Tuesday
September 30, 2014

Search: 12. How many grams of CO are needed to react with an excess of Fe2O3 to produce 209.7 g Fe?

Number of results: 18,136

Chemistry URGENT
I need help balancing a equation for the combustion of cellulose in oxygen to produce carbon dioxide and water vapor. C6H10O5 = 6CO +5H2O I know this is not correct but I don't know what else to do to get this to balance. Thanking you in advance.
March 27, 2014 by linda

Health
In addition to causing hallucinations, some hallucinogens also produce ________. A. Rapid, intense emotional swings B. Promiscuity in women C. Animalistic behavior D. All of the above My guess is A.
August 18, 2014 by Scarlett

Social Studies
Which of the following reasons made Oglethorpe recruit the Highland Scots? A. their clan colors B. The were good soldiers and fighters C. The knew how to produce silk D. They brought stronger cattle with them Is it C?
September 22, 2014 by Amber

chemistry
how do i write a net ionic equation for Lead (II) Nitrate and Sodium Carbonate react to form Lead Carbonate and Sodium Nitrate??
December 11, 2007 by caren

Chemistry
How many moles of hydrogen gas are required to react completely with 807 L of ethylene (C2H4) according to the following reaction at 0oC and 1 atm? hydrogen (g) + ethylene (C2H4) (g)---> ethane (C2H6) (g) Should I use the ideal gas law here?
April 25, 2012 by Mohamed

Chemistry
Calculate the amount of energy released per gram of nuclei when 2 protium nuclei react to form deuterium nucleus (protium = 1.00782 amu, deuterium = 2.01410 amu). The answer in the book is -2.0 x 10^10 J, but I don't have any idea on how to do this. Please help, and thank you ...
March 15, 2014 by Nina

Mathis
Fiona is dissatisfied with her current weekly salary. If she received a raise of $0.50 per hour and worked an additional 4 hours each week her weekly salary would then be $500. What is Fiona current salary a) $380 b)$400 c)$420 d)440 e) not e ought information I put d can you ...
August 21, 2013 by Roger

physics
A hypodermic needle is 1.5 cm long and has an inner radius of 0.016cm. What excess pressure is required along the needle so that the flow rate of water though it is 0.0013 kg/s? Use = 1.0 x 10-3 Ns/m2 for water. the answet i have found is deltaP=758017 Pa using the formula...
December 2, 2009 by Arianne

AP Calculus AB
A river boat company offers a 4th of july trip to an organization with understanding that there will be at least 400 passengers. each ticket is $12, and company agrees to refund $.20 to every passenger for each 10 passengers in excess of 400. find the number of passengers that...
November 12, 2011 by Teresa

chemistry
The reaction between 0.0272 g of Mg with an excess of water was carried out in an ice calorimeter. The volume of water decreased by 0.19 mL during the reaction. a) Write the equation that occurs. Is it a redox? b) Calculate the enthalpy of reaction? i have no clue how to ...
November 15, 2009 by edward

chemistry
calculate the mass of sodium hydroxide needed to prepare 500 mL of a 0.10 M solution.
October 14, 2007 by Rebecca

physical science
How much force is needed to accelerate a 50-kg rider and her 250-kg motorcycle at 5 m/s2?
November 19, 2007 by david

health
What are some of the reasons dietary modifications may be needed in different life stages
February 4, 2008 by will

forces
what is the measure of the amount of force needed to move an object a certain distance?
February 24, 2008 by cn

ict
please could someone help i need to give 4 answers . what is needed to access the internet? thanks
September 15, 2008 by zoe

Science
What type of education is needed in order to become a Diagnostic Medical Sonographer?
September 20, 2008 by Mariz

Chemistry
What volume of 4.5 M Acetic Acid is needed to neutralize 567.4 g sodium carbonate? ?
September 25, 2008 by Kaitlin Webb

help needed
i am making a bookcover related to the history of measurement can you help me give the title please......thank you
October 23, 2008 by Anonymous

