Physical change because ther is force which is the electric current
A. Protons, neutrons, and electrons
A
Is the correct answer
I’m 95% sure
Answer:
The correct answer to the question is
The standard heat of reaction for the reaction is
a. 216.8 kJ released per mole
Explanation:
The heat of reaction is given by [Heat of formation of products] - [Heat of formation of reactants]
In the question we have, heat of formation of the products Zn+2 (aq) = -152.4 kJ/mole and the heat of formation of the reactants = 64.4 kJ/mole
Therefore, the heat of formation of the reaction = (-152-64.4) kJ/mole or
-216.8 kJ/mole released
Answer:
The answer to your question is: B
Explanation:
Physical properties are properties that occurs in matter but there is not change in the composition.
A. Solid ice can be very brittle. This is a physical property.
B. Water can form hydrogen and oxygen gas under electrolysis conditions. Here there is a change in the composition of matter, this is an example of chemical property
C. Water can freeze solid at 32 degrees Fahrenheit.
This is a physical property.
D. Liquid water can turn into steam in a heated tea kettle. This is a physical property
E. none of the above This option is wrong because option B is correct.
