When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL of water in a coffee cup calorimeter,

Question:

When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL of water in a coffee cup calorimeter, the temperature of the water changes from 22.68C to 30.78C. Assuming that the specific heat capacity of the solution is the same as for water, calculate

(a) The heat transfer from system to surroundings and

(b) ΔH for the reaction

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Chemistry For Engineering Students

ISBN: 9780357026991

4th Edition

Authors: Lawrence S. Brown, Tom Holme

See More Books

Question Posted: Nov 26, 2023 01:16 AM

See More Questions

A sample containing an alkali sulfate is dried, weighed and dissolved in dilute HCl. Barium chloride solution is added in excess to precipitate barium sulfate, and the precipitate is digested in the...
Balance the following chemical equations by indicating a number for each coefficient (including '1' if applicable). a. b. C. d. Fe(s) + F+. CHO,( + Fe(SO),(ag) + Cl NaCl() _0 FeCh() NaF()+C1, .CO@...
When a pure substance is placed in contact with water, there are three possible outcomes. The substance may do nothing that is, the substance does not dissolve and no visible change takes place. The...
Freddie and Jason have just opened the Texas Toothpick, a chain-saw sharpening and repair service located on Elm Street. The Texas Toothpick promises same-week repair service. Freddie and Jason are...
Why do firms like to calculate a percentage column on the income statement (in which each line item is expressed as a percentage of sales)?
In a 2014 study, some Americans were asked which fast-food restaurant has the best fries. Their responses and the relative frequencies are described by the pie chart in Fig. 135. a. Find the...
Cambi Company began operations on January 1,2008. In the second quarter of 2009, it adopted the FIFO method of inventory valuation. In the past, it used the LIFO method. The companys interim income...
The following information was extracted from Citigroup, Inc.s 2009 annual report. From letter to shareholders: Financial Strength While Citi started the year as a TARP institution receiving...
Given below is the diagram of atomic absorption spectroscopy. Identify the * unmarked component ( (1 ) Indicator Monochromato Amplifier Photo detector Fame organ Samole Fuel
Calculate the energy required to convert 1.70 g of ice originally at 12.0C into steam at 105C.
If 14.8 kJ of heat is given off when 1.6 g of HCl condenses from vapor to liquid, what is H cond for this substance?
A Japanese company has a bond outstanding that sells for 103.25 percent of its 100,000 par value. The bond has a coupon rate of 4.9 percent paid annually and matures in 18 years. What is the yield to...
The State of Confusion Legislature passes the following statute: "The State Health Commissioner, when in their opinion, there is sufficient covid - 1 9 vaccine that has been approved by the Federal...
Case 1 Baum Co. has two processing departments: Fabrication and Assembly. In the Fabrication Department, metal is cut and formed into various components, which are then transferred to Assembly. The...
Your earlier Personal Leadership Assessment, you looked at two areas of your leadership experience, those who led you and those you led. You will again address these two items in your Personal...
What is required in this situation: Content slides explaining the qualitative and quantitative steps necessary in conducting a sensitivity analysis. How can a project's risk be incorporated into a...
What is "marketing"? What is the difference between "marketing" and the "marketing process"?is it different in your home country vs. North america? Q2. What is the difference between "demand",...
How does the role of the FASB differ from that of the Securities and Exchange Commission with regard to the establishment of accounting standards?
Draw the major product for each of the following reactions: (a) (b) (c) 1) 9-BBN 2) H2O2, NaOH 1) Disiamylborane 2) H20, NaOH
The reaction in the previous problem is an equilibrium process. Draw a mechanism of the reverse process. That is, draw a mechanism showing conversion of the conjugated, cyclic enone into the acyclic...
When 2,6-heptanedione is heated in the presence of aqueous sodium hydroxide, a condensation product with a six-membered ring is obtained. Draw the product and show a mechanism for its formation.
Identify the base you would use for each of the following transformations. (a) (b) 1) ? 2) , OEt OEt 1) ? 2) H,o*
"faithful respresentation" is the overriding principle that should be followed in ones prepaparation of IFRS-based financial statement. what is it? explain it fully quoting IAS. how this this...
A stock is expected to pay a dividend of $1.50 at the end of the year (i.e., D 1 = $1.50), and it should continue to grow at a constant rate of 10% a year. If its required return is 14%, what is the...
The Hobby Shop has a checking account with a ledger balance of $1,700. The firm has $2,400 in uncollected deposits and $4,200 in outstanding checks. What is the amount of the disbursement float on...

When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL of water in a coffee cup calorimeter,

Question:

NaOH(s)→→ Na+ (aq) + OH-(aq)

Step by Step Answer:

a Heat transfer from system to surroundings The heat absorbed by the solution can be calculated usin...View the full answer

Chemistry For Engineering Students

Students also viewed these Sciences questions