May 29, 2016

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: 21,854

write sentence using the word grams
September 9, 2010 by marlene

if there is 2 grams of hydrogen and 1.75 was left over how many was used up
September 10, 2010 by rueben

Solve Calculate the grams of carbon of 77.7 g of propane?
September 24, 2010 by Corshaney

What is the number of grams of Hydrogen in 5.45 x 10^22 molecules NH3?
October 9, 2010 by Daniel

calculate the grams of sodium in 17.606 g of Na2CO3
October 22, 2010 by HELP

the mass in grams of 125 ion atoms
October 30, 2010 by Debbie

How much iron can be recovered from 25.0 grams of FeO?
November 11, 2010 by Zach

How many grams of CO2 will be produced when 29.0g of C3 H8 reacts with extra O2?
November 19, 2010 by Jessica

determine the mass in grams 1.3mol of silver,Ag
December 2, 2010 by diamond

If 30.0 g of H2 were used, how many grams of NH3 would be made?
December 11, 2010 by Stephanie

Convert 50.4 grams of calcium bromide to molecules?
January 5, 2011 by anonymous

how many grams of product can be made from 1 mol of ethanol
January 16, 2011 by noone

What is the number of grams of a solute for a 3L of a 2.5 M HCl solution???
January 26, 2011 by Kim

What is the number of grams of a solute for a 3L of a 2.5 M HCl solution???
January 26, 2011 by Kim

250mg is equal to what percent of a gram or grams
February 1, 2011 by todd

4. How would you convert 9.0 grams of water to moles?
April 18, 2011 by Anonymous

how many grams of NH3 are in 250 ml of a 20% (w/v) ammonia solution
April 25, 2011 by alex

How many grams of bromine can be obtained by the decomposition of 92.0 of MgBr2?
April 27, 2011 by Mel

How many grams of H2SO4 are contained in 4.5L of .30 N sulfuric acid?
May 9, 2011 by Josh

what is denser, 1 grams of gold or 1 kilograms of copper? why?
July 25, 2011 by chloe

How many moles of H atoms are there in 33.4282 grams of C2H4Cl2?
July 29, 2011 by Brooke

How many grams does 0.500 moles of CuBr weigh?
September 23, 2011 by Jeanette

how many grams of CaO can form if 82.o g of CaCO3 decomposed
October 2, 2011 by avm

How many grams of na cl are required to make 500ml of a 0.65 percent w/v
December 5, 2011 by devin

if 2.2g of h2 and 1.25g of n2 are present, how many grams of nh3 will be produced
December 8, 2011 by adam

Calculate the number of moles in 35.7 grams of Na3PO3
January 21, 2012 by Megan

How many grams of CO2 are formed when 32 g of O2 reacts with 23 g of C2H5OH?
January 29, 2012 by Bob

how many grams are contained in 500.g of a 25% solution of H2SO4?
February 13, 2012 by jessica

If 84 g of CO2 were produced, how many grams of butanol were burned?
April 25, 2012 by Kali

How many chloride ions are present in 21.0 grams of CaCl2?
May 9, 2012 by Anonymous

What massof iron is contained in 86.6 grams if FeSO4?
June 12, 2012 by Andre

What is the volume of 19 grams of flourine gas at stp?
July 12, 2012 by Molly

At 25 degrees celsius, what is the mass in grams of 2.5L of mercury?
September 2, 2012 by sean

what is the mass in grams of the following 6.78 mol of NaI
October 11, 2012 by Gloria

0.3 grams NaOH dissolved in 2.5litres. How many moles?
October 27, 2012 by Adrian

a sample of silver chromate has a mass of 78.6 grams?
January 28, 2013 by david

how much oxygen does a mass of 10 grams contain
February 13, 2013 by johnnie

How many grams of sulfuric acid is in 25.0 g of 8.00 % H2SO4 solution?
February 15, 2013 by m

How many grams of carbon are in 4.301023 molecules of (C3H5)2S?
March 3, 2013 by Hannah

