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April 1, 2015

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Number of results: 19,580

physics
calculate the speed of an 7.3*10^4kg airliner with a kinetic energy of 1.4*10^9J. answer in units of m/s.
March 7, 2011 by haha

math
Calculate the volume of the cone with a = 18 and b = 11. Round answer to the nearest tenth. Use 3.14 for pi
March 28, 2011 by BreAnna

Chemistry
Calculate the number of moles in these quantities. 1. 25.0 g KNO3 2. 5.4 x 102 g (NH4)2C2O4
March 20, 2011 by Netta

science
Calculate the energy required to raise the temperature of 150.0 g Ag from 273 K to 291 K.
March 24, 2011 by AS

trig
ABC is an isoscele triangle in which [AB]=[AC]=5cm and [BC]=6cm. Calculate [AM], where M is the mid-point of BC.
March 26, 2011 by ezendu

chemistry
calculate the mass of CO2 obtained when HCL reacts with 15g CACO3.
April 1, 2011 by Shiy

Chemistry
Calculate [OH-] and pH for the following strong base solution: 10.0 mL of 0.0105 M Ca(OH)2 diluted to 500.0 mL
April 18, 2011 by Kendall

chemisty
calculate the molarity of a solution with .2 moles of sodim hydroxide dissolved in .5L of water
April 27, 2011 by Anonymous

science
calculate the density of a solid which weighs 15N in air and 12N in water
May 6, 2011 by force

Chemistry
how do you calculate the pOH of a 0.25M solution of monochloroacetic acetic acid at 25C
May 11, 2011 by Illyana

chem
You have a series of four chemical reactions (1 2 3 4). How do you calculate the H2 if you know the other H values?
May 17, 2011 by Pat

chemistry
calculate the change in temperature if 16.9kJ of heat was removed from 500.0g of water
May 24, 2011 by Anonymous

MATH
WRITE A SIMPLE BUT A COMPLETE FORTRAN PROGRAM TO CALCULATE THE AREA OF A TRIANGLE
June 15, 2011 by EDWIN

grenoble
using the hasselbach-Handerson equation calculate the fraction of asprin Pka is 5.6 and PH is 8.6?
June 20, 2011 by jaji

chemistry
Calculate the number of moles of FeSO4 in 25cm3 of a 0.2mol dm3 solution
June 21, 2011 by Richard

physics
Calculate the quantity of heat required to raise the temperature of 2.00 g of water 4.00◦C.
July 5, 2011 by angel

physics
A tuning fork produces a wave at 280 Hz and with a wavelength of 1.5 m. Calculate its velocity.
July 8, 2011 by wendell

Chemistry
Is it possible to calculate heat of vaporization if i only have pressure and temperature.
July 20, 2011 by San

Chemistry
calculate the pH and the pOH of an aqueous solution that is 0.035 M In HCI and 0.080 M in HBr?
July 23, 2011 by Josh

biology
how to calculate the class average of millilitres of CO2 exhaled per minute?
July 29, 2011 by lola

chemistry
calculate the amount of 95% marble required to obtain 11.2Litres OF CARBON DIOXIDE
September 10, 2011 by sum

geometry
calculate the volume of the rectangular prism height= 17 3/4 width= 16 1/4 depth= 21 1/2 V=lxwxh
September 21, 2011 by hishka

geometry
calculate the volume of the rectangular prism height= 17 3/4 width= 16 1/4 depth= 21 1/2 V=lxwxh
September 21, 2011 by hishka

physics
If a car moves at 36km/h accelerate uniformly at 4m/s calculate it velocity in 2 seconds.
September 22, 2011 by Displacement

Prcts chemistry
Calculate the pH of 0.0115M acetic acid solution at 25 degrees celcius with Ka = 1.75*10^-5
September 22, 2011 by Gift

chemistry
Calculate the grams of substance required to prepare 250mL of 5%(wt/vol) NaNO3
September 22, 2011 by desperate for help

physics
a plane stops from 250 mph in 25 seconds. Calculate the planes acceleration
September 24, 2011 by cj

Chemistry
Calculate the empirical formula for the compound 1.245g Ni, 5.381g I Can you help with the steps please
September 25, 2011 by Monique

Chemistry
how to you calculate the partition coefficient of benzoic acid .13 grams in a 1.6 mL CH2Cl2 and 1.6 mL water?
September 26, 2011 by Paige

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 HELP
Calculate the number of molecules in 3.11 mol of CCL4 I got 2.88E26 am I correct
September 29, 2011 by Monique

chemistry
Calculate %tage by mass of all component element NaNo3 given,(Na=23,N=14,o=16)
October 6, 2011 by Elijah

