Describe what is the final temperature of the water

Assignment Help Chemistry
Reference no: EM13653458

In a constant pressure calorimetry experiment, a reaction gives off 20.8 kJ of heat. The calorimeter contains 150 g of water, initially at 23.4 oC.

What is the final temperature of the water? The heat capacity of the calorimeter is negligibly small.

Reference no: EM13653458

Questions Cloud

What is the acceleration of each block : A pully system consists of a mass M = 3.5-kg block resting on a frictionless horizontal ledge. What is the acceleration of each block
Explain the mass of substances b is 25.2-g is initially : The mass of substances B is 25.2-g and it is initially at a temperature of 52.7 degrees celsius. If the specific heat of substance B is 1.17 J/g-degrees celsius, what is the specific heat of substance A
The three components represented in that cell : Write a brief statement on how you would address the three components represented in that cell.
Discuss the steps in the strategic planning process : Briefly discuss the steps in the strategic planning process. How does it drive the organizational activities?
Describe what is the final temperature of the water : In a constant pressure calorimetry experiment, a reaction gives off 20.8 kJ of heat. The calorimeter contains 150 g of water, initially at 23.4 oC. What is the final temperature of the water. The heat capacity of the calorimeter is negligibly small..
What is the emf of the solarcell : A solar cell generates a potential difference of 0.0806 V when a 500 Ω resistor is connected acrossit, and a potential difference of 0.1241 V when a 1000Ω resistor is substituted. What is the internal resistance of the solar cell?
Estimate what is the angle of this force on the ladder : A 70 kg window cleaner uses a 20 kg ladder that is 5.4 mlong. He places one end on the ground 2.2m from a wall, What is the angle of this force on the ladder
Define the outlet temperature of the benzene : 10 mol/s of liquid benzene at 20°C and 1 bar is pumped to 5 bar. At the inlet conditions, the molar volume of benzene is 11.8 liter/mol. Estimate the outlet temperature of the benzene and the work done by the pump in kW. What assumptions have you ..
Describe the total molarity of acid and conjugate base : A beaker with 115 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 5.70 mL of a 0.480 M HCl solution to the beaker.

Reviews

Write a Review

Chemistry Questions & Answers

  Explain bacteria to inactivate the antibiotic penicillin

Penicillase is an enzyme secreted by bacteria to inactivate the antibiotic penicillin. The enzyme has a molar mass of 30,000 and a single active site. The catalytic rate constant is 2000 s-1 and the Michaelis constant is KM = 5 x 10-5 M.

  Calculate the final temperature

A 11.6-g sample of CaCl2 is dissolved in 139 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..

  Explain mechanism that shows why p-chlorotoluene reacts

propes a mechanism that shows why P-chlorotoluene reacts with sodium amide in liquid NH3 At -33C to give a 1:1 mixture of P-toluidine and m-toluidine

  A fossil is found to have a compared to living organisms

A fossil is found to have a 14C level of 75.0% compared to living organisms. How old is the fossil

  A protein subunit from an enzyme is part of a research

a protein subunit from an enzyme is part of a research study andneeds to be characterized. a total of 0.160 g of this

  Calculate the molar mass of menthol

Menthol is a crystalline substance with a peppermint taste and odor. When 1.65 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 8.78 °C. The freezing point and Kf constant for cyclohexane can ..

  State what are the equilibrium partial pressures of each gas

An additional 31.4 g of water was added to the reaction vessel, and a new state of equilibrium was achieved. What are the equilibrium partial pressures of each gas in the mixture

  Explain what is the expected theoretical yeild of aspirin

What is the expected theoretical yeild of aspirin based on exactly 1 g of salicylic acid and 3.50 mL of Acetic Anhydride (Density = 1.082 mL^-1)

  Explain how many moles of water are mixed

How many moles of water are mixed with 1 mole of KAl(SO4)2 if 2.16 g of water are lost when 4.74g of the mixture are there to begin with

  State an irreversible isothermal expansion

Write any assumptions you make. Calculate the total work of this expansion. If this expansion were reversible, what would the value be?

  Explain the decomposition of calcium carbonate

Consider the decomposition of calcium carbonate. Assume that ?H° = 177.8 kJ/mol and ?S° = 160.5 J/K·mol for the temperature range. CaCO3(s) -> CaO(s) + CO2(g)

  Lidocaine is thought to bind to receptors in its methylated

Lidocaine is thought to bind to receptors in its methylated form. identify in writting the atoms or groups in the compound that could be involved in its binding to a receptor via- hydrogen bonding (1 example)

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd