moles

You will need the specific heat (c) of steam and water, and the latent heat (L) of vaporization for water. First, work out the mass of 4.21 moles..

0.58 脳 10^24 molecules? 2.1077 脳 10^24 molecules? 2.1 脳 10^24 molecules? 5.8 脳 10^24 molecules?How many molecules of aspirin (C9H8O4) are in a sa..

Put it this way: do you have to convert number of cents into number of dollars, or can you just leave it? 35.5 mg Cl- is not one mole of Cl atoms..

How do you solve this?2H2O ---- 2H2 + O2 if you start with 2 mol of water, how many moles of hydrogen are produced?Four2H2O ---- 2H2 + O2 if you ..

show your work please!!A sample is found to contain 0.1871 g of Cu. How many moles of copper does the sample contain?Consider the equation moles ..

The specific heat capacity of solid water is 2.03 J g-1 oC -1 Use a negative sign in your answer if heat is removed.How much heat (kJ) must be r..

H20 is 18.01 g/mol. Multiply by four mols and you get 72.04 g.How many grams of water (h2o) do you have if you have 4 moles of water?H2O is water..

delta T = m x K delta T = 1.01 K for water = 1.86 (given in literature) So m (molarity of solution) must be = 1.01 / 1.86 = 0.543 M Moles in 101..

The specific heat capacity of solid water is 2.03 J g-1 oC -1How much heat (kJ) must be removed in order to change 1.86 moles of water at 49.0 oC..

I got rid of them by tearing up pieces of juicy fruit gum and laying it around their holes. It has to be juicy fruit, I suppose, because that spe..

? The specific heat capacity of solid water is 2.03 J g-1 oC -1 Use a negative sign in your answer if heat is removed.How much heat (kJ) must be ..

The sonic pest things seem to work very well. You bury them and they emit a sound that will chase most rodents away. Youll probably need several...

A. .96 mol B. 1.92 mol C. 3.84 mol D. 4.00 mol E. 5.72 molIf 3.84 mol Cl2 react with an excess of Si, how many moles of SiCl4 will be produced?b...

the specks are under my breast and are dark .and have a small white dry puss or something coming from some.i thought it was a heat rash at first ..

I KNOW they come from BIRTH, but what actually causes them ?Where do birthmarks come from ? And what is the difference between birthmarks and mol..

The specific heat capacity of water vapor is 2.01 J g-1 oC -1 Use a negative sign in your answer if heat is removed.How much heat (kJ) must be r..

The heat capacity of water is 4.184 J/(K g), so a 100 g sample with a change of 4掳 means a change in enthalpy of 4.184 J/(K*g) * 4K * 100 g = 167..

use conversion factors. for every mole, there are 6.022 x 10 ^23 (exponent) particles. multiply the original number of moles by 6.022 x 10^23, an..

It is just a fact of aging. If you have over 50 moles on your body, go to the doctor and have them checked out. Examine them each month at the sa..

1 mole = 6.02 *10^23 atoms ( Avogadros number)How do i find the number of atoms, if i am in moles?by using avogadros number eg: 2moles * 6.02*10^..

The molar mass of Barium is 137.33 g/mol. Divide the mass of Barium reacted by the molar mass to obtain the number of moles of Barium reacted. 2...

6Li(s) + N2(g) --------------- 2Li3N(s)How many grams of Li3N can theoretically be produced from 2.13 moles of Li?From periodic table, a mole of ..

since NaBH4 has 4 H麓s and to go from a ketone to an alcohol you need 2 H麓s, u can reduce up to 2 moles of ketone with 1 mol of NaBH4 (assuming re..

show work42.0 liters of SO2 gas are collected at STP. How many moles are there in this amount?At STP, one mole of gas occupies 22.414 L. So, 42.0..

I answered this question a day or two ago. Convert moles to grams, then calculate the heat in three steps: - Cool the water to 0 C. - Freeze it. ..

Two different sections of the lawn...maybe 15 x 20 areas.I live in Atlanta, GA and my Bermuda grass is infested with Moles. How do I get rid of t..

108 grams atomic mass stands for atomic weight. basically its the number in the periodic table which dosent have decimal points. the atomic numbe..

Ive had them frozen at the dermatologist but they have come back. Im really frustrated but I dont think that theyre going to stay away.Please hel..

multiply the moles by the number 6.02 x 10^23.....altho it would be a very big and unmanageable number but thats how u find it

Please help me big science project due tomorrow.How many grams are in two tablespoons of H2O, and how many moles is that?2 tablespoons have 6 tea..