How many grams of (NH4)2S2O3 were in the fertilizer sample
March 20, 2013 by dug

How many grams are in 4.00mol of sodium chloride (\rm NaCl)
March 24, 2013 by Dee

How many grams of co2 are in 3.92 times 10 to the 24th molecules
April 11, 2013 by Shaun

chem com
How many moles is 158.5 grams of CaCl2
April 17, 2013 by Ali

Calculate the number of atoms in 46.0 grams of Calcium 9(Ca)
October 10, 2013 by Jaret

How many grams of carbon dioxide are produced from 48.8 g of C4H10?
October 17, 2013 by alexis

what is the terminal velocity of 5 m particle with a density of 8.90 grams/cm^3
October 26, 2013 by Jane

what is the mass in grams of one molecule of water?
March 19, 2014 by Katie

What is the mass in grams of one Mole of water?
March 19, 2014 by Katie

Physical Science
How many grams would occupy 12cm^3?
September 7, 2014 by Molly

grams of potassium permanganate are in 2.58 moles i dont get it ? help
December 4, 2014 by danii

How many grams of CO(g) are in 0.944 L of the gas at 2.26 atm and 257. K?
December 6, 2014 by Anonymous

find the mass in grams of 1.40x10^23 molecules of n2
January 11, 2015 by Sierra

How many grams of CO(g) are there in 67.0mL of the gas at 0.826atm and 30 ∘C?
March 20, 2015 by Brandon

the complete electrolysis of 90 grams of water will yield
April 1, 2015 by seyimichael

How many grams of rust are produced from the oxidation of 10.0 lb of iron?
September 15, 2015 by John

how many grams of chloroethylene C2H3Cl contain 5.47 x 10^26 molecules?
October 21, 2015 by Anonymous

How do I find the number of grams of .25 moles of neon?
October 25, 2015 by Anonymous

What does an averge sized dog weigh in grams?
December 2, 2015 by caidence

how many grams of propane would be burned with 80.0g of oxygen?
January 21, 2016 by Matt

How many grams of MgCl2 do you need to make 2 L of a 0.2 M solution?
February 8, 2016 by K

How many grams of nitrogen are present in 2 moles of HNO3?
March 25, 2016 by MOnica

How many hydrogen atoms are present in 32 grams of methane?
April 25, 2016 by baba

Physics(work and energy)
A cannon ball is fired so that it hits the wall at the top of a 10m tower.If the energy needed to destroy the wall is 49000 F and the mass of the cannon ball is 10 k, the minimum initial velocity of the cannon ball required to break the tower wall is A 100 m/s b 200 m/s c 300 ...
May 20, 2012 by TOM

3/2/2016 An unknown substance at a temperature of 20 degrees Celsius is warmed up to 50 degrees when water at 80 degrees is added to it. The sum of the masses of the unknown substance and water is equal to 1000grams. In another experiment, the same substance at 20 degrees is ...
March 2, 2016 by Marilynn on behalf of Victor Hopman

chemistry, science
Propose a method for determining the specific heat, for a metal like sodium which reacts with water What about using a liquid, not water, which doesn't react with Na. i am doin this presentation on acids and alkalis and i need help finding a site that will give me the info on ...
February 27, 2007 by tensed

Can someone check my answer please: Magnesium metal(0.100 mol)and a volume of aqueous HCL that contains 0.500 mol are combined to react to completion. how many litres of hydrogen gas (measured at STP) are produced choices: 4.42 11.1 22.7 2.27 5.53 I like 2.27... Is this right...
May 10, 2010 by Andy

Chemistry: stoich
4. Suppose that an excess of propane, C3H8 , burns in 320 g of oxygen, How many moles of water will be formed? C3H8 + 5 O2 --> 3 CO2 + 4 H2O (1 point) 6.02 E 23 moles 1600 moles 4.0 moles 8.0 moles
February 16, 2016 by Hannah

Situation 1: You have eight billiard balls. One of them is "defective," meaning that it weighs more than the others. How do you tell, using a balance, which ball is defective in two weighings? Situation 2: You have five jars of pills. All the pills in one jar only are "...
January 21, 2013 by Sarah

