Question: A match is lit and held under a cold piece of metal. The following observations are made: (a) The match burns. (b) The metal gets

A match is lit and held under a cold piece of metal. The following observations are made:
(a) The match burns.
(b) The metal gets warmer.
(c) Water condenses on the metal.
(d) Soot (carbon) is deposited on the metal. Which of these occurrences are due to physical changes, and which are due to chemical changes?

Step by Step Solution

★★★★★

3.43 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Chemical b Physical c Physical The produc... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

876-E-C-E-S (234).docx

120 KBs Word File

Students Have Also Explored These Related Chemical Engineering Questions!

The metal cadmium tends to form Cd2+ ions. The following observations are made: (i) When a strip of zinc metal is placed in CdCl2(aq), cadmium metal is deposited on the strip. (ii) When a strip of...

Four lightweight balls A, B, C, and D are suspended by threads. Ball A has been touched by a plastic rod that was rubbed with wool. When the balls are brought close together, without touching, the...

You choose to investigate some of the solubility guidelines for two ions not listed in Table 4.1, the chromate ion (CrO42-) and the oxalate ion (C2O42-). You are given 0.01 M solutions (A, B, C, D)...

Answer the following questions in detail after reviewing the video transcripts of "THE CRASH OF FLIGHT 111 NOVA DOCUMENTARY History Life Discovery" provided at the end. Which...

Allegheny Ludlum Steel! Question: What is your overall evaluation of Allegheny Ludlum Steel's productivity improvement program? Discuss the productivity improvement program at Allegheny Ludlum in...

Write a Criminal investigation affidavit and the probable cause etc of this investigation. 1 nonagiloyal to eslgiani See page 2 for scenario Stage 1: Initial Response and Investigation. Callout: You...

Webcor: Building Buy-In in the Brick-and-Mortar Business 5 Marks Founded in 1971, Webcor Builders is one of the largest construction companies in California and one of the largest green construction...

48CHRISTIANITYTODAY.COM MARCH 2015LUKE 4:1430LETTERING BY JILL DE HAANRE-WORDNo. 2BY BETH MOOREBETH MOORE is founder of Living Proof Ministries and author of numerous books and Bible...

Read the case study and analysis the case and answer the following questions. Case Study: WEB-BASED CASE BBC Digital Media Initiative Revisited The National Audit Office (NAO) scrutinizes public...

Safety Video Quiz Name ________________________ Watch the video at the following web address: https://www.youtube.com/watch?v=9o77QEeM-68. The questions below follow along in order with the safety...

What is the relationship between par value, market value, and book value for the following? a. Long-term debt b. Preferred stock

Universal Tools Company purchased a machine on July 1, 2015 for $180,000. The machine was estimated to have a useful life of 10 years and a salvage value of $20,000. The companys fiscal year ends on...

5. Which of the following bases of income and expense recognition is used in accounting for revenue and expenses under single-entry bookkeeping> A. Cash basis B. Accrual basis C. Modified Cash basis...

3. For each of the following experiments, decide whether the difference between conditions is statistically significant at the .05 level (twotailed). Experimental Group Control Group Study N M S2 N M...

Fill in the gaps in the following table: Symbol 59 3+ Protons 34 76 80 Neutrons 46 116 120 Electrons 36 78 Net charge 2+

(a) What is meant by the term isomer? (b) Among the four alkanes, ethane, propane, butane, and pentane, which is capable of existing in isomeric forms?

How many of the indicated atoms are represented by each chemical formula: (a) Carbon atoms in C 4 H 8 COOCH 3 (b) Oxygen atoms in Ca(ClO 3 ) 2 (c) Hydrogen atoms in (NH 4 ) 2 HPO 4 ?

Give three concrete examples drawn from a programming language with which you are familiar in which a variable is live but not in scope

index

P9-6 Defining and Analyzing Changes in Current Liabilities LO9-1 International Business Machines (IBM) is a leading provider of computer products and services. The company is known for its hardware...