Determine delta h for the solution of 1g naoh in water

Assignment Help Chemistry

Reference no: EM13301664

When 5.12g of NaOH were dissolved in 51.55g water in a calorimeter at 24.5C, the temperature of the solution went up to 49.8C a) calculate qh20 b) find delta H for the reaction as it occurred in the calorimeter c) find delta H for the solution of 1g NaOH in water d) find delta H for the solution of 1 mole NaOH in water e) Given the following heats of formation, delta Hf, in kJ per mole, as obtained from a table of delta Hf data, calculate delta H for the reaction NaOH(s)---->Na+(aq)+OH-(aq). Compare your answer with the result you obtained for part d. NaOH(s), -425.6; Na+(aq), -240.1; OH-, -230.0

Reference no: EM13301664

Questions Cloud

Financial statement analysis and statement of cash flows : Provide recommendations for future business activity based upon your assessment. Cite references from your library research to support your conclusions of the company's performance based upon your analysis and financial ratio evaluations.

Estimate the magnetic field strength at the center of coil : The magnetic field B at the center of a circular coil of wire carrying a current I (as in fig. 20-9) is where N is the number of loops in the coild and r is its radius. estimate the magnetic field strength at the center of coil

Explain will the first drop of liquid n-heptane form : will the first drop of liquid n-heptane form? (c) At what operating temperature (°C) will 65% of the n-heptane condense

Explain a compound is composed of only c and h : A compound is composed of only C and H. It contains 88.82% C by mass and has a molar mass of 54.09 g/mol. What is the correct molecular formula

Determine delta h for the solution of 1g naoh in water : find delta H for the solution of 1g NaOH in water d) find delta H for the solution of 1 mole NaOH in water e) Given the following heats of formation

Estimate the acceleration of the mass : A 50 newton horizontal force pushes a 10 kg mass sitting on a horizontal surface. What is the acceleration of the mass

Inputted directly per the instructors instructions : Proceeds from expected equipment sales each year are expected to amount to $10000. Annual payments of $81171 on the loan also begin in 2010. The beginning cash balance in 2010 was $20000.

Explain what was the delta t for the metal : what was the delta t for the metal? c) how much heat flowed into the water? d) taking the specific heat of water to be 4.18J/gC, calculate the specific heat of the metal e) what is the approximate molar mass of the metal using the equation MM=25/S..

Calculate the volume of the compressed gas : A 10 kg weight is put on the weightless piston of the cylinder (20 cm in diameter) filled with oxygen gas (P=101.3kPa, V=1m^3). Calculate the volume of the compressed gas

User Account

All Pages