Calcium nitrate will react with ammonium chloride at slightly elevated temperatures, as represented in the equation Ca(NO3)2(s) + 2NH4Cl(s) ---> 2N2O(g) + CaCl2(s) + 4H2O(g) What is the maximum volume of N2O at STP that could be produced using a 6.80-mol sample of each ...
June 21, 2010 by JAS

Why is energy released in order to react two atoms to form a compound? For instance the reaction between sodium metal and chlorine gas is highly exothermic and produces NaCl(s). Meanwhile when an atom loses an electron, it will be endothermic. Can someone try to explain this ...
November 4, 2012 by M

(a) If you use two quarters 2.00 mm apart to make a parallel plate capacitor, what is its capacitance? Measure the necessary quantities. (b) If you connect your capacitor in part (a) across 12 V potential difference, how much excess charge will flow onto each quarter? I am ...
January 30, 2008 by J

Silver ion reacts with excess CN− to form a colorless complex ion, Ag(CN)−2, which has a formation constant Kf=3.01020. Calculate the concentration of Ag+ in a solution prepared by mixing equal volumes of 2.310−3M AgNO3 and 0.21M NaCN.
March 27, 2014 by Emily

A certain compound contains carbon, hydrogen , and oxygen. When 1.00 grams of this compound are burned in oxygen gas 1.47 grams of CO2 and 0.600 grams of water are formed. When 2.75 grams of the compound are dissolved in 10.0 grams of water the resulting solution freezes at 2...
January 17, 2011 by Patrick

A 25.00 ml sample of a standard solution containing 1 g of CaCO3/L required 25.20 ml of EDTA to fully complex the Ca present. Calculate the volume of EDTA stoichiometrically equivalent to 1.0 mg of CaCO3. From the volume of EDTA required in titrating the sample, calculate the ...
March 14, 2010 by Anonymous

Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved to make this solution. delta T = Kf*molality Plug in 0.085 for delta T, I assume you know Kf for water, calculate molality. Then molality x kg ...
February 9, 2008 by Lauren

Urea (NH2)2CO is dissolved in 100.0 g of water. The solution freezes at -0.085 degrees C. how many grams of urea were dissolved to make this solution. delta T = Kf*molality Plug in 0.085 for delta T, I assume you know Kf for water, calculate molality. Then molality x kg ...
February 9, 2008 by Lauren

A garment company makes two types of woolen sweaters and can produce a max of 700 sweaters per week. Each sweater of the first type requires 2 pounds of green wool and 4 pounds of pink wool to produce a single sweater. The second type of sweater requires 4 pounds of green wool...
November 24, 2008 by JAYJAY

what volume (in L) of 0.150 M KCl solution is required to completely react with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the following balanced chemical equation? 2KCl (aq) + Pb(NO3)2 (aq) --> PbCl2 (s) + 2 KNO3 (aq)
June 21, 2010 by samantha

using the balanced reaction equation for the combustion of propane, determine the number ofmoles of oxygen that would react with.50 mol propane and the number of moles of carbon dioxide that would be produced?
January 9, 2011 by Blake

A mixture of 1.441 g of H2 and 70.24 g of Br2 is heated in a 2.00-L vessel at 700 K. These substances react as follows. H2(g) + Br2(g) arrow 2 HBr(g) At equilibrium the vessel is found to contain 0.627 g of H2. calculate their equilibrium concentrations and Kc
January 22, 2013 by Mariah

chemistry help !!!!!!!!!!!!!!!!
H2(g)+Cl2(g)=2HCL(g) it is found experimentally that 1 mole of H2 gas react with 1 mole of CL2 gas at constant temperature & pressure , to release 184kJ of heat .what is the enthalpy change for this reaction? ∆H=
January 4, 2013 by john

In 1901, Thomas Edison invented the nickel-iron battery. The follwing reaction takes place in the battery. Fe(s) + 2 NiO(OH)(s) + 2 H2O(l) Fe(OH)2(s) + 2 Ni(OH)2(aq) How many mole of Fe(OH)2, is produced when 3.70 mol Fe and 6.95 mol NiO(OH) react?
February 24, 2014 by Grace

