scilover

5.6 x 10-6 mol of A and 5 x 10-5 mol of B are mixed in a 200 mL flask. The system is represented by the equation: 2A(G) + B(G) <--> 3C(G) At equilibrium, there is 4.8 x 10-5 mol of B. Calculate the value of the equilibrium constant.

12 years ago

A chemical system within a sealed 1 L reaction vessel is described by the following reversible reaction equation: 2H2S(g) <-->2H2(g) + S2(g) If the equilibrium constant is 0.000 004 200 at 1103 K find: the reaction quotient initially.

12 years ago

21. Classify the following solutions in order of increasing pH: a. 0.01 M NaOH b. pure water c. 0.10 M HCl d. 0.05 M NaOH e. 0.001 M HCl

12 years ago

Which one of the following species will react with Sn at standard state conditions? a) S b) Ag+ c) Cu d) Zn2+

12 years ago

Which one of the following species will react with Sn at standard state conditions? a) S b) Ag+ c) Cu d) Zn2+ What does it mean by standard state conditions? And what do I have to look at to determine it? Would it be Zn2+?

12 years ago

Can a solution of CrCl3 be stored in an aluminum container? I did the math part- E= 2.45 (approx)

12 years ago

Which of the following is the strongest reducing agent? a) Li+ b) Zn c) Sn d) H2 Is it Li? Can someone please explain what the answer is and why?

12 years ago

.012 mol of solid NaOH is added to a 1 L solution of HCl 0.01 M. What is the pH of the solution?

12 years ago

Phosgene (COCl2) is a poisonous gas that dissociates at high temperature into two other poisonous gases, carbon monoxide and chlorine with equilibrium constant Kp = 0.0041 at 600 K. Find the equilibrium composition of the system after 0.124 atm of COCl2 i...

12 years ago

3Fe(s) + 4H2O(g) <-> Fe3O4(s) + 4H2(g) What happens when Fe(s) is added? Would the reaction shift right?

12 years ago

CaCO3(s) <-> CaO(s) + CO2(g) What would happen if CO2 was removed? Would the reaction shift left? Does that mean CaCO3 increases and CaO and CO2 decrease ?

12 years ago

The concentration of hydroxide ions in a solution of nitric acid 0.2 M is: a. 2 x 10-14 M b. 5 x 10-14 M c. 5 x 10-7 M d. 2 x 10-1 M IS IT D)?

12 years ago

Which of the following pairs of compounds will give a precipitate in a diluted solution? Question 4 options: A) Cu(NO3)2 and Na2CO3 B) KNO3 and NaCl C) MgCl2 and Ba(NO3)2 D) NH4Cl and Al2(SO4)3 ALL OF THEM ARE SOLUBLE? WHAT DO I DO?

12 years ago

What happens if sodium acetate (CH3COONa) is added to the following reaction? CH3COOH  H+ + CH3COO- a) [H+] increases b) [H+] decreases c) a precipitate is formed d) [H+] does not change

12 years ago

A mixture of lead, magnesium, nitrate and chromate ions are present in a solution. What will the precipitate be? a) MgPb b) Pb(NO3)2 c) PbCrO4 d) MgCO3 I think its d)- am i right?

12 years ago

In order to completely neutralize 0.985 mol of sodium hydroxide, 43.2 mL of an acid is required. The concentration of the acid is: a) 2.3 M b) 22.8 M c) 31.0 M d) 48.2 M Is it b?

12 years ago

If a 0.1 mol/L solution is diluted to 0.01 mol/L, the: a) concentration of hydrogen ions increases b) pH decreases c) acidity constant decreases d) the acidity constant does not change I would think the ph decreases? no?

12 years ago

Is electroplating an industrial electrochemical process? What would be an industrial electrochemical process?? electric generator or electrolysis?

12 years ago

@DrBob222 How do u convert to mg/l?

12 years ago

how do u convert for y?

12 years ago

@bobpursley I don't understand what it means at standard state? Would it be Zn2+

12 years ago

I think kuldeep is right because this is an endothermic reaction and if I want to make the rxn shift to the right, increasing the temp with an endo. reaction will shift right

12 years ago