Answer:
true
Explanation:
A single replacement reaction is a reaction that an element is displaced with another element in a compound
A+BC------AC+B
Mg+2HCl-------MgCl2+H2
Positively charged and the sodium ion would be a cation
Answer:
Knowledge of facts
Explanation:
All of these are inherited traits: Color, Height, and Shape
but Knowledge is a learnt trait
Answer:
5.2 moles of KClO₃ are needed
Explanation:
Given data:
Number of moles of potassium chlorate needed = ?
Number of moles of O₂ formed = 7.8 mol
Solution:
Chemical equation:
2KClO₃ → 2KCl + 3O₂
now we will compare the moles of KClO₃ and O₂.
O₂ : KClO₃
3 : 2
7.8 : 2/3×7.8 = 5.2
5.2 moles of KClO₃ are needed.
Answer:
Reduction reaction
This is so because considering the reaction Cu 2+ has been reduced to Cu(s) by losing two electrons , and any other element that undergoes this stage is termed as a reduction reaction.
Hope this helps
