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Atomic Theory Solutions Library

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124 solutions

Atomic Theory

Q. Dalton's Atomic Theory states:A. that all elements have several isotopesB. that matter is composed of small indestructible particlesC. that the pro...

Solved • Sep 15, 2019

Atomic Theory

Q. The statement, "In a chemical reaction, matter is neither created nor destroyed" is called:A. the Law of Conservation of MassB. Dalton's Atomic The...

Solved • Sep 15, 2019

Atomic Theory

Q. “In a chemical reaction, matter is neither created nor destroyed” is calleda. the Law of Definite Proportions.b. the Scientific Method.c. the Law o...

Solved • Sep 15, 2019

Atomic Theory

Q. Which of the following statements is FALSE according to Dalton's Atomic Theory?A) One carbon atom will combine with one oxygen atom to form a molec...

Solved • Sep 12, 2019

Atomic Theory

Q. Methane reacts with oxygen in a Bunsen burner.Are the same number of each type of atom present as products?

Solved • Oct 31, 2018

Atomic Theory

Q. 1.00 g of C4H10 reacts with 3.59 g of O2 to form 3.03 g of CO2.Using only addition and subtraction, calculate the amount of H2O produced.

Solved • Oct 31, 2018

Atomic Theory

Q. How many atoms of Mg, O, and H are represented by the notation 3 formula units Mg(OH)2?

Solved • Oct 31, 2018

Atomic Theory

Q. Determine the number of each type of atom in each formula:Ba(HCO3 )2

Solved • Oct 31, 2018

Atomic Theory

Q. The chloride of an unknown metal is believed to have the formula MCl3. A 1.891 g sample of the compound is found to contain 3.606 x 10 - 2  mol Cl....

Solved • Oct 31, 2018

Atomic Theory

Q. Determine the number of each type of atom in each formula:KNO3

Solved • Oct 31, 2018

Atomic Theory

Q. The molecular formula for water is H2O. Which ratio can be correctly derived from this formula?

Solved • Oct 31, 2018

Atomic Theory

Q. In methane, one part hydrogen combines with three parts carbon by mass.If a sample of a compound containing only carbon and hydrogen contains 32.0 ...

Solved • Oct 25, 2018

Atomic Theory

Q. In borane, one part hydrogen combines with 3.6 parts boron by mass. A compound containing only hydrogen and boron contains 6.0 g of hydrogen and 43...

Solved • Oct 25, 2018

Atomic Theory

Q. Ammonia (NH3) and hydrazine (N2H4) are both compounds of nitrogen and hydrogen.Based on the law of multiple proportions, how many grams of hydrogen...

Solved • Oct 25, 2018

Atomic Theory

Q. Benzene, ethane, and ethylene are just three of a large number of hydrocarbons-compounds that contain only carbon and hydrogen. Show how the follow...

Solved • Oct 25, 2018

Atomic Theory

Q. Ammonia ( NH3  ) and hydrazine ( N2 H4  ) are both binary compounds of nitrogen and hydrogen.Based on the law of multiple proportions, how many gra...

Solved • Oct 25, 2018

Atomic Theory

Q. Compounds A and B are colorless gases obtained by combining sulfur with oxygen. Compound A results from combining 6.00 g of sulfur with 5.99 g of o...

Solved • Oct 25, 2018

Atomic Theory

Q. Compounds A and B are colorless gases obtained by combining sulfur with oxygen. Compound A results from combining 6.00g of sulfur with 5.99 g of ox...

Solved • Oct 25, 2018

Atomic Theory

Q. Compounds A and B are colorless gases obtained by combining sulfur with oxygen. Compound A results from combining 6.00 g of sulfur with 5.99 g of o...

Solved • Oct 25, 2018

Atomic Theory

Q. Compounds A and B are colorless gases obtained by combining sulfur with oxygen. Compound A results from combining 6.00g of sulfur with 5.99 g of ox...

Solved • Oct 25, 2018

Atomic Theory

Q. Hydrogen sulfide is composed of two elements: hydrogen and sulfur. In an experiment, 6.700 g of hydrogen sulfide is fully decomposed into its eleme...

Solved • Oct 25, 2018

Atomic Theory

Q. A 2.3-g sample of carbon dioxide (CO2) is fully decomposed into its elements, yielding 0.628 g of carbon and 1.67 g of oxygen.What is the ratio of ...

Solved • Oct 25, 2018

Atomic Theory

Q. A 2.3-g sample of carbon dioxide (CO2) is fully decomposed into its elements, yielding 0.628 g of carbon and 1.67 g of oxygen.If a sample of a diff...

Solved • Oct 25, 2018

Atomic Theory

Q. A sample of ascorbic acid (vitamin C) is synthesized in the laboratory. It contains 1.50 g of carbon and 2.00 g of oxygen. Another sample of ascorb...

