Thursday
April 24, 2014

Search: What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.128 M Al(NO3)3 is added to 200.0 mL of 0.143 M KOH

Number of results: 24,814

Chemistry
I had a quiz today and one of the multiple choice questions was something like, "find the final temperature of aluminum when it is cooled" and then it gave you the specific heat capacity of aluminum, the mass of the aluminum, initial temperature, and enthalpy change. One of ...
Thursday, February 21, 2013 at 5:16pm by a Canadian

A.P. Chemistry
10. What mass of LiSO4 (110 g/mol) is required to prepare 30mL of 0.20M LiSO4? 11. Liquid bromine is reacted with aluminum to produce solid aluminum bromide. If 0.450L of bromine reacts with excess aluminum, how much aluminum is made? (Density of liquid bromine is 3.1g/L)
Sunday, October 21, 2012 at 11:10pm by Yazmin

Physics
One cubic meter (1.00 m^3) of aluminum has a mass of 2.70 multiplied by 10^3 kg, and the same volume of iron has a mass of 7.86 multiplied by 10^3 kg. Find the radius of a solid aluminum sphere that will balance a solid iron sphere of radius 1.40 cm on an equal-arm balance.
Friday, August 27, 2010 at 12:27am by Z32

Chemistry
Over the years, the thermite reaction (mixing of solid iron (III) oxide with aluminum metal) has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. A. Write a balanced equation representing the reaction. B. What masses of iron (...
Tuesday, August 6, 2013 at 3:07pm by Stockton

Chemistry
Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas
Wednesday, January 9, 2013 at 11:42pm by Jill

chemistry
Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas
Wednesday, December 4, 2013 at 9:19pm by rose

chemistry
I have 3 questions I need help with 1. mix 120ml of 0.320M silver nitrate with 40ml of 0.320M potasium chromate. What mass of silver chromate is produced? 2. Calculate the mass of white solid CaCO3 that forms when 98ml of a 0.1M Ca(NO3)2 solution is mixed with 54ml of a 2.5M ...
Wednesday, January 27, 2010 at 9:37pm by Krissy

Chemistry
Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas. Is Al2(CO3)3 ==> Al2O3 + CO2 the right equation? If so, how do you balance this equation?
Monday, March 1, 2010 at 9:27am by Jack

Chemistry
Write and balance equations for the following reactions. A)Iron metal and Chlorine gas react to form solid iron(III) chloride. B)Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide gas. C)Solid magnesium reacts with aqueous silver nitrate to ...
Sunday, February 28, 2010 at 6:36pm by Jack

chemistry
A. ) A goodyear blimp typically contains 5400 m cubed of helium at an absolute pressure of 1.1*10^5 Pa. The temperature of the helium is 280 K. What is the mass (in kg) of the helium of the blimp? B. ) Estimate the spacing between the centers of neighboring atoms in a piece of...
Wednesday, November 17, 2010 at 12:51am by joe

Chemistry
A. ) A goodyear blimp typically contains 5400 m cubed of helium at an absolute pressure of 1.1*10^5 Pa. The temperature of the helium is 280 K. What is the mass (in kg) of the helium of the blimp? B. ) Estimate the spacing between the centers of neighboring atoms in a piece of...
Wednesday, November 17, 2010 at 6:57am by joe

College Chemistry
1) The concentration of the aluminum ion in a test solution is 0.10M. Using the Ksp for aluminum hydroxide (3. x 10^-34), calculate the concentration of hydroxide needed to precipitate aluminum hydroxide. From the concentration of the hydroxide, calculate the pH of the ...
Thursday, April 1, 2010 at 8:44pm by Zach

stoichiometry
What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.200 M aluminum nitrate is added to 200.0 mL of 0.100M potassium hydroxide?
Tuesday, February 26, 2008 at 7:10pm by omar

chemistry
write and balance Solid aluminum carbonate decomposes to form solid aluminum oxide and carbon dioxide and carbon dioxide gas
Wednesday, March 27, 2013 at 11:24am by tamara

