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AMI
Questions and answers by visitors named
AMI
Questions (14)
Consider the following equilibrium:
PCl5 = PCl3+ Cl2 5.0 moles of are placed in a 10.0 L flask at 200 C and allowed to come to
4 answers
947 views
For the system 2A (g) + B( g) = 2C (g), if the initial concentration of pure C is 1.00 M, the equilibrium concentration is 0.40
4 answers
1,491 views
Consider the following equilibrium:
PCl3 + Cl2 = PCl5 Kc=26 @ 250 degree Celcius 1.0 mol of PCl3 , 1.0 mol of Cl2 , and 5.0 mol
4 answers
1,373 views
At a particular temperature, Kc = 54 for the reaction H2(g) + I2 (g) <=> 2 HI(g).
One mole of HI is placed in a 3.0-L container.
3 answers
473 views
Given the initial concentrations of 0.10 atm NO2 and 0.10 atm N2O4 in a 1.0 L flask, what will be the equilibrium partial
4 answers
957 views
Ka for hypochlorous acid,HCLO, IS 3.0*10^-8. Calculate the pH after 10.0,20.0,30.0, and 40.0mL OF 0.100M NaOH have been added to
4 answers
1,591 views
Calculate the [NH4+] in solution that is 0.25 M NH3 and 0.20 M NaOH. (Kb for NH3 = 1.8 x 10-5)
I set up ICE from the equation:
4 answers
1,491 views
Calcaulate the pH after 10.0 mL of 0.40 M HCl is added to 20.0 mL of 0.50 M NaOH.
I wasn't sure on how to start this problem. I
3 answers
1,050 views
What molarity of a NH4NO3 solution has a pH of 5.220? Kb for NH3 is 1.8 x 10^-5.
Choose one answer. a. 6.31x 10-6. b. 2.21 x 10-6
3 answers
2,353 views
Calculate the vapor pressure at 25 C of hexane above the solution. The vapor pressure of pure hexane at 25 C is 151 torr.
A
3 answers
1,677 views
Two snowcats tow a housing unit to a new location at McMurdo Base, Antarctica, as shown in Figure 4-46. The sum of the forces A
7 answers
19,617 views
Two crates, of mass m1 = 60 kg and m2 = 130 kg, are in contact and at rest on a horizontal surface (Fig. 4-54). A 620 N force is
2 answers
571 views
For the equilibrium reaction
Co(g)+H2O(g)<=>CO2(g)+H2(g) the Keq value at 690°C is 10.0. A mixture of 0.300 mol of CO, 0.300 mol
2 answers
1,079 views
I HAVE $100.00
THE GST IS 10% THEREFORE TO GET THE GST PORTION I DO THE FOLLOWING: 100/11=9.09 NOW I HAVE $100.00 THE GST IS 15%
4 answers
367 views
Answers (7)
(a) Calculate the acceleration of the system. (b) Calculate the force that each crate exerts on the other (c) Repeat with the crates reversed. fIND ACCELERATION AND CRATE FORCE.
Thanks I figured out what I didn't do which was factor in that 0.2M of NAOH
PCL5(g)=PCL3(g)+CL2(g) 5.0 moles of PCL5 are placed in a 10.0 L flask at 200 C and allowed to come to equilibrium. Analysis shows that 1.0 mole of is present in the equilibrium mixture. How many moles of Cl2 are present at equilibrium. Choose one answer.
Consider the following equilibrium: PCl3 + Cl2 = PCl5 Kc=26 @ 250 degree Celcius 1.0 mol of PCl3 , 1.0 mol of Cl2 , and 5.0 mol of PCl5 are placed in a 10.0L flask at 250 C and allowed to come to equilibrium. What is the concentration, in M, of Cl2 at
2A + B= 2C I 0 0 1.00 C 2X X -2X E 2X X 1.00-2X KC= 0.40= C^2/ A^2*B square root 0.40 (x*x)=1.00-2x 0.40(X)^2 SQUARE ROOT 0.40-1.00 I ended up with 0.09 but when I plugged it back in then I don't get any of the above answers. I don't know what I was doing
I get 0 as the answer but not sure if I am right
