Sunday

April 26, 2015

April 26, 2015

Number of results: 19,787

**Chemistry**

calculate the number of formula units of 0.0067 g of lithium carbonate, Li2CO3?
*November 11, 2010 by Zach*

**chem**

at 50.0C the balloon ha a vlomue of 1.78L. Calculate the carbon dioxide density at this temperature.
*November 14, 2010 by julia*

**chemistry**

Calculate the ionization constant, Ka, of phenol (HC6H5O), a weak acid, if a 0.25 M solution of it has a pH of 5.24.
*November 15, 2010 by Audrey*

**chemistry**

how do I calculate what temperature is needed to heat 52 grams of ethane to occupy 1200ml?
*November 17, 2010 by david*

**chem**

Calculate delta G rxn for a redox reaction with n = 2 that has an equilibrium constant of K = 4.4×10−2.
*November 22, 2010 by moe*

**Please Help**

The method used to calculate depreciation for federal income tax purposes is ?
*November 22, 2010 by Math Question*

**chemistyr**

Calculate the molar solubility of MX2, if the Ksp=3.3x10^-8 how can i solve this problem?
*November 23, 2010 by roseanne*

**chemistry**

Calculate the molar solubility of MX2, if the Ksp=3.3x10^-8 how can i solve this problem?
*November 24, 2010 by roseanne*

**Physics**

Calculate the hang time of an athlete who jumps a vertical distance of 0.75 meter.
*November 25, 2010 by Laura*

**chemistry**

3.49g of ammonia at STP weighs 4.48litre calculate molecular mass of it.
*November 28, 2010 by Anonymous*

**Chemistry**

Calculate the concentration of the solution in mass percent: 32.3 mg KNO3 in 2.44g of H2O.
*November 30, 2010 by Kelsey G*

**Chemistry**

Calculate the enthalpy change per gram for the combustion of ethane (C2H6(g)).
*December 4, 2010 by Billy*

**marketing**

Calculate a forecast of the above demand using a 3- and 5-period moving average.
*December 13, 2010 by Anonymous*

**chemistry**

Calculate the "exact" alkalinity of a water that contains 0.6580 mg/L of bicarbonate, as the ion, at a pH of 5.66.
*January 21, 2011 by Jazmin*

**Chemistry**

Calculate the volume of Sulfur dioxide produced when 27.9 mL of O2 reacts with carbon disulfide
*February 1, 2011 by La*

**chemistry**

How do you calculate the weight of the following compounds? A)H2O2 B)C6H8O6 C)K2Cr2O7 D)C56H88O2
*February 2, 2011 by Twynna *

**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*

**Chemistry**

Kc=1. The initial concentrations are A = 0M, B = 0M, C=10M. A+B --> C calculate the reaction quotient. (c)/(a)(b) = 10/0 .. is the answer zero?
*February 9, 2011 by Jenny*

**college chem**

Calculate the Mole Fraction of benzene in toluene if there are 5 grams of each in the mixture
*February 10, 2011 by shelby*

**chemistry**

calculate the volume of amonia that is produced at stp when 10.5 grams of N2 reacted with excess H2.
*February 12, 2011 by fatima*

**chemistry**

calculate the volume of amonia that is produced at stp when 10.5 grams of N2 reacted with excess H2.
*February 12, 2011 by fatima*

**general chemistry**

Calculate the de Broglie wavelength (in pm ) of a hydrogen atom traveling 445 m/s.
*February 13, 2011 by soso*

**accounting**

how do you write a program for an accountant using java to calculate income tax?
*February 16, 2011 by Anonymous*

**chemistry**

calculate the number of grams atom and gram molecules in 25.4milligrams of iodine ?
*February 24, 2011 by larisque*

**chemisrty**

calculate the percent by mass of carbon(c) in the amino acid arginine,C6H16N4.
*February 27, 2011 by michelle*

**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 Cu²+ 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 µC 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*