Science
Thermite is a mixture of iron(III) oxide and aluminum powders that is used in some countries to weld railroad tracks. It is a spectacular reaction to yield solid aluminum oxide that floats on the molten iron. When cooled, the iron is ground smooth and even with the rest of the...
Wednesday, November 16, 2011 at 8:58pm by Megan

chemistry
an aluminum cylinder is 10.0 cm in length and has a radius of .25 cm. if the mass of a single atom of aluminum is 4.48X10^-23 calculate the number of aluminum atoms present in the cylinder. the density of aluminum is 2.70 g/cm^3 Please answer quickly.
Friday, September 7, 2012 at 9:32am by Krista

Physics
An aluminum wire of diameter 2.47 mm carries a current of 12.9 A. How long on average does it take an electron to move 10.5 m along the wire? Assume 3.50 conduction electrons per aluminum atom. The mass density of aluminum is 2.70 g/cm3 and its atomic mass is 27.0 g/mol.
Friday, February 10, 2012 at 9:07am by jason

Chemistry
Bauxite ore contains aluminum oxide Al2O3(s) which is decomposed using electricity to produce aluminum metal and oxygen gas. What mass of aluminum metal can be procuced from 155g of aluminum oxide?
Sunday, February 19, 2012 at 7:07pm by Hannah

chemistry
Aluminum is burned in O2 to give Al2O3. 74g of aluminum are mixed and reacted with 56g O2. What mass of aluminum oxide is produced? #gAl2O3 = 56gO2 x ??
Sunday, March 8, 2009 at 7:36pm by sh

chemistry 105
Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s)+3H2SO4(aq)-->Al2(SO4)3(aq)+3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 14.7 g. What minimum mass of H2SO4(in g) would you need? What mass of H2 gas(in g) would be ...
Monday, October 10, 2011 at 11:03pm by julie

chemistry
Sulfuric acid dissolves aluminum metal according to the following reaction: 2Al(s) + 3H2SO4(aq) -> Al2(SO4)3(aq) + 3H2(g) Suppose you wanted to dissolve an aluminum block with a mass of 15.9g . A)What minimum mass of H2SO4 (in g) would you need? [***A=86.7g***] B)What mass ...
Saturday, October 20, 2007 at 4:18am by leo

Physics
Calculate how much work does a block of aluminum of mass 100 kg do if it is heated at P = 1 atm from 20 degrees to 660 degrees. n.b. - The density of solid aluminum at 20 degrees is p= 2.7 g/cm^3. When it is liquid at 660^C the density of the liquid state is decreased to 2.38 ...
Tuesday, October 22, 2013 at 4:16am by Anonymous

chemistry
What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.200M Al(No3)3 is added to 200 Ml of a 0.100M KoH
Friday, November 6, 2009 at 3:20pm by Kaylee

chemistry
What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.200M Al(No3)3 is added to 200 Ml of a 0.100M KoH
Friday, November 6, 2009 at 3:21pm by Kaylee

Algebra
The density of aluminum is 2.70 g/cm3, and the average mass for one aluminum atom is 4.4810-23 g. Five identical aluminum coins are found to displace a total of 2.50 mL of water when immersed in a graduated cylinder containing water. How many atoms are present in one such ...
Wednesday, September 4, 2013 at 6:54pm by Anonymous

chem
over the years, the thermite reaction has been used for welding railorad rails, in incendiary bombs, and to ignite solid fuel rocket motors. The reaction: Fe2O3(s) + 2 Al (s) -> 2 Fe(l) + Al2O3 (s) What masses of iron ( III) oxide and aluminum must be used to produce 15.0 ...
Sunday, August 26, 2012 at 1:16am by greeny

chemistry
to find the molarity of an aqueous solution of an ionic solid what do you need to know? a... mass of solid, formula of solid, volume of water b...moles of solid, formula of solid, volume of water c....mass of solid, formula of solid, volume of solution d....moles of solid, ...
Tuesday, November 30, 2010 at 3:37pm by Anna

