. x = liters of 3% solution 3 - x = liters of 10% solution .03x = value 3% solution .10(3 - x) = value 10% solution 3 = liters ...
*Sunday, January 23, 2011 at 11:23pm by helper*

**Algebra**

You want to double the concentration? If you remove X liters, you remove .2X antifreeze, and .8X water. You have left in the radiator after draining X, 10-.2X liters of pure antifreeze. You need a total of 20 liters to get 40percent antifreeze. So you add 10+.2X of antifreeze...
*Wednesday, August 5, 2009 at 3:27pm by bobpursley*

**math**

100 ml = 0.1 liters. 16 g/liter * 0.1 liters = 1.6 grams.
*Monday, December 13, 2010 at 12:09pm by Henry*

**chemistry redox titration**

molarity times liters? but where would i get liters from?
*Sunday, April 8, 2012 at 9:33pm by carla*

**math**

4 deciliters = 0.4 liters. 4 liters = 40 so what day did he drink more?
*Wednesday, September 5, 2012 at 10:44pm by Dawn*

**stoichiometry**

How many liters of H2 are required to react completely with 5.7 liters of O2?
*Monday, February 4, 2013 at 8:23pm by shannon*

**CHM**

How many liters in volume are occupied by 250 liters of bromine at STP?
*Sunday, March 17, 2013 at 11:13pm by Anonymous*

**Chemistry**

I did that. doesnt it have to be liters of the total solution? so how do we factor in the asprin into the liters?
*Tuesday, January 22, 2013 at 5:38pm by Hannah*

**math**

How many liters are contained in a cube with each edge 1m? HOW do you do this? How do I know how many liters fits into a meter?
*Wednesday, December 16, 2009 at 9:33pm by Lauren*

**math**

A gallon of gasoline is more than _______ liters but a little less than ______ liters.
*Thursday, January 6, 2011 at 11:07pm by Elisabeth*

**Chemistry**

The problem here is "liters" of Fe2O3? and Liters of FeS? These are not gases, and something is wrong....
*Friday, July 22, 2011 at 4:01pm by bobpursley*

**math**

1 can OJ is 15% 1 can is 10% how many liters of each should be mixed together to get 5 liters at 13%
*Monday, March 4, 2013 at 10:47pm by Rick*

**college**

The radiator in a certain make of car needs to contain 20 liters of 40% antifreeze. The radiator now contains 20 liters of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?
*Sunday, October 4, 2009 at 8:09pm by Kristina*

**chemistry**

how many liters of oxygen are required to react completely with 3.6 liters of hydrogen to form water? how do i do this problem... thanks:)
*Sunday, June 8, 2008 at 10:44am by Miley*

**chemistry**

how many liters of oxygen are required to react completely with 12.5 liters of hydrogen sulfide at stp?
*Tuesday, May 8, 2012 at 11:40pm by Brigitte*

**maths**

Try and convert mega liters to liters by multiplying it by a million and then make an equation or a proportion
*Sunday, April 14, 2013 at 12:48am by Shaniqua*

**science**

how many liters of oxygen will react with 124.5 liters of propane
*Friday, September 16, 2011 at 1:10pm by david*

**Chemistry**

Arginine O 2.01 H2N---CH--C----OH 9.02 CH2 CH2 CH2 NH 12.48 C==NH NH2 ________________________________________ 9.78 O 2.35 H2N----CH---C----OH CH3 Glycine ________________________________________ Shown above are images of two amino acids, along with the pKas of each of their ...
*Friday, January 11, 2013 at 2:35am by Chemgam*

**chemistry**

can you convert the grams to liters of water using the conversion factor of 22.4 liters in one mole?
*Tuesday, April 30, 2013 at 7:17pm by lauren*

**chemistry**

Calculate the resulting pressure if 4.50 liters of nitrogen at 35 degrees Celsius and 790 torr and 3.7 liters of oxygen at 15 degrees Celsius and 750 torr are pumped into a 1.00 liters container at 25 degrees celsius. Assume ideal gas behavior.
*Monday, March 24, 2014 at 4:27pm by carolann*

**math**

Use the conversion factor, 0.9463529 liters per quart. Multiply it by 25 qt for the volume in liters
*Thursday, November 12, 2009 at 1:26am by drwls*

**chemistry**

How many liters of oxygen are necessary to burn 30.4 liters of ethyl alcohol (C2H5OH)? (Assume complete combustion)
*Saturday, March 3, 2012 at 9:57am by Anonymous*

**Chemistry**

If I add 0.348 liters of 5.25% bleach(Sodium Hypochlorite) into 4 liters of water, what is my new concentration?
*Monday, June 18, 2012 at 4:01pm by Brian*

**Chemistry**

If I add 0.348 liters of 5.25% bleach(Sodium Hypochlorite) into 4 liters of water, what is my concentration in ppm ?
*Monday, June 18, 2012 at 4:03pm by Brian*

**Chemistry **

0.255 moles * 22.4 liters/mole * (1/1.75)*(283/273) = 3.38 liters You could also use V= nRT/p I find it easier to remember that 1 mole occupies 22.4 liters at STP (1 atm and 273 K) , and then use scale factors for other temperatures and pressures, as I have done above.
*Wednesday, May 25, 2011 at 4:06am by drwls*

**Chemistry**

L = volume in liters. moles = molarity x liters
*Wednesday, October 5, 2011 at 9:33pm by DrBob222*

**science**

82 liters plus 3.876 liters is what?
*Thursday, October 11, 2012 at 6:12pm by bryan*

**Math,fraction word problem**

Having poured 3/2 liters of syrup into each jug, she then drank 2/5 liters. The jug then held 1.5-0.4 = 1.1 liters of syrup. After she poured from the jug, the amount of syrup in the jug wouldn't change, no matter how much water was added.
*Thursday, November 3, 2011 at 5:14am by Steve*

