Thursday
April 17, 2014

Search: Mercury 2 sulfate and ammonium nitrate

Number of results: 3,346

Chemistry
How many grams of a 17.7% potassium sulfate solution would contain 419.9 g potassium sulfate? Answer in units of g
Thursday, March 13, 2014 at 10:50pm by Kristen

Chemistry
Moles of Cu in the copper sulfate salt: mass is 90. and there are 5g of copper sulfate
Sunday, September 15, 2013 at 10:31pm by kelly

chemistry
when aqueous solutions of copper II nitrate and sodium phosphate are mixed, sodium nitrate and copper II phosphate are formed. In the balanced chemical equation what is the coefficient of sodium nitrate?
Thursday, May 6, 2010 at 12:19pm by grace

AP Chem
The Ksp for silver sulfate (Ag2SO4) is 1.2 10-5. Calculate the solubility of silver sulfate in each of the following. 0.30 M K2SO4
Sunday, December 4, 2011 at 7:41pm by Bill

Chemistry
4 O atoms per sulfate ion x 3 sulfate ions = 12 O atoms in all.
Tuesday, December 6, 2011 at 9:26pm by DrBob222

chemistry
use dimensional analysis to find how many moles of nitrate ions are in 40.0 mL of a 0.75 M aqueous solution of aluminum nitrate
Monday, August 22, 2011 at 9:57pm by M

Physics
What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The orbital period around the Sun is 88 days.)
Tuesday, October 9, 2007 at 12:00am by Dante

Physics
Mercury has a density of 13600 kg/m3. At what depth in millimetres is the pressure in mercury equal to that of standard atmospheric pressure? (take std pressure= 101 Pa)
Wednesday, February 15, 2012 at 6:21am by Kaiz

Physics
Mercury has a density of 13600 kg/m3. At what depth in millimetres is the pressure in mercury equal to that of standard atmospheric pressure? (take std pressure= 101 Pa)
Wednesday, February 15, 2012 at 6:50am by Kaiz

Chemistry
How can you do an experiment and not know if something dissolved or not? Calcium sulfate is the only one that is not VERY soluble. And calcium sulfate is not nearly as insoluble as many compounds.
Friday, September 25, 2009 at 6:43pm by DrBob222

Chemistry
Both calcium sulfate and magnesium sulfate can form hydrates with water. Could white anhydrous CaSO4 or MgSO4 be substituted for anhydrous CuSo4? Why or Why not?
Sunday, September 26, 2010 at 8:44pm by HELP!!!

Chemistry
If you have 250 mL of 2 M of sodium sulfate diluted to make 0.500 M of sodium sulfate, how would you figure out the volume?
Tuesday, April 10, 2012 at 7:13pm by Julia

physics
A clear plastic tube with a diameter of 12cm and 110cm high is filled to the top with mercury. (density = 13.6 kg/m^3). There are three holes, all with a radius of 2 millimeters located 15cm from the bottom, 50cm from the bottom and 80cm from the bottom. A) What is the ...
Thursday, February 7, 2013 at 12:08am by dave

Chemistry
Mercury vapour is used in as the dominant species which is excited in a traditional fluorescent light. The first and second excited states of Mercury occur at 254 and 185 nm. (a) Calculate the energies of each of these transitions.
Friday, March 26, 2010 at 2:58am by Mary

science
Yes, the liquid expands when temperatures increase. Nowadays, though, mercury is not allowed to be used. Other substances which work like mercury are used. home.howstuffworks dot com/therm1.htm
Tuesday, December 3, 2013 at 11:08am by Anonymous

Chemistry
When ammonium chloride is dissolved in water, the solution becomes colder. What can you say about the relative magnitudes of the lattice energy of ammonium chloride and its heat of hydration? Why does the solution form? What drives the process?
Monday, September 20, 2010 at 8:37pm by Samantha

