• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Airbag design lab. Is it possible to use baking soda, NaHCO3(s), and 2.00 mol dm-3 HCl(aq) to generate a gas that will fill a zip-lock bag and act as an air bag?

Extracts from this document...

Introduction

Research Question: Is it possible to use baking soda, NaHCO3(s), and 2.00 mol dm-3 HCl(aq) to generate a gas that will fill a zip-lock bag and act as an air bag? Objectives: 1. To determine if baking soda and hydrochloric acid can create a suitable air bag 2. To determine the volume of hydrochloric acid needed Hypothesis: If given baking soda and 2.00 mol dm-3 HCl(aq), it is possible to create an effective airbag, if the correct quantity of each reactant is put into the reaction in order to create a distinct quantity of products. If an incorrect quantity was added, two possibilities can occur; a limp airbag or the airbag will be too firm and explode. In this investigation the limiting reagent is the 2.00 mol dm-3 HCl(aq) as oppose to the baking soda due to the dangerous nature of hydrochloric acid, in case of the airbag exploding if there is an excess of this compound the victim would possibly suffer burns and poisoning, while if there is an excess of baking soda the victim would not suffer additional injuries. ...read more.

Middle

Controlled Variable: The controlled variable in this experiment are temperature and pressure. These two factors are consistent throughout the experiment, if the pressure and temperature were not consistent the results would have changed substantially, and the proper quantities would not be able to be determined in order to obtain the products. Apparatus and Materials Materials Apparatus * 2.00mol dm-3 HCl(aq) * Baking Soda * Zip-lock plastic bag * Thermometer (�0.1�C) * 1000mL graduated cylinder (�0.1mL) *Safety precaution: When performing the experiment be sure to put on safety goggles. Procedure/Method: Preparation for the experiment: Construct two tables; qualitative data and quantitative. (as shown below) Be sure to record the uncertainties in the data collected in order to later address possible sources of error if the expected outcome does not occur. 1. Measure the volume of the ziploc bag by filling it completely up with water (make sure there are no air bubbles!) and pouring it into a large 1000 mL graduated cylinder. 2. Record the volume in your data table. 3. Record the given temperature and pressure that the teacher provides you in the data table. ...read more.

Conclusion

The using the chemical equation; NaHCO3+HCl--> H2O+CO2+NaCl showed that the mole to mole ratio between all of the reactants and products were the same. The number of moles of hydrochloric acid needed was determined, and from that the volume of the HCl from its 2.00 mol concentration was found. The volume of HCl then was subtracted from the volume of the Ziploc bag, to determine the volume that is left for the baking soda to occupy. With the new volume, the ideal gas law once again was used in order to determine the number of moles of baking soda needed. The moles of baking soda then was converted into grams to add into the bag. Finally, the calculations were all complete, and the reactants are added into the airbag. The firm effective airbag was achieved due to the exact amount of reactants needed in order to create the reaction, if the amount of reactants that were added were different then the following experiment would not have been as effective and would have resulted in either a limp airbag, or one that exploded from too high of a density due to too much compounds being present within, and too little volume. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our International Baccalaureate Chemistry section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related International Baccalaureate Chemistry essays

  1. Enthalpy Change Design Lab (6/6)How does changing the initial temperature (19C, 25C, 35C, and ...

    and HCl(aq) solutions in the 150 cm3 beaker will be monitored using Vernier temperature probes, connected to a Vernier LabQuest with DataLogger Pro collection software so that they are reacted when both reach the same temperature. [Note: A temperature of 19�C was selected as one of the lower variations because of the following reasons.

  2. Acids/Bases Design Lab. How does a change in the pH value of a solution ...

    Therefore, the dependent variable will be the mass of the zinc metal remaining after it's reaction with a hydrochloric acid solution with varying pH levels, with which it was allowed to react with for 1 minute. Control Variables: 1. In essence, the aim of the investigation is to determine how

  1. Investigation 1 ANALYSIS OF BAKING SODA

    Read the first volume number of NaOH. g. Add some NaOH in the mixture until the pink color just disappears.

  2. hess's law

    * ?Hp = (52.3 � 10.5 KJ mol-1) Calculating ?H: ?H = ?Ha - ?Hp Substituting the respective ?Ha and ?Hp values in the above expression, gives the following: ?H = (- 78.4 � 10.2 KJ mol-1) - (52.3 � 10.5 KJ mol-1)

  1. Gas Law Stoichiometry Through Airbag Simulation. The purpose of this lab is to ...

    This is because the baking soda produced CO2 which is a gas while the vinegar did not produce a gas.

  2. Titration of Na2CO3.xH2O with HCl

    The reading was taken from where the bottom of the meniscus coincided with a mark on the scale of the burette. 6) After doing all that, I had to repeat the whole thing again and again, till I had four readings of the volume of solution AA used up.

  1. Percent Yield Lab. This experiment has proven that KI is the limiting reagent ...

    Conclusion: In conclusion this experiment led students to find the limiting and excess reagent after their prediction of Pb (NO3)2(aq) +2KI (aq) PbI2 (s) + 2KNO3. The limiting reagent in the lab was KI because it had the least moles.

  2. IB Chemistry Lab Design - compare the effect of temperature on the concentrations of ...

    Initial Concentration of Ascorbic Acid solution If the initial concentration of ascorbic acid in the solution is different, then the final concentration will also be affected.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work