Portiamatthiesen Portiamatthiesen

07-10-2021
Biology

contestada

Which of the following is an indication of a chemical reaction?
Ofreezing
O melting
O release of heat
O all of the above

Respuesta :

Аноним Аноним

07-10-2021

Answer:

• Release of heat.

Explanation:

• In exothermic chemical reactions, heat is released due to multiple collisions of the reactant molecules.

→ Freezing and melting are physical changes.

• Other physical changes are;

sublimation
condensation
evaporation

[tex].[/tex]

Answer Link

Otras preguntas

Which of the following would have the greatest effect on natural selection within a geographically isolated population of elephants? A. DNA replication B. av

Solve both questions please ❤️❤️

The sun has a radius of about 695,000 km. What is the volume of the sun (in scientific notation, using 3 decimal places in the mantissa)?

Can you please convert the following series into summation notation?Write each series in summation notation beginning with k = 1.1. [tex]\frac{1}{2} +\frac{2}{3

which of the following states fought for the confederacy during the civil war

An industrial laser cuts steel plates that are 11.93 meters long. The laser can have an error value of at most 0.02 meters. The inequality |x − | ≤ can be use

Which was one of the causes that led to the Great Sioux War in 1876?

HELP ME PLZZZ WILL GIVE BRAINLIEST Which of the following contributed to the end of the Cold War? Select all that apply. The START program reduced and destroyed

1. What was a common smell in early Roman mornings in AD 79? a. bacon and eggs b. ash and smoke c. human waste d. cattle moving from the west 2. The streets

Which of the following statements about industry and production in the United States and Canada is false?