Chem
Calculate the amount (in moles) of Cu+ ions in 3.00g of CuBr₂. Thank you so much for the help!!
October 8, 2011 by Erica

math
calculate 2/3 1/2. In your own words, describe how the quotient of two fractions can be calculated.
October 9, 2011 by Kate

chem
calculate the molality of a solution of 2.34g acetic acid, HC2H3O2, in 35.0 g water
October 11, 2011 by michael

Chemistry
Calculate the sodium ion concentration when 50.0 mL of 2.0 M Na2CO3 is added to 100.0 mL of 3.0 M NaHCO3
October 25, 2011 by Andres

Science
Calculate the pressure exerted on your finger if you hold up a 15-pound box of apples.
October 27, 2011 by Steve

Science
Calculate the pressure exerted on your finger if you hold up a 15-pound box of apples.
October 28, 2011 by Steve

Chemistry
Calculate the wavelength of a photon of yellow light whose frequency is 6.3*10^5m. (meters)
October 31, 2011 by Mike

Chemistry
Calculate the frequency of a photon of orange light whose wavelength is 6.2*10^5m. (meters)
October 31, 2011 by rob

chem
Im not sure how to go about this: Calculate the number of gramms in 0.65 mole of aluminum carbonate?
November 4, 2011 by gaviota

chem
Im not sure how to go about this: Calculate the number of gramms in 0.65 mole of aluminum carbonate?
November 4, 2011 by tina

Maths
Calculate speed give your answers in km/p hour Distance = 18 KM Time = 12 minutes S - T
November 6, 2011 by Tom

chemistry
Calculate the mass of carbon dioxide produced by burning 0.60kg of methane
November 7, 2011 by Luc

Chemistry
Calculate the solubility of AgCl in the following solution: 100mL of .004 M CaCl2
November 7, 2011 by Kevin

Math
How do you calculate interest earned using the initial money and ending savings?
November 22, 2011 by Anonymous

AP Chemistry
The solubility of solid Ce(IO3)3 in a 0.20 M KIO3 solution is 4.4 10-8 mol/L. Calculate Ksp.
December 4, 2011 by Bill

chemistry II
how do I calculate how many moles of solute particles are in one mole of naphthalene, C10H8?
December 7, 2011 by rebecca

physics
how do we calculate the height of a falling ball with a mass of 0.5kg and a velocity of 10m/s.
December 9, 2011 by sim

chemistry
calculate the energy required to heat 1.00L of ice at -50.0C to steam at 180.0C
January 17, 2012 by Jessica

statistics
for the following data, calculate the sampling distribution parameters. u=120, o= unknown, s= 18, n=36
January 18, 2012 by jim

chemistry
Calculate the number of moles of each ion in 10.5 mL of 0.205 M cadmium phosphate solution.
January 22, 2012 by student

chemistry
Calculate the number of moles of each ion in 10.5 mL of 0.205 M cadmium phosphate solution.
January 22, 2012 by diana

physics
Calculate the total force of the atmosphere acting on the top of a table that measures 1.9 m by 2.3 m.
January 23, 2012 by B

arithmetic
To calculate a 15% tip on a $24 bill a customer adds $2.40 and half of $2.40, or $1.20, to get $3.60. Is this method valid? Why or why not?
April 6, 2012 by Heather

math
how do you calculate the unite price of the two items showing long division
February 13, 2012 by kyle

math
how do you calculate the unite price of the two items showing long division
February 13, 2012 by kyle

chemistry
Calculate the grams of K2CO3 required to prepare 546.0 mL of a 0.789 g/L K+ solution.
February 15, 2012 by donald

chemistry
calculate the theoretical weight of sodium borohydride need to reduce 50 mg of benzil
February 16, 2012 by vanessa

Chemistry
How do you calculate the mass in kilograms of 3.99 liters of acetic acid. The density of this substance is 1.05 g/mL.
February 18, 2012 by Tina

chemistry
calculate the mass in kilograms of 3.99 liters of acetic acid. the density if 1.05g/ml.
February 20, 2012 by Anonymous

math 150
How do I calculate the expected value of a ten spot keno game?
February 21, 2012 by patty

chemistry
Calculate the concentration in ppm if 8 grams of CaCl2 is dissolved in 250 ml of water.
February 22, 2012 by Emmee

Geometry
Calculate surface area and the volume of a box that is 3m by 2m by 7.5m Show me how to get the answer please.
February 28, 2012 by Thomas

Chemistry
Calculate the equivalent mass of each of the following acids. a) HC2H3O2 b) KHCO3 c) H2SO3
March 8, 2012 by DAN

AP CHEMISTRY
Calculate the equivalent mass of each of the following acids. a) HC2H3O2 b) KHCO3 c) H2SO3
March 8, 2012 by HELP PLEASE

