Science & Mathematics - 9 January 2007

2007-01-09 10:24:00 · 4 answers · asked by monkey241 1 in Chemistry

2007-01-09 10:22:54 · 2 answers · asked by monkey241 1 in Chemistry

I'm making an electrical shock for my science project. Help me please....and i need to know how to make a sensor

2007-01-09 10:22:47 · 6 answers · asked by forever143kandi08 2 in Engineering

2007-01-09 10:21:48 · 9 answers · asked by cutie_rose 2 in Geography

HNO3 + Mg(OH)2----> Mg(NO3)2 + HOH
and
Fe2O3 +CO-----> Fe + CO2

all the numbers are supposed to be little but I don't know how to do that on the computer. Anyway each time I try to balance it, I think I got it but I don't. Please help!

2007-01-09 10:21:39 · 3 answers · asked by Samantha Jo 3 in Chemistry

A brick patio is twice as long as it is wide. It is bordered on all sides by a garden 1.5m wide. Find the dimensions of the patio if the area of the garden is 54m squared. Please show work

2007-01-09 10:20:53 · 4 answers · asked by Anonymous in Mathematics

The locker family purchased a stereo system for $750 , made a down payment of $250 and paid 12 MONTHLY installations including 21% interest. Find the monthly payment.

2007-01-09 10:20:50 · 5 answers · asked by ♥ 6 in Mathematics

?

2007-01-09 10:20:45 · 3 answers · asked by Anonymous in Chemistry

2007-01-09 10:19:58 · 6 answers · asked by Jorge4 2 in Mathematics

I need to know math formulas that were invented in India (actually, preferbly* India)..including the time (year) and stuff.
thank you ^_^

2007-01-09 10:19:36 · 3 answers · asked by Kriti 2 in Mathematics

It is a planet

2007-01-09 10:19:17 · 8 answers · asked by RYAN N 1 in Astronomy & Space

I need the 10-year compound rate for the figures listed above. Please note the 4th, 5th and 6th figures are negative.

2007-01-09 10:19:07 · 1 answers · asked by k4bowman 1 in Mathematics

Picture the holding of the bike wheel while standing on the rotating platform scenario..... If you tilt the top of the wheel, you will be forced to the left or right... If you tilted the wheel to the left or right, would you feel an upward force or downward?

If so, why could you not build a levitating device using this technique?

2007-01-09 10:18:19 · 2 answers · asked by John R 2 in Physics

1.Name the following acids using both methods. (10 marks)

a)H3P (aq)
b)H2SO4 (aq)
c)H3N (aq)
d)H2CO3 (aq)
e)HClO4 (aq)

2. Name the following bases. (3 marks)

f)KOH
g)Mg(OH)2
h)NaHCO3

3.Write the chemical formula for the following compounds. (5 marks)

a)hydrochloric acid
b)sodium hydroxide
c)aqueous hydrogen sulfide
d)phosphoric acid
sulfurous acid

2007-01-09 10:17:53 · 2 answers · asked by Girlie 1 in Chemistry

2007-01-09 10:17:09 · 2 answers · asked by Linda 1 in Weather

2007-01-09 10:16:58 · 7 answers · asked by ben r 1 in Mathematics

because i heard about a alcoholic men who got very drunk, but ran out of drink, so staggered to the garage on the corner and tried to drink fuel..

2007-01-09 10:16:41 · 7 answers · asked by bender 1 in Biology

2007-01-09 10:16:10 · 6 answers · asked by Anonymous in Astronomy & Space

.........................

2007-01-09 10:16:10 · 4 answers · asked by Anonymous in Mathematics

2007-01-09 10:16:02 · 6 answers · asked by Anonymous in Astronomy & Space

2007-01-09 10:15:55 · 6 answers · asked by Linda 1 in Weather

Describe the difference between weather and climate.

2007-01-09 10:15:44 · 4 answers · asked by sunita s 1 in Weather

Formic acid, HCHO2, is a stronger acid than acetic acid, HC2H3O2. Is the formate ion, CHO2-, a stronger base than the acetate ion, C2H3O2-?

2007-01-09 10:14:38 · 3 answers · asked by sue08090487 1 in Chemistry

My daughter is a teaching assistant, today they were talking about the differences between indian and african elephant. One of the children asked if the two species can mate and if they did would they have medium sized ears. She was unable to answer the question can anyone help?

2007-01-09 10:13:16 · 10 answers · asked by mummylove 3 in Zoology

hi.
.
Today we were given a math question to do in groups and no one in the class understood how to do it.

http://img255.imageshack.us/my.php?image=dscf9671av8.jpg
.
It is question 16
.
This image is of the question. it requires a two-column proof.
This is section 6.1 in "Geometry for enjoyment and challenge Question 16
.
Please, if you can help, offer an answer.

2007-01-09 10:11:44 · 3 answers · asked by toodles_1399 1 in Mathematics

2007-01-09 10:11:19 · 12 answers · asked by johN p. aka-Hey you. 7 in Weather

by looking at the shown faces

please help asap! im really stuck on this one

2007-01-09 10:11:10 · 1 answers · asked by Zerro 2 in Mathematics

2007-01-09 10:10:36 · 5 answers · asked by uncledaddy 1 in Mathematics

2007-01-09 10:08:36 · 2 answers · asked by Fo-Shizzle 1 in Astronomy & Space

Its a science question that I have to write a paragraph on

2007-01-09 10:07:55 · 14 answers · asked by Anonymous in Mathematics