Solved • Oct 25, 2018

Atomic Theory

Q. How many hydrogen atoms are in each of the following:Ca(C2H5COO)2

Solved • Oct 25, 2018

Atomic Theory

Q. A chemist finds that 30.82 g of nitrogen will react with 17.60 g, 35.20 g, 70.40 g, or 88.00 g of oxygen to form four different compounds.Calculate...

Solved • Oct 25, 2018

Atomic Theory

Q. In a series of experiments, a chemist prepared three different compounds that contain only iodine and fluorine and determined the mass of each elem...

Solved • Oct 25, 2018

Atomic Theory

Q. Hydrogen and oxygen form both water and hydrogen peroxide. A decomposition of a sample of water forms 0.125 g hydrogen to every 1.00 g oxygen. The ...

Solved • Oct 25, 2018

Atomic Theory

Q. What is Brownian motion? How is it related to the development of the idea that matter is particulate?

Solved • Oct 25, 2018

Atomic Theory

Q. Two samples of carbon monoxide are decomposed into their constituent elements. One sample produces 17.2 g of oxygen and 12.9 g of carbon, and the o...

Solved • Oct 25, 2018

Atomic Theory

Q. Two samples of a compound containing elements A and B are decomposed. The first sample produces 15 g of A and 35 g of B.The second sample produces ...

Solved • Oct 25, 2018

Atomic Theory

Q. When a small log completely burns in a campfire, the mass of the ash is much less than the mass of the log.What happens to the matter that composed...

Solved • Oct 25, 2018

Atomic Theory

Q. The ratio of the mass of O to the mass of N in N2O3 is 12:7. Another binary compound of nitrogen has a ratio of O to N of 16:7.What is its formula?

Solved • Oct 25, 2018

Atomic Theory

Q. The ratio of the mass of O to the mass of N in N2O3 is 12:7. Another binary compound of nitrogen has a ratio of O to N of 16:7.What is the ratio of...

Solved • Oct 25, 2018

Atomic Theory

Q. A compound containing only carbon and hydrogen has a carbon-to-hydrogen mass ratio of 11.89.Which carbon-to-hydrogen mass ratio is possible for ano...

Solved • Oct 25, 2018

Atomic Theory

Q. The ratio of sulfur to oxygen by mass in SO2 is 1.0:1.0.Find the ratio of sulfur to oxygen by mass in S2O.

Solved • Oct 25, 2018

Atomic Theory

Q. A hydrogen-filled balloon was ignited and 1.90 g of hydrogen reacted with 15.2 g of oxygen.How many grams of water vapor were formed? (Assume that ...

Solved • Oct 25, 2018

Atomic Theory

Q. Two different compounds containing osmium and oxygen have the following masses of oxygen per gram of osmium: 0.168 and 0.3369 g.Show that these amo...

Solved • Oct 25, 2018

Atomic Theory

Q. Sulfur and fluorine form several different compounds including sulfur hexafluoride and sulfur tetrafluoride. Decomposition of a sample of sulfur he...

Solved • Oct 25, 2018

Atomic Theory

Q. Sulfur and fluorine form several different compounds including sulfur hexafluoride and sulfur tetrafluoride. Decomposition of a sample of sulfur he...

Solved • Oct 25, 2018

Atomic Theory

Q. Sulfur and fluorine form several different compounds including sulfur hexafluoride and sulfur tetrafluoride. Decomposition of a sample of sulfur he...

Solved • Oct 25, 2018

Atomic Theory

Q. State the law of multiple proportions.

Solved • Oct 25, 2018

Atomic Theory

Q. Explain the difference between the law of definite proportions and the law of multiple proportions.

Solved • Oct 25, 2018

Atomic Theory

Q. How was Dalton able to convince others to accept an idea that had been controversial for 2000 years?

Solved • Oct 25, 2018

Atomic Theory

Q. Summarize the history of the atomic idea.

Solved • Oct 25, 2018

Atomic Theory

Q. State the law of conservation of mass.

Solved • Oct 25, 2018

Atomic Theory

Q. How many molecules of the sweetener saccharin can be prepared from 30 C atoms, 25 H atoms, 12 O atoms, 8 S atoms, and 14 N atoms?

Solved • Oct 19, 2018

Atomic Theory

Q. How many molecules of C2H4Cl2 can be prepared from 15 C2H4 molecules and 8 Cl2 molecules?

Solved • Oct 19, 2018

Atomic Theory

Q. Yeast converts glucose to ethanol and carbon dioxide during anaerobic fermentation as depicted in the simple chemical equation here: glucose ⟶ etha...

Solved • Oct 15, 2018

Atomic Theory

Q. As stated in the text, convincing examples that demonstrate the law of conservation of matter outside of the laboratory are few and far between. In...

