Chemistry - March 2007

In terms of concentration, what is 1000u/ml? Some resources say 1mg/ml and some say 1microg/ml...... help!

(as in the concentration of ADH is 1000u/ml)

2007-03-12 01:29:48 · 6 answers · asked by MiniMed 3

[NO] [H2] initial rate
0.006 0.003 0.075
0.001 0.009 0.018

1) Find the order of the reaction relative to hydrogen gas H2.
2) Find the order of the reaction relative to nitrogen monoxide NO.

Caan anyone explain what should I do here? I can solve it normally but what is relative to H2 and No?

2007-03-12 01:22:18 · 2 answers · asked by Amiraan 4

2007-03-12 01:20:22 · 6 answers · asked by Kasra 2

2007-03-12 01:16:04 · 10 answers · asked by Kasra 2

2007-03-12 01:01:53 · 1 answers · asked by harriet w 1

2007-03-12 00:38:59 · 5 answers · asked by jumpy789 1

2007-03-11 22:46:38 · 3 answers · asked by anirudh r 1

Your radiator on your car is normally 1.57 atm of pressure at 50.0 degrees Celsius. What does the pressure change to if the temperature increases to 128 degrees Celsius? Give an answer and an explanation on how you arrived at it.

2007-03-11 22:23:10 · 1 answers · asked by moonbaby29_us 1

2007-03-11 22:12:20 · 1 answers · asked by Anonymous

does it act like fluorides? or like TSPP? or any desensitizing agents?

2007-03-11 20:40:40 · 3 answers · asked by liryc 1

16.0mL of 0.130M HCl and 12.0mL of 0.600M HCl.
B) 18.0mL of .200M Na2SO4 and 15.0mL of .150M KCl.
C) 2.38g of NaCl in 50.0mL of .400M CaCl2 soln'

2007-03-11 20:25:39 · 3 answers · asked by Anonymous

Can someone explain the relative solubilities of the three carotenoids in the water and solvent phases on the basis of molecular structure please?

The three carotenoids are Violaxanthin, Lutein and Beta Carotene.

2007-03-11 20:25:11 · 1 answers · asked by Funnyguy 2

2007-03-11 20:15:54 · 5 answers · asked by johnson o 1

like is calculating the number of molecules in 288g of Cl2 the same as calculating the number of atoms in 23g of Na

2007-03-11 20:05:34 · 2 answers · asked by Silver L 1

2007-03-11 19:48:00 · 1 answers · asked by stardust6547 2

1.) n=2
2.) l=1
3.)ml=-1
4.)ms= -1/2

how do u get these? please show work

2007-03-11 19:42:05 · 2 answers · asked by stardust6547 2

which would be more viscous: heptane or 3,3-dimethyl hexane? thanks

2007-03-11 19:36:08 · 2 answers · asked by nosillanalehp 1

Calculate the number of atoms in 23g of Na and 10g of Au

2007-03-11 19:32:27 · 2 answers · asked by Silver L 1

2007-03-11 19:15:50 · 5 answers · asked by Amir A 1

2007-03-11 19:11:57 · 7 answers · asked by Rawwwr 1

2007-03-11 19:08:52 · 6 answers · asked by Amir A 1

how did Halifax Explosion involve thermodynamic concepts of chemistry?

The reactants were:
223 tonnes of benzol
56 tonnes nitrocellulose
1602 tonnes wet picric acid
544 tonnes dry picric acid (highly explosive, and extremely sensitive to shock)
227 tonnes TNT

2007-03-11 19:05:01 · 1 answers · asked by soriel753 1

Fe2 (SO4)3 Fe2O3 + SO3

NH4NO3  H2O + N2O

Ag2CO3  Ag + CO2 + O2

2007-03-11 18:57:31 · 2 answers · asked by Anonymous

help me

2007-03-11 18:49:32 · 4 answers · asked by jeffda m 1

I need to know the word equation and would like to also know what other chemicals are givin off during this experiment. What things take place( i know the reaction with water but i need to know the scientific way) . I hope you can also tell me how we know that there is more than one product even though we can see only one.

2007-03-11 18:38:11 · 4 answers · asked by chizee 1

Can a nitrile be reduced to amine by H2/Pd and also by LiAlH4/dry ether?

2007-03-11 18:34:30 · 2 answers · asked by Faisaltheonly1 2

it's for school homework due on Wednesday. Plz help

2007-03-11 18:29:26 · 15 answers · asked by 海~ELFishy 2

Although tap water is free of organic waste it does contain many dissolved minerals. Like sodium, choloride ions, sulfate ions etc. Do these dissolved minerals increase or decrease the dissolved oxygen content? Why?

2007-03-11 18:19:48 · 1 answers · asked by Anthropomorphic 2

What is the molecular volume of H2?

2007-03-11 18:14:35 · 3 answers · asked by Voftw 1

if 20g of Mg react with excess HCl how many grams of magnesium chloride are produced?

2007-03-11 18:03:01 · 2 answers · asked by Zigma 7 2