What is the ph at the stoichiometric point
What is the pH at the stoichiometric point (end point) for the titration of 50 ml of 0.20 M methyl amine CH3NH2 (aq) with 0.20 M perchloric acid HClO4(aq)? For methyl amine (CH3NH2), Kb = 3.6 x 10^-4.
Expected delivery within 24 Hours
Its melting point is 962°C, and its heat of fusion is 11.3 kJ/mol. What quantity of heat, in joules, is required to change 7.50 g of silver from solid at 25°C to liquid at 962°C?
A 290ml flask contains pure helium at a pressure of 756torr . A second flask with a volume of 480ml contains pure argon at a pressure of 713torr .If the two flasks are connected through a stopcock and the stopcock is opened, what is the total pre
At 298K, 125 ml of 0.60 M potassium hydroxide KOH is added to 175 ml of 0.40 M hydrochloric acid HCl. What is the final pH?
A 2000-MW electric generating station burns 278 tonnes of residual fuel oil per hour. The fuel contains 2.6% S and 1.2% ash. The station is equipped with particle, sulfur dioxide, and nitrogen oxide emission control systems.
A mixture of ethanol and 1-propanol behaves ideally at 36C and is in equilibrium with its vapor. if the mole fraction of ethanol in the solution is 0.67. calculate its mole fraction in the vapor phase at this temperature. (the vapor pressure of p
We will titrate 50.0mL of 0.200M NH3(aq) ( pKb = 4.76) with 0.200M HCl(aq). What is the initial pH of 50.0mL of 0.200M NH3(aq) before HCl is added.
Iron and vanadium both have the BCC crystal structure and V forms a substitutional solid solution in Fe for concentrations up to approximately 20 wt% V at room temperature.
How would the determination of bulk specific gravity of fine aggregate be affected by the 500g sample being drier than the surface dry condition ?Explain.
1922274
Questions Asked
3,689
Active Tutors
1460353
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Provide an example of experimental, quasi-experimental, and nonexperimental research from the GCU Library and explain how each research type differs
Describe the key differences between each type of qualitative and quantitative research. Provide a workplace example in which qualitative and quantitative
Correlation is the process of establishing a relationship between two or more factors. Correlation is an important concept that can be misused.
Patient Overview: A 45-year-old patient, Jamie, presents with muscle weakness, difficulty walking, numbness in the limbs, and occasional blurred vision.
Program Outcome 1: Provide high quality, safe, patient-centered care grounded in holistic health principles.
Select and describe an issue in nursing that impacts nurses at all levels from bedside to advanced practice. Make sure to provide an adequate background
1. Describe your own professional identity in nursing using the domains and definitions listed above. 2. How has your PIN changed since you began the master's