The pH of a substance can only be determined when it is
a) dried in a powder
b) frozen
c) dissolved in water
d) heated
It’s frozen
B
Answer:
I'm very sure it's thermal energy.
Explanation:
He put iron with sulfur and oxygen and it had a few more errors and iron is a metal the other two are nonmetals
A four cycle engine works with 4 basic steps to a successful rotation of the crankshaft: the intake, compression, power and exhaust stroke. Each engine cylinder has four openings for the intake, exhaust, spark plug and fuel injection. ... The compression makes the air-fuel combination volatile for easier ignition.
combustion is when you burn something in presence e of oxygen and the products will be mainly the CO2 and H2O
