Science & Mathematics - 1 December 2006

Which of the following statements are true for the reaction


Ca(OH)2(aq) + HCl(aq) -->




a) Water is a product

b) When balanced the coefficient of Ca(OH)2(aq) is 1

c) Ions cannot appear in the net ionic equation because they always cancel out on both sides of the equation

d) H+(aq) appears in the net ionic equation

e) Cl -(aq) appears in the net ionic equation



Examples of species are (aq) (s) (l) etc.

2006-12-01 00:34:22 · 5 answers · asked by Anonymous in Chemistry

drug clinical trials go from phase I to IV, are the phases for clinical testing of a medical device the same? if you have any information on relevant websites for testing and trial phases of a medical device i would really appreciate it.

2006-12-01 00:33:12 · 3 answers · asked by dobbie 1 in Medicine

A rotating merry go round makes one complete revolution in 4.0s. a) What is the linear speed of a child seated 1.2m from the center? What is her acceleration(give components)?

2006-12-01 00:33:10 · 2 answers · asked by Anonymous in Physics

2006-12-01 00:32:14 · 3 answers · asked by jessica_stay 1 in Biology

2006-12-01 00:31:31 · 2 answers · asked by jessica_stay 1 in Biology

2006-12-01 00:30:53 · 4 answers · asked by jessica_stay 1 in Biology

Unloading pump,
Piping,
Storage tanks,

2006-12-01 00:30:48 · 2 answers · asked by edasinga mathappan 1 in Engineering

well it is not really snowing but there was like freezing rain balls. there were almost 350 school closings last time i heard like 2 and a half hours ago. so do you have a snow day 2day? i have never had a snow day except once.

2006-12-01 00:30:39 · 11 answers · asked by U.wanna.battle.me?! 4 in Weather

2006-12-01 00:30:19 · 6 answers · asked by damodharan c 1 in Medicine

2006-12-01 00:28:22 · 2 answers · asked by damodharan c 1 in Medicine

Never saw this on Discovery Channel....

http://images.search.yahoo.com/search/images/view?back=http%3A%2F%2Fsearch.yahoo.com%2Fsearch%3Fp%3Dalligator%2Bgar%26toggle%3D1%26cop%3Dmss%26ei%3DUTF-8&h=483&w=275&imgcurl=billstclair.com%2Fblog%2Falligatorgar-head.jpg&imgurl=billstclair.com%2Fblog%2Falligatorgar-head.jpg&size=27.0kB&name=alligatorgar-head.jpg&rcurl=http%3A%2F%2Fbillstclair.com%2Fblog%2F030909.html&rurl=http%3A%2F%2Fbillstclair.com%2Fblog%2F030909.html&p=alligator+gar&type=jpeg&no=3&tt=636&fr=yfp-t-428

2006-12-01 00:27:57 · 3 answers · asked by Anonymous in Zoology

2006-12-01 00:24:56 · 17 answers · asked by omarkaiyum 1 in Earth Sciences & Geology

in mercury the last orbital?

2006-12-01 00:22:01 · 2 answers · asked by hemanth_b4u1 1 in Physics

2006-12-01 00:21:50 · 12 answers · asked by JoLLie 2 in Mathematics

Name sets of objects in the room as an example of each of the following:

1. two sets whose intersection is empty
2. two sets whose union contains more members than either set
3. two sets whose union is equal to one of the sets
4. two sets whose intersection is equal to one of the sets

2006-12-01 00:21:44 · 2 answers · asked by Anonymous in Mathematics

It means that, how does the molecular and cellular component of a tissue relate to the tissue properties.

2006-12-01 00:17:47 · 1 answers · asked by harriet w 1 in Biology

For example, without gravity pulling together dust etc. into a big enough body to give birth to fusion--and therefore to life giving stars--then what?

2006-12-01 00:13:00 · 12 answers · asked by darestobelieve 4 in Astronomy & Space

2006-12-01 00:07:46 · 12 answers · asked by Anonymous in Astronomy & Space

just trying to figure out that saying.

2006-12-01 00:07:14 · 12 answers · asked by doodle on the rocks 1 in Zoology

please show source where you found it.

2006-12-01 00:06:51 · 5 answers · asked by HolyDovePraise 2 in Geography

please show source where you found it

2006-12-01 00:01:28 · 3 answers · asked by HolyDovePraise 2 in Geography