Density
Moles
Gases
Random
Public transport
100

The density is defined as

mass per volume

100

Mole is a unit of ....................

counting

100

Gasses have ............. density compared to liquids and solids

low

100

A number without a unit is like the USA without .......

free speech and democracy

100

How much is the full price monthly BKK pass?

9500 Ft

200

Which Greek mathematician used density to prove if gold in king's crown was pure?

Archimedes

200

The mass of a mole of a specific substance is determined by the ......................

atomic masses of its consisting elements

200

The person who was able to explain why pumps cannot pump water higher than 10 m was ...................

Torricelli

200

Which sea was once a part of Hungary according to Mr. Orban?

Adriatic sea

200

Can we use the BKK on a boat trip on Duna?

Yes, on weekdays

300

If we filled a bottle that contained previously oil with water, would its mass increase or decrease?

Increase

300

One mole of contains as many particles as ..................................

12g of C-12

300

The unit atm reflects........................

the atmospheric pressure at sea level

300

Elon has to sell ...................... stock to be able to buy Twitter.

Tesla

300

The airship Hindenburg exploded (got in fire) because .............................................

hydrogen reacted with atmospheric oxygen to produce H2O and heat

400

What is the density of water (approximately)?

1g/mL

400

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.

400

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

400

The oldest senior this year is.....................

Fanni

400

Which trams come to school? Name all 4

59,56,56A, 61

500

Which is the densest element?

Osmium

500

The mass of a substance can be calculating as the number of moles...........................

times its molar mass

500

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.

500

Which country has the most pyramids? 

Sudan.

500

Titanic sunk on Apr 15 .................

1912