Answer:
- breaking it down into sections
-learn the element song
-use colors to learn the element groups
Explanation:
what also may help which is time-consuming is writing it out over and over if not I would prefer to learn the song it may seem childish a little but it will help in the long run.
Answer:
6. 350kg
7. 800kg
8.600 meters
Explanation: I don’t like Stealing point but this is what I think I should give you and I don’t know how your teacher learn you this...
Activation energy is the energy that is required in order for a reaction to occur, i.e. break and form new bonds.
Answer:- 0.143 M
Solution:- HCl and NaOH reacts in 1:1 mol ratio as shown in the below reaction:
Let's calculate the initial moles of HCl and the moles of NaOH added to it:
= 0.075 mol HCl
= 0.025 mol NaOH
Since they react in 1:1 mol ratio, 0.025 mol of NaOH will react with 0.025 moles of HCl.
Remaining moles of HCl = 0.075 - 0.025 = 0.050
Total volume of the resulting solution = 0.250 L + 0.100 L = 0.350 L
So, the concentration of HCl in the resulting solution =
= 0.143 M
Hence, the concentration of HCl acid in the resulting solution is 0.143 M.