Science & Mathematics - 3 January 2007

Anyone know how to write the net ionic equation for:

-Solid lithum oxide is added to distilled water
-Solutions of potassium hydroxide and propanoic acid are mixed.

2007-01-03 12:01:37 · 1 answers · asked by rachel 1 in Chemistry

2007-01-03 12:01:30 · 3 answers · asked by stacytalamantes@sbcglobal.net 2 in Biology

the basketball court is 46 ft wide and 84 ft long.the court has a border of 10 ft wide.the cost of hardwood floor is 9.00$ per square foot.how much will it cost to put a new floor on both the court and its border?

2007-01-03 12:00:14 · 4 answers · asked by Anonymous in Mathematics

the problem is-
James and thomas are in two cities which are 186 miles apart and travel toward each other. James' average rate was 32 mph and Thomas' average rate was 36 mph. if James started at 9:00am adn Thomas started at 9:30am, at what time did they meet?

if you could help me that would be AMAZING! thankyou

2007-01-03 12:00:06 · 2 answers · asked by love to help! 1 in Mathematics

the exact cell parts i need are these:
nuclear membrane
vacuole
endoplasmic reticulatum
cytoplasm
free ribosomes
chromosomes
mitochondria
lyosomes
plez help
if u dont want to help dont respond or just give me a site

2007-01-03 11:59:40 · 4 answers · asked by Anonymous in Biology

during a 3day fall sale, bathing suits were sold at a discount of 40%. If Tess paid $14.50 for a bathing suit during the sale, what was the regular price of the suit??

2007-01-03 11:57:59 · 21 answers · asked by ♥ 6 in Mathematics

2007-01-03 11:57:58 · 18 answers · asked by ???????????????? 1 in Chemistry

2007-01-03 11:55:36 · 4 answers · asked by Kage_Hikari 2 in Mathematics

how hot does the texas desert get? how often does it rain?

2007-01-03 11:54:48 · 2 answers · asked by Blissful 3 in Weather

2007-01-03 11:53:58 · 24 answers · asked by LISA V A 1 in Mathematics

2007-01-03 11:53:17 · 2 answers · asked by nauticaseven 1 in Mathematics

2007-01-03 11:50:26 · 7 answers · asked by Anonymous in Astronomy & Space

2007-01-03 11:49:37 · 3 answers · asked by Anonymous in Chemistry

2007-01-03 11:49:32 · 4 answers · asked by Ralph A 1 in Earth Sciences & Geology

This is for biochemistry

2007-01-03 11:47:30 · 1 answers · asked by clarisseimperial 1 in Chemistry

The most abundant gas in the atmosphere is:

2007-01-03 11:46:43 · 3 answers · asked by Anonymous in Earth Sciences & Geology

I think that it is mass x velocity, but I'm not sure, am I right

2007-01-03 11:46:36 · 4 answers · asked by Hot Chic 1 in Mathematics

2007-01-03 11:45:27 · 2 answers · asked by Anonymous in Earth Sciences & Geology

r2-s2/4r2+rs-5s2
how do u work this problem since the letters are squared.

2007-01-03 11:45:15 · 2 answers · asked by alyssa p 1 in Mathematics

2007-01-03 11:42:48 · 4 answers · asked by ツ 1 in Mathematics

2x+5k=6k2-3kx-6 solve for x
this is a algebraic fraction but i can't find a way to get x by itself.

2007-01-03 11:42:44 · 2 answers · asked by alyssa p 1 in Mathematics

Road signs...

what is a speed limit sign made of? Tin, Aluminum...what!?

2007-01-03 11:42:43 · 4 answers · asked by Deno 3 in Other - Science

2007-01-03 11:42:40 · 2 answers · asked by Anonymous in Other - Science

As uranium-238 decays it becomes lead 206. After 3.5 g of uranium decays for 1.125 time 10 to the 9th power, how many grams of the sample will be lead-206


EXTRA INFO- the half life for Uranium 238 is 4.5 billoin years

2007-01-03 11:41:41 · 2 answers · asked by Anonymous in Mathematics

2007-01-03 11:41:35 · 10 answers · asked by alex p 1 in Astronomy & Space

25c+15d/50c2+30d2
algebraic fractions

2007-01-03 11:40:30 · 3 answers · asked by alyssa p 1 in Mathematics

2007-01-03 11:40:08 · 4 answers · asked by Anonymous in Mathematics

Purchase: $100
Tax: $3
Rate of tax: ___

how do you find it???

2007-01-03 11:38:06 · 5 answers · asked by ♥ 6 in Mathematics

Please help me figure out this problem, 3x+y=6, I know it looks simple but im just having the hardest time figuring it out.

2007-01-03 11:37:54 · 9 answers · asked by princessfufu4ya 3 in Mathematics

How much heat will be transferred when 0.54 mol sulfur reacts with 0.75 mol oxygen according to the following equation?

2S(s) + 3O2(g) -->2SO3(g)
enthalpy change=-790kJ

How do you calculate when there are no grams given to you? Do you use sulfur or oxygen?

2007-01-03 11:37:29 · 1 answers · asked by Anonymous in Chemistry