Chemistry
Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. The reaction is given below. Fe2O3(s) + 2 Al(s) 2 Fe(l) + Al2O3(s) What masses of iron(III) oxide and aluminum must be used to produce ...
Sunday, April 25, 2010 at 10:20am by Anonymous

Chemistry
Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. The reaction is the following. Cr2O3(s) + 2 Al(s) → 2 Cr(l) + Al2O3(s) What masses of chromium(III) oxide and aluminum must be ...
Tuesday, January 21, 2014 at 3:26am by Monica

chem
A 4.91 g sample of aluminum completely reacts with oxygen to form 6.85 g of aluminum oxide. Use this data to calculate the mass percent composition of aluminum in aluminum oxide. i got 61.2% first and it was wrong. then i got 53.0% and it was wrong
Thursday, November 11, 2010 at 5:06pm by hannah

chemistry
a 0.2000 grams sample of aluminum metal is added to a solution containing 1.0000grams of an unknown compound made of platinum and chloride ion. the reaction results in the formation of aluminum chloride and platinum metal. when the reaction is complete, unreacted aluminum ...
Monday, March 3, 2014 at 11:51am by Anonymous

chemistry
predict which three of the following five aqueous solutions should react with solid aluminum metal (the elemental form of aluminum): AgNO3, Na2CO3, CuSO4, CaCl2, Pb(NO3)2
Monday, April 22, 2013 at 1:25am by Anonymous

Math
A piece of aluminum with an unknown mass ios at 85c and is placed in a 2.00 liters of water at 25.0c. The final temperature becomes 33c. What is the mass of aluminum?
Thursday, November 8, 2012 at 7:25pm by Dave

Chemistry
Aluminum is more reactive than iron, yet it is used today for a variety of applications in which iron would corrode (cans, rain gutters,etc). The reason for the corrosion durability of aluminum is 1. all aluminum products are treated with a plastic coating. 2. aluminum does ...
Wednesday, October 20, 2010 at 1:54pm by Sarah

Chemistry*
Oh sorry I forgot the arrows! Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. The reaction is given below. Fe2O3(s) + 2 Al(s) -->2 Fe(l) + Al2O3(s) What masses of iron(III) oxide ...
Sunday, April 25, 2010 at 6:15pm by Anonymous

chem
Anhydrous aluminum oxide can be reduced to aluminum according to thisa chemical equation: 2 Al2O3 (s) ---> 4 Al (l) + 3 O2 (g) Calculate the mass of aluminum oxide reacted if 91.4 g of Al was produced and the percent yield was found to be 89.3%
Wednesday, September 15, 2010 at 10:39am by vanessa

Chemistry
Anhydrous aluminum oxide can be reduced to aluminum according to thisa chemical equation: 2 Al2O3 (s) ---> 4 Al (l) + 3 O2 (g) Calculate the mass of aluminum oxide reacted if 82 g of Al was produced and the percent yield was found to be 89.3%
Friday, October 18, 2013 at 9:10pm by Kristin

Chemistry
In a spontaneous oxidation-reduction reaction between aluminum and silver ion, the aluminum(III) ion and solid silver are formed. If 0.001g of aluminum is consumed in this reaction, how much silver is produced? a)1.20g b)1.00g c)3.00g d)530g
Wednesday, November 3, 2010 at 9:33pm by Kayy

physics
How much heat must be added to 0.55 kg of aluminum to change it from a solid at 180C to a liquid at 660C (its melting point)? The latent heat of fusion for aluminum is 4.0 105 J/kg.
Friday, December 10, 2010 at 4:00pm by maria

physics
How much heat in joules must be added to 0.348 kg of aluminum to change it from a solid at 138 C to a liquid at 660 C (its melting point)? The latent heat of fusion for aluminum is 4.0 x 105 J/kg.
Tuesday, May 15, 2012 at 4:29am by RM

