Answer:
1. Temp of gas 21C, 6.2
2.Temp of gas 294, Volume of gas 0.78cm3
Explanation:
Just answered on Edge
Too freaking many... or maybe not many at all
Answer:
Atom X will accept electrons from Atom Y.
Explanation:
Answer:
Reactants.
Step-by-step explanation:
The equation for the reverse reaction is
Z + Q ⟶ X + Y; ΔH < 0
A negative ΔH indicates that the energy has been given off.
The products X + Y are at a <em>lower energy level</em> than the reactants Z + Q, and the excess energy has been <em>transferred to the surroundings</em>.
physical change
particles retain there composition and identity
there is no change in there chemical properties of the substance
the chemical changes should be the other two.
If it is wrong I'm truly sorry.
