1. Questions

Science

Trini adds 10g of baking soda to 100g of vinegar. The mixture begins to bubble. When the bubbling stops, trini finds the mass of the resulting mixture. She determines its mass is 105g. Why has the mass changed?
A. A gas has formed and left the mixture
B. Vinegar evaporated during the experiment
C. Mixtures are always less massive than their parts.
D. Matter was destroyed when vinegar reacted with baking soda.

  1. 👍
  2. 👎
  3. 👁
  4. ℹ️
  5. 🚩
Jessica

  1. Vinegar evaporated during the experiment

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    Sam

  2. D is NOT correct

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    Ember

  4. from 2013 and no right answers? im already failing this test

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    naruto

  5. The baking soda reacts with the vinegar, producing a gas (the bubbling). When the bubbling stops, this indicates that the gas has evaporated from the mixture (left).
    A. A gas has formed and left the mixture

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    a

  6. Its B

    1. 👍
    2. 👎
    3. ℹ️
    4. 🚩
    tito

Respond to this Question

First Name

Your Response

Similar Questions

  1. health

    1.Why is soda considered bad for your teeth, particularly if you do not brush regularly? a) soda adds plaque to your teeth after drinking it b) soda does not completely rinse the excess food from teeth. c) soda eats away the

  2. chem

    Does baking soda and vinegar have a complete ionic equation? HC2H3O2 (aq) + NaHCO3 ===> NaC2H3O2(aq) + H2CO3(aq)----->H2O(l)+CO2(g)+2H2O(l)

  3. chemistry

    Baking soda is sodium bicarbonate, NaHCO3, and vinegar is primarily acetic acid, HC2H3O2. When baking soda is added to vinegar, the resulting reaction produces a tremendous amount of gas, as shown in this video. Complete this

  4. Chemistry

    Baking soda is sodium bicarbonate (NaHCO3). When you heat baking soda, it breaks down into sodium carbonate powder (Na2CO3), water vapor, and carbon dioxide. The enthalpy of this reaction is 129 kJ. Write a correct thermochemical

  1. Chemistry

    The solubility of KNO3 is 80g/100g water at 50 degrees and 10g/100g water at 0 degrees. The solubility of CuSO4 is 60g/100g water at 50 degrees and 20g/100g water at 0 degrees. A mixture contains 13.8g of KNO3 and 1.94g of CuSO4.

  2. chemistry

    2. Baking soda is sodium bicarbonate (NaHCO3). When you heat baking soda, it breaks down into sodium carbonate powder (Na2CO3), water vapor, and carbon dioxide. The enthalpy of this reaction is 129 kJ. Write a correct

  3. chem

    In order to neutralize the acid in 10.0 mL of 18.0 mol/L sulfuric acid that was spilled on a laboratory bench, sodium bicarbonate (baking soda) was used. The container of baking soda had a mass of 155.00g before this use, and out

  4. Chemistry

    Possible Sources of error in a reaction or sodium bicarbonate and acetic acid. Also known as baking soda and vinegar.

  1. Sience 6A A mystery investigation QC Answers

    1. A chemistry class is experimenting with iodine to see which common white powder items will react and make the iodine change color. Which item listed will have a chemical reaction with iodine?(1 point) A. salt B. cornstarch***

  2. science

    How many moles of baking soda are contributed by the 1/3 tsp. baking soda in this recipe? Assume that the density of baking soda is 1 g/ml and the molecular weight of baking soda is 84g/mol. Give your answer in moles, but without

  3. Science

    Which of the following does NOT happen when vinegar and baking soda react? true or False?

  4. Chemistry AP help

    7. A 100g mass of tungsten at 100 degrees C is placed in 200 mL of water at 20 degrees C. The mixture reaches equilibrium at 21.6 degrees C. Calculate the specific heat of tungsten. Ok, I tried working it out but I got q= 100g x

View more similar questions or ask a new question.