Automotive air bags inflate when sodium azide, NaN3, rapidly decomposes to its component elements. How many grams of sodium azide are required to form 15.62 moles of Nitrogen gas? 2NaN3(s)→ 2Na(s) + 3N₂(g) Express your answer to the correct number of significant figures and include the unit with your answer. Your Answer: Answer units

Automotive air bags inflate when sodium azide, NaN3, rapidly decomposes to its component elements. How many grams of sodium azide are required to form 15.62 moles of Nitrogen gas? 2NaN3(s)→ 2Na(s) + 3N₂(g) Express your answer to the correct number of significant figures and include the unit with your answer. Your Answer: Answer units

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.83PAE: 3.83 For the reaction of nitrogen, N2, and hydrogen, H2, to form ammonia, NH3, a student is...

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3.83 For the reaction of nitrogen, N2, and hydrogen, H2, to form ammonia, NH3, a student is attempting to draw a particulate diagram, as shown below. Did the student draw a correct representation of the reaction? If not, what was the error the student made?
3.82 The particulate scale drawing shown depicts the products of a reaction between N2 and O2 molecules. (a) Draw a similar representation for the reactants that must have been present before the reaction took place. (b) Write a balanced chemical equation for the reaction, using the smallest possible whole number coefficients.
4.36 Sometimes students in chemistry labs determine percentage yields greater than 100%. Assuming there is no calculation error, how could this happen?
This is the chemical formula for acetic acid (the chemical that gives the sharp taste to vinegar): CH,CO,H An analytical chemist has determined by measurements that there are 89. moles of carbon in a sample of acetic acid. How many moles of oxygen are in the sample? Be sure your answer has the correct number of significant digits. | mol x10
Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O.Suppose 61. g of hydrobromic acid is mixed with 44.1 g of sodium hydroxide. Calculate the minimum mass of hydrobromic acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits. I keep getting this problem wrong because of the sig. digits, dont round till the end because if it is off by 0.1, it will be incorrect.
Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O. Suppose 79.3 g of hydrobromic acid is mixed with 24. g of sodium hydroxide. Calculate the minimum mass of hydrobromic acid that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.
Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous sodium bromide NaBr and liquid water H2O . Suppose 36. g of hydrobromic acid is mixed with 10.9 g of sodium hydroxide. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.
Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s)+3Cl2(g)→2AlCl3(s) You are given 23.0 g of aluminum and 28.0 g of chlorine gas. If you had excess aluminum, how many moles of aluminum chloride could be produced from 28.0 g of chlorine gas, Cl2? Express your answer to three significant figures and include the appropriate units.
Balance the following chemical equation and determine the number of moles of Fe(s) produced when 1 moles of Fe203(s) react with excess C(s) to produce Fe(s) and CO2(g). Fe203(s) + C(s) → Fe(s) + CO2(g) O Respond with the correct number of significant figures in scientific notation (Use E notation and only 1 digit before decimal e.g. 2.5E5 for 2.5 x 105)
Liquid octane (CH3(CH2)6CH3) will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 8.00 gof octane is mixed with 18. g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.
Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H_2O). Suppose 47. g of hydrobromic acid is mixed with 38.5 g of sodium hydroxide. Calculate the minimum mass of hydrobromic add that could be left over by the chemical reaction. Be sure your answer has the correct number of significant digits.
An amount (in grams) of nitrogen gas is reacted with excess hydrogen, according to the balanced reaction shown below. If 104 g of NH3 is recovered, giving a percent yield of 42%, what was the mass of the nitrogen (in grams) that reacted? N2 (g) + 3 H2 (g) --> 2 NH3 (g) Report your answer as an integer, that is as a number with zero decimal places, and with no units. Do NOT use scientific notation.