Questions and Answers About: chemistry

Questions and Answers About: chemistry

What are DNA, RNA and NA are, and what is the purpose of each in nature?

posted on: 2010-04-26 13:36:46

posted by aaron11(8)

What is a mineral?

posted on: 2009-09-01 14:45:46

posted by DocZ(47)

According to the following reaction: 2 NO(g)+O2(g)-->2NO2(g),triangleH = -114 kJ, how do I find the enthalpy per gram of nitrogen dioxide?

posted on: 2009-12-05 19:12:29

posted by abreuswifey(-4)

What is the basic unit of matter called?

posted on: 2009-11-30 13:18:26

posted by amitmagic(37)

What are the only elements that are a liquid at room temperature?

posted on: 2009-11-25 16:11:13

posted by cgroverla(516)

What is the density of water?

posted on: 2010-01-04 19:11:24

posted by Dominique(15)

Is it illegal to possess formaldahyde in the state of New York?

posted on: 2011-03-02 21:34:14

posted by gamaev(1)

How to separate atoms?

posted on: 2009-09-28 13:22:28

posted by Anjana(40)

What are the chemical formulas to fabric mordant?

posted on: 2010-03-26 02:57:01

posted by eriklaura(2)

Will a ten year old 5mg valium pill test as valium in a lab?

posted on: 2011-01-21 11:06:58

posted by bustindome(16)

If 0.1127 g of glucose is combusted, what mass, in grams, of Co2 will be produced?

posted on: 2009-11-23 13:54:30

posted by Joe52(38)

Is a positive ion larger or smaller than its parent atom?

posted on: 2009-11-29 08:43:05

posted by fst805(28)

What happen to the lactose if we boil milk (100 degrees Celcius)?

posted on: 2010-08-24 20:42:22

posted by nely(1)

What is the chemical composition of liquid detergents?

posted on: 2009-10-15 12:19:20

posted by CharlesBrown(15)

what are two properties of lightweight combustion chamber?

posted on: 2009-08-25 20:41:04

posted by melmel85(2)

How do you dissolve copper oxide in stearic acid?

posted on: 2010-03-21 02:14:19

posted by madan(2)

What is the composition of ketohexose in a fruit jam?

posted on: 2010-05-12 11:51:39

posted by royina(1)

How does egg yolk keep the vinegar from separating from the oil in mayonnaise?

posted on: 2012-03-21 10:32:32

posted by michaelnelson11(11)

What are three things that affect the lenght of fermentation for yeast doughs?

posted on: 2012-04-04 11:58:47

posted by michaelpublix(38)

What is the Carbon Cycle?

posted on: 2008-10-10 08:22:38

posted by elsewhen(627)

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