Chem Tekky RAG Flashcards
On a hot day, what should you do with a fridge compared to on a cold day with regards to opening and closing? Why?
Write down an organic reaction you have studied at school and explain its mechanism.?
What makes some chemicals explosive?
Why does paint dry?
How would structures change if orbitals could only occupy 6 electrons compared to 8? What consequences would this have?
How many molecules are there in the glass of water on a table?
This is the ball and stick model of a trigonal pyramidal molecule. WHat are the limitations of this model?
Why does the boiling point of water rise as salt is dissolved in it?
Explain why ice is less dense than water.?
Why does iron rust? How can you prevent this? Is this ecological?
What is the concentration of water?
How would you measure pH if I told you how many hydrogen ions there were?
Why are the structures of CO2 and SiO2 different?
Draw the structure of Al2Br6 and describe the bonding. ?
How many different molecules can be made from six carbon atoms and twelve hydrogen atoms?
A container with liquid nitrogen is left in a laboratory, and its temperature is being recorded over a long period. The recorded temperature shows variations. Why?
Explain why F2 has weaker bond strength than Cl2 even the bond length of F is shorter than Cl?
How can we estimate the mass of the atmosphere?
Is a molecule only stable if C forms all 4 bonds?
Why is the sky blue?
Why is glass transparent but the sand that it is made from not?
Why do we use water to dilute solutions?
Why is vanadium so special?
When do you think oil will run out?
