Heisen escape

THE GREAT EsCAPE

Begin

Will you escape? Only you can decide your own fate.

What happened?

Dr. Heisenberg, your dear lab partner, felt betrayed that you did not give him any credit in your published study. He invited you to his house for dinner, where you suddenly passed out during the meal and awoke to see this basement wall. Do what you can to escape or else, you may never breathe fresh air ever again.

uh oh!

SUDDENLY, a yellowish-green gas starts pouring into the room. You have 5 minutes to escape ROOM 1 before the gas engulfs the room. The computer says that Dr Heisenberg has conveniently left a gas mask in a drawer

Find the Drawer...

uh oh!

Upon finding the drawer, you discover that it is locked by a digital lock on the drawer which requires a 3 digit code. The Numerical MCQ Choice, combined of the 3 questions will yield the 3-digit code.

QUESTION 1/3

1. Lead

2. Zinc

4. Aluminium

Testing solution with aqueous sodium hydroxide solution results in white ppt which dissolves in excess aqueous sodium hydroxide. What cation is most likely not present?

3. Calcium

Correct

Next question

QUESTION 2/3

1. Lead

2. Zinc

Testing solution with aqueous ammonia gives a white ppt that dissolves in excess aqueous ammonia What cation is most likely to be present?

3. Aluminium

Correct

Next question

QUESTION 3/3

1. Effervescence of pungent colourless gas

2. Effervescence of colourless gas that turns moist blue litmus paper red

3. Effervescence of colourless gas that extinguishes lighted splint with a pop

4. Effervescence of colourless gas that ignites a glowing splint

It is suspected that the substance is a nitrate. Our plucky protagonist adds dilute sodium hydroxide until the solution is alkaline, and adds a strip of 10g Aluminium. What test result is a positive test result for Nitrates?

What is the code to unlock the mask?

What is the code to unlock the mask?

What is the code to unlock the mask?

What is the code to unlock the mask?

UNLOCKED! click me

Correct Stage Completed.

Next Stage

Find the red box in the computer you checked

UNLOCK THE CCTV Screen

UPON MORE EXPLORATION, YOU FIND ANOTHER SCREEN WHICH MAY HAVE MORE INFORMATION ABOUT HOW TO ESCAPE IN THERE. UNLOCK THE SCREEN BY ANSWERING A SERIES OF QUESTIONS, OR PERISH IN THE ROOM....

QUESTION 1/3

124 Thousand Tonnes

In 1990, there were 600K tonnes of CFCs in the atmosphere. 80% of them were trichloroflurocarbon, CFCl3. It will decompose via the process: Chlorine free radicals then destroy the ozone. Using the data, calculate the mass of Cl atoms present in 1990.

120 Thousand Tonnes

Correct

Next question

QUESTION 2/3

Sulfur Dioxide

Sulfur Gas

Flue Gas

Carbon Monoxide

What gases can Flue Gas Desulfurisation remove?

Correct

Next question

QUESTION 3/3

True

True or False? All air pollutants are acidic in nature.

False

Correct Stage Completed.

Next Stage

Loading THE FOOTAGE...

AS YOU INSERT THE CCTV FILE INTO THE CD PLAYER, THE FOOTAGE STARTS PLAYING INSTANTLY. IT LOOKS TO BE A DARK AND ABANDONED MACHINE, BUT SOMETHING JUST SEEMS PECULIAR ABOUT THE MACHINE.... TRY TO INVESTIGATE

Find the BLINKING clue in the CCTV footage you accessed

The clue leads somewhere?

AFTER CLICKING THE LIGHT, THE COMPUTER SEEMS TO GLITCH... A COMPUTER WARNING THEN PROCEEDES TO SAY, "ANSWER ALL THE FOLLOWING QUESTIONS, OR I WILL DELETE ALL FOOTAGE..."

QUESTION 1/5

28

56

20

How many moles of oxygen are required in a hydrocarbon reaction in a catalytic converter?

Correct

Next question

QUESTION 2/5

Carbon monoxide harms the environment directly

Unburnt hydrocarbons are wasted

Drivers cannot see

Choose the WRONG disadvantage of incomplete combustion in a car engine

Correct

Next question

To save money

QUESTION 3/5

To increase the SA:V ratio of the catalyst

In catalytic converters, catalysts like platinum are coated on aluminium beads. Why are they coated on aluminium beads rather than being used on their own?