Chemistry
Drops of mercury, water and naphtha (lighter fluid) are placed on smooth flat surface. The mercury drop is almost a perfect sphere. The water drop is a flattened sphere. The naphtha however spreads out over the surface. What do these observations tell you about the cohesive ...
Tuesday, July 7, 2009 at 4:34pm by Mohammedabbas

A.P. Environmental Sciences
.5 grams of pure copper sulfate powder and 2L of water were used to create a copper sulfate solution with a concentration .5ppm. How was this done?
Wednesday, October 10, 2012 at 12:20am by Michelle

science
Both of these thermometers were designed to rise and fall as they expand or contract with changes in temperature. One major difference is that alcohol thermometers will only rise when on site with the temperature to be read, where as a mercury thermometer needs to be shaken if...
Sunday, December 7, 2008 at 4:06pm by Sophia

chemistry
256 WHAT column of mercury? Is that inches, feet mm, miles? The density of mercury is 13.6 g/cc. The density of water is 1.00 g/cc.
Monday, October 18, 2010 at 1:03pm by DrBob222

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

Chemistry
Neither is correct. Note that compounds are neutral. So if Ag is +2 and SO4 is -2, what must the formula be. The name is silver sulfate. Sulfate is SO4^-2 and sulfite is SO3^-2.
Monday, March 9, 2009 at 7:32pm by DrBob222

Chemistry
If a 0.875 gnsample of barium chloride is dissolved in water and then treated with a sodium sulfate solution, how many grams of barium sulfate precipitate should be collected?
Monday, July 29, 2013 at 11:34am by Colby

Chemistry
Yes. It is a little more complicated than that. Did you know this is one of the earlest synthesis reactions in chemistry, it was done over 5000 years ago to make blue pigments. Solid copper sulfate is difficult to get, but copper sulfate pentahydrate is rather common, this is ...
Monday, April 6, 2009 at 1:09pm by bobpursley

science
if a thermometer contained a gram of mercury, how much would the volume of the mercury change when the temperature rose from 0 degrees celcius to 30 degrees celcius?
Monday, November 1, 2010 at 9:58pm by james

physics
With density g/cm3 copper 8.93 silver 10.5 mercury 13.6 will a block of copper or silver float higher in mercury in liquid form? Thank you.
Sunday, April 24, 2011 at 6:47pm by Loui

chem
The air pressure is lower; i.e., the column of air pushing down on the "dish of mercury" is lower which means the mercury in the glass tube can't rise as high.
Saturday, April 21, 2012 at 7:27pm by DrBob222

Chemistry
If a solution containing 52.044 g of mercury(II) chlorate is allowed to react completely with a solution containing 15.488 g of sodium sulfate, how many grams of solid precipitate will be formed? How many grams of the reactant in excess will remain after the reaction? I have ...
Sunday, October 13, 2013 at 2:25pm by Chelsea

Chemistry
You use 11 ml of a 1M H2SO4 solution to titrate 6ml of ammonium hydroxide solution. What was the concentration of the ammonium hydroxide solution?
Friday, December 3, 2010 at 7:46pm by Eddie

chemistry
1. 15.0 g of sodium sulfate are dissolved in water to form 400.0 g of solution. The density of the solution is 1.056 g/mL at 25oC. a. What is the mass percent (%(w/w)) of sodium sulfate? b. What is the molarity of sodium sulfate? c. What is the molarity of the sodium ion? d. ...
Monday, June 13, 2011 at 9:28pm by josh

Chemistry
How do you calculate the standard enthalpy change for the reaction of an aqueous solution of barium hydroxide, Ba(OH)2, with an aqueous solution of ammonium nitrate, NH4NO3, at 25 degrees C? The complete ionic equation is: Ba2+(aq) + 2OH-(aq) + 2NH4+(aq) + 2NO3-(aq) ---> ...
Tuesday, April 2, 2013 at 10:06pm by Lisa

chemistry
You need to know the formula for silver nitrate which is AgNO3 Then you work out the MR of silver nitrate = 108+14+(16x3) = 170 Then you work out the MR of the nitrogen contained in silver nitrate. There is just one nitrogen atom so it would be 14. Then you need to work out ...
Tuesday, February 8, 2011 at 8:53am by Gemma