Chemistry
How many moles of each of the following are needed to provide 1.0 osmol? a)CaBr2 b)NaOH c)Al(NO3)3
November 5, 2008 by Monica

Algebra
How do you do the quadratic equation when there are only two numbers, such as -5x and 15, not the three needed?
November 19, 2008 by Eliza

science - help needed
What drives the motor in a roller coaster? Is it electromagnetic force or electricity?
February 14, 2009 by jess

math
7. How many hours of jogging at 5 mi/h would be needed for a 200-lb person to lose 5 pounds?
September 16, 2009 by Laci

Socials*
why was the Charles I, the king forced to recall Parlament? My answer is Because he needed money
September 25, 2009 by sara

biology
sorry but what is the sequece of cellular respiration what you gave me is right just not what i needed
December 2, 2009 by angelica

Algebra
|a+2 3z+1 5m|+|3a 2z 5m|=|10 -14 80| |4k 0 3 | |2k 5 6| |10 5 9| I needed to repost this. This is a matrice and I am trying to find the values of the variables in each equation.
December 17, 2009 by mike

chemistry
How many milliliters of 0.155 M HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 solution?
January 11, 2010 by jennifer

Science
wht's needed 4 nuclear fusion to start? Hydrogen nuclie fuse?
February 23, 2010 by Sara

Science
wht's needed 4 nuclear fusion to start? all the 8 protons of energy?
February 23, 2010 by Sara

Chemistry
How many moles of Cacl are needed to be dissolved in .500g of H2O to form a 1.5m solution?
March 24, 2010 by Ty

math
how much fencing is needed to close a circular garden whose radius is 4.5
April 15, 2010 by Aaliyah

Calculus
If f(x) = (e^(x))sin(x) what is the 1000th derivative? Step are needed and the general rule/pattern
April 17, 2010 by Fred

chemistry
find the mass of solute needed. 3.0 liters of 2.0 M NaOH. or 500ml of 1.5 M NaCl?
April 20, 2010 by joseph

math
to make 5 sets of curtains when eachset requires 2 1/3 yards how many of material are needed?
May 10, 2010 by michael

chemistry
How much concentrated 12 M hydrochloric acid is needed to prepare 100.0 mL of a 2.0 M solution?
May 11, 2010 by {RayRay} NEED HELP PLZ

chemistry
how much energy would be needed to warm 7.40 g of water by 55 degrees celcius
May 11, 2010 by lisa

4th grade
how many jets would be needed to carry the passengers on 264 buses
June 1, 2010 by dashawn

Chemistry
What volume of 0.123 M AgNO3(aq) is needed to form 0.657 g of AgCl(s)? 0.564 mL. 18.6 mL. 37.2 mL. 1.77 L.
June 12, 2010 by Kelly

college math213
place parentheses, if needed, to make each of the following equations true: a.5+6.3=33 b.8+7-3=12 c.6+8-2/2=13 d.9+6/3=5
July 27, 2010 by fiona

engineering of science
What mass of oxygen is needed for the complete combustion of 8.9010−3 of methane?
October 2, 2010 by Eric

Chemistry
How many milliliters of 0.135 M HCl are needed to completely neutralize 56.0 mL of 0.101 M Ba(OH)2 solution?
October 7, 2010 by Veronica

principles of chenistry
What mass of calcuim chloride is needed to prepare 3.650L of 1.75 M solution?
October 16, 2010 by 0karla

Chemistry
How many milliliters of 6.0 M HCl would be needed if 3.000 g of K2CO3 were used in an experiment?
October 17, 2010 by Amber

physics
spring has k=82 N/m use a graph to determine the work needed to stretch it from x= 3.8 cm to x=6.2 cm where x is the displacement
October 20, 2010 by brie

Physics Help!!!
With the energy needed to warm up some amount of water from 26C to 44C, how high could you lift it?
November 8, 2010 by Molly

physics
What force is needed to accelerate a child on a sled with the total mass of 43kg at 1.5m/s
November 30, 2010 by karen

chemestry
given 43 moles of KCl how much HNO3 is needed to complet the reaction
December 8, 2010 by juan

