Loading...

Messages

Proposals

Stuck in your homework and missing deadline? Get urgent help in $10/Page with 24 hours deadline

Get Urgent Writing Help In Your Essays, Assignments, Homeworks, Dissertation, Thesis Or Coursework & Achieve A+ Grades.

Privacy Guaranteed - 100% Plagiarism Free Writing - Free Turnitin Report - Professional And Experienced Writers - 24/7 Online Support

Is burning hydrogen gas a chemical change

20/10/2021 Client: muhammad11 Deadline: 2 Day

Two Lab Reports

Final Report

Exercise 1

CHEM 181 DL1 Identificat ion of Gases

Zn + 2HCI--->ZnCI2 + H2 (gas)

The gas produced is hydrogen, it burns with a popping sound. The decomposition of hydrogen peroxide produces oxygen gas.

1. Write a balanced chemical equation describing the reaction of zinc and hydrochloric acid.

The gas that was produced by the reaction of zinc and hydrochloric acid was Hydrogen gas and zinc chloride. In the presence of fire, hydrogen explodes with a popping sound. The popping sound put out the flame.

2. What gas was produced by the reaction of zinc and hydrochloric acid? How did this gas behave in the presence of f ire?

Copyright 2019 - Hands-On Labs | http://holscience.com 2 / 6

Data Table 1: Gas Observations

The decomposition of hydrogen peroxide produced Oxygen. When the smoldering toothpick came into contact with oxygen, it started burning again and slowly went out.

3. What gas was produced by the decomposit ion of hydrogen peroxide? What happened when the smoldering toothpick came into contact with the gas?

Oxygen mixed with hydrogen; when exposed to a flame made a popping sound. A mixture of gases produce less amount of heat and solitary gases produce a high amount of heat.

4. Compare the behavior of the mixture of gases with each solitary gas in the presence of f lame.

Oxygen mixed with hydrogen; when exposed to a flame made a popping sound. A mixture of gases produce less amount of heat and solitary gases produce a high amount of heat.

5. Outline the procedures you would use to determine whether a gas sample was composed of hydrogen or oxygen.

Copyright 2019 - Hands-On Labs | http://holscience.com 3 / 6

Exercise 2

Chemicals Observations

HCl + Zn

Hydrogen Gas + Flame

Mn + H O

Oxygen gas + Smoldering Toothpick

Gas Mixture + Flame

Bubbled quickly and started to rise to the top.Gas is being released in the form of bubbles.

A chemical reaction occurred where the gas was released quickly. With the smoldering toothpick you heard a popping sound. The flame went out.

2 2 Fizzing and bubbling and water is being displaced into hydrogen gas. The precipitate in the test tube turned a brownish color.

Cloud of water vapor and gas. The toothpick glowed and was reignited.

The tooth pick glowed followed by a popping sound and then the flame went out.

Copyright 2019 - Hands-On Labs | http://holscience.com 4 / 6

Step 1: CH3COOH (aq) + NaHCO3 (s)--->CH3COONa (aq) + H2CO3 (l)

Step 2: H2CO3 (aq) --->H2O (l) + CO2 (g)

If you add them both together :

CH3COOH(aq) + Na2CO3(s) —> CH3COONa(aq) + CO2(g) + H2O(l)

1. T he chemical equation for the reaction of baking soda (sodium bicarbonate, NaHCO ) and vinegar (acetic acid, CH COOH) may be written as two steps. Fill in the missing information for the chemical equation.

Step 1: _____ + _____ → CH COONa(aq) + H CO (aq)

Step 2: H CO (aq) → H O(l) + _____.

3 3

3 2 3

2 3 2

Ca(OH)2 (aq) + CO2 (g) --->CaCO3 (s) + H2O (l)

The reaction took place when a fizzing of CO2 gas released. The limewater turned cloudy with a precipitate. The calcium carbonate was produced as a salt which turned the solution into cloudy precipitate, which shows that CaCO3 is not soluble in water.

2. Write a chemical equation for the reaction of CO and limewater (Ca(OH) ). Write a physical description of the products formed.

