Technology I
What software do we use to design in 3d?
Sketchup
What mechanism does a watch use?
Gears
Which Scientist put the name "plum pudding” to his atomic model ?
Thomson
Whis is the unit in the S.I of mass?
Kilogram.
I´m too young to drive. I´m not old__________
Enough
What is the instruction to stretch in one direction in 3D design?
Extrude
What is the unit of electrical resistance?
Ohm
What is the molar mass of water?
18 g/mol
How many moles are there in 59 g of CO?
2,1 mol
To fix something is to __________
Repair
What is the name of the most used plastic in the world?
Polyethylene
What is the capacity to produce work of an electrical device called?
Power
Balance this chemical equation:
Fe2(SO4)3 + KOH → K2SO4 + Fe(OH)3
Fe2(SO4)3 + 6KOH → 3K2SO4 + 2Fe(OH)3
How many grams are ther in 2,4 mol of CaO?
Atomic mass:
Ca: 40u
O:16 u.
134,59 g
He ___________(have a shower) when the telephone ___________ (ring)
was having a shower / rang
What is the process by which screw cap plastic bottles are manufactured?
Injection blown
What is the name of the brightness sensor that we use in Arduino?
LDR
How many molecules are there in 24 grams of FeF3?
Atomic mass:
Fe: 55,8 u.
F: 19 u
1.2×10^23 molecules
Balance this chemical equation:
Al2(SO4)3 + Ca(OH)2 → Al(OH)3 + CaSO4
Al2(SO4)3 + 3Ca(OH)2 → 2Al(OH)3 + 3CaSO4
We have lived in Jaén ________ 1983
Since
A rocker is a lever of ...
first grade
What is commonly used to move robotic arms?
Servomotors.
How many grams of I2 can we obtain with 3,4 moles of H2SO4?
H2SO4 + 8HI → H2S + 4I2 + 4H2O
Atomic mass:
I:127 u
5181,6 g.
How many moles of water do we need to obtained 340 grams of H3PO4?
P4O10 + 6 H2O → 4 H3PO4
atomis mass:
H:1
P:31
O:16
5,2 mol
If it __________(rain) a lot, I ____________(go out) tonight. I prefer watching a film at home.
rains / won´t go out