Chemistry
What mass of solid aluminum hydroxide can be produced when 50.0mL of .200 M Al(NO3)3 is added to 200.0 mL of .100 M KOH
Wednesday, September 5, 2007 at 5:42pm by Anonymous

chemistry
A propane barbeque is used to heat up 400g of water in an aluminum pot until it is boiling. Using the following information, calculate the molar enthalpy of propane. You can assume the temperature of the water and the temperature of the aluminum pot are always the same. ...
Sunday, November 7, 2010 at 11:25pm by Bob

chemistry.
The relative mass of aluminum chloride is 267 and its composition by mass is 20,3% Al and 79,7% chlorine. Determine the empirical and molecular formulas of Aluminum chloride.
Saturday, October 3, 2009 at 7:55am by Denmark

Chemistry
Suppose you wanted to dissolve an aluminum block with a mass of 15.4 g What mass of H2 gas (in g) would be produced by the complete reaction of the aluminum block?.
Tuesday, October 6, 2009 at 11:08pm by Liz

chemistry
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 24 amps? All i need is the moles of Aluminum per moles of electons. thanks
Monday, November 22, 2010 at 3:07am by moe

geometry
a solid aluminum cube measuring 15 inches on a side is melted and rolled into an aluminum wire tat is 0.2 inches in diameter. what will be the length of this wire?
Tuesday, January 17, 2012 at 6:56am by mary

Chemistry
1) A compound has the following percentages by mass: barium, 58.84%; sulfur, 13.74%; oxygen, 27.43%. Determine the empirical formula of the compound. 2) If a 1.271-g sample of aluminum metal is heated on a chlorine gas atmosphere, the mass of aluminum chloride produced is 6....
Friday, December 30, 2011 at 11:07am by Natalie

Chemistry
Use the equation below to answer the following questions. Al + H2SO4 ==> Al2(SO4)3 + H2 A. If 8.15 moles of aluminum are reacted, how many moles of hydrogen will be produced? B. If 44.7 g of hydrogen sulfate is reacted, what mass of aluminum sulfate is produced? C. If 34.6 ...
Friday, February 29, 2008 at 4:13pm by katie

AP Chemistry
We were given a 12 cm by 12 cm area of aluminum foil (it weighed 0.60 g) and were told to calculate the atomic mass of Aluminum atoms given that the radius of 1 aluminum atom is 143 picometers and the density is 2.7 grams per centimeter cubed, without using Avogrado's number. ...
Thursday, November 15, 2012 at 6:54pm by BadatChem

Chemistry
Aluminum cookware is reffered ti as "anodized aluminum". The anodizing process puts a layer of aluminum oxide on the aluminum, protecting it from corrosion. Consider the reaction of 10.00 grams of aluminum with 10.00 grams of oxygen to form aluminum oxide. What is the formula ...
Sunday, February 15, 2009 at 4:01pm by Stacey

General Chemistry
Change these word equations into formula equations and balance them. Be sure to use the proper symbols to indicate the state of each substance as given. (a) Magnesium metal is placed into hydrobromic acid solution, forming hydrogen gas and aqueous magnesium bromide. (b) When ...
Wednesday, October 3, 2012 at 10:11am by Anonymous

chemistry
What is the maximum mass of aluminum chloride that can be formed when reacting 30.0 g of aluminum with 35.0 g of chlorine?
Sunday, September 21, 2008 at 4:48am by Summer

Chemistry
How do I find the volume in L, of aluminum if the mass is 25.25g and the density of aluminum is 2.70g/Ml?
Sunday, February 6, 2011 at 11:37am by Patty

Chemistry
What is the maximum mass of aluminum chloride that can be formed when reacting 30.0g of aluminum with 35.0g of chlorine
Tuesday, February 26, 2013 at 8:50pm by Veronica

Science
What is the mass of 10cc of aluminum? Mass= volume*density. You need to look up the density of aluminum.
Tuesday, November 7, 2006 at 2:03pm by Marley

science
find the empirical formula for a compound that consists of aluminum and chlorine in which the aluminum is 20.2% by mass
Friday, March 7, 2014 at 2:21am by joy

