The density is defined as
mass per volume
Mole is a unit of ....................
counting
Gasses have ............. density compared to liquids and solids
low
A number without a unit is like the USA without .......
free speech and democracy
How much is the full price monthly BKK pass?
9500 Ft
Which Greek mathematician used density to prove if gold in king's crown was pure?
Archimedes
The mass of a mole of a specific substance is determined by the ......................
atomic masses of its consisting elements
The person who was able to explain why pumps cannot pump water higher than 10 m was ...................
Torricelli
Which sea was once a part of Hungary according to Mr. Orban?
Adriatic sea
Can we use the BKK on a boat trip on Duna?
Yes, on weekdays
If we filled a bottle that contained previously oil with water, would its mass increase or decrease?
Increase
One mole of contains as many particles as ..................................
12g of C-12
The unit atm reflects........................
the atmospheric pressure at sea level
Elon has to sell ...................... stock to be able to buy Twitter.
Tesla
The airship Hindenburg exploded (got in fire) because .............................................
hydrogen reacted with atmospheric oxygen to produce H2O and heat
What is the density of water (approximately)?
1g/mL
C-12 is an isotope. Why is its mass determined by the mass of its nucleus (not electrons)?
Electrons are much more lighter and their number won't affect the mass of the atom much.
Avogadro discovered a law that says that equal amounts of gasses occupy the same volume. What is the volume of 1 mol of any gas?
22.4L
The oldest senior this year is.....................
Fanni
Which trams come to school? Name all 4
59,56,56A, 61
Which is the densest element?
Osmium
The mass of a substance can be calculating as the number of moles...........................
times its molar mass
Why does senior helium balloon burst in the upper atmosphere?
The atmospheric pressure lowers which causes the volume to expand causing the balloon to burst.
Which country has the most pyramids?
Sudan.
Titanic sunk on Apr 15 .................
1912