Chemistry
According to the principle of electrical neutrality, a water sample must have the same number of anions and cations. Assuming that a water sample contains 40 mg/L of chloride, 100 mg/L sulfate, and 10 mg/L nitrate, estimate the maximum amount (in mg/L) of sodium that could be ...
Wednesday, April 29, 2009 at 5:36pm by Caleb

Sciene
Mercury is 13.6 times more dense than water. If a container can hold 20g of water, how much more massive would an equal volume of mercury be?
Wednesday, September 29, 2010 at 10:33pm by Steve

science
Mercury, a metal that is liquid at room temperature, has a density 13.5 times the density of water. How many pennies could your boat hold if we were floating it in mercury instead of water?
Tuesday, January 14, 2014 at 7:38pm by Samantha

in-organic chemistry
provide balanced equations that represent the thermal decomposition of sodium nitrate and calcium nitrate; compare and comment on the products of each reaction.
Saturday, August 27, 2011 at 1:08pm by bulelwa

volume
A thermometer containing 8.4 {\rm g} of mercury has broken. If mercury has a density of 13.6 {\rm g/mL}, what volume spilled?
Friday, January 28, 2011 at 3:09am by Anonymous

Chemistry
The density of liquid mercury is 13.5 g/cm cube. What mass of mercury (in kg) is required to fill a hollow cylinder having an inner diameter of 2.00 cm to height of 25.0 cm?
Wednesday, January 27, 2010 at 9:50pm by Suzanne

chemistry
If the amount of mercury in a polluted lake is 0.40 ug/mL, what is the total mass of mercury in the lake? (The lake has a surface area of 100 mi squared and an average depth of 25 ft).
Monday, September 12, 2011 at 11:45pm by Elle

chemistry
The Ksp for silver sulfate (Ag2SO4) is 1.2 10-5. Calculate the solubility of silver sulfate in each of the following. A)water B)0.14 M AgNO3 C)0.33 M K2SO4 the answer in mol/L
Friday, December 2, 2011 at 2:43pm by melissa

Physics
First you need to look up the period of rotation of Mercury. It is a rather slow rotator, locked to three rotations per two orbits about the sun. That make the sidereal rotation period 58.6 days. (That is NOT the length of a Mercury day). Next you need the mass of Mercury to ...
Wednesday, November 11, 2009 at 11:55pm by drwls

Chemistry
A solution containing 7.00grm of lead nitrate is combined with a solution containing 7.00g of sodium sulfate. (a) write a balance equation for the reaction. Pb(no3)2 aq + NaSo4 aq ---> PbSo4 +2 NaNo3. I think thats right. (b)How many moles of the the product are formed? Is ...
Tuesday, March 9, 2010 at 4:09am by Mike

Earth Science
Please and Thank you. Mercury is 13.6 times more dense than water. If a container can hold 20g of water, how much more massive would an equal volume of mercury be?
Wednesday, September 29, 2010 at 10:59pm by Steve

Chemistry
The velocity of light is 1.86 108 mi/hr. The distance of Mercury from the Sun is approximately 5.78 107 km. How many minutes will it take for light from the Sun to travel to Mercury?
Thursday, February 3, 2011 at 1:45am by Ang

Chemstry
Mercury concentration in a polluted lake is 0.0125 micrograms/L. What is the total mass in kilograms of mercury in the lake if the lake is approximately circular witha diameter of 10 miles and an average depth of 50 ft.?
Wednesday, August 31, 2011 at 11:11pm by Gabrielle

chemistry
Some distilled water is added to an empty beaker. A gram of copper(II) nitrate is added to the beaker with stirring. After a few minutes, what is in the beaker? a. solid copper(II) nitrate and water b. nitrogen gas, copper atoms, electrons, and water c. a sticky material of ...
Friday, January 28, 2011 at 7:27pm by john