2 2

Copyright 2019 - Hands-On Labs | http://holscience.com 5 / 6

Data Table 2: Carbon Dioxide Reaction Observations

When the BTB was exposed to the CO2 gas, BTB is blue and becomes yellow. The color change indicates the presence of an acidic substance. The acid is H2CO3 carbonic acid.

CO2 + H2O —-> H2CO3

3. When the bromothymol blue (BT B) was exposed to the CO gas, what color was the solution? Did the BT B indicate presence of an acid or base?

2

The reaction between the antacid tablet and the tap water produces carbon dioxide gas. The flame test in Exercise 1 with hydrogen peroxide produced a popping sound the flame reignited. In the presence of CO2 gas, the flame was put out on the toothpick quickly. In the chemical reaction that occurs between the antacid tablet and water produces carbon dioxide which was shown by the bubbles that put out the flame completely.

4. Did the reaction between the antacid tablet and the tap water produce hydrogen, oxygen, or carbon dioxide gas? Support your answer with results f rom your work in both Exercise 1 and Exercise 2.

When air is exhaled in limewater, it turns slightly cloudy ; which shows carbon dioxide gas; which is what we exhale when we breath out. The precipitate did not dissolve in the solution. CO2 reacted with Ca(OH)2 to produce CaCO3.

5. Based on your observation of the reaction that occurred when limewater was exposed to your breath, what gas did you exhale? Support your answer with your observations in Data Table 2.

Copyright 2019 - Hands-On Labs | http://holscience.com 6 / 6

Reaction Observations

Ca(OH) + CO

CO + BTB

CO + Flame

Ca(OH) + Antacid/water gas

Antacid/water gas + Smoldering toothpick

Ca(OH) + Breath

2 2 Fizzing occurred and the lime water turned cloudy with precipitate.

2 The blue color solution (BTB) change to yellow.

2 CO2 gas put out the flame on the toothpick quickly with a little re lease of smoke.

2 Slight bubbling

Flame on the toothpick went out quickly releasing a little bit of smoke.

2 Lime water turned cloudy with a precipitate.

Homework is Completed By:

Writer Writer Name Amount Client Comments & Rating
Instant Homework Helper

ONLINE

Instant Homework Helper

$36

She helped me in last minute in a very reasonable price. She is a lifesaver, I got A+ grade in my homework, I will surely hire her again for my next assignments, Thumbs Up!

Order & Get This Solution Within 3 Hours in $25/Page

Custom Original Solution And Get A+ Grades

  • 100% Plagiarism Free
  • Proper APA/MLA/Harvard Referencing
  • Delivery in 3 Hours After Placing Order
  • Free Turnitin Report
  • Unlimited Revisions
  • Privacy Guaranteed

Order & Get This Solution Within 6 Hours in $20/Page

Custom Original Solution And Get A+ Grades

  • 100% Plagiarism Free
  • Proper APA/MLA/Harvard Referencing
  • Delivery in 6 Hours After Placing Order
  • Free Turnitin Report
  • Unlimited Revisions
  • Privacy Guaranteed

Order & Get This Solution Within 12 Hours in $15/Page

Custom Original Solution And Get A+ Grades

  • 100% Plagiarism Free
  • Proper APA/MLA/Harvard Referencing
  • Delivery in 12 Hours After Placing Order
  • Free Turnitin Report
  • Unlimited Revisions
  • Privacy Guaranteed

6 writers have sent their proposals to do this homework:

Top Academic Tutor
Calculation Master
Top Class Results
ECFX Market
Top Grade Essay
A Grade Exams
Writer Writer Name Offer Chat
Top Academic Tutor

ONLINE

Top Academic Tutor

Being a Ph.D. in the Business field, I have been doing academic writing for the past 7 years and have a good command over writing research papers, essay, dissertations and all kinds of academic writing and proofreading.

$35 Chat With Writer
Calculation Master

ONLINE

Calculation Master

I have read your project details and I can provide you QUALITY WORK within your given timeline and budget.

$50 Chat With Writer
Top Class Results

ONLINE

Top Class Results

I have done dissertations, thesis, reports related to these topics, and I cover all the CHAPTERS accordingly and provide proper updates on the project.

