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Chemistry - September 2006

[Selected]: All categories Science & Mathematics Chemistry

2006-09-21 11:48:10 · 1 answers · asked by Anonymous

I've heared that the nuclear power is CLEAN
But I know that its spent fuel is DANGROUS for decades

so where are those dangrous stuff are kept???

2006-09-21 11:43:37 · 5 answers · asked by Mena 4

Ok Well I have a periodic table of elements but I'm confused about 1 thing. How do you find atomic mass?

2006-09-21 11:28:11 · 5 answers · asked by melmel_girl_11 2

2006-09-21 11:12:12 · 3 answers · asked by The Hero Of The World 1

Hey I just have no idea how to approach solving this problem and ANY help you can give me would be awesome! Thank you so much for your time!

2006-09-21 10:36:02 · 2 answers · asked by Lindsay P 1

-Hydroxide
-Carbonate
-Phosphate

2006-09-21 10:29:43 · 1 answers · asked by Anonymous

i have some physic questions about the law of conservation of matter and physical properties of water.

1. How does the distillation process apply to the Law of Conservation of Matter?

2. What are some physical properties you could use to describe a liquid?

Please help me!!

2006-09-21 09:54:03 · 6 answers · asked by k1ng_koopa713 3

Na +Cl --> NaCl
1 mole of sodium plus 1 mole of chlorine produces 1 mole of sodium chloride. Shouldn't that make 2 moles of sodium chloride? (1+1=2) I really don't understand this concept.

2006-09-21 09:18:18 · 6 answers · asked by Anonymous

2006-09-21 09:04:17 · 8 answers · asked by airjames023 1

2006-09-21 08:40:37 · 16 answers · asked by MegGC 1

contains 1% suplur by mass. If the power station burns 5600 tonnes of coal a day, what mass of sulphur dioxide gas is released into the air each day?

2006-09-21 08:15:43 · 5 answers · asked by harrj 1

i am doing it for my chemistry project... please hlp and thank you

2006-09-21 08:03:44 · 7 answers · asked by Model 3

2006-09-21 07:28:03 · 3 answers · asked by jeremy r 1

NaOh + HNO3
Pb(NO3)2 + H2SO4
CaCl2 + AgNO3
NaBr + AgNO3
NaBr + PbNO3
AgNO3 + H2SO4
Pb(NO3) 2 + CaCl2

2006-09-21 07:08:39 · 3 answers · asked by monkeyspeed13 1

2006-09-21 06:38:53 · 4 answers · asked by Stacie D 1

2006-09-21 05:57:35 · 9 answers · asked by Anonymous

My teacher did a Jelly Baby experiment today but the jelly baby got stuck in the test tube. How can we take the jelly baby out?

2006-09-21 05:56:58 · 8 answers · asked by SphinxEyez999 2

If you were to convert 96.95 cubic inches into cubic meters. What would the answer be?

2006-09-21 05:50:54 · 3 answers · asked by antihero1776 1

magnesium oxide + cabon dioxide ----->
MgO + CO2 -------->
Thank You!

2006-09-21 05:37:36 · 6 answers · asked by ant200506 2

2006-09-21 05:28:56 · 5 answers · asked by Ammu 1

A sample of metallic element X, weighing 4.316 g, combines with 0.4815 L of Cl2 gas (at normal pressure and 20.0oC) to form the metal chloride with the formula XCl. If the density of Cl2 gas under these conditions is 2.948 g/L, what is the mass of the chlorine?

also What is the atomic weight of X? What is the identity of X

2006-09-21 05:10:55 · 2 answers · asked by Anonymous

Cobalt(II) sulfate heptahydrate has pink-colored crystals. When heated carefully, it produces cobalt(II) sulfate monohydrate, which has red crystals. If 3.542 g of the heptahydrate yields 2.119 g of the monohydrate, how many grams of the anhydrous cobalt(II) sulfate could be obtained?

2006-09-21 04:55:32 · 3 answers · asked by Anonymous

formula for nitric acid is HNO3

2006-09-21 04:51:34 · 3 answers · asked by Anonymous

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