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# A hydrogen-filled balloon was ignited and 1.50 g of ISBN: 9780321809247 1

## Solution for problem 29E Chapter 2

Chemistry: A Molecular Approach | 3rd Edition

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Problem 29E

A hydrogen-filled balloon was ignited and 1.50 g of hydrogen reacted with 12.0 g of oxygen. How many grams of water vapor formed? (Assume that water vapor is the only product.)

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Solution : Here, we need to fill the blanks of the table using the other data given in the table. An atom is the smallest particle of an element. Any atom of an element is made up of three subatomic pa rticles namely rotons, neutrons nd lectrons. These subatomic particles gives the element's atomic number and mass number. Protons a re p ositively charged particle, electrons gatively charged and neutrons a re neutral, which means there isno charge. In neutral state, an atom has qual number of protons and electrons. An atom’s atomic number gives number of protons a nd electrons. the sum of number of protons and neutrons gives the mass number of an atom. the difference of mass number and number of protons gives number of neutrons. Let’s consider a carbon(C) atom, to show the representation of atomic number and mass number. The following is the representation of atomic number and mass number of an element. Let’s consider all the atoms are in neutral state. Let’s consider the 1st set of data in the table, the symbol of the element is given as Br. We have to find the remaining data : Br is the chemical symbol of Bromine. The m ass number is obtained from the symbol given Br, it is : 7 9 From, the periodic table, we know atomic number of Br is 35. Atomic number gives the number of protons a nd electrons. Number of neutrons = mass number - number of protons Hence, Number of protons = 35 Number of electrons = 35. Number of neutrons = 79 - 35 = 44. Now let’s consider the second set of data : Number of protons and neutrons i s given. Number of p rotons = 25. Number of neutrons...

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##### ISBN: 9780321809247

The answer to “A hydrogen-filled balloon was ignited and 1.50 g of hydrogen reacted with 12.0 g of oxygen. How many grams of water vapor formed? (Assume that water vapor is the only product.)” is broken down into a number of easy to follow steps, and 31 words. The full step-by-step solution to problem: 29E from chapter: 2 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. Since the solution to 29E from 2 chapter was answered, more than 491 students have viewed the full step-by-step answer. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. This full solution covers the following key subjects: atomic, neutral, assuming, column, electrons. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3.

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