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Chemistry

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Raquel Considine

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4y ago
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Cards in this guide (9)
What is a qualitative observation

A Qualitative Observation is an observation that uses the five senses. sight, smell, hearing, touch, and taste. An example of this would be: "This tree has bright green leaves that have soft bumps on them."

The opposite is a quantitative observation, which is measured in numbers, such as the weight or length of an object. For example, 5 pounds or 100 inches. For instance "The stratosphere begins 40 kilometers above the surface of Earth."

What macromolecule is made up of nucleic acids

DNA and RNA are made up of nucleic acids.

If water were a nonpolar molecule how would its properties be different

water would not be able to form hydrogen bonds (wrong)


Apex - Water would not rise inside plants :P

Can you hypothesize what function they could have in this process

Yes, they could have used a function that gave us a clue what you were talking about.

Which equation has water as a product in the chemical reaction-

bromine water? The reaction between hexene, bromine, and water is an addition reaction.

What is the purpose of the proper handling of experimental subjects


To ensure that good and reliable data are collected

When two substances are put in the same container and they do not attract each other why does this happen

The meaning is that these two substances cannot react.

Which best describes the nucleus of an atom

It is the part of the atom with the greatest mass.

Look at the diagram below. Which best describes the structure labeled X in the diagram

A membrane protein is transporting substances. APEX

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