Use Dalton's atomic theory to account for each of the following. a.the law of conservation of mass b.the law of definite proportion c.the law of multiple proportions

Q: Silicon has three common isotopes, with the masses and isotopic abundances shown below: Silicon-28…

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Q: How is the law of multiple proportions different from the law of definite proportions?

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Q: Static electricity is observed when whic part of the atom is transferred? a. Protons b. Neutrons I…

A: Static electricity is observed when electrons are transferred .  Naturally occurring static is…

Q: In the following drawing, the green spheres represent atoms of a certain element. The purple spheres…

A: The left side of the reaction has one green element and two blue elements because they are of two…

Q: Explain about the Indivisible: The Atomic Theory

A: The “indivisible: the atomic theory” was proposed and put forward by English chemist Dalton.…

Q: Bromine also occurs in nature as two isotopes. What is the specific mass of each isotope? What is…

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Q: Selenium consists of five naturally occurring isotopes: Se, Se. Se, Se, and Se. - Part A None of…

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Q: In the following drawing, the green spheres represent atoms of a certain element. The purple spheres…

A: In the given chemical change, the starting materials consist of four green spheres and two purple…

Q: Back on planet Earth, elements have different isotopic distributions. The atom Chlorine ( Cl ) has…

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Q: Which of Dalton’s postulates about atoms are inconsistent with later observations? Do these…

A: In 1808 John Dalton has provided the first atomic theory. He has stated that all matter is made up…

Q: I am working on question 25 of chapter 2 in the chemistry openstax second edition.  The question is…

A: The equation is correct. In the equation x is the fraction of isotope with atomic mass 10.0129 amu…

Q: Carbon exists as 3 isotopes. It is 88% C-12, 1% C-13 and 11% C-14. What is the average atomic mass…

A: average atomic mass= isotop% multiplied by atomic mass /100

Q: Consider chlorine, which occurs as a mixture of two isotopes: chlorine-35, with a natural abundance…

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Q: What is atomicity

A: Atomicity is a term which is used to represent the number of atoms present in any molecule or…

Q: e.) Light travels 186 000 miles / second. How long is a light year in meters? (1 light year is the…

A: 3. e.) Given: Light travels 186 000 miles/second. First determine the number of seconds value in one…

Q: Summarize indicating Dalton major contribution to the atomic theory.

A: Dalton’s atomic theory was a scientific theory on the nature of matter put forward by the English…

Q: What is Henri Becquerel contribution to the atomic theory? Explain in detail.

A: Answer - discovery of radioactivity in uranium by French physicist Henri Becquerel in 1896 forced…

Q: 1. What is the name of John Dalton's theory? 2. What are elements made of? 3. An atom of hydrogen…

A: As you have posted a question with multiple parts, we will solve the first three parts for you. To…

Q: Summarize the history of thedevelopment of atomic theory,beginning with Dalton

A: Every matter is made up of atoms. The theory we study today took a long time for its discovery. The…

Q: Consider two compounds. Compound A contains 2.77 g of phosphorus and 9.53 g of chlorine. Compound B…

A: Given,Mass of Phosphorus in compound B =11.9gMass of chlorine in compound B =40.9g

Q: Where are particles with virtually no mass found in the atom? A. The electron cloud B. Inside the…

A: Ans  A)  The electron cloud .

Q: What is the Law of Multiple of Proportions?

A: Law of Multiple Proportions ----- When two elements react to form two or more compounds, than the…

Q: 88) Calculate the number of atoms in each sample a) 14.955 g Cr b) 12.899 g Pt c) 39.733 g S d)…

A: Atomic mass of Cr = 55.996g/mol Atomic mass of Pt = 195.084g/mol Atomic  mass of S = 32.065 g/mol…

Q: 19,9924 AMU is the mass of one of the three isotopes of neon equaling 90.4838%. One of the other two…

A: Here, the three isotopes of Neon is

Q: Antimony (Sb), has two naturally occurring isotopes: Sb-121 that has a percent abundance of 57.30 %…

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Q: An element has three isotopes, A, B, and C. Percent abundance of the isotopes A and C are 60 % and…

A: The percent natural abundance of isotope A is 60%. The percent natural abundance of isotope C is…

Q: A 7.36 g sample of copper is contaminated with an additional 0.51 g of zinc. Suppose an atomic mass…

A: Total weight of the sample = 7.36 + 0.51 = 7.87 g Fraction of Copper in the sample can be calculated…

Q: use models to study atoms?

