Answer: Acids have a sour taste. Lemons, vinegar, and sour candies all contain acids. Acids change the color of certain acid-base indicators. Two common indicators are litmus and phenolphthalein. This are som Characteristics of acid.
1) As carbon dioxide changes from solid state to gaseous state, the particles gain energy and move faster.
The molecule of CO2 gain energy which results in greater separation of each other and freer and faster movement
2) When a substance undergoes a change of state its mass does not change
<u>Answer: </u>
of volume needs to be pipetted out in the test tube.
<u>Explanation:</u>
We are given:
Mass of BSA to be formed = 
(Conversion factor: 
Volume of stock solution = 
(Conversion factor: 
It is also given that for the mass of BSA is 0.5 g, the volume used up is 1 mL
In order to have, 0.005 g, the volume of stock solution needed will be = 
Hence, of volume needs to be pipetted out in the test tube.
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The body size of this population of iguanas correlate with algae height because <span>Traits are exchanged between iguana and algae populations so that taller algae result in larger iguana populations</span>
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