Chemistry
3.54*10^7 g of TiCl4(g) are reacted completely. If 7.91*10^6 g of Ti(s) is actually obtained, calculate the percent yield.
March 11, 2012 by Nikki

chem
calculate the mass in grams of oxygen atoms in 0.25 mol fluoroacetic acid
March 28, 2012 by lisa

chemistry
please help calculate the volume of a cylinder that is 4.476 mm in height and 17.00mm in diameter
April 4, 2012 by linda

Chemistry
Calculate the molality of a solution prepared by dissolving 31.6 g of Fe2O3 in 750. g of water
April 8, 2012 by Tina

geography
calculate the freeboard of a 10-m thick iceberg in saltwater (seawater density of 1025 kg/ m^3)
April 9, 2012 by Jackson

Chemistry
16. You have a series of four chemical reactions (1--> 2 --> 3 --> 4). How do you calculate the H2 if you know the other H values? H2 = (H1)(H3)/(H4) H2 = H4 (H1 + H3) H2 = H1 + H3 + H4 H2 = H1 + H3 H4
April 10, 2012 by JoJo

Physics
Calculate the magnitude of the force between two 3.95 C point charges 7.4 cm apart
April 24, 2012 by TotallyLost

Chemistry
Calculate the volume of NaOH 0.5 mol/L necessary to neutralize 300 mL of HCl 0.2 M.
May 11, 2012 by Katie

Chemistry
Calculate the KA of formic acid if 2.3 g of it is dissolved in 1 litre of water to give [H+] of 0.003 M.
May 13, 2012 by Andrea

Chemistry
Calculate the grams of solute required to make 2500mL of 90% saline solution?
May 17, 2012 by Morgan

gen chemistry
calculate the percent m/v concentration of a 5L solution containing 500g NaCl
May 18, 2012 by ashia3

Chemestry
I got NaOH, 7%, and its density is 1,08g/mol. Calculate the molar concentration.
May 23, 2012 by Martins

CHEM
4.69 of S is reaction with oxygen calculate the volume of SO2 in mL formed at 33 degrees C and 1.14 atm
June 5, 2012 by aPRIL

Chemistry
For the following fusion reaction, calculate the change in energy per mole. 2/1 H + 3/2 He -> 4/2 He + 1/1 H
June 13, 2012 by Anonymous

Chemistry
For the following fusion reaction, calculate the change in energy per mole. 2/1 H + 3/2 He -> 4/2 He + 1/1 H
June 13, 2012 by Anonymous

chemistry
calculate the volume occupied by 10^22moleculesof a gas 300k and 760mm pressure
June 27, 2012 by asin

Algebra & Trig
calculate the velocity of 10 meters per second with an angle of 30 degrees
July 4, 2012 by Hanna

trigonometry
Calculate the perimeter of the inscribed square given that the radius of the circle is 3 feet.
July 6, 2012 by kimmy

chemistry
Please...how do you calculate the reduction potential for 1 M CuSO4? I've been trying for hours......!!
July 20, 2012 by fenerbahce

chemistry
the density of alcohol is 0.789 g/ ml at 20 degree celcius . calculate the mass of a 30 ml sample?
August 28, 2012 by CHEM HELP

Chemistry
Given 1.7 g of hydrobromic acid (48%) calculate the number of mL. (MW HBr: 80.91 g/mol, density: 1.49 g/mL)
September 3, 2012 by M

College Biology
Calculate the concentration in Moles for a 5mgMgCl2 sample in 2L of solution. Then how many ions are in it?
September 9, 2012 by cutiepie

Chemistry
Calculate the number of grams necessary of C6H12O6 to make 1.00 ml of 0.025 M glucose.
September 14, 2012 by Anonymous

Statistic for healthcare professional
calculate the sampling distribution parameters U=120,O=unknown,s+8,n=25
September 15, 2012 by CArline

physics
calculate the impulse to stop a 1500kg car moving 90kmper hours
September 24, 2012 by master

science
An object has a mass of 10 grams and a volume of 5cm3 calculate the objects density
September 24, 2012 by santriese

Maths
Calculate the density of earth given that its mass is 5.98x10^24 kg and volume is 8.78x10^8 m/s
September 25, 2012 by Beth

chemistry
calculate the volume in milliliters of a 5.55g sample of solid with density of 3.67g/ml
September 26, 2012 by nikki

Chemistry
How would I calculate the mass of 20ml of a 3% hydrogen peroxide from a 30% H2O2 solution?
September 26, 2012 by John

Managerial Economics
8. Calculate the price elasticity demand, given Q1=500 , Q2=1000 , P1=55,P2=50
September 29, 2012 by Anonymous

Physics
Calculate the distance (in ) that Larry runs if he maintains an average speed of 8.9 for 1 hour.
October 2, 2012 by Sami

Chemistry
Calculate the pH and the pOH of an aqueous solution that is 0.025 M in HCl(aq) and 0.075 M in HBr(aq) at 25C.
October 6, 2012 by Alex

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

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