Combustion of sample of walnuts

Assignment Help Basic Computer Science
Reference no: EM132126506

When a 56.06g sample of walnuts is burned with excess oxygen in a bomb calorimeter with a heat capacity of 23.25kJK-1. The temperature of the calorimeter rises fro 17.78C to 94.57C. What is the (Delta)U(rxn) value, in units kJ/g, for the combustion of this sample of walnuts? Include correct amount of significant figures.

Reference no: EM132126506

Questions Cloud

How many grams of ethanol are present : Ethanol has a density of .78g/mL. How many grams of ethanol are present in to deliver 13.2 mL?
Equilibrium with the given equilibrium constant : At a certain temperature, this reaction establishes an equilibrium with the given equilibrium constant, Kc.
What challenges exist when collecting quantitative data : Explain at least 3 different means of collecting appropriate data and how you would analyze it. What challenges exist when collecting quantitative data?
Phosphorus pentachloride decomposes : Phosphorus pentachloride decomposes according to the chemical equation
Combustion of sample of walnuts : What is the (Delta)U(rxn) value, in units kJ/g, for the combustion of this sample of walnuts? Include correct amount of significant figures.
Balanced equation for the precipitation reaction : Write a balanced equation for the precipitation reaction that occurs when aqueous solutions of potassium carbonate and chromium
Total pressure in the container at equilibrium : Initially, only H2S is present at a pressure of .181 atm in a closed container. What is the total pressure in the container at equilibrium?
Number of atoms given the weight of an element : How do you calculate the number of atoms given the weight of an element, such as nitrogen?
Why is a mixture of ethanol and water needed : Why is a mixture of ethanol and water needed to perform a reaction between oil and NaOH? This question is from a soap lab where we made soap from oils.

Reviews

Write a Review

Basic Computer Science Questions & Answers

  Deliberate on the motivation of the research

Write a critical review of two to three pages of the article below. The review should critique and  deliberate on the motivation of the research, methodology, analysis, conclusion, argument, contribution, significance, presentation etc. Your work ..

  How many copies of the software should i attempt to sell

a. How many copies of the software should I attempt to sell? At what price should I sell it? How much profit would I make?

  How can knowledge management systems

How can knowledge management systems help an organization increase profits and reduce costs? The response should be between 250-300 words with all citations.

  Change the contents of a character array

What function in the standard C library can be used to change the contents of a character array?

  Security management goal

Identify and talk about at least one security management goal, then explain a difficulty in meeting that goal. Offer a way to meet that management goal.

  Compute the standard deviation of portfolio

Please enter your answer as a percentage to three decimal places (i.e. 12.345% rather than 0.12345 -- the percent sign is optional).

  Discuss host-based ids versus network-based ids

Discuss host-based IDS versus network-based IDS

  Value into the variable name

Write some code that reads a value into the variablename then prints the message "Greetings, NAME" on a line by itself, where NAME is replaced the value that was read into name. For example, if your code read in "Rachel" it would print out "Greeti..

  Government intervention and totally economic freedom

When we talk about Hayek as an economist, how should we value his ideas and theories? Are his and his followers' theories really be like

  Building the project management schedule

Please describe your experience in building the project management schedule in the forum and answer the following questions below:

  Determine the average heat transfer coefficient for air

Determine the average heat transfer coefficient for air at 60°C flowing at a velocity of 1 m/s over a bank of 6-cmOD tubes arranged as shown in the accompanying sketch (see Eq. 7.3). The tube-wall temperature is 117°C.

  What cryptographic techniques would be used

Alice's Remanufactured Auto Parts is located in St. Louis, Missouri. Due to the popularity of the lowered price and high quality of remanufactured parts, Alice wants to expand operations to the World Wide Web.

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