A: Atom is defined as the basic building block of matter. All matters in any form either solid ,liquid…

Q: 3) In a far away land and long ago, a series of experiments were carried out. Three samples of…

A: In 2) Use law of constang proportion Divide the both Kalium and pyron masses We see that A same and…

Q: Whith of the following is not one of Dalton's laws? a) Atoms are indestructible. b) Atoms of the…

A: Dalton's atomic theory are as follows  (1) Atoms are indivisible,tiny particle of same size and same…

Q: Naturally occurring elements are originally formed: O A. Inside the core of stars, or when stars…

A: Naturally occurring elements as the name suggest, it is formed naturally not by any man made actions

Q: places explain/ give example. The law of multiple proportions ATOMIC STRUCTURE AND SYMBOLS…

A: The fundamental quantity of compound is element. A compound is made of many such elements that…

Q: Chemists generally use the term atomic weight rather than average atomic mass. We state in the text…

A: 1. Atomic mass indicates mass of an atom. Single atom has set of protons , neutrons and electrons.…

Q: The 3rd postulate of Dalton’s Atomic Theory is consistent with a Law developed by a French scientist…

A: 1st atomic theory is proposed by John Dalton, That talks about atoms and it's properties, named as…

Q: Chemical equations must be balanced to satisfy the A) law of definite proportions B) law of multiple…

A: A Balanced chemical reaction happens when The number of different atoms of elements on reactant side…

Q: A 25.0 g sample of sucrose is found to contain 51.4% by mass oxygen. A second sample of sucrose…

A: The above statement is consistent with law of Constant Composition.

Q: It is discovered that it contains 7.759 %  by mass of  of the element oxygen (molar mass 16.00…

A: To calculate empirical formula of compound Ontarium , we first calculate moles of both Oxygen and…

Q: Draw a diagram of Rutherford's experiment and describe it. Include a full description of how the…

A: Rutherford uses a gold thin foil and alpha-particles and because of that this model is also known as…

Q: The element argon has three isotopes and an average atomic mass of 39.948 u. Idenitfy the most…

A: Element Ar having three isotopes one is Ar-36, second is Ar-38 and last one is Ar-40  Ar-36 have…

Q: A sample of 4.000 g of nitrogen can be combined with 4.571 g of oxygen to form nitric oxide gas…

A: In nitric oxide, the ratio of N and O is = N : O = 1 : 1.                                      (mole…

Q: Boron has only two naturally occurring isotopes. The mass of boron-10 is 10.01294 amu and the mass…

A: Two or more distinct chemical substances of one chemical element containing equal numeral of protons…

Q: The element argon has three isotopes and an average atomic mass of 39.948 u. Idenitfy the most…

A: Given that, Average  Atomic mas s of At=39.948 amu

Q: For your research project, you need to use isotopic labels. For this you buy chlorine gas (Cl2) that…

A: The basic constituent of a substance is known as an atom that has a nucleus consisting of protons…

Q: SECTION 2: WHY DOES A MOLE HAVE A DIFFERENT MASS? PART A: WATCH THE VIDEO to fill in the blanks and…

A: To fill in the blanks on the information about atom

Q: the isotope Si-28 has a mass of 27.977amu .Calculate the number of moles in 14 grams of Si-28

A: We will use the formula to calculate number of mole Number of moles = Weight (g) / Molar mass Molar…

Q: Nitrogen (N), has two naturally occurring isotopes: N-14 that has a percent abundance of 99.63 % and…

A: The atomic mass of Nitrogen = ( mass of N-14 X percent of N-14 + mass of N-15 X percent of N-15) /…

Q: Argon has three common isotopes, with the masses and isotopic abundances shown below: Argon-36 --->…

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Q: Determine which statements are consistent with Dalton's atomic theory. Inconsistent Consistent…

A: Given statements: Atoms of the same element have identical properties; atoms of the different…

Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.