Wednesday

August 31, 2016
Total # Posts: 949

**Sciece (chemistry)**

Sodium Chloride NaCl can be made by the reaction of sodium with chlorine. Balanced equation: 2Na(s)+Cl2(g)=2NaCl(s) Calculate the maximum mass of sodium chloride which could be obtained from 92g of soium?
*September 25, 2007*

**math**

The smallest non-palindromic number whose square is a palindrome?
*September 24, 2007*

**math**

The number of feared by Pythagoreans, since it lies halfway between the only two integers that can be both the perimeter and the area of the same rectange
*September 24, 2007*

**math**

The smaller of two triangular numbers whose sum and difference are also triangular numbers?
*September 24, 2007*

**Help**

The number of days in a lunar cycle
*September 24, 2007*

**help**

The number of days in a lunar?
*September 23, 2007*

**math help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

The smallest abundant number?
*September 23, 2007*

**math**

The number of feared Pythagoreans
*September 23, 2007*

**math (tiles)**

4
*September 22, 2007*

**world history**

False, in the mid 1800s, Ireland experienced a great potatoe famine and many died and others moved to America.
*September 18, 2007*

**maths**

PLS HELP!!!! Some children were sharing oranges. If each child took 3 oranges, there would be 2 oranges left over. But if each child took 4 oranges, there would be 2 oranges short. How many oranges were there?
*September 1, 2007*

**Maths**

PLS HELP!!! Some children were sharing oranges. If each child took 3 oranges, there would be 2 oranges left over. But if each child took 4 oranges, there would be 2 oranges short. How many oranges were there?
*September 1, 2007*

**Maths**

Some children were sharing oranges. If each child took 3 oranges, there would be 2 oranges left over. But if each child took 4 oranges, there would be 2 oranges short. How many oranges were there?
*September 1, 2007*

**Science**

What is a science fair topic for high school that is not too hard? Thank You
*August 28, 2007*

**Math(Geometry)**

7 is the first letter of the term so O is 1 T is 2 and so on
*August 22, 2007*

**Algebra II**

The inverse of f(x) is h(x). The composition of f and h is written f[h(x)]. What does f[h(x)] equal? Hint: Think of a simple problem like f(x) = x + 3. Then the inverse, h(x) would be h(x) = x - 3. What would the composition f[h(x)] equal in this example? f(h) means the ...
*July 23, 2007*

**Algebra**

What would three points on a graph be, graphing the x and y intercepts, with the equation -x + 3y = -9? The x and y intercepts are what you get when plugging in y=0 or x=0. For a third point, you can choose any other x or y value you want and compute the other coordinate
*July 13, 2007*

**history**

I have a History project, and I have to ask a person questions emigrating from their country to America. Can someone give me websites that have questions to ask? Thank you for using the Jiskha Homework Help Forum. Just take the interrogative/question words and make up your OWN...
*May 29, 2007*

**Chemistry**

Right firstly entropy is 125.7j/molk. Thus it is 0.1257kj/molk. Now try using the legendre relationship again an you should get an answer of -233.5KJ/mol, which is the same as you get if you calculate it with gibbs free energies of formation. Hope this helps - have fun with ...
*May 16, 2007*

**MATH**

Which number is an irrational number? a) ã3 b) -13.5 c) 7/11 d) 1/ ã9 What is the definition of an irrational number? Since this is not my area of expertise, I searched Google under the key words "irrational number" to get these possible ...
*May 10, 2007*

**MATH**

Find the digits that represent the letters E, F, G, and H to satisfy the following puzzle. Each letter represents a different digit. EFGH x 4 = HGFE 2178 x 4 = 8712
*May 10, 2007*

**Physics**

A) Pressure=Force/Area 101,300=F/pi(.023)^2 Solve for f, then plug F into F=kx. k=4100 solve for X B)work=change in enegy, measure SPE (spring potential energy) SPE=.5Kx^2 X is the answer from part A
*April 24, 2007*

**math**

What kinds of products are manufactured to be parabolic? Name some things that can be elliptical. Parabola: satellite dish, headlights ellipse: The “whisper chamber” in the United States Capitol is an ellipse, stand at one focus and whisper, and anyone at the other ...
*April 16, 2007*

**crime**

indictment and information are 2 ways in which the accused can be informed of a charge.What is a third way? is it presentment?
*April 15, 2007*

**physics**

Zero, a hypothetical planet, has a mass of 3.0*10^23 kg, a radius of 3.0*10^6 m, and no atmosphere. A 10 kg space probe is to be launched vertically from its surface. (a) If the probe is launched with an initial kinetic energy of 5.0*10^7 J, what will be its kinetic energy ...
*April 8, 2007*

**ICT**

i have been given a question to give an explanation of what logical improvements could be made to a current system to meet the requirements of a new information system...i was wondering what is actually meant bt a logical improvement? logical improvement: Something not ...
*March 10, 2007*