$37 Chat With Writer
ECFX Market

ONLINE

ECFX Market

I can assist you in plagiarism free writing as I have already done several related projects of writing. I have a master qualification with 5 years’ experience in; Essay Writing, Case Study Writing, Report Writing.

$19 Chat With Writer
Top Grade Essay

ONLINE

Top Grade Essay

As an experienced writer, I have extensive experience in business writing, report writing, business profile writing, writing business reports and business plans for my clients.

$22 Chat With Writer
A Grade Exams

ONLINE

A Grade Exams

As per my knowledge I can assist you in writing a perfect Planning, Marketing Research, Business Pitches, Business Proposals, Business Feasibility Reports and Content within your given deadline and budget.

$45 Chat With Writer

Let our expert academic writers to help you in achieving a+ grades in your homework, assignment, quiz or exam.

Similar Homework Questions

HRM 635-Training and Development - Fractional ownership - Film essay - Internet for it governance planning - Avocado and artichoke view of human nature - Mgt351 week 4 - MKGT201 - Audit tender document acca - A e haigh pty ltd - Science - BHS380 Module 1 Discussion Post 1 - Discussion B 7-2 - Praise is rising hearts are turning to you - Enterprise risk management syllabus - General lab safety experiment 1 neutralization of acids and bases - Exploring the properties of gases lab report answers - English COMP Essay - I have a test tomorrow - INter CAst :LOVE: Marriage +91-7023339183 problem solution molviji - Frankston community vaccination hub - bayside centre - DBBB - Riemann sums classwork answers - EARLY CHILDHOOD - Key signature cheat sheet - Data screening and transformation - Big data means big potential challenges for nurse execs - Discussion Topic - Single phase pole mounted distribution transformer - Relax - Supplementary bonding conductor size - Altium measure 3d height - Jennifer weissman boston ballet - ETHICS - A driver notices that her kg car - Ethical issues in aba therapy - The basic summary device of accounting is the - Bcg matrix of amazon ppt - Arcon articulator vs non arcon - Capella FPX 4905 Assessments: A Complete Guide for BSN Students - GGPLOT - Mgb steering rack lubrication - Interviewing principles and practices 15th edition pdf free - Hills reliance alarm system - Software project management plan - Joe biden anita hill nytimes - Inova fairfax human resources contact information - Australian national teaching standards - Spiritual meaning of geshem - Ecr glass fiber definition - Week 6 discussion board - Assignment(Digital forensics) - Building blocks of emotional intelligence - Bently nevada 3300 xl 5 8mm proximitor sensor manual - Miss marple mysteries in chronological order - Sample brd document for it project - Walmart point of sale system - Intercept cs cold sore prevention system shoppers drug mart - The armadillo poem analysis - DQ w7 635 - Aston uni wass appointment - The fifth discipline discussion questions - Stopping outshopping - Cannot copy and paste from pdf - 3 8 40 tap drill size - Accounting for state and local governments part 2 - The Old Testament Story - Job instruction sheet for counter person - Irobot mission statement - Advantages and disadvantages of working from home essay - HYPOTHESIS ASSIGNMENT- DUE IN 16 HOURS - HLS685 A1 - Lamb to the slaughter plot diagram - Frito lay company cracker jack case analysis - What is soft agar - Acetic acid density g ml - A doll's house nora monologue - What you pawn i will redeem annotated bibliography - Md in command prompt - Vegie delights hot dogs coles - How to calculate atom economy - First year university survival guide - Wizard of oz male characters - Woolworths prepaid visa card - Japanese knotweed waltham forest - And or nor xor - Consular electronic application center - Fashion from concept to consumer 9th edition pdf - Chinese cinderella chapter 11 summary - Empirical formula of caffeine - Dashboard analysis and nursing plan - Coke's european scare case study - 2.10 module project assessment world history - Ethical issues in psychological testing ppt - How social computing improves customer service - Discussion Question 6.2 - Nurs 6512 head to toe assessment - Business information system assignment - In which place is the first digit of the quotient - Chemistry Engineering test - Week 2 summary