Density of a Gas

Claim: The mass of gas is significantly less than that of the density of solids and liquids.

Evidence: The density of gas is far less than the density's of a solid or a liquid. In a particle model of gas the particles are fewer and more spread out. Compared to the particle model of a liquid which would have a few more particles that would be closer together. The particle model of a solid is the most dense and as the most amount of particles in it. It has more particles because these particles are a lot closer together than that of a gas or a liquid. Each state of matter has different particles which are not the same at all.



Reasoning: Looking at the particle models it is clear to see the different density's between the different states of matter. The average density for copper is 8.25. The average density of water is 1.00. The average density that we got for Carbon Dioxide was .00112903(g/cm³). The density is the mass divided by the volume. The mass is the amount of matter in an object. The volume is the amount of space that an object takes up.

Solid                                                

Liquid

Gas

Claim: the shapes can hold almost the same amount of water as the outside volume is

Reasoning: because the shell of the shape is only a little bit more that the inside

evidence: the volume units data

Density of a Gas

Claim: The density of a gas is less than the one of liquid and solid.

Evidence: The density of the gas is far less than that of a liquid or a solid. The density of a gas on a particle model is spaced out and has very few particles that are close to each other. The density of a liquid has more particles than that of a gas but has fewer particles than that of a solid. On the particle model of a liquid is has more particles than the gas. The particles are still spaced out but not as far as the ones in the gas particle model. The particle model of a solid is the biggest out of the three elements. On a particle model the particles of a solid are very close together. All three elements have different particles they aren't the same at all.

            

 

Reasoning: By the particle models you can clear see that the density of a gas is                                           so much less than liquid or solid. The average density for copper is 8.25. The average density of water is 1.00. The average density for carbon dioxide is 0.038. The real carbon dioxide level is 0.04 percent (440 ppm) as of 2014. Which "ppm" means parts-per notation. 

Gas Particle Model 

Liquid Particle Model

Solid Particle Model

Volume Units Lab

Claim- The claim was that the the water measurements and the ruler measurements would be the same because a 1 cm^3 is the exact same as a 1 ml.



Evidence:
























The graph shows that they were close to each other the whole time, I think that they weren't perfect with each other because there might have been little errors. Such as we might have been part of a cm off when we used the ruler or when we were measuring in ml we could have been off a bit. The equation was W=(0.9212mL/cm^3)r+0mL.The slope is 0.9212mL/cm^3. The y int is 5.630 mL.

Reasoning: The slope stays consistent the whole way so i know that 1cm^3 is the same as 1 ml. So that means that the means that the outcome of the slope should be the same but there was a little error.

station #3  claim: when you mix both chemicals together the mass would be the same

 Reasoning: nothing nothing left the system.

Evidence: mass lab stations class data

Mass Lab Station 1

In lab 1 we were suppose to measure the fiber then pull it all apart and measure it again. My prediction was  that the mass would stay the same as long as everyone put back all the fiber that they pulled apart. For the most part everyone had the same mass before and after they pulled the fiber apart. My evidence that supports this is the histogram and it said there was just a slight change but not much. The change was very small and could have been from the scale miss reading the fiber. There was no way that the mass could have changed if we put all the fiber back into the beaker because nothing was being added or taken away from the fiber. I know that my claim is correct and its telling that there was no real loss or gain in this lab station.    

Mass Lab Station #6

This lab activity was to figure out if the mass of water would change after putting an alka seltzer tablet in there and letting it dissolve.
Claim: I believe that the mass would change. I believe this because you are adding another object into the water. The alka seltzer has mass on it own so it will just add that to the water when it is placed in there.
Evidence: After measuring the mass of the water in the container by itself, then adding the tablet and letting it dissolve we discovered there is change. There was a change because you are adding another object into the water.
Reasoning:The reasoning for why the mass changes almost explains itself. If you add another object to something else that has its own mass, then it will add mass to the other object.