If the heat involved in a chemical reaction has a negative sign,
OA) heat is lost to the surroundings.
OB) heat is gained from the surroundings.
OC) no heat is exchanged in the process.

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

lol for the pointsss

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;

the answer is yes

it has kinetic energy

reason

an object has kinetic energy when you stop the force carrying it, the object will stay in motion.

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