Given that 1mole of propane react with 5 moles of Oxygen.find the number of moles of Oxygen reacted with 2.2g of propane
October 26, 2014 by Kealeboga

college physics
To stretch a spring 7.00 cm from its unstretched length, 16.0 J of work must be done. What is the force constant of this spring? What magnitude force is needed to stretch the spring 7.00 cm from its unstretched length? How much work must be done to compress this spring 4.00 {\...
September 21, 2010 by jon

Statistics 1 plaese give answers to below question
Suppose a simple random sample of size n=150 is obtained from a population whose size is N=20,000 and whose population proportion with a specified characteristic is p=0.8. Please answer questions (1) through (5) below. (1) Describe the sampling distribution of p^ (choose the ...
November 26, 2014 by LADO

Suppose a new type of pest, which is immune to existing pesticides, attacks the wheat crop. As a result, at a given quantity of clothing, the economy is able to produce fewer bushels of wheat than before the attack of the new pests. Adjust the PPF curve to show the economy's ...
August 11, 2009 by Sammy

physical chemistry
1.) Calculate delta rH for the freezing of water at one bar and -10 degrees C. The heat capacities are H2O(s)=36.9 JK-1mol-1 and H2O(l)=74.5JK-1mol-1. delta H for freezing of water at 0 degree C is -6602Jmol-1 (assume C is independent of temperature). 2.) Assume the hot brick ...
February 21, 2012 by nicole

A reaction in which A, B, and C react to form products is zero order in A, one-half order in B, and second order in C. If the concentration of C is increased by a factor of 4.95 (and all other concentrations are held constant), how much will the rate of reaction increase?
May 2, 2011 by Ryan

The left side of a balanced chemical equation is shown below: K2Cr2O7 + 4H2SO4 + 3SeO2 If 0.600 moles of K2Cr2O7, 2.800 moles of H2SO4 and 1.500 moles of SeO2 are brought together and allowed to react, then
October 18, 2013 by Anonymous

i need help with this one! A 100KHz oscillator thats followed by a doubler and two triplers will produce an output of frequency.... a.) 180 kHz b.) 500 " c.) 800 " d.) 1.8 "
August 29, 2007 by jeff

Write a systematic method to answer, 'How quickly and how do you produce rocket fuel?' using a boling tube, acid, a balloon, and a measuring cylinder?
October 12, 2009 by Rebekah

political 100
why can't the president sit down with a group of able and intelligent advisers and produce an ffective program to address the problems facing the nation?
March 22, 2010 by kelvin

What minimum acceleration must it engines produce if the airoplane has become airbome after starting from rest and travelling a distance of 300m on the runway
February 27, 2011 by Nobuhle

Hi, I am needing help with the following question. How long would it take to produce 150 kW with 780 J of energy? (make sure you have the corerct units)
August 9, 2011 by Kelsey

If 1.000g of (potash) K2CO3 reacts with H2SO4 to produce 145 mL of CO2 gas at STP, what is percentage of Potassium Carbonate in the marble sample?
October 15, 2011 by Sarah J

Five forces act on an object. (1) 60 N at 90 (2) 40 N at 0 (3) 80 N at 270 (4) 40 N at 180 (5) 50 N at 60 What are the magnitude and direction of a sixth force that would produce equilibrium? Thanks for the help im confused on setting up the f(x) and f(y)
November 26, 2011 by Conner

If we can produce the final draft within next week, we can finalize this treaty by the end of this month. (Is this sentence grammatical? Would you correct any errors?)
October 23, 2012 by rfvv

a converging lens has a focal length of 15cm. Find two positions where a real object can produce images four times its size.
March 19, 2013 by Anonymous

a converging lens has a focal length of 15cm. Find two positions where a real object can produce images four times its size.
March 19, 2013 by Anonymous

Identify the limiting reagent. 2.43g of magnesium is added to a solution containing 0.100 mol hydrochloric acid t ok produce hydrogen gas.
April 21, 2013 by Amy

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