chem
yes Fe(NH4)2(SO4)2 is the ferrous ammonium sulfate. here is the procedure, if you can try to figure it out that'll be great thank you! 1. prepare and label the following solutions: a.10g of ferrous ammonium sulfate dissolved in 30mL of water containing 2 drops of 6M H2SO4 b. ...
Friday, February 13, 2009 at 9:22pm by Natash

bio physics
A 2.80kg block of copper with a height of 0.250m and an area of 1.26 X 10^2 is floating in a tub of liquid mercury. How far from the surface of the mercury is the bottom of the block? Hint: you need to start with Newton's second law
Wednesday, April 24, 2013 at 1:07pm by Anonymous

PLANET MERCURY-science
What color is the planet Mercury?
Monday, November 13, 2006 at 7:01pm by Yasmine

chemistry
Convert 125 g ammonium sulfate to moles. moles = grams/molar mass. Using the coefficients in the balanced equation, convert moles (NH4)2SO4 to moles NH3. Now convert moles NH3 to grams. g = moles x molar mass.
Wednesday, March 31, 2010 at 1:05am by DrBob222

chemistry
And you are correct. When calculating molar mass Fe(NO3)3 it is atomic mass Fe + 3*mass NO3^-. And for Mg(NO3)2 it is atomic mass Mg + 2*mass NO3^-. I don't see that we used the molar mass of either of these substances in this problem. The problem asks for molarity of the ...
Tuesday, December 14, 2010 at 4:16pm by DrBob222

College Chemistry
The value of ΔGf at 25C for gaseous mercury is 31.85 KJ/mol. What is the vapor pressure of mercury at 25C? [Hint: calculate the Kp for the reaction Hg(l)=Hg(g)]
Monday, December 6, 2010 at 12:19pm by alice

chem
Copper sulfate is a blue solid that is used as an algicide. Solutions of copper sulfate that come in contact with zinc metal such as the surface of galvanized (zinc-plated) steel- undergo the following reaction that forms copper metal on the zinc surface: CuSO4(aq)+Zn(s) ---&...
Monday, October 5, 2009 at 12:56pm by Anonymous

Chemistry - Science
A 6.70 g sample of a binary mixture of silver (I) nitrate and sodium nitrate is completely dissolved in water to make a solution. Aqueous barium chloride is then added to this solution in excess to form 3.60 g of silver chloride solid. What is the percent by mass of silver ...
Tuesday, March 25, 2014 at 6:28pm by Anonymous

chemistry
Ammonium carbonate decomposes upon heating according to the following balanced equation: (NH4)2CO3(s)-->2 NH3(g)+CO2(g)+H2O(g) Calculate the total volume of gas produced at 25 C and 1.07atm by the complete decomposition of 11.86 g of ammonium carbonate.
Friday, April 16, 2010 at 4:12pm by jason

Chemistry
Ammonium carbonate decomposes upon heating according to the following balanced equation: (NH4)2CO3(s)-->2 NH3(g)+CO2(g)+H2O(g) Calculate the total volume of gas produced at 25 C and 1.07atm by the complete decomposition of 11.86 g of ammonium carbonate.
Friday, April 16, 2010 at 4:29pm by Zoe

Chemistry
Ammonium carbonate decomposes upon heating according to the following balanced equation: (NH4)2CO3(s)-->2 NH3(g)+CO2(g)+H2O(g) Calculate the total volume of gas produced at 25 C and 1.07atm by the complete decomposition of 11.86 g of ammonium carbonate.
Friday, April 16, 2010 at 4:30pm by Zoe

chemistry 1c
Did you omit the arrow? I assume the first line holds the reactants and the second line holds the products. Convert 2.000 g of the iron ammonium sulfate hexahydrate to mols. Convert 13 mL of the 1 M oxalic acid to mols. Determine the mols of the product formed FROM EACH of the...
Wednesday, July 2, 2008 at 5:37pm by DrBob222

