Science questions and answers - page 31


What will happen...in 2012?

Does anyone here actually believe that the world will end in 2012? I do not, but I would like to see if someone can support their belief in it wit...
8 months ago with 21 answers.

Daylight savings time?

Why do we have daylight savings time?
8 months ago with 2 answers.

Stars and moon

Ahh help!. K so I need an observation/drawing of the moon/stars of the few last nightss please :s Can you give me some websites tat show the moo...
8 months ago with 1 answer.

PVC pipes

im about to glue some pvc piping and I need to know is it necessary to use pvc priming fluid before pvc cement and why? I know I already asked t...
8 months ago with 3 answers.

PVC Piping

im about to glue some pvc piping and I need to know is it necessary to use pvc priming fluid before pvc cement and why?
8 months ago with 1 answer.

This is the thermal decomposition of NaHCO3

what is the oppostie reaction of thermal decomposition
8 months ago with 1 answer.

science project on marss!!- due monday- pleeez helpp!!!

I decided to dooo my project 2 days before its dooo :/ but I neeed help because im going to my cuzins funeral, and after that im sleeping over my ...
8 months ago with 2 answers.

why are so many astronauts morman??

I hear 95 percent are.. what is sa morman. isnt it that religion where they dont watch tv and stuff.
8 months ago with 3 answers.

Sodium metabisulfite

is Sodium metabisulfite the same as sodium nitrate?
8 months ago with 2 answers.

aliens...are they real?

um I know this probalysssounds really weird and stupid...but I have always wondered are aliens real...?caus the internet...say they might be real.....
8 months ago with 16 answers.

chemical process calculation

A cooking pan with a diameter of 20cm is filled with water and covered with a 4kg lid.if the local atmospheric pressure is 101kPa,determine the tem...
8 months ago with 2 answers.

superheated vapor

Determine the specific volume of superheated vapor at 10MPa and 400 Celcius by using: (a)Ideal gas equation (b)Steam table (c)generalised compre...
8 months ago with 1 answer.

How to make your own Digicam Underwater Housing? Using See-through

How to make your own Digicam Underwater Housing? Using See-through plastic? Is there any Idea? How to prevent moisture?
8 months ago with 1 answer.

melting points

melting point of gold
8 months ago with 2 answers.

when my colored friend says 143 do not only I love you it means ?

I no people say 143 means I love you but my one only colorerd friend say its not the only thing it mean. so im confuse a lot now so I come to my w...
8 months ago with 5 answers.


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