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.
Cord? Or maybe vein. But I strongly believe it’s cord
Answer:
There are no multiple choices
Flashcards or memorizing like saying the sentence, picking out a key word like ''green'', and then reciting it will help. Like yellow and blue make _____. Do this until you can remember it in the back of your mind. many study tips are posted on the internet! The limbic system in your brain is actually what stores memory.
Magnetic field i would say