Chemistry, 21.08.2020 14:01 SmallPepsiCan7260

Which statement best describes a physical change? 1. Changes can occur to certain chemical properties of the substance, but the overall shape of the substance will remain the same. 2. Changes can occur to certain physical properties of the substance, but the overall shape of the substance will remain the same. 3. Changes can occur to physical properties of a substance, but the chemical composition of the substance remains the same. 4. Changes can occur to chemical properties of a substance, but the chemical composition of the substance remains the same.

Answers: 2

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 03:30, krharris

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

Answers: 2

continue

Chemistry, 22.06.2019 21:00, andrethisman88

Kp is the equilibrium constant for dissociation of the propionic acid dimer. what is the sign of the slope for a plot of the natural logarithm of kp vs. inverse temperature for this reaction?

Answers: 1

continue

Chemistry, 22.06.2019 23:00, antcobra

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse

Answers: 2

continue

Chemistry, 23.06.2019 04:20, tyrickdavis1

The equation below shows a chemical reaction. a + b + heat —> c + d according to the law of conservation of energy, which statement is true? a. the reactants absorb heat because they have less energy than the products. b. the products release heat because they have more energy than the reactants. c. the reactants generate heat because they have more energy than the products. d. the products require heat to form because they have less energy than the reactants.

Answers: 1

continue

You know the right answer?

Which statement best describes a physical change? 1. Changes can occur to certain chemical propertie...