Cal 1
Find the most general antiderivative of the function. Use C for any needed constant. f(x) = x - 6
December 8, 2010 by Tweak

Physics
How much time is needed for 5.0 N force to increase the speed of a 0.248 kg object from 12 m/s to 56 m/s?
January 6, 2011 by Maya

math
To make 5 sets of curtains, when each set requires 2'1/3 yards, how many of material are needed ?
January 18, 2011 by kim

ap chemistry
What minimum volume of .2M Na2CO3 is needed to precipitate all the Sr 2+ from 25mL of .1M Sr(NO3)2
January 19, 2011 by syd

chem
what mass of KIO3 is needed to convert the copper in 0.2 g of CuSO4 5H20 to Cu(IO3)2
January 21, 2011 by midget

physical
what is the minimum length of the mirror needed to view the whole body at any distance?
February 3, 2011 by ivy

physics
Calculate the net force needed to give an acceleration of 0,5m/s to a trolley with a mass of 1,5 kg
February 8, 2011 by Ephrime

organic bio chemistry
how many mL of a 0.20M KOH solution is needed to neutralize 25 mL of 0.25 M H2SO4?
March 8, 2011 by lisa

maths-urgently needed
Construct a triangle PQR with base PQ = 8.4 cm , angel P = 45 degree and PR - QR = 2.8 cm ??
January 23, 2013 by Anonymous

chemistry
How many mL of 5.00% (w/v) solution are needed to make 100mL of physiologic saline (0.90%(w/v) sodium chloride)?
March 17, 2011 by bob

AP Chemistry
what is the procedure and materials needed to make a 0.10m solution of Potassium Hydroxide?
March 22, 2011 by meghan

AP Chemistry
what are the procedures and materials needed to make a 0.10m solution of Silver(I) Chloride?
March 22, 2011 by meghan

chemistry
what is the average volume of vinegar needed to exactly neutralise 10.0mL of NaOH (aq)?
August 31, 2011 by cleetus

Chemistry
Calculate the volume of 2 M acetic acid needed to prepare 50 ml of 0.1 M acetate buffer.
September 29, 2011 by Allie

Chemistry
How much energy (in kcal) is needed to convert 53.2 g of water at 55.0 C to steam at 100.0 C
October 4, 2011 by Martha

chemistry
how much heat is needed to convert 8.75g of 100c water to steam?
October 4, 2011 by Anonymous

chemistry
how many mL of 5% BaCl2 X(multiplied) 2H2O are needed for 0.3500g pure sodium sulfate?
October 13, 2011 by kim

Chimestry
How many moles of HNO(3) are present if 4.20*10^-2 mol of Ba(OH)(2) was needed to neutralize the acid solution?
December 3, 2011 by Carmen

psychology test help ASAP
list 7 things that are needed to be considered emotionally intelligent??
December 5, 2011 by gabby

CHEMISTRY
How much heat energy is needed to convert 125.0g of ice from -27.0C to a liquid at 50.0C?
December 16, 2011 by Cha-Ching

math
list the necessary steps needed to find the missing answer 2*(3+5)=____-7
January 18, 2012 by nicole

phyhsical science
how much time is needed for a car to accelerate from 6.5 m/s to a speed of 22 m/s if the acceleration is 3.0 m/s/s?
February 7, 2012 by brandon

Chemistry
How much 0.5 M HCl is needed to neutralize 5.5 kg of ammonia dissolved in 6 gal of water?
February 11, 2012 by Amanda

chemistry
what volume of butyric acid would be needed to make 25.0mL of a 1.0M solution?
February 15, 2012 by anonymous

CHEMISTRY
Find the amount of CuSO4.5H2O needed to prepare 500 mL of 0.25 M solution.
February 20, 2012 by Sarah

physics
What are the factors that affect the quantity of heat needed to raise the temperature of a substance?
February 24, 2012 by jaquie

