How can obtain the formula of the hydrate
Anhydrous, hygroscopic, blue CoCl2 forms red-violetCoCl2 * x H2O on exposure to moist air. Ifthe color change is accompanied by an 83.0 % increase in mass, what is the formula of the hydrate?
Expected delivery within 24 Hours
Determine the half-life of AB at 313K when a first-order chemical reaction AB --> C + D with an activation barrier of the 91.4 kJ has a half-life of 2 hr at 298K.
The mean teaching hours for the full time faculty at a state university is eight hours per week. What does this tell you regarding the typical teaching hours for full time faculty at that university
Find mean and standard deviation of statistic p hat, sample proportion who are boys? Use Normal approximation to determine probability which p hat would be less than 0.5.
Estimate the vapor pressure of a 10 molar aqueous solution of glucose (C6H12O6, a nonvolatile molecular solid) at 373K when the vapor pressure of pure water at 373K is 760 torr.
Estimate the change in enthalpy for the Mg-HCl reaction using the standard enthalpies of formation. Hf for HCl (aq) = -167.2 kJ; Hf for the MgCl2(aq) = -791.2 kJ.
At the 335 K in the first-order decomposition of dinitrogen pent oxide, assume we start with a 2.50 g sample of N2O5 at 335 K and which is having the 1.50 g remaining after 109 s.
Determine the numbers of hydrogen ions are required and on which side of the equation must they appear?
Explain what carboxylic acid would be produced if the melodic ester synthesis were carried out with a large excess of melodic ester, one equivalent of 1,5-dibromopentane, and two equivalents of base?
1955040
Questions Asked
3,689
Active Tutors
1445398
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Describe your thoughts regarding the prevalence of medical and diagnostic errors in health care. Discuss what actions you will take to avoid medical
In nursing, cultural competence is essential for providing respectful and effective care to patients from diverse backgrounds.
In hospitalized adult patients, how does fostering a positive patient safety culture compared to no specific intervention targeting safety culture,
Dr. Barton provided service for Donna Sinne who has actinic keratosis on her lip. The treatment provided entails 3 phototherapy exposures
Problem: A 62-year old walks into the emergency room early in the morning. Nurse: what brings you to the ER today.
The Advanced Practice Registered Nurse (APRN) is reviewing glucose trends for a patient with type-2 diabetes mellitus who is currently taking metformin
The patient is a 65-year-old female with known coronary artery disease. She complains of some pain with walking. She exercised for 5 minutes