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A chemical reaction has not occurred if the products have?
The same chemical properties as the reactants.
A chemical reaction in a living cell occurs in the presence of a specific protein molecule The concentration of this protein molecule remains the same before and after the reaction This protein mole?
This protein molecule is likely an enzyme, which facilitates the chemical reaction by lowering the activation energy required for the reaction to occur. Enzymes remain unchanged after the reaction and can be reused to catalyze multiple reactions. They are specific to the reaction they catalyze and are essential for the proper functioning of the cell.
Thorium-234 has a half-life of 24.1 days. How much of a 100-g sample of thorium-234 will be unchanged after 48.2 days?
Thorium-234 has a half-life of 24.1 days. How much of a 100-g sample of thorium-234 will be unchanged after 48.2 days?
For any pure substance the boiling point and melting point will always remain?
The melting point and the boiling point of a substance are physical characteristics for each substance and are unchanged at the same pressure.
If potassium neon and iodine mix what happens to neon?
Nothing will happen as neon is chemically inert.
Why is sugar dissolved in water?
The chemical structure of sugar remain unchanged.
Why dissolving sugar in water is physical?
The chemical structure of sugar remain unchanged.
How do the particle of water that evaporate from an open container differ from the particles that remain?
The chemical structure of water remain unchanged.
Why is the evaporation of water a physical property rather than a chemical property?
During evaporation the structure of water remain unchanged.
What characteristics of a protein remain after it is denatured?
When a protein is denatured, its molecular shape is altered. This alteration may or may not be reversible.What remains is the primary structure of the chain(s) of the protein, in other words the sequence of the amino acids.The tertiary structure referers to the overall three dimensional shape will be lost
When a gas or liquid is heated then its mass is?
The mass remain unchanged.
When sound wave refracted from air to water what will remain unchanged?
The frequency of the sound wave will remain unchanged when it refracts from air to water.
How many unchanges atoms would remain after 3 half lives if the initial sample had 600 unchanged atoms?
After 3 half-lives, half of the original sample would remain unchanged. After the 1st half-life: 300 unchanged atoms. After the 2nd half-life: 150 unchanged atoms. After the 3rd half-life: 75 unchanged atoms would remain.
Do enzymes get used up in a reaction, or do they remain unchanged and available to catalyze multiple reactions?
Enzymes remain unchanged and available to catalyze multiple reactions. They are not used up in a reaction.
Does temperature remain unchanged during vaporisation of a liquid?
yes
When water evaporates does its mass increase?
The mass remain unchanged.
What will happen if there is no physical and chemical change?
The system remain unchanged.
