How do u find which is physical or chemical changes

Food deteriorates more slowly in a refrigerator because

If a parent cell has 23 chromosomes and reproduces asexually through mitosis, how many chromosomes will each of its daughter cells have?

Why is dilute, not concentrated, hydrochloric acid used during preparation of cyclohexaanol?

9.65 lb / ft^3 to g/mL

Which of the following would not be considered an ionic compound? CuCO3 Ca (OH) 2 co2 Naci

If a car tire has a diameter of 3232 inches, what is the approximate circumference of the tire?

9) Bettina spoke into a microphone during the school play to increase the sound of her voice so the audience could hear her speak.

Explain what happens to the average kinetic energy thermal energy and temperature of a substance when the particles in the substance slows down

Which of the following could be used to describe the rate of a reaction? change in time/change in concentration change in mass/change in concentration change in concentration/change in time change in concentration/change in mass

Planet X is a planet in our solar system. Planet Y is a dwarf planet. Identify their characteristics.