Thursday
July 24, 2014

Posts by Beautiful


Total # Posts: 15

Help now please, Chemistry
How many grams of oxygen can be produced by heating 10.0g of mercury (II) oxide? Sulfuric acid is added to 8.10g of magnesium, how many grams of hydrogen are set free? I'll do the first. You do the second by following the first as a guide. 1. Write the balanced equation. 2...

Chemistry
How many grams of oxygen can be produced by heating 10.0g of mercury (II) oxide? Sulfuric acid is added to 8.10g of magnesium, how many grams of hydrogen are set free? Answered abovd.

chemistry
how grams of oxygen can be produced from the decomposition of 100g KClO3? how much iron can be recovered from 25.0g of Fe2O3 how can be produced from 125g Ag2S Figure the precentage composition of the compound. For instance percent of Fe in Fe2O3 = 2*atomicmassFe/(2atomicmassF...

Chemistry
is there such a thing as HOH yes, i'm pretty sure there is but i can't say i'm totally sure. sorry. HOH is another way of writing water. H2O is the convential formula, however, when balancing equations, HOH is very convenient when the OH travels as a polyatomic ion.

Chemistry
The question says Sufuric acid reacts with Aluminum hydroxide by double replacement. I have the reactant side I just need the product side because I need to know does aluminium replace Hyrdrogen, really confused see Ms J question above

Chemistry
This problem of the limiting reactant is: Given the reactant amounts specified in each chemical reaction, dtermine the limiting reactant in each case: (I'm just going to take one problem out of the bunch} HCl + NaOH yeilds NaCl + H2O 2.00 2.50 mol mol (answers have to be i...

Chemsitry
How do yuo find the amount in moles of excess reactant that reamins Please retype that, minding your spelling. =) Can you please show me how to determine the amount in moles of excess reactant that remains Sorry about the mistakes =) This is part of an excess reagent problem. ...

To Jiskha
I have one question: Whatever happened to the Instant Messaging thing which helped me alot when I was doing my homework? I wish that you could put it back on. My friends and I which I recommended to the site loves the message boards but they are not fast enough and when there ...

I don't know the subject maybe writing
what is a working bibliography and how do you write one http://writing.colostate.edu/guides/trad_research/intro/pop2e.cfm http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=working+bibliography&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as...

Writing
I am writing an introduction for a history fair project, my thesis is approved all I need to know is hoe my form of my introduction should go. You know where to put the thesis and where to start off and how to be a,b, and c where it needs to be. A good introduction, whether to...

plz help now, chemistry
How do you write chemical formulas? For example how so you right a chemical formula for calcium fuoride? Calcium flouride would be CaF2 This is because .. Calcium symbol - Ca Flourine symbol - F you would write CaF BUT you must consider charges calcium has a 2+ charge and Flou...

Chemistry
I have a series of questions: The mass of 2.00 moles of Sodium chloride is how many grams? Can you please ahow me how you got your answer? How do you write chemical formulas? For example how so you right a chemical formula for calcium fuoride? For your first question ... grams...

Plz answer quickly
Do you know where I can recieve Instant messaging tutoring for free becuase you guys used to have it but now you don't You can try http://pathwhelp.org/live_help/ That is the only site I know, and they are not always open.

Geometry
Hi, I have a quick question that needs to be answered: If plywood came in pieces that measure 8feet by 4feet, how many pieces of plywood are need to cover the roof (which has a base of 42 feet and a height of 25 feet)? I would also like to ask you is it possible that you expla...

Chemistry
Can yuo please answer this question: Both water and carbon dioxide are triatomic molecules. Explain why one of these molecules is polar and the other is nonpolar? Carbon dioxide is linear :C::O::C: and therefore has no net electrical dipole. Water is a bent molecule , so the O...

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