To decrease the SA:V ratio of the catalyst

To allow the reaction of aluminium and platinum to extend the life of the catalyst

Correct

Next question

A catalyst is a aqueous substance that speeds up the rate of a chemical reaction without being chemically altered

A catalyst is a solid substance that alters the rate of a chemical reaction

A catalyst is a chemical substance that alters the direction of equilibrium in a system in Le Chanteliers’ Principle

QUESTION 4/5

A catalyst is a chemical substance that provides an alternative pathway of lower activation energy that increases the rate of the reaction but remains chemically unaltered

What is a catalyst? Choose the most descriptive answer.

Correct

Next question

QUESTION 5/5

O.s. of Oxygen reduced from 0 to -2, from O3 to NO2, so oxidation occurs. O.s. of Nitrogen increased from +2 to +4, from NO to NO2, so oxidation occurs

O.s. of Nitrogen reduced from 0 to -2, from O3 to NO2, so reduction occurs. O.s. of Oxygen increased from +2 to +4, from NO to NO2, so oxidation occurs

Ozone reacts with nitric oxide in the lower atmosphere to form nitrogen dioxide according to the equation: Explain why this reaction is considered a redox reaction in terms of oxidation states (O.s).

O.s. of Oxygen reduced from 0 to -2, from O3 to NO2, so reduction occurs. O.s. of Nitrogen increased from +2 to +4, from NO to NO2, so oxidation occurs

O.s. of Oxygen reduced from 0 to -2, from O3 to NO2, so reduction occurs. O.s. of Ozone increased from +2 to +4, from NO to NO2, so reduction occurs

Correct Stage Completed.

Next Stage

CCTV

AFTER WATCHING THE FOOTAGE, YOU NOTICE A SMALL NOTE IN THE CORNER OF THE SCREEN, IT SAID: "Look around the lab for other possible clues..." YOU NOTICE SOME BROKEN GLASS AROUND THE LAB, AND LOOK TO INVESTIGATE

Broken glass...

PICKING UP THE GLASS SHARDS, YOU NOTICE THAT IT SAYS "Phillips Lightbulb 1111W" IT APPEARS TO HAVE CHEMICAL INSCRIPTIONS ON IT, AND YOU TRY TO FIND OUT MORE

Find the broken lamp in the lab....

LIGHTBULB

PIECE TOGETHER THE SHARDS OF THE LIGHTBULB VIA ANSWERING THESE 5 QUESTIONS

QUESTION 1/5

True

True or False? We can use the glowing splint test for the test for Hydrogen Gas.

False

Correct

Next question

Zn2+

Fe2+

QUESTION 2/5

Which of the following cations forms a hydroxide salt that is soluble in aqueous ammonia?

Cu2+

Pb2+

Correct

Next question

QUESTION 3/5

Due to the heat of the exhaust gases causing Oxygen to dissociate from Carbon Dioxide, forming Monoxide

Why are nitrogen oxides and carbon monoxide found in car emissions?

Due to incomplete combustion of hydrocarbons and the combination of Nitrogen and Oxygen in a car’s exhaust

Correct

Next question

QUESTION 4/5

KEYPAd:

Arrange the following steps in order to gain solid copper(II) chloride. Not all steps are required

10

1. Evaporate the filtrate to dryness and take the leftover solid2. Add solid silver chloride to aqueous copper(II) nitrate in excess 3. Wash the solid/crystals with a small amount of cold water and dry between pieces of filter paper 4. Crystallise the filtrate and take the crystals formed 5. Filter the mixture to gain the residue 6. Filter the mixture to gain the filtrate.

QUESTION 4/5

KEYPAd:

Arrange the following steps in order to gain solid copper(II) chloride. Not all steps are required

10

1. Evaporate the filtrate to dryness and take the leftover solid2. Add solid silver chloride to aqueous copper(II) nitrate in excess 3. Wash the solid/crystals with a small amount of cold water and dry between pieces of filter paper 4. Crystallise the filtrate and take the crystals formed 5. Filter the mixture to gain the residue 6. Filter the mixture to gain the filtrate.

