Answer:
b hope I am right if not I am so sorry
Explanation:
Answer:
Diatomic molecules are molecules composed of only two atoms, of the same or different chemical elements. The prefix di- is of Greek origin, meaning "two". If a diatomic molecule consists of two atoms of the same element, such as hydrogen (H2) or oxygen (O2), then it is said to be homonuclear.
Explanation:
I did it before
Answer:- 38.2 g.
Solution:- The equation used for solving this type of calorimetry problems is:
where, q is the heat energy, m is mass, c is specific heat and delta T is the change in temperature.
Water temperature is increasing from 14.5 degree C to 50.0 degree C.
= 35.5 degree C
q is given as 5680 J and specific heat value is .
The equation could be rearranged for m as:
Let's plug in the values in it:
m = 38.2 g
So, the mass of water in the kettle is 38.2 g.
Answer: The standard cell potential for the cell is +0.51 V
Explanation:
Given :
The given reaction is:
As nickel is undergoing reduction, it acts as cathode and Zinc is undergoing oxidation, so it acts as anode.
where both are standard reduction potentials.
Thus putting the values we get:
Thus the standard cell potential for the cell is +0.51 V
Answer:
b they lose kinetic energy
Explanation:
when an object is cold the slower the kinetic energy