Concept explainers
(a)
Interpretation:
Whether
Concept Introduction:
The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses
(a)
Explanation of Solution
Given chemical formulas are
Total number of atoms in
Total number of atoms in
On comparing the total number of atoms between the two chemical formulas, it is found that they both contain same number of atoms.
(b)
Interpretation:
Whether
Concept Introduction:
The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.
(b)
Explanation of Solution
Given chemical formulas are
Total number of atoms in
Total number of atoms in
On comparing the total number of atoms between the two chemical formulas, it is found that
(c)
Interpretation:
Whether
Concept Introduction:
The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.
(c)
Explanation of Solution
Given chemical formulas are
Total number of atoms in
Total number of atoms in
On comparing the total number of atoms between the two chemical formulas, it is found that they both contain the same number of atoms.
(d)
Interpretation:
Whether
Concept Introduction:
The composition of a chemical compound can be presented in a very precise was with the use of chemical formula. Chemical formula uses chemical symbols of the elements that is present in the compound and numerical subscripts that represent how many number of atoms of each element is present in the compound.
(d)
Explanation of Solution
Given chemical formulas are
Total number of atoms in
Total number of atoms in
On comparing the total number of atoms between the two chemical formulas, it is found that
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Chapter 1 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- Carbohydrates, a class of compounds containing the elements carbon, hydrogen, and oxygen, were originally thought to contain one water molecule(H2O) for each carbon atom present. The carbohydrate glucose contains six carbon atoms. Write a general formula showing the relative numbers of each type of atom present in glucose.arrow_forwardEthane and ethylene are two gases containing only hydrogen and carbon atoms. In a certain sample of ethane, 4.53 g of hydrogen is combined with 18.0 g of carbon. In a sample of ethylene, 7.25 g of hydrogen is combined with 43.20 g of carbon. (a) Show how the data illustrate the law of multiple proportions. (b) Suggest reasonable formulas for the two compounds.arrow_forwardThree compounds containing only carbon and hydrogen are analyzed. The results for the analysis of the first two compounds are given below: Which, if any, of the following results for the mass of hydrogen in compound C follows the law of multiple proportions? (a) 5.84 g(b) 3.47 g (c) 2.72 garrow_forward
- What is acompound? What are compounds composed of? What is true about the composition of a compound, no matter where we happen to find the compound?arrow_forward1. Polonium-210 is an alpha-emitting radioactive isotope that causes irreversible damage to organs and tissues when ingested. The respective number of protons and neutrons in this isotope are: 2. The density of a substance is 0.913 g/mL. What mass (in grams) of that substance does 200. cubic centimeters (cm3 or cc) occupy?arrow_forwardAfter two elements react to completion in a closed container, the ratio of their masses in the container will be the same as before the reaction. Which law describes this principle?A. law of definite proportionsB. law of multiple proportionsC. law of conservation of massD. law of conservation of energyarrow_forward
- Aspirin contains 9 atoms of carbon, 8 atoms of hydrogen and 4 atoms of oxygen. The chemical formula for this compound would be: Assume all numbers are subscripts. a) C9H8O4 b) C9H16O8 c) 9C8H4O d) C9(H2)8(O2)4arrow_forwardA pure titanium cube has an edge length of 2.85 inin . How many titanium atoms does it contain? Titanium has a density of 4.50g/cm34.50g/cm3. Express your answer in atoms to three significant figures.arrow_forwardAn alien from the Planet X uses the units below for mass. How many zigs is 2.5 hums? 3 zigs = 1 cog 4 bips = 27 hums 1 bip = 8 cogsarrow_forward
- In a series of experiments, a chemist prepared three differentcompounds that contain only iodine and fluorine and determinedthe mass of each element in each compound: Compound Mass of Iodine (g) Mass of Fluorine (g)1 4.75 3.562 7.64 3.433 9.41 9.86(a) Calculate the mass of fluorine per gram of iodine in eachcompound. (b) How do the numbers in part (a) support theatomic theory?arrow_forwardSolve word problems involving calculations that apply the Law of Definite Composition and Law of Multiple Proportions. 1.) There is a total of 100g of Aluminum oxide (Al2O3) in a beaker. How much Aluminum in grams is in the 100g of Aluminum oxide? 2.) The mass of oxygen that combines with 1g of nitrogen to form 2 different compounds are 2.28g and 0.570g, respectively. Show how these data illustrate the Law of Multiple proportions by calculating the simplest whole number ratio.arrow_forwardWhat is the difference between a homogeneous and a heterogeneous mixture?arrow_forward
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