QUESTION 4/5

KEYPAd:

Arrange the following steps in order to gain solid copper(II) chloride. Not all steps are required

10

1. Evaporate the filtrate to dryness and take the leftover solid2. Add solid silver chloride to aqueous copper(II) nitrate in excess 3. Wash the solid/crystals with a small amount of cold water and dry between pieces of filter paper 4. Crystallise the filtrate and take the crystals formed 5. Filter the mixture to gain the residue 6. Filter the mixture to gain the filtrate.

QUESTION 4/5

KEYPAd:

Arrange the following steps in order to gain solid copper(II) chloride. Not all steps are required

10

1. Evaporate the filtrate to dryness and take the leftover solid2. Add solid silver chloride to aqueous copper(II) nitrate in excess 3. Wash the solid/crystals with a small amount of cold water and dry between pieces of filter paper 4. Crystallise the filtrate and take the crystals formed 5. Filter the mixture to gain the residue 6. Filter the mixture to gain the filtrate.

QUESTION 4/5

KEYPAd:

Arrange the following steps in order to gain solid copper(II) chloride. Not all steps are required

1. Evaporate the filtrate to dryness and take the leftover solid2. Add solid silver chloride to aqueous copper(II) nitrate in excess 3. Wash the solid/crystals with a small amount of cold water and dry between pieces of filter paper 4. Crystallise the filtrate and take the crystals formed 5. Filter the mixture to gain the residue 6. Filter the mixture to gain the filtrate.

10

CODE CORRECT!

Ammonium nitrate

QUESTION 5/5

A farmer heated some fertilizer with NaOH solution, and a gas that turns moist red litmus paper blue was evolved. The fertilizer was then dissolved in water, and when dilute HCl and BaCl2 was added, a white precipitate was formed. What salt did the fertilizer contain? of the following cations forms a hydroxide salt that is soluble in aqueous ammonia?

Ammonium sulfate

Potassium nitrate

Potassium sulfate

Correct Stage Completed.

Next Stage

Big trouble now

AS YOU ARE LOGGING INTO THE LAST COMPUTER, YOU HEAR A OMINIOUS CREAK BEHIND YOU.... IT'S DR.HEISENBERG. THE COMPUTER SHOWS THAT YOU NEED TO LOGIN, AND ALSO NEED A PHYSICAL KEY SOMEWHERE IN THE LAB TO OPEN THE DIGITAL GARAGE DOOR, HURRY!

Correct

Next question

GRAB the DIGITAL KEY you need!

Carbon Monoxide reacts with the air, resulting in a toxic byproduct

The excess Oxygen will cause the Carbon Monoxide to be volatile, causing the engine to be prone to combustion

Air will cause the Carbon Monoxide to form free radical Carbon atoms

QUESTION 1/5

The excess Oxygen will corrode the engine, speeding up the process of rusting

In a car engine, if a large amount of air was taken into the engine with the fuel (in excess), Carbon Monoxide formed in the hot engine made of steel would burn away, avoiding the problem of Carbon Monoxide emission. However, this poses another problem. Suggest what this problem is.

Correct

Next question

To promote the growth of trees

QUESTION 2/5

It traps excess heat and warms the earth

Scientists around the world are currently experimenting with using propane as a jet fuel. Explain why carbon dioxide emitted from the combustion of propane is harmful to the environment.

Carbon dioxide reacts with rainwater to form carbonic acid which greatly harms the environment

It binds with haemoglobin to form carboxyhaemoglobin

Correct

Next question

Nuclear energy

Fridges

QUESTION 3/5

The extraction of natural gas like propane results in high amounts of methane being released into the atmosphere. What is another major source of methane?

Cow farts

Matthew Budiman

Correct

Next question

Bleach

QUESTION 4/5

Hair Spray

Use of which of the following household items can result in damage of the ozone layer?

Dishwashing Liquid

Handsoap

Correct

Next question

QUESTION 5/5

True

True or False? Both Carbon Dioxide and nitrous oxide contribute to global warming.

False

Mission Complete

You've escaped

Just leave the place

Are you sure you want to go out?

You will lose progress

exit

back

MISSION FAILED

You've died......

try again

MISSION FAILED

Awooga.. Budiman disapproves

try again

YOU ARE FREE!!!

the base