Is 0.0046 M correct? Thanks!What is the molarity of a solution prepared by dissolving 0.0142 moles of sodium iodide in 3.10 L of solution?moles s..

I recently had a mole removed on my breast because it was irregular and while it wasnt cancerous, my doctor thought it was best to remove it so i..

Ive had a mole on my forearm for my entire life (not sure if it was there when I was born, but probably not!) Its not really changed, but has som..

Ok so lately I have been buzzing my hair short and I really like this style. The thing is I have 2 bigger moles on my scalp and I would like to h..

Im currently a 17 year old male with about 4 moles on my face that I would like removed purely for COSMETIC reasons. They make me feel self-consc..

Ive had a mole on my cheek since I was about 6 that has gotten bigger and darker as Ive aged. Im now 16 and its a bout 6mm in diameter. Im pretty..

I had two moles removed from my face about a month ago. They were both tested and they were both benign. it feels like they grew back. i dont kn..

A. if i spend 1 million dollars a day, how many days would it take me to spend 1 mole of dollars? B.If theaveragepenny in 2mmthick,how fartowards..

So there are 2 ways to remove moles. Shave them off with a skapel which doesnt make a deep cut but just shaves them off or use a cookie cutter li..

this is all the information i have: 1.Mass of chalk prior to writing飪?9.42g 2.Mass of chalk after writing飪?5.26g 3.Mass of chalk used飪?9.42-5.26=..

I. 2Mn2+ + 4OH- + O2(g) ---- 2MnO2(s)+2H20 II. Mn02(s) + 2I- + 4H+ ----- Mn2+ + I2(aq) + 2H2O III. 2S2O32- + I2(aq) ----- S4O62-+2I- (a) Accordin..

My life has been destroyed by moles on my face. I have 14 dark brown or black moles on my right side of my face and 10 on the left side. I have m..

How many grams of NaBr were added....? At 37.0C, the vapor pressure of 355 g of water was reduced from 6.20脳10鈭? atm to 5.20脳10鈭?atm by the addi..

How do I calculate the volume occupied by one mole of gas? This is the proportionality equation: average moles / 100 mL = 1 mole / (volume of 1 ..

i allrady got the mole(0.808) For each of the following unbalanced equations, indicate how many moles of the second reactant would be required to..

Hello! Im doing these chem 11 moles worksheets but these three questions sparked out as hard. When I try to solve them in neat calculations I get..

I have these 2 moles on my body that I am so self concious about that I wont even take my shirt off in front off ppl. one is right below my colar..

1.What is the mass of one mole of sulfuric acid? 2.How many moles in 3.00 g H2SO4? 3. How many moles in 12.0 g CH4? 4.How many moles in 3.40 x..

How do you convert the moles of a compound to moles of each element? Then convert that to atoms of each element. EXAMPLE: NaCl mass=0.1033 molar ..

PLease help! Some amazing people just helped me on how to do NaCl but how do you do it if the compound is like C12H22O11? Find moles of compound,..

and one mole of H2O gas react to form one mole of CO and three moles of H2 At T = 1500 Kelvin , Kp = 11000 atm2 If two moles of CH4 and two mole..

Ive been researching over the internet and have found a few ways in which to naturally remove a mole. 1. Castor oil and baking soda mixed togethe..

10 points to whomever can help answer these questions! Show me how you would set up the problems. I tried the first three and Im not sure if the ..

13) Moles of molecules---Moles of Atoms How many moles of chlorine atoms are there in 4 moles of calcium chloride? 15) Grams---Atoms How many ato..

Butane, C4H10 is a common fuel for heating rural homes in areas not serviced by natural gas sources. The equation for its combustion is: 2 C4H10 ..

Once upon a time there were three moles, father mole, mother mole and a baby mole. They were all visiting a large mole hole. Father mole was in f..

HELP!!! my teacher asigned us holiday homework no im not asking u to do all my homework for me.. just this section, i wasnt there for the whole l..

a) 1.08 b) 0.54 c) 0.27 d) 0.81Which gives the moles of ions released when 0.27 mol of iron (III) nitrate, Fe(NO3)3, is dissolved in water?its fr..

I need to know this for a chemistry review paper Im doing. Thats all the information they give us. Is there anyway that you could help?How do I f..

I have a little mole/birthmark right by one of my nipples. My ex bf thinks its cute, but im afraid a lot of guys will think its weird. If you saw..