CHEM-last part prob.
Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s) + 3Cl2(g) -> 2AlCl3(s) You are given 19.0g of aluminum and 24.0g of chlorine gas. a)If you had excess chlorine, how many moles of of aluminum chloride could be produced from 19.0g...
Tuesday, October 16, 2007 at 12:22am by K

chemistry
An aluminum engine block has a volume of 4.86 L and a mass of 12.75 kg. What is the density of the aluminum in grams per cubic centimeter?
Thursday, August 26, 2010 at 6:36pm by maryanne

chemistry
Aluminum reacts with hydrochloric acid to produce aluminum chloride and hydrogen gas. What mass of hydrochloric acid reacts when 87.7 grams of aluminum dissolves? The equation is 2Al+6HCl=2AlCl3+3H2
Tuesday, January 31, 2012 at 7:03pm by Kendall

Chemistry Stoichiometry
Sulfuric acid can dissolve aluminum metal according to the following reaction. Suppose you wanted to dissolve an aluminum block with a mass of 25.7 . How many grams of H2 gas would be produced by the complete reaction of the aluminum block?
Saturday, October 27, 2012 at 4:46am by Brianna

Physical Science
Aluminum has a density of 2.70 g/cm^3. What is the mass of a piece of aluminum that has a volume of 100.0cm^3? How would I figure this out? Thanks so much. :)
Monday, October 5, 2009 at 5:36pm by Christy

chemistry*
Over the years, the thermite reaction has been used for welding railroad rails, in incendiary bombs, and to ignite solid-fuel rocket motors. The reaction is given below. Fe2O3(s) + 2 Al(s) -->2 Fe(l) + Al2O3(s) What masses of iron(III) oxide and aluminum must be used to ...
Sunday, April 25, 2010 at 8:54pm by Anonymous

chem
how to set up or approach these 1. Calculate the mass in grams of iodine (I2) that will react completely with 48.9 g of aluminum (Al) to form aluminum iodide (AlI3). Do I need to find the mass as a whole for the entire compound, then convert? 2. The formula for rust can be ...
Monday, February 9, 2009 at 12:27am by hannah

Chemistry
2Al(s)+3Cl2 = 2AlCl3 Limiting Reactant is Cl with 0.329mol. What is the maximum mass of aluminum chloride that can be formed when reacting 30.0g of aluminum with 35.0g of chlorine?
Tuesday, February 26, 2013 at 8:51pm by Veronica

chemistry
aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be formed if 250g H2SO4 reacted with aluminum?
Thursday, January 31, 2008 at 8:40pm by max

chemistry
23. aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be formed if 250g H2SO4 reacted with aluminum?
Friday, May 30, 2008 at 2:46pm by Anonymous

Chemistry
Given the reaction: Fe2O3 + Al -> Fe Al2O3 What masses of iron oxide and aluminum must be used to produce 15g iron? What is the maximum mass of aluminum oxide that could be produced? How much aluminum oxide would be produced if the yield is 93%? Please show solutions. :]
Saturday, October 4, 2008 at 8:54am by Harmony

chemistry
aluminum reacts with sulfric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be form if 250 g H2SO4 completely reacted with aluminum?
Monday, November 30, 2009 at 7:31pm by S

Chemistry
aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be formed if 250 g H2SO4 completly reacted with aluminum
Sunday, February 23, 2014 at 5:10pm by Marcus

chem
the valence of aluminum is +3 and the valence of chlorine is -1. the formula for aluminum chloride is correctly written as? How many Chloride ions at -1 charge will equal one +3? Aluminium chloride is a whitish solid. Formula: AlCl3.
Sunday, October 8, 2006 at 10:32am by fernando

Chemistry- Equation
Aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. How many grams of aluminum sulfate would be formed if 250 g H2SO4 completely reacted with aluminum?
Friday, March 5, 2010 at 11:32am by meg

matter
What are the three properties of matter and how is matter measured? volume, weight, and mass the solid has a mass of 180g. what is the density of the solid What would the density be of a solid, if I had a mass of 180g?
Monday, August 21, 2006 at 7:46pm by Glen

chemistry
Aluminum nitrate and ammonium chloride react to form alluminum chloride, nitrogen, and water. what mass of aluminum chloride is present after 43.0 g of aluminum nitrate and 43.0 g ammonium chloride have reacted completely? Please Help
Thursday, May 20, 2010 at 12:33pm by amanda

