FREE Trial
Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A sample of 27.9 grams of magnesium sulfate, MgSO 4 , dissolved in water in a calorimeter and the temperature increased from 25.0 C to

A sample of 27.9 grams of magnesium sulfate, MgSO4, dissolved in water in a calorimeter and the temperature increased from 25.0 C to 45.3 C. If the heat capacity of the solution and the calorimeter is 1623 J/C, what is the enthalpy change per mole of magnesium sulfate in KJ?

Select one:

a. 532.761

b. 142.139

c. 221.892

d. 457.906

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Introductory Chemistry version 1.0

Introductory Chemistry version 1.0

Authors: David W. Ball

1st edition

1453327657, 978-1453327654

More Books

Students also viewed these Chemistry questions

Question

★★★★★
In preparation for the December 31, 2015, year-end, Carolanne was reviewing the records of Holmes Ltd. She discovered a balance of $32,000 in accounts receivable that related to an account received...

Answered: 1 week ago

Question

★★★★★
please solve A sample of 16 cookies is taken to test the claim that each cookie contains at least 9 chocolate chips. The average number of chocolate chips per cookie in the sample was 7 875 with a...

Answered: 1 week ago

Question

★★★★★
=+of 0 percent, 10 percent, 20 percent, 30 percent, and so on. (You will need a calculator with an exponent key for this.) What saving rate maximizes output per worker? What saving rate maximizes...

Answered: 1 week ago

Question

★★★★★
Answer each of the following questions. a. What single investment made today, earning 12% annual interest, will be worth $6,000 at the end of 6 years? b. What is the present value of $6,000 to be...

Answered: 1 week ago

Question

★★★★★
P8.10 The normal melting point of H2O is 273.15K, and fusH=6010Jmol1. Calculate the change in the normal freezing point at 200. and 400. bar, assuming that the density of the liquid and solid phases...

Answered: 1 week ago

Question

★★★★★
10:10:! Ouuuqu') - IEIQAD MapleTree Industries has $ 265,000 to invest. The company is trying to decide between two alternative uses of the funds. The alternatives follows Project A Project B Cost of...

Answered: 1 week ago

Question

★★★★★
Identify the features of decisions in an organizational context. Multiple select question. They are the outcomes of dynamic processes that are influenced by multiple forces. They are an...

Answered: 1 week ago

Question

★★★★★
2. Consider a market with (inverse) demand p = 100 - 2Q. There are two firms in the market with constant marginal and average costs of $10. a. Determine the Cournot equilibrium quantities and price....

Answered: 1 week ago

Question

★★★★★
Laker Company reported the following January purchases and sales data for its only product. For specific identification, ending inventory consists of 180 units from the January 30 purchase, 5 units...

Answered: 1 week ago

Question

★★★★★
use the may 31 year end information from the following ledger accounts( assume that all accounts have normal balmces) Built Assignments Saved M. Muncel, Capital Date May 31 M. Muncel,...

Answered: 1 week ago

Question

★★★★★
Thomas Co. sold $1,000 worth of merchandise on a bank credit card with a 3% fee. The entry to record the sales transaction would include a debit to Cash in the amount of $

Answered: 1 week ago

Question

★★★★★
7. Suppose GDP is $15 trillion, with $8 trillion coming from consumption, $2.5 trillion coming from gross investment, $3.5 trillion coming from government expenditures, and $1 trillion coming from...

Answered: 1 week ago

Question

★★★★★
3. If in some country personal consumption expenditures in a specific year are $50 billion, purchases of stocks and bonds are $30 billion, net exports are $10 billion, government purchases are $20...

Answered: 1 week ago

Question

★★★★★
7. The following table shows nominal GDP and an appropriate price index for a group of selected years. Compute real GDP. Indicate in each calculation whether you are inflating or deflating the...

Answered: 1 week ago

Previous Question Next Question