Sunday
May 1, 2016

# Posts by Beautiful

Total # Posts: 16

spanish
can someone please tell me if my spelling is correct Acción de Gracias es mi familia y yo de vacaciones favorito . Mi abuela tiene cinco hijos y veintitrés nietos y contando. Así que venga de Acción de Gracias a todos nos gusta juntarnos por lo ...
December 16, 2014

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. ...
March 5, 2007

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.
March 5, 2007

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/(...
February 26, 2007

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.
February 25, 2007

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
February 25, 2007

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 ...
February 24, 2007

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. ...
February 24, 2007

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 ...
February 23, 2007

I don't know the subject maybe writing
February 23, 2007

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...
February 23, 2007

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 ...
December 21, 2006

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...
December 21, 2006