Chemistry
1.If the atmosphere can support a column of mercury 762 mm high at sea level, what height of water could be supported? The density of water is approximately 114 that of mercury.Answer in units of mm 2.If the atmosphere can support a column of mercury 762 mm high at sea level, ...
Sunday, March 2, 2014 at 9:07pm by Alex

chem
From the equation 1 mole of copper yields 1 mole of the nitrate. calculate number of moles of copper from number of moles od Cu = mass/atomic mass of Cu this will be the same as the number of moles of the nitrate. Thus mass of nitrate = number of moles of Cu x molecular mass ...
Wednesday, September 15, 2010 at 10:40am by Dr Russ

Chemistry
A buffer solution of pH=9.24 can be prepared by dissolving ammonia and ammonium chloride in water. How many moles of ammonium chloride must be added to 1.0 L of .50 M ammonia to prepare the buffer?
Sunday, February 13, 2011 at 11:35pm by Kate

physics
The speed of Mercury in orbit is V = 2 pi R/(period). Your conversion of the period to seconds is incorrect. You have apparently converted it to minutes. Use R = 5.80 10^10 meters as the distance of Mercury from the sun.
Sunday, March 7, 2010 at 11:34pm by drwls

science
You are designing a scale model of the solar system mercury it is 4,878 km in diameter.using the following scale factor, how large does your model of mercury need to be? A. 160cm B. 16cm C.146cm D.30cm
Wednesday, January 26, 2011 at 7:42am by walter

Chem URGENT!
You have written the word equation. If you want the symbol equation it is Ni + Pb(NO3)2 ==> Ni(NO3)2 + Pb And in the word equation, probably you should have lead(II) nitrate and nickel(II) nitrate read as "nickel two nitrate" and "lead two nitrate".
Tuesday, March 11, 2008 at 1:52pm by DrBob222

chemistry
Convert 228 g NH4NO3 to moles. Moles equal grams divided by molar mass. Using the coefficients in the balanced chemical equation convert moles ammonium nitrate to moles nitrogen, moles water, and moles oxygen. Add moles of each to obtain total moles. Remembering that one mole ...
Monday, January 7, 2013 at 8:34pm by DrBob222

physics
Which of the following objects will float in a tub of mercury? a. a solid gold bead b. an ice cube c. an iron bolt d. 5 mL of water The three less dense materials will float on mercury. Look up the density of all four.
Tuesday, May 8, 2007 at 9:42pm by Anonymous

AP Chemistry
1.A compound consists of 65.45% C, 5.492% H, and 29.06% O on a mass basis and has a molecular mass of 110 g/mol. Determine the molecular formula of the compound. 2. What is the formula weight of iron (II) sulfate? Answer in units of g/mol. 3. What is the % nitrogen by weight ...
Saturday, September 22, 2012 at 12:37am by Timmy

AP Chemistry
The solubility of sodium nitrate is 32 grams in 50.0 grams of water at 60 degrees C. If 60 grams of potassium nitrate are mixed with 50.0 grams of water, determine the percentage of sodium nitrate that remains undissolved.
Wednesday, January 23, 2013 at 3:26pm by Katelyn

AP Chemistry
The solubility of sodium nitrate is 32 grams in 50.0 grams of water at 60 degrees C. If 60 grams of potassium nitrate are mixed with 50.0 grams of water, determine the percentage of sodium nitrate that remains undissolved.
Wednesday, January 23, 2013 at 3:32pm by Katelyn

chemistry
%sulfate = (mass sulfate/mass sample)*100 = ?
Thursday, October 13, 2011 at 10:26pm by DrBob222

Health/ Basic Clinical Procedures
please check my answer thanks true or false Mercury glass thermometers are being repalced by disposable,and digital thermometers mainly because the riskof mercury posoning I said true
Monday, April 21, 2008 at 9:39pm by Helana

Chemistry
Yellow CdS pigment is prepared by reacting ammonium sulfide with cadmium nitrate. What mass of CdS can be prepared by mixing 2.50 L of a 1.25 M Cd(NO3)2 solution with an excess of (NH4)2S? Cd(NO3)2 + (NH4)2S ---> CdS + 2NH4NO3 Could someone give me a step by step ...
Thursday, April 29, 2010 at 12:10am by Ana

