Write molecular and net ionic equations
Write molecular and net ionic equations for the successive neutralizations of each acidic hydrogen of phosphoric acid by calcium hydroxide solution. Ca3(PO4)2 is insoluble; assume that the acid salts are soluble.
Expected delivery within 24 Hours
Use notation showing the symbol, the mass number as asuperscript and the atomic number asa subscript. Write the mass of the isotopes and their abundance.
Enormous numbers of microwave photons areneeded to warm macroscopic samples of matter. A portion of soup containing 235 g water is heated in a microwave oven from 21°Cto 90.°C, with radiation of wavelength 1.55 10-2 m.
If you react 100 ml of a 0.115 M Solution of HBr (aq) with98.0 ml of a 0.120 M solution of KOH(aq), how many moles are actually neutralized? After mixing, will the resulting solution have excess acid,excess base, or neither?
You react 100.0 ml of a 1.01 M HBr(aq) solution with 99.1 mlof a 1.05 M KOH(aq) solution. The density of each solution is 1.04g/ml. The heat capacity of the calorimeter is 7.0 J/C.
An amount of 1.250g of an alloy (90% Ag, 10% Cu) was treated withHNO3 and H2SO4 to form Ag2SO4 and CuSO4. The solution was then treated with Cu wire to precipitate silver.
A precipitate of FeS (Ksp = 6.3 x 10^-18) is formed by mixing 125.00 mL of a 0.32 M solution of Fe(NO3)2 with 100.00 mL of a 0.40M solution of Na2S.
A tablet of a dietary supplement containing calcium carbonate is tonuetralize 38.3 mL of 0.251 M of HCL, forming calcium chloride,water and CO2. Calculate the number of milligrams of CaCO3 in the tablet.
Determine the enthalpy change, for dissolving thesalt. Report the value as the total energy absorbed orreleased when the entire sample of salt dissolves and then on apergram basis. What additional information would be needed toreport the enthalpy
1936088
Questions Asked
3,689
Active Tutors
1444053
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
The woman has a history of congestive heart failure with decreased kidney function within the last year. The woman appears unusually tired and slightly pale.
Research psychosis in the pediatric population and discuss symptoms and diagnoses that relate to this population.
Visit the Substance Abuse and Mental Health Services Administration (SAMHSA) website regarding resources for child trauma-informed care.
Select a patient safety or quality issue in a healthcare setting. Based on the transformational leadership style, assess how it aligns with your chosen issue.
The following statements are either correlated with what a Manager would say or what Leader would say.
How should you respond to this statement? Do you feel that the EI model (emotional intelligence) could be useful in this situation? Why or why not?
45 year-old male patient presented to the office with previous diagnosis of nonalcoholic fatty liver and metabolic syndrome.