Science & Mathematics - 27 January 2007

i heard they dont. if thats the case then what happens to them?

2007-01-27 04:35:35 · 35 answers · asked by sandyscheeks 2 in Biology

2007-01-27 04:34:15 · 5 answers · asked by Olivia 4 in Mathematics

i did these problems, and i want to check with someone to make sure they are right

1. Indicate if the following processes requires heat for the process to occur.
a. C6H12O6 + O2---> CO2 + H2O + Heat
b. Making ice cubes
c. Formation of snow in clouds
d. Evaporation of water
e. A candle flame

3. Under what conditions can the equilibrium point change?

4. Match the terms with their definitions.
enthlapy, activiation, entroy, concentration, spontaneous process

A) a physical or chemical change that occurs with no outside intervention
B) the minimum energy needed to start a chemical reaction
C) quantity specifying the amount of disorder or randomness in a system bearing energy
D) measure of the heat content of a chemical or physical system
E) measure of the relative proportion of two or more quantities in a mixture

6. Equilibrium happens through spontaneous processes without any outside forces acting on the system.
True or False

2007-01-27 04:33:51 · 3 answers · asked by nice too meet you. 4 in Chemistry

I mean come on did god really created us this way? Did he want us to be punished by human kind when we do something legal? How come god can't punish us when we did something? It's pretty weird to me just like dna everybody either has the same in the same family or different from everybody else WEIRD HUH! Can someone please give me some answers Thank you so much

Take care..

Bye Liz

2007-01-27 04:31:36 · 10 answers · asked by Elizabeth O 2 in Other - Science

-Jim's weekly pay is two thirds of Alicia's. Together they earn $800 per week. What is each person's weekly pay?

-If one side of a square is increased by 8 cm and an adjacent side is decreased by 2 cm, a rectangle is formed whose perimeter is 40 cm. Find the length of a side of the square.

-The sum of the measures of the angles of a pentagon is 540 degrees. The degree of measures of the angles of a pentagon are consecutive even integers. Find the measure of the largest angle.

2007-01-27 04:26:10 · 8 answers · asked by sillentfeline 1 in Mathematics

2007-01-27 04:25:07 · 28 answers · asked by Doug 2 in Mathematics

I read a few books and most of them say that without us humans earth will be great and still lives on, is it true? Are we actually causing all the problems?

2007-01-27 04:25:00 · 31 answers · asked by Anonymous in Earth Sciences & Geology

2007-01-27 04:22:14 · 3 answers · asked by Doug 2 in Mathematics

2007-01-27 04:22:02 · 4 answers · asked by Bruno S 3 in Mathematics

john hunt

2007-01-27 04:20:43 · 7 answers · asked by j 1 in Physics

2007-01-27 04:19:11 · 4 answers · asked by hash 1 in Chemistry

http://www.ebaumsworld.com/2006/07/earthrelation.html
we are like ants, there are so many of us, we are worthless little humans!!!!!!!!! AGHH!!

2007-01-27 04:18:06 · 8 answers · asked by Anonymous in Biology

i know its odd

2007-01-27 04:16:50 · 3 answers · asked by imsoCOOL_bejealous 2 in Physics

-A cash register contains 18 quarters and dimes. Find the total value of the coins in terms of quarters, q.

-Two cars leave the same parking lot at noon, One car drives 30 mph faster than the second car, which is driving due west. At what time will they be 1200 miles apart?

-A collection of 30 coins worth $5.50 consists of nickels, dimes, and quarters. There are twice as many dimes as nickels. How many quarters are there?

-One half of the sum of three consecutive multiples of 10 is 90. What are the multiples of 10?

-Interest earned = Amount invested · Rate of interest. Larry has an annual return of $213 from $3000 invested at simple interest, some at 5% and the rest at 8%. How much is invested at each rate?

2007-01-27 04:15:15 · 3 answers · asked by sillentfeline 1 in Mathematics

2007-01-27 04:14:58 · 2 answers · asked by Olivia 4 in Mathematics

2007-01-27 04:13:23 · 9 answers · asked by Olivia 4 in Mathematics

possible solutions...

-9/4 < x < 15/4

-15/4 < x < 9/4

-8/3 < x < 16/3

-16/3 < x < 8/3

2007-01-27 04:12:14 · 4 answers · asked by Doug 2 in Mathematics

Given ABC, with A(-3,11) B(5,9), C(1,-3). Show, using relevant calculations, that the segment connecting the midpoints of AB and BC is half the length of AC.

Can someone help me with this question? Would I use the distance formula, midpoint formula?

2007-01-27 04:10:01 · 2 answers · asked by Anonymous in Mathematics

4x - 3y + 2 = 0

possible solutions....

4x + 3y - 2 = 0

4x + 3y + 2 = 0

4x - 3y - 2 = 0

2007-01-27 04:08:38 · 7 answers · asked by Olivia 4 in Mathematics

2007-01-27 04:03:31 · 4 answers · asked by berry3 1 in Biology

from net earnings of $740 per month, ginger elliot must spend $200 for her portion of the rent on an apartment she shares with two friends. what percent of her net income is her rent payment?

2007-01-27 04:03:18 · 3 answers · asked by Lynn D 1 in Mathematics

I thought I had the answer but my teacher said I was wrong.

I need to justify whether the given statement is always, sometimes or never true. I said never Theorem 5.9 What should the correct answe be?

In triangle JHK and Triangle LMN, if angle J is congruent to angle L, then HK is congruent to MN.

2007-01-27 04:01:32 · 4 answers · asked by brighton 3 in Mathematics

looking for a windchill chart to print off

2007-01-27 04:00:46 · 3 answers · asked by rider 1 in Weather

2007-01-27 04:00:25 · 2 answers · asked by mcknino 1 in Earth Sciences & Geology

2007-01-27 03:59:49 · 25 answers · asked by Anonymous in Astronomy & Space

2007-01-27 03:58:45 · 7 answers · asked by indu 1 in Earth Sciences & Geology

The tax rate on Harriet Walker's $80,000 vacation home is 20 mills. The property is assessed at full value. How much will Harriet Walker pay in taxes this year?

2007-01-27 03:58:01 · 3 answers · asked by Lynn D 1 in Mathematics

2007-01-27 03:57:45 · 5 answers · asked by gina s 1 in Mathematics

2007-01-27 03:54:56 · 8 answers · asked by sweetheart15 1 in Astronomy & Space

2007-01-27 03:53:17 · 1 answers · asked by Phoenix 1 in Biology