Chemistry
OK. But great, I think I've interpreted my entire experiment incorrectly. So the magnesium and sulfuric acid combination is soluble, and no precipitate forms. Now let's say I added sulfuric acid to calcium sulfate. Would this be soluble with no precipitate forming? A little ...
Wednesday, December 3, 2008 at 3:31pm by DrBob222

Physics
Coefficient of volume expansion of some liquids(a/˚C) Alcohol=1.1x〖10〗^(-4) Glycerin=5.0x〖10〗^(-4) Water=3.7x〖10〗^(-4) Ether=1.63x〖10〗^(-4) Mercury= 1.1x〖10〗^(-4 A glass flask is completely filled w/ ...
Sunday, December 8, 2013 at 5:43pm by Angela

chemistry
2Hg+O2=2HgO if 50.0 grams of mercury reacts with 50.0 grams of oxygen gas, how many grams of mercury(ii)oxide are produced?
Friday, February 14, 2014 at 2:23am by mom

science
Calculating A sample of barium nitrate is placed into a jar containing water. The mass of the barium nitrate sample is 27 g. Assume the water is at 20 C and that the resulting barium nitrate solution is saturated. What mass of water is present in the jar? Use Figure 8-2 to ...
Wednesday, December 21, 2011 at 12:21am by diane

Chemistry
what is the difference between the sulfite and sulfate anions? Sulfate is SO4 2-. Sulfite is SO3 2-. sulfate is SO4= sulfite is SO3=
Friday, January 5, 2007 at 7:24pm by Dennis

solubility graph
A mass of 30 f of potasium nitrate is dissolved in 100 cm3 of water at 100gC. How many more grams of potassium nitrate must be added to saturate the solution?
Monday, November 10, 2008 at 5:38pm by tony

Chemistry
When 0.046 moles of lead(II) nitrate are dissolved in enough water to make 485 milliliters of solution, what is the molar concentration of nitrate ions? Answer in units of M.
Thursday, September 23, 2010 at 8:42pm by Cheyenne

Chemistry
When 0.016 moles of lead(II) nitrate are dissolved in enough water to make 748 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M.
Monday, October 11, 2010 at 10:48am by Mike

Chemistry
When 0.083 moles of lead(II) nitrate are dissolved in enough water to make 617 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of
Sunday, October 2, 2011 at 7:20pm by Rara

Chemistry
For the following chemical reaction, what mass of silver nitrate in grams will be needed to produce 3.91 mol of calcium nitrate? CaI2+2AgNO3=2AgI+Ca(NO3)2
Monday, October 7, 2013 at 8:41pm by Noelle

Chem
How many moles of ammonium ions are in 8.794g of ammonium carbonate? I got .1832 as an answer and I was told that I was very close and I just may have done some kind sigfig or calculation error but I have no idea what it is since I did this problem so many times only to get ...
Sunday, September 16, 2012 at 7:31pm by Ezra

chemistry
Nickel2 sulfate is produced when elemental nickel metal is dissolved in sulfuric acid to make nickel2 sulfate. Hydrogen gas is also released in the process. what is the balanced equation for this chemical reaction?
Monday, April 25, 2011 at 8:30pm by chemdumby

Chemistry
Ferric ammonium sulfate is Fe3(NH4)2(SO4)3. Look up the molar mass,multiply by 0.0025 to get the moles needed for a liter of solution. Since there are 3 moles Fe^+3 per mole of Fe3(NH4)2(SO4)3, divide by 3 to find the amount necessary for moles Fe^+3, then divide by 2 since ...
Sunday, February 22, 2009 at 4:30pm by DrBob222