Solved • Oct 15, 2018

Atomic Theory

Q. When elemental iron corrodes it combines with oxygen in the air to ultimately form red brown iron(III) oxide which we call rust. (a) If a shiny iro...

Solved • Oct 15, 2018

Atomic Theory

Q. Early tables of atomic weights (masses) were generated by measuring the mass of a substance that reacts with 1.00 g of oxygen. Given the following ...

Solved • Oct 15, 2018

Atomic Theory

Q. In a combustion reaction, 46.0 g of ethanol reacts with 96.0 g of oxygen to produce water and carbon dioxide. If 54.0 g of water is produced, what ...

Solved • Oct 15, 2018

Atomic Theory

Q. The three most stable oxides of carbon are carbon monoxide (CO), carbon dioxide (CO2), and carbon suboxide (C3O2). The molecules can be represented...

Solved • Oct 15, 2018

Atomic Theory

Q. Consider 100.0-g samples of two different compounds consisting only of carbon and oxygen. One compound contains 27.2 g of carbon and the other has ...

Solved • Oct 15, 2018

Atomic Theory

Q. Hydrazine, ammonia, and hydrogen azide all contain only nitrogen and hydrogen. The mass of hydrogen that combines with 1.00 g of nitrogen for each ...

Solved • Oct 15, 2018

Atomic Theory

Q. A sample of chloroform is found to contain 12.0 g of carbon, 106.4 g of chlorine, and 1.01 g of hydrogen. If a second sample of chloroform is found...

Solved • Oct 15, 2018

Atomic Theory

Q. Observations of the reaction between nitrogen gas and hydrogen gas show us that 1 volume of nitrogen reacts with 3 volumes of hydrogen to make 2 vo...

Solved • Oct 15, 2018

Atomic Theory

Q. When the mixture of gaseous H2 and gaseous  Cl2 react, a product forms that has the same properties regardless of the relative amounts of H2 and ga...

Solved • Oct 15, 2018

Atomic Theory

Q. When the mixture of gaseous H2 and gaseous  Cl2 react, a product forms that has the same properties regardless of the relative amounts of H2 and ga...

Solved • Oct 15, 2018

Atomic Theory

Q. A compound of iodine and cesium contains 63.94 g of metal and 61.06 g of nonmetal. How many grams of cesium are in 38.77 g of compound? How many gr...

Solved • Oct 10, 2018

Atomic Theory

Q. A compound of copper and sulfur contains 88.39 g of metal and 44.61 g of nonmetal. How many grams of copper are in 5264 kg of compound? How many gr...

Solved • Oct 10, 2018

Atomic Theory

Q. Automobile airbags inflate due to the formation of nitrogen gas from the following chemical reaction. 2NaN3 (s) → 3N2 (g) + 2Na (s) Identify the nu...

Solved • Oct 9, 2018

Atomic Theory

Q. How many O atoms are there in 7.527 x 1023 molecules of trifluoroacetic acid, C2HF3O2?

Solved • Sep 18, 2018

Atomic Theory

Q. A hydrocarbon is a compound that contains mostly carbon and hydrocarbon, Calculate the percent composition (by mass) of the following hydrocarbon: ...

Solved • Sep 12, 2018

Atomic Theory

Q. Convert the following quantities.6.80 x 1027 P4O10 molecules = 4.077 × 1020 formula units PbCl4 =

Solved • Aug 21, 2018

Atomic Theory

Q. Exactly 1 mol of AlPO4 contains how many moles of Al, P. and O? Al = P = O =

Solved • Aug 21, 2018

Atomic Theory

Q. Two samples of sodium chloride were decomposed into their constituent elements. One sample produced 2.94 g of sodium and 4.53 g of chlorine. Which ...

Solved • Aug 14, 2018

Atomic Theory

Q. Element X forms three different compounds with element Y. Based on the information in this table.What are the formulas of compounds 2 and 3? 

Solved • Jul 24, 2018

Atomic Theory

Q. Use the law of constant composition to complete the following table summarizing the amounts of nitrogen and oxygen produced upon the sample of dini...

Solved • Jul 11, 2018

Atomic Theory

Q. How many moles of N are in 0.237 g of N2O?

Solved • Jul 11, 2018

Atomic Theory

Q. How many moles of N are in 0.237 g of N20?

Solved • Jul 10, 2018

Atomic Theory

Q. Answer the following questions using the law of conservation of mass.Consider a hypothetical reaction in which A and B are reactants and C and D ar...

Solved • Jun 25, 2018

Atomic Theory

Q. Dalton used the lightest element as his standard for atomic mass. What is this element? a. Oxygen b. Carbon c. Hydrogen d. Nitrogen

Solved • Apr 2, 2018

Atomic Theory

Q. The smallest unit of an element that has all of the properties of the element is a/an a. molecule. b. cell. c. atom. d. neutron.

