Determining the initial concentration
A zero-order reaction has a constant rate of 3.70×10-4 . If after 45.0 seconds the concentration has dropped to 2.50×10-2 , what was the initial concentration?
Expected delivery within 24 Hours
A student mixes 5.00 mL 2.00 x 10-3 M Fe(NO3)3, 2.50 mL 2.00 x 10-3 M KSCN, and 2.50 mL H2O to give a solution having a total volume of 10.00 mL. She finds that in the equilibrium mixture the concentration of FeSCN2+ is 7.50 x 10-5 M. What is the
Calculate the pH of a buffer made with 0.50M phosphoric acid and 0.75M sodium dihydrogenphosphate. Ka = 7.5 x 10-3.
Water with a static pressure of 1.96kN/M2 flows through an 800 mm diameter pipe. A pitot tube pressure gage in this pipe reads a pressure of 5.88 kN/M2. How do you determine the volume flow rate (Q) of the water? (Q = 1.40 M^3/sec, V=2.79 M/sec)
The reaction if the concentration of H2 in the equilibrium mixture is 0.426M what mass of methanol was initially introduced into the vessel?
When the mixture has come to equilibrium, the concentration of iodine monobromide is 1.190 M. What is the equilibrium constant for this reaction at 350°C?
Would you expect the energy of metal to ligand charge-transfer bands to increase or decrease with increasing charge on the complex? Why?
What difference does the tightening of bolt in the friction grip joint make to the load at first slip and the failure load. Why is the correct tightening of friction grip bolts important?
The solubility of silver sulfate in water is 0.223% (w/v) at 35°C. Calculate the solubility product of this salt at this temperature
1926812
Questions Asked
3,689
Active Tutors
1429298
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem: A patient experiencing an abnormal sensation, usually numbness or tingling in the skin, is experiencing Multiple Choice
Encourage children to explore, experiment and take risks through planning and providing learning environments and opportunities
1. Provide a NURSING DIAGNOSIS for Ms. LaPlante. Need Assignment Help? 2. What NURSING INTERVENTIONS would you add to her plan of care?
When should a Pap smear not be performed? A) During menstruation B) After a hysterectomy C) In individuals under 21 years of age D) All of the above
How would I describe picking up the client as a QMHA without explicitly stating that I drove?I picked her up after a visit with her sister in medford.
Problem: Which is the correct breakdown and translation of the medical term craniosynostosis?
Problem: In your own words, which activity and/or resource did you find most thought provoking and why?