Chemistry
Note that one mole of the sulfate ion reacts with one mole of the barium ion. Number of moles of product (= number of moles of barium ion) = 5.0 g/ (RMM of barium sulfate) 5.0/233.40 = 0.0214 moles [note that this is less than 25 x 1.0/1000, the number of moles of barium ions ...
Friday, September 19, 2008 at 5:32am by Dr Russ

Chemistry; Please help
Write formulas for the following. 1. potassium hexacyanoferrate(III) 2. sodium hexafluoroaluminate 3. Pentaaquabromomanganese(III) sulfate 4. hexaamminechromium(III) nitrate 5. sodium tetrahydroxochromate(III) 6.trans-dichlorobis(ethylenediamine)cobalt (III) chloride 7....
Wednesday, January 26, 2011 at 12:17am by Sharon

chemistry
2.00mL of 0.01 mol/L aqueous sodium sulphide is used to test a 50.omL sample of water containing 0.0005 mol/L mercury (II) nitrate ions. What mass of precipitate is formed? Na2S + Hg(NO3)2 --- 2NaNo3 + HgS determine limiting reactant using limiting reactant, calculate the ...
Friday, August 13, 2010 at 8:53am by Kelsey

chemistry
calculate the volume in milliliters of 3.6 mol/L sodium nitrate solution that contains 325 mmol of sodium nitrate
Tuesday, March 8, 2011 at 3:20pm by Mal

Chemistry-please help quick!!
Write a balance equation for alluminium nitrate and draw an atomic structure for alluminium nitrate...
Friday, June 15, 2012 at 9:29pm by Gidix

Chemistry
What mass of silver nitrate is dissolved in 40.0 mL of a 0.400 M solution of silver nitrate?
Monday, December 6, 2010 at 5:28pm by Ivy

physics
A u-shaped tube, open to the air on both ends,contains mercury. Wather is poured into the left arm until the water column is 10.0 cm deep. How far upward from its initial position does the mercury in the right arm rise?
Wednesday, November 24, 2010 at 1:16am by nathan

chemistry
How much aluminum nitrate can be found when 12 g of aluminum react with lead(II) nitrate? Answer in units of mol
Sunday, January 22, 2012 at 7:48pm by lynn

Chemistry
How many mL of a stock solution of 2M potassium nitrate would you need to prepare 100mL of .150 M potassium nitrate?
Wednesday, May 16, 2012 at 8:08pm by Lis

solubility graph
What termprature is necessaty in order to dissolve twice as much of these solids in 100 cm3 of water as can be dissolved at 20gC a. sosium nitrate b. potassium nitrate c. sodium chloride
Monday, November 10, 2008 at 5:04pm by tony

AP Chemistry
When 0.055 moles of lead(II) nitrate are dissolved in enough water to make 803 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M.
Wednesday, September 19, 2012 at 8:26pm by Lacey

PLANET MERCURY-science
wut color is the planet mercury? is it orange or gray? The color of Mercury is always described as leaden in books source http://www.mindspring.com/~jeffpo/innbody.htm www.nrao.edu/~smyers/courses/astro11/L18.html That is a color photograph.
Monday, November 13, 2006 at 7:01pm by CALLIE

Is anyone here a chemistry genuis?
I haven't worked the problem; however, I have a few observations to make. Paragraph 1 is all you need to identify M; but, I question the numbers. The formate ion has an ionic mass of 45 and two of them makes 90. Thus the molar mass of M(CHO2)2 is M + 90. When M forms the ...
Friday, April 9, 2010 at 12:49am by DrBob222

physics
The specific heat of mercury is .03cal/g*C, and it's boiling point is 357*C. The specific heat of water is 1 cal/g*C. It takes 65 calories of energy to vaporize one gram of mercury and 540 calories to vaporize one gram of water. If both substances begin at about 22*C does it ...
Wednesday, January 25, 2012 at 8:31pm by Angel

chemistry
if 2.0 grams of sodium sulfate are mixed with 2.0 grams of calcium chloride to produce calcium sulfate as a precipitate, which compound is the limiting reactant
Saturday, October 19, 2013 at 11:51pm by Anonymous

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