Chemistry
When a clear aqueous solution of calcium chloride (CaCl2) is mixed with a clear aqueous solution of sodium carbonate (Na2CO3), a white solid precipitate forms. What happens to the mass of the mixture after the solid precipitate forms? Choose the best answer. Mass decreases ...
Tuesday, September 25, 2012 at 10:31pm by Lily

Chemistry
4Al + 3O2 = 2Al2O3. If 41.5 g aluminum and 69.0 g oxygen undergo a reaction that has a 67.0% yield, What mass of aluminum oxide forms. Please help by showing steps to find answers. Thanks
Sunday, July 17, 2011 at 12:02am by Pamela

Chemistry
In a certain reaction, 300.23 grams of solid aluminum sulfide combine with unlimited aqueous silver nitrate. How many moles of aluminum sulfide react? How many moles of each product will be produced? First of all, is the reaction a double replacement or not? I have so much ...
Monday, December 7, 2009 at 8:33pm by Paula

Physics
Four objects - a hoop, a solid cylinder, a solid sphere, and a thin, spherical shell - each has a mass of 4.59 kg and a radius of 0.252 m. (a) Find the moment of inertia for each object as it rotates about the axes shown in the table above. hoop____ kgm2 solid cylinder____ kg...
Friday, March 19, 2010 at 7:28pm by Ana

chemistry
Kc = [Na+][Cl-]/[NaCl(s)] The above equation contains the concentration of NaCl in solid NaCl. This concentration is related to the density of solid NaCl and its molar mass. Since the density of NaCl or of any pure solid or pure liquid does not vary with the extent of a ...
Tuesday, July 21, 2009 at 3:10pm by jessica

Chemistry
Consider the following reaction. 4 Al(s) + 3 O2(g) → 2 Al2O3(s) It takes 1.00 L pure oxygen gas at STP to react completely with a certain sample of aluminum. What is the mass of aluminum reacted?
Thursday, January 26, 2012 at 9:59pm by Zoey

pvc aluminum charge
If you rub a piece of PVC pipe with some wool and touch the PVC to Aluminum foil. Will the PVC be charged after rubbing it with wool?? Will the aluminum be charged? Finally can the PVC cause the aluminum to move. Please explain (hint: can the PVC give charge to the aluminum?) ...
Tuesday, January 13, 2009 at 2:01am by kaylee

chemistry
Aluminum sulfate reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. How many grams of aluminum sulfate would be formed if 250g H2 SO4 completely react with aluminum?
Sunday, December 9, 2007 at 5:44pm by Michelle

chemistry
Consider the following reaction 4Al + 3O2 = 2Al2O3 It takes 2.00 L pure oxygen gas at STP (0C ,1atm ) to react completely with a certain aluminum. What is the mass of aluminum reacted?
Friday, November 18, 2011 at 1:01pm by NONO

physics
A mass of 135 g of an element is known to contain 30.1 1023 atoms. What is the element? hydrogen oxyden aluminum carbon Is it aluminum?
Saturday, April 26, 2008 at 8:44am by Sophia

chemistry
If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.
Thursday, August 29, 2013 at 12:40am by joe

chemistry
If 51J of heat is added to an aluminum can with a mass of 23.0g , what is its temperature change? Specific heat capacity of aluminum is 0.903 J/g∘C.
Thursday, August 29, 2013 at 12:42am by joe

science
kevin has a piece of aluminum which has a density of 2.7gms/cm3 and a mass of 63 grams what is the volume of the piece of aluminum
Monday, September 17, 2007 at 2:44pm by ricky

chemistry
finding the largest mass of Aluminum chloride that can be formed when reacting with 31 grams of aluminum with 36 grams of chlorine
Tuesday, February 15, 2011 at 10:59am by Anonymous

