Answer:
Explanation:
We were told to rinse the buret with the base so that the concentration won't be messed up, but when it comes to the flask that is going to hold the acid, there is no need to rinse, because it would not affect the result if it has water in it.
Photosynethesis, respiration, and combustion.
MH₂: 2 g/mol
mNH₃: 17 g/mol
...............................
3H₂ + N₂ ---> 2NH₃
6g......................34g
6g H₂ ---- 34g NH₃
Xg -------- 13,09g
X = (6×13,09)/34
X = 2,31g H₂
As the plane rose, the pressure within the cabin reduced at a constant temperature. According to Boyle's law, the pressure and volume of a gas are inversely proportional, so the volume increased.
This increase in volume cause the balloons to pop.
Answer: Question 3
Group 14, Period 3 is a metalloid
Explanation: Question 3
The element in group 14, period 3 on the periodic table is Si. Metalloids are elements which share both non-metallic and metallic characteristics.
