Biology

Biology, 03.07.2019 04:40, kels7618

During what kinds of processes are atoms and molecules rearranged? a. chemical b. physical

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Chemistry, 29.06.2019 07:30, tugordochulo1

Achemical reaction involves the rearrangement of atoms to form new molecules. during a chemical reaction, however, atoms are neither created nor destroyed. which of the following is true about the atoms involved in a chemical reaction? a. the total mass of the atoms involved in a chemical reaction always changes as the atoms are rearranged into new molecules. b. the total mass of the atoms involved in a chemical reaction will stay the same no matter how the atoms are rearranged. c. the total mass of the atoms involved in a chemical reaction will increase if a new compound is formed during the reaction. d. the total mass of the atoms involved in a chemical reaction will decrease if two molecules combine to form one single compound.

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Chemistry, 31.07.2019 18:00, jade611135

In a chemical reaction, the atoms or starting molecules, are different from the products or ending molecules. atoms are neither created, nor destroyed – simply rearranged asare and new are which occurs due to the transfer of .

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Chemistry, 24.08.2019 00:00, heroxtree

Atoms of a substance are rearranged 1.during both physical and chemical changes 2.atoms are never rearranged 3.only during a physical change 4.only during a chemical change

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Chemistry, 05.10.2019 04:00, emwvoidsnake

When placed in a freezer, liquid water turns into solid ice. why is this considered a physical change? a. the physical structure of the water molecules change as bonds are broken and atoms are rearranged.. b. only the motion and arrangement of the particles changes, not the identity of the substance.. c. the water molecules react when exposed to the cold temperature, causing the atoms to separate.. d. only the arrangement of the atoms within the molecules changes, not the distance between them

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