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

Question

1 Approved Answer

When excess magnesium powder was added to 100cm 3 of 0.5m iron (III) sulphate solution, the pale green colour of solution faded and the temperature

When excess magnesium powder was added to 100cm3 of 0.5m iron (III) sulphate solution, the pale green colour of solution faded and the temperature rose by 6.00C

(a) Write an ionic equation for the reaction that takes place ( 1 mk)

(b) Calculate the molar heat of reaction given that heat change = mass x temperature change x 4.2J/g/0C and the density of solution is 1g/cm3

Step by Step Solution

★★★★★

3.24 Rating (148 Votes )

There are 3 Steps involved in it

Step: 1

aThe ionic equation between Magnesium powder and ironIII suohate solution Mgs Fe 2 aq ... 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

Cambridge International AS And A Level Chemistry Coursebook

Cambridge International AS And A Level Chemistry Coursebook

Authors: Lawrie Ryan, Roger Norris

2nd Edition

1316637735, 978-1316637739

More Books

Students also viewed these Chemistry questions

Question

★★★★★
Write an ionic equation for the reaction of acetic acid with each of the following, and specify whether the equilibrium favors starting materials or products: (a) Sodium ethoxide (d) Sodium acetylide...

Answered: 1 week ago

Question

★★★★★
Write an ionic equation for the reaction of acetic acid with each of the following, and specify whether the equilibrium favors starting materials or products: (a) Sodium ethoxide (b) Potassium...

Answered: 1 week ago

Question

★★★★★
Write chemical equations for the reaction that takes place between each of the following pairs of reactants: (a) 3-Ethyl-3-pentanol and hydrogen chloride (b) 1-Tetradecanol and hydrogen bromide

Answered: 1 week ago

Question

★★★★★
A manufacturer of cases for sound equipment requires that holes be drilled for metal screws. The drill bits wear out and must be replaced; there is expense not only in the cost of the bits but also...

Answered: 1 week ago

Question

★★★★★
The better students at Baltimore Assessment Center (Problem E.l2) have an 80% learning curve and can do a task in 20 minutes after just six times. You would like to weed out the weak students sooner...

Answered: 1 week ago

Question

★★★★★
A 4-m long plank with a weight of 80 N is placed on a dock with 1 m of its length extended over the water, as in the diagram. The plank is uniform in density so that the center of gravity of the...

Answered: 1 week ago

Question

★★★★★
Explain the results review and how it is different from the business case.

Answered: 1 week ago

Question

★★★★★
As the media landscape continues to change, and advertisers shift more and more of their monies into new media, there are those who predict that some traditional media like TV and newspapers may not...

Answered: 1 week ago

Question

★★★★★
Question 6 Mazoon Leather Company decided to use a multiple predetermined overhead rate to apply manufacturing overhead to jobs. The predetermined overhead rate chosen is labor hours for Primary...

Answered: 1 week ago

Question

★★★★★
Jeff is able to ride a bicycle although he hasn't ridden one for a few years, thanks to his: ( A ) procedural memory ( B ) episodic memory C ) semantic memory ( D ) cognitive memory

Answered: 1 week ago

Question

★★★★★
Dakota Company experienced the following events during Year 2. 1. Acquired $20,000 cash from the issue of common stock. 2. Pald $20,000 cash to purchase land. 3. Borrowed $5,000 cash. 4. Provided...

Answered: 1 week ago

Question

★★★★★
According to the activity network below. Which one is a critical activity? START END Activ

Answered: 1 week ago

Question

★★★★★
(1 point) Find the derivative of f(x) = 6x+2x using the definition of the derivative. State the domain of f and the domain of f'. Derivative is Domain of f is Domain of f' is (Enter the domains using...

Answered: 1 week ago

Question

★★★★★
1. Two insulated tanks are connected through an insulated pipe and valve assembly. One tank holds 2 moles of nitrogen at 3 bar and 25C. The other tank has a 3 moles of hydrogen at 0.5 bar, 70C. The...

Answered: 1 week ago

Question

★★★★★
How travel providers such as airlines, hotels, and car rental agencies can use special pricing to fill unused capacity, and earn revenue at the same time?

Answered: 1 week ago

Question

★★★★★
The part shown is loaded at point C with 290 N in the positive x direction and at point E with 190 N in the positive y direction. The diameter of the bar ABD is 10 mm. Evaluate the likelihood of...

Answered: 1 week ago

Question

★★★★★
In 2020, Caterpillar Incorporated had about 540 million shares outstanding. Their book value was $46.0 per share, and the market price was $110.30 per share. The companys balance sheet shows that the...

Answered: 1 week ago

Question

★★★★★
Use of the contraceptive Depo Provera appears to triple women's risk of infection with chlamydia and gonorrhea , a study reports today. An estimated 20 million to 30 million women worldwide use Depo...

Answered: 1 week ago

Question

★★★★★
In this question give all answers to 3 significant figures. The reaction between NaOH and HCl can be written as: HCl + NaOH NaCl + H 2 O In such a reaction, 15.0 cm 3 of hydrochloric acid was...

Answered: 1 week ago

Question

★★★★★
Calculate the volume of oxygen produced at r.t.p. when a concentrated aqueous solution of sodium sulfate is electrolysed for 55.0 min using a current of 0.70 A. (F = 96 500 C mol 1 ; 1 mole of gas...

Answered: 1 week ago

Question

★★★★★
a. Write equilibrium expressions for the solubility products of the following: i. Fe(OH) 2 ii. Fe 2 S 3 iii. Al(OH) 3 b. State the units of solubility product for each of the compounds in part a.

Answered: 1 week ago

Question

★★★★★
Was a discussion leader selected by the group? How well did that person function in his or her leadership role?

Answered: 1 week ago

Question

★★★★★
Consider a situation in which you experienced a conflict based on diversity issues. What was it about? How did you manage the conflict? Explain how you might apply any of the chapters suggestions for...

Answered: 1 week ago

Question

★★★★★
Were there conflicts over instrumental goals; how were they resolved?

Answered: 1 week ago

Previous Question Next Question