Science & Mathematics - 28 January 2007

why is the head in neutral plus for Child CPR?
why is the head in neutral for infant CPR?

2007-01-28 12:02:33 · 5 answers · asked by gemma angel m 1 in Medicine

Working together can they wash the car in less than 16 minutes?

Please include the work so I can understand thnx a lot!

2007-01-28 12:02:30 · 8 answers · asked by Anonymous in Mathematics

why do people think mars could one day sustain life?

2007-01-28 12:02:18 · 3 answers · asked by Jeremy 4 in Astronomy & Space

what is the limit as x--> infinity of (14x^5 -81x^3-8x) / (112+31x^2-16x^4- 15x^5)? Also, what is the derivative of f(x)= (3x^5)e^x ?

2007-01-28 12:02:13 · 4 answers · asked by nyadastar 2 in Mathematics

... the frequency of the dominant allele?

Use the Hardy Weinberg theorem (p^2 + 2pq + q^2 =1) to solve this problem.

I don't know how to do that... help needed as soon as possible. THANKS.

2007-01-28 12:02:04 · 1 answers · asked by jhchiu2004 1 in Biology

2007-01-28 12:00:26 · 2 answers · asked by Anonymous in Biology

this is pre-algebra

2007-01-28 11:59:45 · 6 answers · asked by Anonymous in Mathematics

are we looking into the past, could it be that the star we took a picture of doesn't exist anymore....and ... if one exploded would we see a flash of light, when it reached us?

2007-01-28 11:56:50 · 5 answers · asked by Jerry 2 in Astronomy & Space

2007-01-28 11:55:35 · 1 answers · asked by nextpopstar2002 1 in Earth Sciences & Geology

We are getting A TON of snow in NE Ohio.

2007-01-28 11:54:36 · 14 answers · asked by MaryBeth 7 in Weather

2007-01-28 11:54:33 · 7 answers · asked by luvi 1 in Astronomy & Space

2007-01-28 11:52:56 · 3 answers · asked by iluvtheyanks2 2 in Botany

2007-01-28 11:52:25 · 3 answers · asked by svdspecialist 1 in Engineering

2007-01-28 11:52:02 · 3 answers · asked by iluvtheyanks2 2 in Botany

2007-01-28 11:52:00 · 2 answers · asked by Anonymous in Earth Sciences & Geology

what are the properties of the group?

2007-01-28 11:51:43 · 1 answers · asked by i<3mauro 2 in Chemistry

are bacteria visible if they are cultured in a petri dish??

2007-01-28 11:50:42 · 9 answers · asked by Anonymous in Biology

Can quantum laws be used to explain gravitation?

2007-01-28 11:50:26 · 7 answers · asked by yan 2 in Physics

what is the mode for 3.3, 4.7, 1.9, 7.6, 6.5

2007-01-28 11:49:22 · 4 answers · asked by Anonymous in Mathematics

I am trying to do a science project on hydrogen, but i want to know a good way to produce it effeciently, like making electrolysis more effecient or something like that.

If not this, do you have any other, unique ideas on a science fair project?

Thank you.

2007-01-28 11:49:17 · 2 answers · asked by Anonymous in Physics

What is the theoretical yield of silver chloride if 1.266g of calcium chloride are reacted w/ exces silver nitrate? Ans is 1.646g

i dont understand how they got this ans..so can somebody tell me how to do this prb thankz!

2007-01-28 11:48:33 · 2 answers · asked by pReCioUs_mE 1 in Chemistry

A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride: 2Li + F2 --> 2LiF. After the reaction is complete, what will be present?
I think I start by dividing 15 g by the molar masses, but is the molar mass
2 x amu of Li and 2 x amu of F?
Thanks

2007-01-28 11:45:16 · 2 answers · asked by Anonymous in Chemistry

2007-01-28 11:44:14 · 2 answers · asked by Anonymous in Mathematics

I learned this in 7th grade or something, but I can't remember...

2007-01-28 11:43:31 · 4 answers · asked by Kitty 3 in Mathematics

Is a zebra white with black stripes
or black with write stripes

2007-01-28 11:42:36 · 4 answers · asked by Anonymous in Zoology

It would be good for Mankind to achieve instead of killing each other like we are right now.

2007-01-28 11:42:29 · 3 answers · asked by Hewhomustnotbenamed 2 in Astronomy & Space

I need help with this chem prb!!!
I know the ans. which is 9.400 but i dont understand how they got this ans. cant figure it out :(
can someone tell me how to do this prb thankz!

2007-01-28 11:42:18 · 1 answers · asked by pReCioUs_mE 1 in Chemistry

How many odd 4-digit numbers, all of the digits different, can be formed using the digits 0-9 if the digit 5 must be included?

2007-01-28 11:42:06 · 4 answers · asked by acurran081789 1 in Mathematics

2007-01-28 11:41:18 · 2 answers · asked by fiona w 1 in Medicine

.... but gives very little heat during these times... but would look smaller in high noon, but would give off intense heat?

2007-01-28 11:40:18 · 6 answers · asked by beruto 2 in Astronomy & Space