Chemistry - April 2007

2007-04-25 06:59:34 · 3 answers · asked by Krystle C 1

For the following reaction the products are water and one other aqueous compound. What is this other product ?


KOH(aq) + HNO3(aq) -->

2007-04-25 06:57:27 · 3 answers · asked by garture 1

2007-04-25 06:51:35 · 4 answers · asked by Suzanne B 1

2007-04-25 06:47:45 · 3 answers · asked by Anonymous

I know its The Ideal Gas Law im just not sure how to do this problem.

2007-04-25 05:36:57 · 1 answers · asked by Anonymous

Does anyone know what makes them unique and also shows how they are the same? This has been on my mind for awhile.

2007-04-25 05:02:46 · 4 answers · asked by Mickey 1

What is the half-life in minutes of a radioactive nuclide if 1 frasl; 128th of the original sample remains after 54.0 min ?

2007-04-25 04:17:01 · 1 answers · asked by NeWYoRKnuT 2

I have 90.08 g/mol for molar mass, where do I go from there?

2007-04-25 04:02:25 · 4 answers · asked by mweber126 1

The heat of combustion for heptane is 4817 kJ/mol. How much heat would be released if 250kg of heptane undergoes complete combustion?

2007-04-25 02:14:32 · 2 answers · asked by taylor18brown 1

For both i need to find balanced formula equation, total ionic equation and net ionic equation.....help please!

2007-04-25 02:12:49 · 2 answers · asked by girly09 1

Arrange four acids(Ethanoic acid,Chloroethanoic acid,methanoic acid,benzoic acid) in descending order of acid strength and explain the difference of their acid strength

2007-04-25 02:04:00 · 1 answers · asked by Carmen from HK 1

C6H12O6(aq) + 6 O2(g) ------- 6 CO2(g) + 6 H2O(l)

Calculate the volume of CO2 produced at a body temperature(37Cdegrees) and 738 mmHg when 24.5-g of glucose is consumed in this reaction?

2007-04-25 01:57:09 · 4 answers · asked by tayblu 1

A single serving of Granny Goose Hawaiian Style Potato Chips has 70 Calories. Assuming that all of the energy from eating these chips goes toward keeping your heart beating, how long can these chips sustain a heartbeat of 80 beats per minute? NOTE: 1kcal ( kilocalorie)= 4.184 kJ (kilojoule) and each human heart beat requires 1 J (joule) of energy.

2007-04-25 01:48:53 · 3 answers · asked by taylor17brown 1

I need to show the balanced formula equation, total ionic and balanced net ionic equation
.............can i get help please

2007-04-25 01:47:25 · 3 answers · asked by girly09 1

Suppose your thermometer is off by 0.5 C i.e. it reads values that are 0.5 C higher. How would this affect the results in this experiment?

2007-04-25 01:43:23 · 1 answers · asked by smile 1

HELP PLEASE ;)
you see a bright flash and then flames during a class demonstration, is this an example of a physical change or a chemical change. Explain.

2007-04-25 01:07:05 · 6 answers · asked by Anonymous

Difficult or fun or what?

2007-04-25 00:17:06 · 10 answers · asked by Anonymous

2007-04-24 20:46:22 · 2 answers · asked by randy_nephro 1

if hair is considered as organic, can it be used as a fertilizer?

2007-04-24 20:42:50 · 4 answers · asked by sweet_candy 2

does brass contain copper?

2007-04-24 20:38:01 · 7 answers · asked by Anonymous

2007-04-24 20:24:41 · 2 answers · asked by mick 1

2007-04-24 20:21:00 · 2 answers · asked by randy_nephro 1

What type of reaction is this (combustion, precipitation, etc..)?

2007-04-24 20:10:30 · 2 answers · asked by Anonymous

2007-04-24 20:02:00 · 7 answers · asked by kirankumar s 1

2007-04-24 19:57:52 · 2 answers · asked by roy 1

2007-04-24 19:57:45 · 1 answers · asked by randy_nephro 1

2007-04-24 19:51:35 · 4 answers · asked by randy_nephro 1

2007-04-24 19:40:00 · 8 answers · asked by Anonymous

Hey so my chem prof gave us a list of coordination compounds to name (or to conversely derive formulas). I'm having trouble with a few... any help?

1. a. [Co(NH₃)₄(H₂O)(OH)]Cl₂
b. Na[Fe(en)(Cl)₄]
c. [Cr(NH₃)₆][Co(CN)₆]

2. Need to write the formulas for these:
a. Dichlorobis(ethylenediamine)ch... nitrate
b. Tetraamminezinc(II) tetrachlorocuprate(II)

Thanks for the help!!

2007-04-24 19:36:12 · 1 answers · asked by thesekeys 3

2007-04-24 19:31:28 · 1 answers · asked by dave t 1