physics
A cube of aluminum is 4cm on each side.find the mass of the cube. (Density of aluminum is 2.7g/cm3
Thursday, October 6, 2011 at 2:51pm by ali

physics
A solid aluminum ingot weighs 88.0 N in air.What is its volume?The ingot is suspended from a rope and totally immersed in water. What is the tension in the rope (the apparent weight of the ingot in water)? To find the volume would i do density/specific gravity of aluminum?
Sunday, March 1, 2009 at 10:59pm by kate

chemistry
During the electrolysis of molten aluminum chloride in an electrolytic cell, 5.40 g of aluminum is produced at the cathode. Predict the mass of chlorine produced at the anode.
Saturday, April 19, 2008 at 11:54pm by Rishikesh

science
I need help to find the answer to this problem: The formula for aluminum sulfate is Al2(SO4)3. Figure the molar mass of aluminum sulfate to the nearest gram?
Tuesday, December 16, 2008 at 7:54am by wizzkid01

physics
If you rub a piece of PVC pipe with some wool and touch the PVC to Aluminum foil. Will the PVC be charged after rubbing it with wool?? Will the aluminum be charged? Finally can the PVC cause the aluminum to move. Please explain (hint: can the PVC give charge to the aluminum?) ...
Tuesday, January 13, 2009 at 2:02am by kaylee

conversion problems
Im not sure how to convert these because of the cm cubed heres the question: An aluminum engine block has a volume of 4.88 L and a mass of 12.60 kg. What is the density of the aluminum in grams per cubic centimeter? so its gonna be something g/cm3 can you tell me what it is ...
Wednesday, August 25, 2010 at 4:38pm by Hannah

chemistry
Some properties of aluminum are summarized in the following list. normal melting point 658C heat of fusion 0.395 kJ/g normal boiling point 2467C heat of vaporization 10.52 kJ/g specific heat of the solid 0.902 J/gC (a) Calculate the quantity of energy required to heat 1.75 ...
Saturday, May 1, 2010 at 5:54pm by Jake

Chemistry
Some properties of aluminum are summarized in the following list. normal melting point 658C heat of fusion 0.395 kJ/g normal boiling point 2467C heat of vaporization 10.52 kJ/g specific heat of the solid 0.902 J/gC (a) Calculate the quantity of energy required to heat 1.75 ...
Saturday, May 1, 2010 at 6:46pm by Charles

Physics
An alloy of mass 225g is heated to 550C. It is quickly placed in 450g of water at 12C. The water is contained in an aluminum calorimeter cup of mass 210g. The final temperature of mixture is 31.7C. Specific heat of aluminum is 0.215 cal/gC. Find the specific heat of alloy.
Monday, February 3, 2014 at 6:59am by Tsunayoshi

chemistry
aluminum has a density of 27g/cm3 if a chunk of aluminum with a mass of 16g is placed in a graduated cylinder partially filled with water how much will the water level rise
Thursday, June 7, 2012 at 6:42pm by Ana

Chemistry
In a reaction, 39.5 g of chromium(III) oxide reacts with 14.0 g of aluminum to produce chromium and aluminum oxide. If 27.0 g of chromium is produced, what mass of aluminum oxide is produced? I don't know where to begin. Do I put this into a chemical formula? balance it out? ...
Wednesday, April 7, 2010 at 5:30pm by Anonymous

college chemistry
A solid consists of mixture of NaNO3 and Mg(NO3)2. When 6.50 g of this solid is dissolved in 50.0 g of water, the freezing point is lowered by 5.40⁰C. What is the composition of the solid (in mass percent)? Assume ideal behavior but watch out for the vant Hoff factor.
Wednesday, April 28, 2010 at 1:20pm by Stephanie

chemistry
A 12.0g sample of carbohydrate contain 4.50g of carbon, 3.25g of oxygen, and some hydrogen. Determine the percent by mass of hydrogen in your product. Find the empirical formula for a compound that consists of aluminum and chlorine in which the aluminum is 20.2 % by mass. . A ...
Tuesday, March 13, 2012 at 6:39pm by jhong

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

Search
Members