We welcome your feedback

Taking part in a short anonymous survey will help us to make your site experience better.

DISCOVER THE WORLD OF SCIENCE WITH EVONIK: "Baking Powder Fire Extinguisher"
You want to know how to put out a candle without blowing it out? Find out how by following the instructions below.
You want to know how to put out a candle without blowing it out? Find out how by following the instructions below.

What you need: 

Lighter 
Candle in a glass 
Empty glass 
Backing soda or Kaisernatron 
Spoon 
Vinegar 


How the experiment works: 

1. Place the tea light in a glass and light it. 
2. Fill a teaspoon with baking soda or Kaisernatron and carefully fill the soda into the empty glass. 
3. Carefully add vinegar to the soda.
4. Now hold the glass with the vinegar baking soda mixture over the candle and pretend to pour it out without letting any liquid run out of the glass.  

What did you observe? 


What happened:  A candle can only be lit and burn, if three things come together: Wax and wick, heat and oxygen. The liquid wax rises the wick and the heat of the flame splits the wax particles (pyrolysis). Now the oxygen comes into play, which reacts with the very reactive fragments. Carbon and water are formes and energy is released in the form of light and heat. The created carbon forms small soot particles which glow in the flame and then burn to carbon dioxide in the middle very hot part of the flame. If the flame is cooled down at this point by blowing into it or by wind draught, the candle will soot


Explanation: Soda or sodium hydrogen carbonate (from the baking soda) reacts with vinegar to form carbon dioxide (CO2). Carbon dioxide is not combustible and because it is heavier than air, the glass fills up slowly. If you now "pour" the glass over the candle, the carbon dioxide displaces the oxygen around the flame and thus prevents it from continuing to burn. 


Watch our video tutorial:


Find more experiments in our Gallery

TAGS
#ExploringOpportunities
#YoungSpirit
#News
#GrowingTogether

News
#WhyWeDoIt
#WhyWeDoIt - CARLOS
We asked Carlos for his ""WhyWeDoIt - Everyone feels an inner motivation to do the things they do. What is it that drives you?".
People Insights
PEOPLE INSIGHTS - TRACY
Tracy is a Principle Project Manager at Evonik’s Birmingham, Alabama site.
NETWORKS@EVONIK
INTERNSHIP IN CHALLENGING TIMES
David is member of the UNITECH International Program and for his internship moved to Hanau.
News
EVONIK'S SUSTAINABILITY PERFORMANCE WINS PLATINUM RATING
The EcoVadis rating agency has awarded Evonik a "platinum" rating for its sustainability performance.
People Story
DIRK AND MAXIMILIAN
In a new format of our People Stories, Maximilian and Dirk tell how their professional paths came together.
NEWS
"EBUDDY" PROJECT CELEBRATES ITS FIRST ANNIVERSARY!
It's been a year now - the eBuddy project was launched in 2019 during the German "Speed-Up Conference".
News
EVONIK IS AWARDED FOR THE FOURTH TIME
Evonik belongs again to the top 1% employers in Germany and takes the first place in the chemicals sector for the fourth time in a row.
News
EVONIK WINS HENKEL SUSTAINABILITY AWARD
Evonik reinforces its position as a sustainable specialties partner for the personal care and cleaning industry.
News
EVONIK CONTINUES TO LEAD BEYOND CHEMISTRY
Evonik’s Vancouver, Canada site donates to local charities.
News
DO YOU WANT TO IMPROVE THE FUTURE?
As part of the IIC at TU Delft, you get the chance to digitally work on an innovative case to reduce plastic waste with Evonik.
News
NEW HIRE VLOG 8: LOUIS FROM HANAU
In the latest episode of the New Hire Vlog, Louis shares with us the experiences he made during the onboarding process at Evonik.
News
EVONIK HOLDS ITS FIRST DIVERSITY BARCAMP
Evonik’s North American Diversity Steering Committee holds its first ever Diversity BarCamp.
News
EVONIK MAKES CHARITABLE DONATIONS
Evonik is helping university students who have been impacted by Covid-19 and food insecurity.
Award
EVONIK EARNS NEBRASKA GOVERNOR’S BIOSCIENCE AWARD
Evonik has been awarded the 2020 Governor’s Bioscience Award from Nebraska Governor Pete Ricketts.
NEWS
HAPPY STUDENT’S DAY STUDENTS@EVONIK
Today is International Students' Day and we want to celebrate it together with you. Learn more about our students at Evonik here.
NEWS
EVONIK RECEIVES AWARD FOR WASTE MANAGEMENT
Evonik’s Mobile, Alabama site took home an award from Partner in Environmental Progress (PEP) for its waste management program.
Bookboon
HOW TO INCREASE PRODUCTIVITY
Learn to achieve more in less time with our great eBook suggestions! We have over 800 free eBooks.
News
EVONIK PARTNERS WITH FEMTEC
Through this extensive network, Evonik supports the exchange of science and business and is in contact with the talents of tomorrow.
News
EVONIK IS ONE OF THE BEST EMPLOYERS FOR WOMEN
Employer study by the Brigitte magazine once again names Evonik as one of the best companies for women.
News
APPLICANT INFORMATION ON COVID-19
Until further notice, all job interviews will take place virtually to protect our applicants and employees.
Students@Evonik
THE RETURN OF THE INTERN
Mikayla tells us in her students@Evonik article about her experiences in the Care Solution Department in Richmond.
Meet the Team
HOW DO INNOVATIONS ARISE AT EVONIK?
In an interview, Carlos explains what it takes to make every employee at Evonik feel like an innovator.
News
EVONIK WINS SUSTAINABILITY CONTEST
Patrik Stenner, process engineer at Evonik, wins the Responsible Care contest of the German Chemical Industry eV.
Meet the team
"EVERYONE MUST BE ABLE TO RELY ON EACH OTHER"
Rianne talks about her dual studies and her exciting practical time at Evonik in Antwerp.
Let's Chat
Let's Chat