A way of storing carbon in organic material is Burning fossil fuels or D all of these
the area of the square is: 100
the area of the circle is: 78.5
i THINK if you subtract it, it will be 21.5
Direct characterizaation is what the author says about the character.
So B would be correct
Answer:
element and compund
Explanation:
an element is the most basic substance that cannot be decomposed into anything simpler
an compound is a substance that is formed when two or more elements combine in constant ratio chemically
Explanation:
It correctly reads;
A group of students use a device to study the energy transfer during the chemical reaction between pieces of eggshell (calcium carbon) and vinegar (acetic acid). During the experiment they use the same mass of eggshell but the concentration of the vinegar varies, (1%, 3% and 5%). Answer:
1. Explain why the energy transfer is not the same between the three tests of the experiment.
2. Describe how the device could be modified so that it can MORE ACCURATELY measure the energy transfer in each reaction.