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The gas cannot be made out of our starting material. Our starting materials were just water (a liquid) baking soda and citric acid (solids). Properties don't change for a substance so gas could not be produced from liquid and solids.

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The gas can't be the same starting material. We just added water, CA, and BS they will just get mixed up making a new material/gas. The starting substance can't be the same substance as the gas produce from the water, CA, and BS.

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It is a different substance because if it were to be any of the substance then you would only need one substance to create gas bubble. For example if the substances were baking soda , citric acid and water then you would only need one of them to create a gas bubble. But you need all of them to create gas bubble which leads to a chemical reaction. Another example is look at the substances more closely is you notice they are all different thing like citric acid is a solid and baking soda and water is a liquid and gas bubble is a gas.

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The claim I have about the gas in the bubble are made when the the two powders collage or something like that in the water that makes a reaction that makes the bubbles which make the gas in the bubble.

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The claim I have about the gas in the bubble are made when the the two powders collage or something like that in the water that makes a reaction that makes the bubbles which make the gas in the bubble.

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I can’t be made out of the starting materials. Evidence: The water is a liquid and the citric acid and baking soda are solids so it can’t be any of the starting substances as neither is a gas. I used the Using computational thinking SEP by using thinking to know the gas isn’t part of the starting substances.
I used the Energy and Matter CCC by knowing the states of matter and using critical thinking to figure out that the gas can’t be a staring substance.

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The gas was not created out of the starting substances. My evidence for this was that in the beginning the water was a liquid and the baking soda was a solid. The materials of the solution don't change for one another there fore the gas was not created by the starting substances.

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Which combination of the substance in a bath bomb produce a gas? I think it is baking soda and citric acid because i did some research and  found out when you mix the two substance so i did it to make sure and it was correct so baking soda and citric acid make the gas.

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The gas is not the same substance. At room temperature, none of these could produce gas themselves, in order to make gas they have to combine. Therefore, the gas is  a different substance.

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The gas is not the same substance. At room temperature, none of these could produce gas themselves, in order to make gas they have to combine. Therefore, the gas is  a different substance.

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It’s the baking soda and water that will probably mix well to make bubbles evidence that support this claim is that when you mix it with baking soda sometimes it will dissolve and create bubbles with water so baking soda + water.

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when the baking soda and acid mixes it creates the gas bubbles. we know this becvause when we were testing the ingrdeint we found out that the baking soda when mixed with the acid does make the gas bubbles. But when i say acid i mean all acid because the lemon mix had acid in ti and that also made a fiz(a small one)because it hade some acid in it.

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when the baking soda and acid mixes it creates the gas bubbles. we know this becvause when we were testing the ingrdeint we found out that the baking soda when mixed with the acid does make the gas bubbles. But when i say acid i mean all acid because the lemon mix had acid in ti and that also made a fiz(a small one)because it hade some acid in it.

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The gas can't be made of the the starting materials.  Water is a liquid and the citric acid and baking soda are solids.  It cant be any of these becuase gas can't be created with from just solids and liquids.  

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The gas can't be made of the the starting materials.  Water is a liquid and the citric acid and baking soda are solids.  It cant be any of these becuase gas can't be created with from just solids and liquids.  