Solved • Apr 2, 2018

Atomic Theory

Q. Which of the following chemical reactions is/are NOT possible according to Dalton's atomic theory?a. reaction 1: CCl4 → CH4b. reaction 2: N2 + 3H2 ...

Solved • Mar 27, 2018

Atomic Theory

Q. Which quantity or quantities must always be the same on both sides of a chemical equation? Check all that apply.a. the number of molecules of each ...

Solved • Mar 13, 2018

Atomic Theory

Q. Which of the following statements is FALSE according to Dalton's Atomic Theory? A) An atom of nitrogen can be broken down into smaller particles t...

Solved • Jul 3, 2017

Atomic Theory

Q. In a chemical reaction, matter is neither created or destroyed. Which law does this refer to? A) Law of Definite Proportions B) Law of the Conser...

Solved • Jun 16, 2017

Atomic Theory

Q. What is the ratio of oxygen atoms to hydrogen atoms in the mineral aluminite Al2(SO4)(OH)4 . 7H2O?a. 8:4b. 15:18c. 18:15d. 15:11e. 11:15

Solved • May 26, 2017

Atomic Theory

Q. A 12.39 g sample of phosphorus reacts with 42.54 g of chlorine to form only phosphorus trichloride (PCl3). If it is the only product, what mass of ...

Solved • Sep 14, 2016

Atomic Theory

Q. Which quantity or quantities must always be the same on both sides of a chemical equation?I. the number of atoms of each kindII. the number of mole...

Solved • Sep 12, 2016

Atomic Theory

Q. In a reaction, 34.0 g of chromium(III) oxide reacts with 12.1 g of aluminum to produce chromium and aluminum oxide. If 23.3 gof chromium is produce...

Solved • Jul 20, 2016

Atomic Theory

Q. Two elements, R and Q, combine to form two binary compounds. In the first compound, 14.0 g of R combines with 3.00 g of Q. In the second compound, ...

Solved • Jul 19, 2016

Atomic Theory

Q. A sample of H2SO4 contains 2.02 g of hydrogen, 32.07 g of sulfur, and 64.00 g of oxygen. How many grams of sulfur and grams of oxygen are present i...

Solved • Jul 19, 2016

Atomic Theory

Q. What is the modern view of the structure of the atom?

Solved • Jul 19, 2016

Atomic Theory

Q. You have two beakers, one filled to the 100-mL mark with sugar (the sugar has a mass of 180.0 g) and the other filled to the 100-mL mark with water...

Solved • Jul 18, 2016

Atomic Theory

Q. You have two beakers, one filled to the 100-mL mark with sugar (the sugar has a mass of 180.0 g) and the other filled to the 100-mL mark with water...

Solved • Jul 18, 2016

Atomic Theory

Q. How many of the indicated atoms are represented by each chemical formula: (c) hydrogen atoms in (NH4)2HPO4?

Solved • Jul 4, 2016

Atomic Theory

Q. How many of the indicated atoms are represented by each chemical formula: (b) oxygen atoms in Ca(ClO4)2

Solved • Jul 4, 2016

Atomic Theory

Q. How many of the indicated atoms are represented by each chemical formula: (a) carbon atoms in C2H5COOCH3

Solved • Jul 4, 2016

Atomic Theory

Q. A sample of ascorbic acid (vitamin C) is synthesized in the laboratory. It contains 1.50 g of carbon and 2.00 g of oxygen. Another sample of ascorb...

Solved • Jul 4, 2016

Atomic Theory

Q. Determine the number of each type of atom in each formula: d. Mg(HCO3)2

Solved • May 26, 2016

Atomic Theory

Q. Determine the number of each type of atom in each formula: c. Al(NO3)3

Solved • May 26, 2016

Atomic Theory

Q. Determine the number of each type of atom in each formula: b. CuSO4

Solved • May 26, 2016

Atomic Theory

Q. Determine the number of each type of atom in each formula: a. Ca(NO2)2

Solved • May 26, 2016

Atomic Theory

Q. Which of the following is an example of the law of multiple proportions? Explaina. Two different samples of water are found to have the same ratio ...

Solved • May 23, 2016

Atomic Theory

Q. The ratio of oxygen to nitrogen by mass in NO 2 is 2.29. The ratio of fluorine to nitrogen by mass in NF3 is 4.07. Find the ratio of oxygen to fluo...

Solved • May 23, 2016

Atomic Theory

Q. The ratio of the mass of a nitrogen atom to the mass of an atom of   12C is 7:6 and the ratio of the mass of nitrogen to oxygen in N2O is 7:4. Find...

Solved • May 23, 2016

Atomic Theory

Q. The ratio of oxygen to carbon by mass in carbon monoxide is 1.33:1.00. Find the formula of an oxide of carbon in which the ratio by mass of oxygen ...

Solved • May 23, 2016