Answer:
Explanation:
1 Non-zero digits are always significant.
2 Any zeros between two significant digits are significant.
3 A final zero or trailing zeros in the decimal portion ONLY are significant.
In order to solve this, we need to make use of Hess' Law.
We are already given the equations and their corresponding deltaH. Using Hess' Law, we can generate this equation:
104 kJ = x - (-1182 kJ) - (-1144 kJ)
Among the choices, the answer is
<span>B.104 = x - [(-1182) + (-1144)]
</span>
Answer:
Everything around you can be broken down into smaller particles called atoms. The particles of one substance are all the same and different substances are made up of different particles.
Explanation:
Answer:
the mass number of the atom or ion is 6
