Science & Mathematics - 30 December 2007

2007-12-30 16:43:21 · 11 answers · asked by Anonymous in Earth Sciences & Geology

2007-12-30 16:43:09 · 12 answers · asked by MARIE D P 1 in Mathematics

Two chlorine molecules will cobine to form a Cl2O2 molecule (Cl-O-O-CL).

A) What will be the molecular structure? (the molecule contains an oxygen-oxygen bond). Include bond angles where appropriate.

B) What is the hybridization for each atom in your model that is bonded to two or more atoms???

2007-12-30 16:38:35 · 2 answers · asked by Anonymous in Chemistry

how many grams of acid are needed to react with 75.0 grams of iron (II) sulfide ore which contains 30.0% inert material?

please provide the formula for me

2007-12-30 16:33:22 · 4 answers · asked by <3youu! 2 in Chemistry

i had to do a lab in chemistry where we find out the amount of calories in junk food and we compare it to what the company claims it has ..

for cheetos i found out that there's about 3.6 cal per gram. i looked at the nutritional facts and the label says that there are 5 cal per gram. i was just wondering whether the label's value was in cal or kcal .. if it is in cal, then my calculation came pretty close .. i just have to take the experimental design flaws into consideration to justify why the values are not identical .. however, if the value 5 was in kcal, then my calculations are just totally off.

same goes for kitkat and ruffles << the other two food samples we tested.

ive read on a site that most of the time, the amount of calories on food labels are in kcal. i just want to make sure if that is the case for every single one of them.

i hope the values are in cal and NOT kcal. coz that means my calculations are pretty close >.<

thanks in advance!!

2007-12-30 16:32:59 · 6 answers · asked by tokyo_drift 2 in Chemistry

Why would god of made animals like lions and crocodiles that they're design is to kill, many of these types of animals have stomach's that are designed to digest meat rather than digest plant matter.

2007-12-30 16:32:12 · 8 answers · asked by tystonge 2 in Biology

can someone define it in an easily understandable way. thanks! =)

2007-12-30 16:29:40 · 12 answers · asked by Anonymous in Physics

Flights around the country like Severe Weather like thunderstorns and tornadoes like that and why do they post Flight delays when nothing in falling from the sky and nothing is in the states. Are there any Flight delays right now. If so how many minutes are they delayed for.

2007-12-30 16:28:44 · 2 answers · asked by weather export 19 3 in Weather

I say first you know all 5's end in 25 when you square them. then you look to see the number begins with 2 so you got 225 then you square 20 to get 400 add them together and you get 625. what do you say.

2007-12-30 16:27:30 · 9 answers · asked by JV 2 in Mathematics

2007-12-30 16:27:04 · 11 answers · asked by MARIE D P 1 in Mathematics

2007-12-30 16:24:11 · 3 answers · asked by Mar G 2 in Astronomy & Space

1) cell walls and chloroplasts
2) ribosomes and endoplasmic reticula
3) lysosomes and genes
4) nucleotides and mitochondria

2007-12-30 16:21:55 · 5 answers · asked by WordIsBond 5 in Biology

2007-12-30 16:21:21 · 8 answers · asked by Anonymous in Zoology

which mitotic phases (prophase, metaphase, anaphase, and telophase) last the longest, and which the shortest? please rank them in order of time duration. if you can cite your sources, that'd be great. thanks.

2007-12-30 16:20:12 · 4 answers · asked by NBA Str8 Balla 1 in Biology

2007-12-30 16:19:15 · 36 answers · asked by MARIE D P 1 in Mathematics

I am puzzled by the concept of the big bang. Let me ask 3 questions.
1. Let's say at 1 million years after the big bang, what was the size of the universe? I presume that it was "smaller." If i were alive then would distance "feel" the same as today? I would assume that a mile back then would be "less" than today but could I PERCEIVE that difference since everything would be "scaled" to a smaller universe??
2 Did the universe occur "everywhere", ie. come into existence, at once? In other words, did the furthest matter form at the same time as the Earth's matter? If so, did it form at its current location or did it migrate there over the eons? I am trying to parse the difference between "true" distance between points in space vs. distance as a result of expansion of matter within the universe as a result of space itself expanding.
3. Is the universe expanding into the 5th dimension since there is no "center" to this expansion and expansion is occurring to everything everywhere?

2007-12-30 16:17:33 · 6 answers · asked by silversides27 2 in Astronomy & Space

write a balanced equation describing the reaction of aluminum metal with concentrated aqueous sodium hydroxide. thankyouuuu...i appreciate it.

2007-12-30 16:15:53 · 3 answers · asked by me 2 in Chemistry

2007-12-30 16:15:25 · 6 answers · asked by Doobie 2 in Astronomy & Space

wow i hav never seen a tornado! anyway oput of curiosity, can you die from a tornado?

2007-12-30 16:06:26 · 7 answers · asked by ♥nelson♥ 2 in Weather

what bond order should be observed for the sulfur-oxygen bond in the sulfur dioxide molecule???

2007-12-30 16:04:43 · 5 answers · asked by Anonymous in Chemistry

And we have over 6 billion now... do you have a theory as to what will happen when the 10 million mark is reached?

2007-12-30 16:04:22 · 7 answers · asked by Ballerina Butterfly Queen 5 in Physics

before global warming and other looming disasters on the horizon make life to complicated for such ideals?

2007-12-30 16:04:05 · 4 answers · asked by Ballerina Butterfly Queen 5 in Physics

1) Living matter is unable to diffuse materials.
2) Living matter is able to control chemical activities with organic catalysts.
3) Living matter is able to create energy.
4) Living matter is unable to use energy for metabolic activities.

2007-12-30 16:02:46 · 4 answers · asked by WordIsBond 5 in Biology

2007-12-30 15:59:14 · 4 answers · asked by Anonymous in Other - Alternative

i know that it's made of plant remains, but are there any animals in it?

2007-12-30 15:56:38 · 10 answers · asked by Anonymous in Earth Sciences & Geology

In reference to hormones, and well as basic structure.

2007-12-30 15:56:07 · 7 answers · asked by gamecock320 2 in Biology

ALuminum hydroxide is amphoteric and will dissolve in both acidic and basic solutions. Write balanced hcemical equations representing each process. thankyou..i appreciate it.

2007-12-30 15:49:39 · 3 answers · asked by me 2 in Chemistry

2007-12-30 15:44:44 · 2 answers · asked by Anonymous in Chemistry

i need it as so0n as possible plz..be4 10:00

2007-12-30 15:43:54 · 10 answers · asked by MiNNi3 2 in Biology

As in how does it affect humans?Body change,growth ect.

2007-12-30 15:41:24 · 14 answers · asked by Anonymous in Biology