Science & Mathematics - 26 September 2006

The word begins with the letter F.

2006-09-26 07:48:33 · 2 answers · asked by sim 1 in Botany

Some months back, I went thru a news stating that, 'a new planet has been discovered and there are existence of living beings. They look like humans with golden skin, 5 inch nose and with no hair. I do remember that they wear a long coat. The ESP is researching about this New Planet(Demigo/Demico/Temico...?).
Anybody who knows the fact can respond....

2006-09-26 07:47:09 · 28 answers · asked by dina 2 in Astronomy & Space

2006-09-26 07:42:41 · 12 answers · asked by Marcia B 3 in Medicine

what's the difference between P' V' and PV? In performing calculations within equations are they the same or considered different?
( meaning pressure and volume)

2006-09-26 07:41:34 · 2 answers · asked by dreamz 4 in Physics

every time my brother does someting or my mom yells at me, i scream loud.

2006-09-26 07:40:50 · 7 answers · asked by Anonymous in Other - Science

What hapens when this pair is in contact with another oxygen pair(molecule i think). Do they just bounce off each other or are they joined in some way. What as happened to this pairing when a single oxygen atom is joined to two hydrogen atoms to form water. Also if the atmosphere is 80% nitrogen and 20% oxygen (approx), is this air mixture classed as a compound?
Sorry to ask questions out of my depth, but it is distantly related to what I am studying. Thanks.

2006-09-26 07:38:35 · 8 answers · asked by anthony r 1 in Chemistry

2006-09-26 07:35:17 · 19 answers · asked by lorna m 2 in Other - Science

1. a set of data contains 10 negative numbers and 4 positive numbers. Which one of these statements must be true?
a. the mean is a negative number
b. the median is a negative number
c. the mode is a negative number
d. the range is a negative number



2. Which expression represents 270,000 written in scientific notation?
a. 270 x 10^3
b. 27 x 10^4
c. 2.7 x 10^5
d. 0.27 x 10^6

2006-09-26 07:30:08 · 9 answers · asked by JoAnna 2 in Mathematics

Perkins engines calculate fuel consumption for their Electropak generator engines as gallons per kilowatt hour. Typical generator fuel consumption is figured in gallons per hour, not gallons per kilowatt hour. Need help in the conversion.

2006-09-26 07:29:28 · 6 answers · asked by Anonymous in Engineering

How would you compare the sweetness of glucose, fructose,maltose and sucrose? and make it a fair test? any ideas? Thanks

2006-09-26 07:29:18 · 6 answers · asked by Carl 2 in Biology

In the cold my body has to burn more calories to keep me warm, but my basal metabolic rate decreases as my body "hunkers down" for survival. In the warm my body loses calories trying to keep me cool and my basal metabolic rate increases. But which burns more? Would I burn more calories sitting in a sauna or sitting in a cold room (assuming I sit still and do nothing)?

2006-09-26 07:26:36 · 9 answers · asked by Robert W 1 in Medicine

I know they have 8 legs, but how many knees

2006-09-26 07:23:28 · 16 answers · asked by flynnys 1 in Zoology

2006-09-26 07:23:17 · 11 answers · asked by roma r 1 in Chemistry

2006-09-26 07:22:19 · 11 answers · asked by isalkeld 2 in Chemistry

I mean diffrences between these words for using in grammar

2006-09-26 07:20:25 · 8 answers · asked by ** 100e ** 1 in Other - Science

2006-09-26 07:17:39 · 14 answers · asked by SheliaTurns 1 in Mathematics

2006-09-26 07:14:42 · 4 answers · asked by sweetness01201 2 in Physics

Part of a Biology Essay for AS. Any help will be greatly apreciated.

2006-09-26 07:12:58 · 9 answers · asked by tezzwilcox 2 in Biology

Explain specificity of enzymes based on the enzyme’s molecular structure.

2006-09-26 07:12:37 · 5 answers · asked by pixiedusk13 1 in Biology

What volume of 0.1500M KMnO4 would be required to react with 1.00g of formic acid, HCO2H, in acid solution? The unbalanced equation is:
MnO4(negative) + HCO2H ------> Mn2(postive) +CO2

Please can you tell me how to do and please show the steps how to do it...
your help is greatly appreciated.

Additional Details

1) the Mn2(positive) is like the power ( so 2+ is the power of Mn - so its like Mn to the power of 2)

2) MnO4(negative) === the negative is the power so its like --> MnO4 to the power of - (negative)....

2006-09-26 07:10:19 · 2 answers · asked by Anonymous in Chemistry

my teacher is an ******. i had a feeling of him hating me because i am indian. i do perfect in his class yet he says its not what he is looking for. i spent 5 hours on a report and didnt get more than someone who spent ten minutes. i thought he hated me and this was proved when i turned in 2 assignments which contribute alot to my grade and he marked a 0 on parentconnect. if i ask him why it is a 0 when i turned it in he will say he doesnt havet he assignments! i'm confused!!

2006-09-26 07:09:54 · 33 answers · asked by Anonymous in Biology

2006-09-26 07:09:35 · 10 answers · asked by blackdoves_x 1 in Biology

I understand how osmosis work, but how do organisms store useful sugars without upsetting th osmotic balance? Does anyone have any ideas? Thanks

2006-09-26 07:08:42 · 6 answers · asked by Carl 2 in Biology

and
Mg + N2 -->

2006-09-26 07:07:46 · 5 answers · asked by shellyeliz 2 in Chemistry

2006-09-26 07:06:55 · 9 answers · asked by mr ramzi 1 in Biology

2006-09-26 07:05:51 · 13 answers · asked by Tara 1 in Geography

The ? is :

1a. what is the mass of the air in a physics classroom that is 8.0 m wide, 10.0 m long, and 2.8 m high?(the mass density of air is 1.29 g/dm^3).

1b. If the mass density of lead is 11.4 g/cm^3, what volume would be occupied by the same mass of lead?


My work: ......since V=WxLxH and D=M/V

1a. 8.0m x 10.0m x 2.8m= 224m^3=V
1.29 g/dm^3= m / 224m^3
1.29 g/dm^3=.00129g/m x 224m^3= 2.9 x 10^-1 is the mass


1b. D=M/V
11.4g/cm^3=2.9 x10^-1g/m^3/V
11.4g/cm^3=.114g/m^3
so .114g/m^3 x V=2.9 x10^-1g/m^3
V=2.9x10^-1g/m^3 / .114g/m^3
V=2.54 g???

Am i right or did i make any mistake in units or calculations anywhere?

2006-09-26 07:05:26 · 2 answers · asked by dreamz 4 in Physics

In theory many theory's deny the possibility , however all theory is not fact until proven beyond question , accepted facts will always be subject to new theory and therefore are not un-questionable .

It seems to me that when the question of perpetual motion is raised , the only reasonable answer is "we don't know?"

2006-09-26 07:05:18 · 22 answers · asked by Anonymous in Physics

2006-09-26 07:04:13 · 7 answers · asked by Anonymous in Geography

why are enzymes referred to as biological catalysts.

2006-09-26 07:02:37 · 3 answers · asked by pixiedusk13 1 in Biology