Math
How many positions would be needed to represent 57^10,001 in ordinary decimal notation. Thanks!
March 10, 2012 by Sandy

chemistry
how much concentrated 12 M hydrochloric acid is needed to prepare 100 mL of a 2.0 M solution?
March 28, 2012 by dellanie

Chemistry
A 55.0-mg sample of Al(OH)3 is reacted with 0.200M HCl. How many milliters of the acid are needed to neutralize the Al(OH)3.
May 1, 2012 by Emily

Chemistry
How many milliliters of a .5M HNO3 (aq) is needed to completely neutralize 100mL of a 0.10M KOH (aq)?
May 30, 2012 by Kc

chemistry
How many moles of HNO3 are present if 0.236mol of Ba(OH)2 was needed to neutralize the acid solution?
August 6, 2012 by Anon

Math
Which choice gives the correct order of operations needed to find the value of 4(6+3)-24 A.+,x,- B.x,+,- C.-,x,+ D.+,-,x A?
September 12, 2012 by Derrick

chemistry
calculate the mass of sodium hydroxide needed to prepare 100 ml of a .10 m solution
October 7, 2012 by mike

chemistry
calculate the mass of sodium hydroxide needed to prepare 100 ml of a .10 m solution
October 7, 2012 by mike

chemistry
what is the molarity of a h2so4 solution if 18.5ml of naoh are needed to neutralize 25.0 mL of the sample?
October 16, 2012 by sandra

history
the number of persons needed at a meeting in order for business to place is called
November 8, 2012 by jr

physics
HOw much heait is needed to raise the temperature of 5 kg of water 5 degrees celsius
December 2, 2012 by Jaeda

Consumer Math
Compute the square footage of carpet needed to cover a room 12' 3" x 18' 4".
January 11, 2013 by Will

math
2 2/3 + 7 3/4= rename or simplify as needed, I need to show how I got this answer HELP PLEASE
February 3, 2013 by Jared

Physics
what is the average force needed to stop a car traveling 28m/s in 55m?
February 19, 2013 by Tory

Physics
what is the average force needed to stop a car traveling 28m/s in 55m?
February 19, 2013 by Tory

maths-urgently needed
show that: 2^5 cos^2a sin^4a = cos6a-2cos4a- cos2a + 2
February 21, 2013 by Anonymous

Math f(x)
given f(x)= x^2+x and g(x)=2x+1 determine f[g(x)] i dont even know where to start with this question help is much needed
February 22, 2013 by anna

Chemistry
How many moles of magnesium sulfate are needed to make in a solution of 0.10g Mg2SO4?
February 26, 2013 by Rena

Chemistry
How many joules of energy are needed to change 275 g of water from 15C to steam at 100.C?
April 3, 2013 by B

Chemistry
How many milliliters water are needed to make a 0.171 M solution that contains 1.00 g of NaCl?
April 11, 2013 by Rob

chemistry
how many milliliter of .750M sulfuric acid are needed to neutralize completely 20 g of NaOH?
April 22, 2013 by xavier

Chemistry
How much mL of 0.2 M NaOH are needed to titrate vinegar while doing a titration with Phenolphthalein?
April 27, 2013 by Shashi

Chemistry
How much mL of 0.2 M NaOH are needed to titrate vinegar while doing a titration with Phenolphthalein?
April 27, 2013 by Shashi

chemistry
how much of 0.1 M NaOH is needed to neutralize 5mL of 0.1 M of HCL to a ph 7(color on the ph scale)...Thank you
May 14, 2013 by mae

Chemistry
How many liters of nitric acid are needed to neutralize 25mL of 4.2M calcium hydroxide?
June 5, 2013 by Anonymous

Chemistry
How many milligram of lysozyme (MW=14,600 g/mol) are needed to make 3 liters of a 10^-6 M solution?
September 15, 2013 by Kris

pe
Describe how balance and/or coordination is needed for at least three things that you do every day.
November 18, 2013 by Anonymous

Math
Solve the equation for the unknown quantity x. Round to the nearest thousandth if needed. 2x=29
December 14, 2013 by Clare

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