**history**

Why were hobos called what they were? After the stock market crashed what did people do with their stock? hobo 1889, Western Amer.Eng., of unknown origin, perhaps related to early 19c. Eng. dial. hawbuck "lout, clumsy fellow, country bumpkin." Or from ho, boy, a ...
*March 9, 2007*

**Chemistry**

How would I draw the abbreviated structural formulae of the products of the complete hydrolosis of this compound, CH3 O (=) N - C - CH - NH2 (-) (-) H CH3 CH3 Sorry about the drawing, the bonds in brackets should be vertical, thanks. We simply can't draw structures on the ...
*February 21, 2007*

**Chemistry**

Could anyone tell me what the structure of this polymer is ( I need to draw it), I also need to identify three monomer units, CH2 = CH - CH - OH ( CH3 Thanks
*February 19, 2007*

**Geography**

i got this geography project its a cross word could you help me because google and askjeeves is useless
*January 2, 2007*

**Math**

Imagine that a new operational symbol for mathematics has been developed. This symbol is ~ and is represented by: a~b=ab/a-b Using this new symbol, find the value of :(2~3)~4. Just plug in. 2~3 becomes 2*3/(2-3) = -1, and -1~4 becomes -1*4/(-1-5) = -4/-6 = 2/3
*December 6, 2006*

**Chemistry**

How do you write the combination of: Na2CO3 AgNO3 (CO3 -2) and (Ag=1) Thanks! This is a double displacement reaction. silver carbonate and sodum nitrate form.
*October 30, 2006*

**Math**

If you deposit $500 in the bank and if you are receving 5% intrest per year. How much your money will be after 5 years? Depends how often it is compounded. The formula is at the followiong link: http://www.studyfinance.com/lessons/timevalue/index.mv?page=03 all of it zwdqpxfh ...
*October 26, 2006*

**Ochem**

wel i just wanted to know the final answer or at least the equation. Here is my work V= (.234)(.082)(298)/760
*October 12, 2006*

**word unscramble**

pamouseen
*September 28, 2006*

**word unscramble**

it is a bird and the scrambled letters are abdhimnry
*September 28, 2006*

**US history**

What influence did the enlightenment have on colonial political thought? Use the searching techniques in the last post. For this one, you can try enlightenment influence colonial political or some variation. =)
*September 28, 2006*

**US history**

what influence did the english whig party have on colonial political thought? It looks as if what you need to do is learn how to conduct thorough and effective searches for yourself. That's what research is, and I'm sure that's what your teacher expects you to do...
*September 28, 2006*

**US history**

what role did benjamin franklin play in the disputes with england prior to the boston massacre? http://www.mrnussbaum.com/franklin.htm Read the last three paragraphs. =)
*September 28, 2006*

**physics**

A red train traveling at 72 km/h and a green train traveling at 144 km/h are headed toward one another along a straight, level track. When they are 950m apart, each engineer sees the other’s train and applies the brakes. The brakes decelerate each train at the rate of 1 ...
*September 17, 2006*

**physics**

What are the magnitude and direction of the particle’s acceleration? If a particle is moving along an x axis with a constant acceleration. Some points on the graph are (0, -2), (1,0), (2,6). I got 6 m/s to the right. is this correct? << got 6 m/s to the right. is ...
*September 17, 2006*

**physics**

A hoodlum throws a stone verticlly downwarsd with an inital speed of 12m/s from the roof of a building,30m above the ground a)How long does it take the stone to reach the ground? b)What is the speed of the stone at impact? What would be the 2 equations for this problem? a) ...
*September 11, 2006*

**science**

At a construction site a pipe wrench struck the ground wiht a speed of 24 m/s. a) From what height was it inadvertently fropped? b) How long was it falling? for a) the book said it was 29.4m and for b) it was 2.4s but I keep on getting the wrong answers. s=(1/2)gt^2 v=g*t g=9....
*September 11, 2006*

**physics**

You drive on an interstae 10 from San Antonio to Huston, half the [b]time[/b] at 55km/h and the other half at 90km/h. On the way back you travel half the [b]distance[/b] at 55km/h and the other half at 90km/h. What is your average speed from San Antonio to Houston What is your...
*September 10, 2006*

**science**

You drive on an interstae 10 from San Antonio to Huston, half the [b]time[/b] at 55km/h and the other half at 90km/h. On the way back you travel half the [b]distance[/b] at 55km/h and the other half at 90km/h. What is your average speed from San Antonio to Houston What is your...
*September 10, 2006*

**KEYBOARDING**

1. A 2. B 3. D 4. A 5. A 6. A
*August 1, 2006*

**Math**

determine the domain. express in interval notation. y = rt(x^2-7x+10) i know this much- y = rt[(x-5)(x-2)] now what do i do? If you mean by rt the square root of, then the domain is all positive values of (x^2 -7x + 10). So the answer to your question is when is that ...
*July 27, 2006*

**English - Parts of Speech**

In the sentence "He is projected to win," what part of speech is "to win"? I'm having trouble deciding between noun, adjective, or adverb... Thank you! he is going to win adverd 6th grade. I don't know how to do this can you help me please...
*August 18, 2005*