A scientific question is a coherent question that can be used to develop a scientific hypothesis. Thus, a scientific question must be testable, verifiable, measurable and relevant to the topic of study. In the scientific method, the hypothesis is subsequently tested by experimental or observational procedures, where the results can be used to understand some particular aspect of the real world. On the other hand, a non-scientific question is a light conjecture which cannot be proved by using the scientific method.

8 0

3 years ago

Balance the following reaction :<br> Cac,(s) + H2O(1) --> CH2(g) + Ca(OH)2(aq)

sweet [91]

Answer:

CaC₂(s) + 2H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq)

Explanation:

We are given;

The unbalanced equation;

CaC₂(s) + 2H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq)

We are required to balance the equation;

We need to know that balancing of chemical equations involves putting the appropriate coefficients on reactants and products to ensure equal number of atoms of each element on both sides of the equation.
Balancing of chemical equations is a try and error method of making sure that the law of conversation of mass in chemical equations is obeyed.
In our case, the appropriate coefficients will be, 1, 2, 1, 1

Therefore;

The balanced equation will be;

CaC₂(s) + 2H₂O(l) --> C₂H₂(g) + Ca(OH)₂(aq)

6 0

3 years ago