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Chemistry - March 2007

[Selected]: All categories Science & Mathematics Chemistry

2007-03-12 09:30:52 · 2 answers · asked by sikhism4life88 1

2007-03-12 09:27:38 · 12 answers · asked by Malky G 1

2007-03-12 09:15:22 · 2 answers · asked by kayk 1

2007-03-12 09:11:35 · 2 answers · asked by tweety15chic 1

2007-03-12 08:59:30 · 1 answers · asked by theweirdguy1 2

(Please include the working to reach your correct response)

The Keq for the equilibrium below is 0.112 at 700 °C.

SO2 (g) + 1/2 O2 (g) <----->SO3 (g)

What is the value of Keq at this temperature for the following reaction.
2SO3 (g) <-----> 2SO2 (g) + O2 (g)

a. 79.7
b. 2.99
c. 17.86
d. 4.46
e. 8.93

2007-03-12 08:53:18 · 4 answers · asked by Anonymous

thanx just need an easy to understand explanation a.s.a.p

2007-03-12 08:52:13 · 2 answers · asked by Anonymous

How Many Atoms Are In Hydrogen and Lithium?

2007-03-12 08:48:30 · 5 answers · asked by Maniac 1

Please include the working towards the correct response. Thank you.

Kp = 0.0198 at 721 K for the reaction

In a particular experiment, the partial pressures of H2 and I2 at equilibrium are 0.710 and 0.888 atm, respectively. The partial pressure of HI is __________ atm.

a. 7.87
b. 1.98
c. 5.64
d. 0.125
e. 0.389

2007-03-12 08:48:10 · 2 answers · asked by Anonymous

acids like HCl nad acetic acids

2007-03-12 08:42:19 · 2 answers · asked by Anonymous

The equilibrium-constant expression for the reactionTi(s) + 2Cl2(g) <----->TiCl4(l) is given by: (PLEASE INCLUDE the working towards the correct response)

a. [TiCl4 (l)] / [Ti (s)] [Cl2 (g)]

b. [Ti (s)] [Cl2 (g)]E2 / [TiCl4 (l)]

c. [TiCl4 (l)] / [Cl2(g)]E2

d. [Cl2(g)] E-2

e. [TiCl4 (l)] / [Ti (s)] [Cl2 (g)]E2

2007-03-12 08:42:13 · 1 answers · asked by Anonymous

2007-03-12 08:34:45 · 2 answers · asked by sikhism4life88 1

2007-03-12 08:34:22 · 3 answers · asked by Chromium_Erbium 2

Thank you in advance for the help!

2007-03-12 08:34:15 · 2 answers · asked by theweirdguy1 2

2007-03-12 08:22:07 · 6 answers · asked by sikhism4life88 1

2H2 + 2NO → 2H2O + N2

2007-03-12 08:16:39 · 1 answers · asked by Amiraan 4

?

2007-03-12 08:14:44 · 2 answers · asked by cecil m 1

paraperiodic acid (H5IO6) is a diprotic which k1=2.8*10^-9 and k2= 5.3*10^-9

Compare ka and kb for H4IO6- to determine whether a solution containg that ion is acidic or basic?

Use values k1&k2 to estimate the PH at the first equvialence point in titration of a solution of paraperodic acid with NaOH. Does this PH agree with the answer in part A?

Thanks so much to anyone who helps/

2007-03-12 08:10:05 · 1 answers · asked by Mr H 1

2007-03-12 08:09:38 · 1 answers · asked by sheena h 1

2007-03-12 08:09:18 · 8 answers · asked by Chromium_Erbium 2

I have heard of this phenomena a lot of times before. But I never found scientific proof for it. So is it possible to lick a frog or a toad and get high? If so, how? Not that I'm going to do it or anything :) I need the answer for my physiology class.
Cheers.

2007-03-12 08:08:28 · 6 answers · asked by hakan k 1

What is backalite plastic?Why phenol is used to form backelite plastic?

2007-03-12 07:41:48 · 6 answers · asked by star123 2

Decide whether each of the following changes would take place: the number of collisions per second, the effectiveness of the collisions, both or neither
In each of the following cases:
a) addition of more reactants
b) increasing the volume
c) adding an inert gas
d) raising the temperature

2007-03-12 07:31:31 · 3 answers · asked by Amiraan 4

2007-03-12 07:31:10 · 1 answers · asked by Hiborn 1

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