Question

Помогите расставить коэффициенты и определить тип реакции. ПОЖАЛУЙСТА! Mg + 2HCI = H2 + MgCl2 2Hl + O2 = l2 +H2O 2Al + V2O5 = Al2O3 + 2V Br + k2l = KBr + l2 15 баллов.

Answer 1

1)с коэф. правильно, замещение

2)4HI+O2=2I2+2H2O, замещение

3)10Al+3V2O5=5Al2O3+6V, замещение

4)2Br+2K2I=2KBr+I2, замещение

Answer 2

Balancing Chemical Equations and Determining Reaction Types

To help you balance the chemical equations and determine the reaction types, let's go through each equation one by one:

1. Mg + 2HCl = H2 + MgCl2 - This is a single displacement reaction (also known as a redox reaction). - To balance the equation, we need to ensure that the number of atoms of each element is the same on both sides of the equation. - The balanced equation is: Mg + 2HCl = H2 + MgCl2 [[1]].

2. O2 = l2 + H2O - This is a decomposition reaction. - To balance the equation, we need to ensure that the number of atoms of each element is the same on both sides of the equation. - The balanced equation is: 2O2 = 2l2 + 2H2O [[2]].

3. 2Al + V2O5 = Al2O3 + 2V - This is a combination reaction. - To balance the equation, we need to ensure that the number of atoms of each element is the same on both sides of the equation. - The balanced equation is: 4Al + 3V2O5 = 2Al2O3 + 6V [[3]].

4. Br2 + 2Kl = 2KBr + l2 - This is a double displacement reaction. - To balance the equation, we need to ensure that the number of atoms of each element is the same on both sides of the equation. - The balanced equation is: Br2 + 2Kl = 2KBr + l2 [[4]].

I hope this helps! Let me know if you have any further questions.