**agriculture**

[CO(NH)4Cl2]coordination number
*Thursday, October 6, 2011 at 11:10am by musa*

**Geometry**

The average human heart pumps about 60 milliliters of blood for each beat. a. About how many liters of blood does your heart pump each day? b. Do you think a reasonable degree of precision for this question would be to report the answer to the nearest 100 liters, 10 liters, 1 ...
*Tuesday, December 3, 2013 at 12:44pm by Missy*

**CHEMISRTY**

How many liters of H2O will form when excess O2 reacts with 100 liters of H2 according to the gas phase reaction:
*Friday, May 3, 2013 at 6:28pm by KRISTY*

**chemistry**

Given the balanced equation: C2H4 + 3O2 2CO2 + 2H2O How many liters of CO2 are produced when 15 liters of O2 are consumed?
*Tuesday, July 13, 2010 at 7:43am by Dillon*

**physics**

Suppose that it takes exactly 15.0 hours to drain a container of 6.10 liters of water. What is the flow rate in liters/second?
*Tuesday, June 14, 2011 at 10:34pm by lisa*

**chemistry**

A piston has an external energy of 8.00atm. How much work has been done if the cylinder goes from volume of 0.140 liters to 0.450 liters.
*Sunday, September 30, 2012 at 3:45pm by Anonymous*

**chemisrty**

how many liters of oxygen can be produced at stp from the decomp. of .25 liters of 3M H2O2 ACCORDING TO THE REACTION 2H2O-2 H2O+O2
*Saturday, November 24, 2012 at 6:59pm by chris*

**chemistry**

Molarity= molessolute/liters molessolute= molarity*liters gramssolute/MW=molarity*liters gramssolute= MolWeight*Molarity*liters
*Saturday, September 15, 2007 at 4:17pm by bobpursley*

**chemistry**

Determine how many liters of nitrogen will be required to produce 87.0 liters of ammonia. The balanced equation for this reaction is: 3H2(g) + N2(g) ==> 2NH3(g).
*Wednesday, January 5, 2011 at 9:37pm by Lisa*

**chemistry**

What is the formula for the ionic compound NH 3 plus and s 2 minus?
*Monday, December 15, 2008 at 10:09pm by Breiana*

**Chemistry**

What is the molar volume of the gas ammonia (NH) at STP?
*Thursday, January 31, 2013 at 9:24pm by Help!!*

**Biochemistry**

B - Make both Nitrogens charged (+) so they'll be +HN and NH+
*Sunday, March 31, 2013 at 1:24am by bella*

**Chemistry**

Two more need help figuring out how to do: How many liters of water vapor can be produced when 8.23 liters of oxygen gas reacts with hydrogen gas (H2g + 02g = H20g. How many liters of water vapor can be produced if 108 grams of methane gas are conbusted at 312K and 98 atm. CH4...
*Saturday, July 23, 2011 at 11:38pm by Anonymous*

**Chemistry**

Calculate the volume occupied by 200g of steam at 200 C and 0.5 atm. is my answer correct: PV = nRT V = nRT/P V = gRT/mm P V = (200g H2O)(0.0821 liters atm/1mole K)(473 K)/ (18g H2O/1mole )(0.5 liters atm) = 863 liters
*Friday, May 24, 2013 at 2:17pm by Timofey*

**algebra**

A store sells a 1-liter container of juice for 75 and a 2-liter container for $1.40. Assume that the cost varies linearly with the number of liters, and find the slope of the line that shows the relationship. How many liters would be in a container that cost $3.35? I know ...
*Sunday, February 21, 2010 at 5:56pm by sanda*

**math**

Ordinary large bottles of soft drinks are 2 liters. Your question doesn't make any sense because 75 liters would more than fill a standard washing machine.
*Thursday, February 18, 2010 at 9:41pm by Ms. Sue*

**chemistry**

How many liters of water vapor can be produced if 8.9 liters of methane has (CH4) are combusted, if all measurements are taken at the same temperature and pressure? Please answer & explain
*Monday, March 26, 2012 at 10:52am by Anonymous*

**Math**

The radiator of a car contains 20 liters of water. Five liters are drained off and replaced by antifreeze. Then 5 liters of the mixture are drained off and replaced by antifreeze, and so on. This process is continued until six drain-offs and replacements have been made. How ...
*Saturday, January 11, 2014 at 2:20pm by Gregg*

**Math**

A tank initially contains 50 liters of water. A hose adds water to the tank at a rate of 2 liters per minute. Write a linear equation for the amount of water in the tank, W, liters in terms of t, minutes. Then use your equation to find how much water is in the tank after 20 ...
*Thursday, November 15, 2012 at 6:01pm by Brigette*

**chemistry help plz**

Isn't this a secondary amine? If my drawing is right, yes. ring-NH(CH3)
*Sunday, January 20, 2013 at 6:07pm by DrBob222*

**chemistry**

A piston has an external pressure of 9.00 atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.500 liters? can someone explain to me how am i supposed to do this please? Thanks :D
*Friday, November 25, 2011 at 12:03am by Yuli*

**chemistry**

In the following reaction, how many liters of oxygen produce 560 liters of carbon dioxide in the oxidation of methane, given that both gases are at STP? CH4 + 2O2dCO2 + 2H2O
*Thursday, May 24, 2012 at 2:18pm by Anonymous*

**chemistry**

In the following reaction, how many liters of oxygen produce 560 liters of carbon dioxide in the oxidation of methane, given that both gases are at STP? CH4 + 2O2 CO2 + 2H2O
*Tuesday, March 18, 2014 at 4:07pm by alex*

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