Chemistry - September 2006

2006-09-15 02:19:27 · 6 answers · asked by john v 1

2006-09-15 01:55:04 · 3 answers · asked by Anonymous

Give its applications in inorganic chemistry ?

2006-09-15 01:35:12 · 4 answers · asked by bilal w 1

WHY IS AIR CONSIDERED TO BE A MIXTURE? aND ALSO, IF I WANTED TO SEPERATE NITROGEN AND OXYGEN FROM EACH OTHER, HOW COULD I aCCOMPLISH THAT TASK??( THIS IS H.W. PPL PLZ HELP!)THANKS

2006-09-15 01:10:43 · 14 answers · asked by Anonymous

2006-09-15 00:45:20 · 5 answers · asked by gulfam n 1

there is a unknown chemical reason H2O is made sombody tell me even my science techer couldn;t explain.

2006-09-15 00:16:51 · 13 answers · asked by Anonymous

2006-09-14 22:57:57 · 3 answers · asked by rahul_bhatt11 1

why do ions emit varying colors when subjected to heat?
what does it have to do with Neils Bohr's atomic model?

2006-09-14 22:50:13 · 5 answers · asked by hardcore 1

We have an investigatory project which includes adding pine needle ash to bricks to make them more durable.Now, we are wondering if which has more adhesive property, green pine needles or brown ones? Please...please help.and if you know the answer to my question or if you want to give information regarding our investigatory project, just e-mail me at gp_ominous_warlock_angel@yahoo.com. or hash_014@ yahoo.com. Gee, thank you.

2006-09-14 22:49:01 · 3 answers · asked by just asking 1

at present there are 118 elements discovered .. so 7 th group is incomplete . s'pose some more elements are discovered will they be placed in 7th group itself or will they be another seprate group for it?

thanks
tom

2006-09-14 21:43:52 · 6 answers · asked by remo 2

2006-09-14 21:27:02 · 5 answers · asked by MBK 7

2006-09-14 19:19:02 · 7 answers · asked by toto 1

Thank you guys so much. Chemistry is a nightmare (and only 2.5 weeks in...). Why does it fill "d" before "s" (I though "s" was filled first)?
Thanks in advance to anyone who can solve my petty, trival problems. ^_^

2006-09-14 17:56:24 · 4 answers · asked by starrynight107 3

A piece of aluminum metal weighs 32.4 g in air and is placed in liquid mercury. What volume of the aluminum will be below the surface of the mercury? Density of aluminum = 2.70 g/mL
Density of mercury is 13.5 g/mL
u have to use sig. figs in all parts
how do u solve it?

2006-09-14 17:45:37 · 7 answers · asked by questioner 2

2006-09-14 17:17:53 · 10 answers · asked by Erik R 1

in making hand cream with stearic acid,lanolin,mineral oil and triethanolamine,why is it important not to boil the mixture?

2006-09-14 17:10:16 · 1 answers · asked by theowlery_hedwig 2

2006-09-14 16:49:33 · 9 answers · asked by Janet C 1

what materials would you use, what information would you need to have, what kind of procedures would you use, etc.? thanks in advance

2006-09-14 16:25:04 · 7 answers · asked by sxe_afi_fallchild 1

(if someone could tell me how they got their answer, that would be great) thanks in advance

2006-09-14 15:50:19 · 5 answers · asked by sxe_afi_fallchild 1

How many moles of each of the following are present in 0.26 mol aluminum dichromate?
aluminum?
chromium?
oxygen?

2006-09-14 15:20:17 · 3 answers · asked by No Know 4

2006-09-14 15:11:07 · 12 answers · asked by luc_91_18 1

Because, like your salivs and the acid in your stomach breaks down the food (reacitvity with acid), and eats at it to turn it inot a soup...(changes states--a physical change) From solid to liquid, back ot solid, or to a thinner liquid.

2006-09-14 15:08:47 · 10 answers · asked by Psychedelic Worm 3

The specific heat of a substance os 0.335 J/g K and its molar mass os 106 g/mol. Find its molar heat capacity.

2006-09-14 14:36:31 · 2 answers · asked by nadoracing 1

2006-09-14 14:31:05 · 5 answers · asked by led zeppelin 1

2006-09-14 14:27:19 · 20 answers · asked by Anonymous

what gas fills the bubbles released from a newly opened coca cola? where does it come from?

2006-09-14 14:18:53 · 2 answers · asked by Anonymous

Equal masses of two liquids are mixed to give a solution of density 1.0374 g /mL. If the density of the first liquid is 0.9408 g/ mL, calculate the density of the second liquid in g /mL and round to the correct number of significant digits. Assume that the volumes are additive.

2006-09-14 13:40:57 · 4 answers · asked by Anonymous

Everyone says that they make glue from horse. If so, how and what parts do they use? Can glue be made from any animal?

2006-09-14 13:31:24 · 11 answers · asked by whiterook 3

does boiling cause it to lose it's sweetness?

2006-09-14 13:13:25 · 6 answers · asked by mmmm17 2

What is absolute zero. (I thought) I pretty sure that it's like -734 or something close to it, but in 100%. If you really know Chemistry, can you help me out?
Thanks.

2006-09-14 12:43:21 · 10 answers · asked by ariel 2