calculations

Q: An element has two naturally occurring isotopes. Isotope 1 has a mass of 184.9530 amuamu and a…

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Q: Analysis of a meteor shows the presence of the following stable isotopes of silicon: 28si (M=27.977…

A: Given,Si-28 amu =27.977abundance(%) =67.0%isotope = Si-29 amu =28.976abundance(%) =6.50%isotope…

Q: 2. Silver has an average atomic mass of 107.87 amu and has 2 isotopes. *Ag has a mass of 106.95 amu…

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Q: Consider two compounds. Compound A contains 15.7 g of sulfur and 18.6 of fluorine. Compound B…

A: Mass of fluorine in compound A = 18.6 g Mass of sulfur in compound A = 15.7 g Mass ratio of fluorine…

Q: the mass of OO is approximately 16 gg. What is the whole number multiple that describes the…

A: Given as, Mass of Sulphur in SO = 32 gms Mass of Oxygen in SO = 16 gms Mass of Sulphur in SO2 = 32…

Q: Calculate the relative abudance of the two europium isotopes.

A: According to the question Eu-151 has mass 150.916 amu and Eu-153 has mass 152.9209.  The average…

Q: Which of the following pairs can be used to illustrate the law of multiple proportions? O H₂O and…

A: The law of multiple proportions describe that two elements are connected to form more than one…

Q: A sample of tryptophan synthesized in the laboratory contains 29.4 g of carbon and 7.12 g of oxygen.…

A: Law of definite proportions indicate that irrespective of source, the amount of substance present in…

Q: 2. Atoms, Molecules and lons: Nuclear Arithmetic This puzzle focuses on the types and ambers of…

A: Information about the question

Q: Iron exists in nature as a mixture of predominantly three isotopes: 5426Fe (53.94 amu), 562.Fe…

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Q: The radius of a rhodium atom is 134 pm. How many rhodium atoms would have to be laid side by side to…

A: GivenRadius of rhodium = 134pm Distance= 1.70mmMass of single uranium atom = 4.70×10^-22g

Q: Iron exists in nature as a mixture of predominantly three isotopes: ⁵⁴₂₆Fe (53.94 amu), ⁵⁶₂₆Fe…

A: We have to calculate the percentage of rarest of three isotopes.

Q: Suppose we have three hypothetical atomic nuclei: A, B, and C. Nucleus A has 3 protons and 4…

A: According to the question, we have three hypothetical atomic nuclei:A, B, and C. Nucleus A has 3…

Q: A compound containing only carbon and hydrogen has a carbon-to-hydrogen mass ratio of 11.89. Which…

A: The solution of this question is given below-

Q: A manufacturer begins with 15.00 kg15.00 kg of cinnabar and produces 12.93 kg12.93 kg of elemental…

A: Since you have posted multiple questions, we are entitled to answer the first clear question only.…

Q: The fact that the C atom can form compounds like CH4, C2H5O, H2C=CH2, HC≡CH, etc., demonstrates…

A: To find: The fact that the C atom can form compounds like CH4, C2H5O, H2C=CH2, HC≡CH, etc.,…

Q: Nitric oxide (NO) is produced in internal combustion engines. When NO comes into contact with air,…

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Q: A) Use the Law of Definite Proportions to describe the relationship between the three compounds…

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Q: 1. Demonstrate the Law of Multiple Proportions with the following data: a. Iron forms two compounds…

A: The objective of this question is to demonstrate the Law of Multiple Proportions using the given…

Q: Imagine an alternate reality. The Thomson cathode ray experiments arrived at a charge to mass ratio,…

A: Here, we have to determine mass of electron.

Q: Fluorine (F) and sulfur (S) can form several different compounds. In one analysis it shown that the…

A: Given: Mass of F in compound 1 = 5.55 g. Mass of S in compound 1 = 1.56 g. Mass of F in compound 2 =…

Q: A 6.55 g sample of calcium sulfide was decomposed into its constituent elements, producing 3.64 g of…

A: According to the law of constant composition, for any particular chemical compound, all samples of…

Q: Antimony has two naturally occurring isotopes: Sb−121 with a mass of 120.904 amu and a natural…

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Q: Which orbital is lower in energy in a many-electron atom? 4s O 3s X S

A: Energy of sub orbitals are gone by above principle and (n +l)rule

Q: Which of the following statements is FALSE according to Dalton's Atomic Theory? Atoms combine in…

A: Dalton's atomic theory:  1. Matter consists of indivisible atoms that is atoms can not be further…

Q: How many protons and electrons are present in an atom of strontium (Sr)? ooo Protons = 38, Electrons…

A: Atomic number: The number of protons in an atom is considered as atomic number. In a neutral atom,…

Q: Gallium is a metal which forms compounds with a wide variety of uses. Some of the applications of…

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Q: compounds with oxygen—six that are stable in air and others that are not. The mass of manganese per…

A: Manganese forms many stable oxides such as MnO, Mn3O4, Mn2O3, MnO2, MnO3, Mn2O7 and other manganese…

Q: May I ask, Why and how does the mass number change in different questions?  For example, in the…

A: Mass number and atomic mass of an atom are two different terms. Mass number is defined as the sum of…

Q: Two samples of sodium chloride with different masses were decomposed into their constituent…

A: Law of definite proportion :  The law states that a compound has its elements in a fixed ratio…

Q: Two compounds containing the elements phosphorous and oxygen are 56.3% and 43.6% oxygen…

A: Let the total mass of the compound be 100 g. Thus, it contains 56.3 g P and 43.6 g O.The number of…

Q: A hypothetical element has only 3 isotopes, with the following masses: Isotope 1:  44.98 u Isotope…

A: Isotopes are the elements which have same atomic number but exhibits different mass number. To…

Q: A sample of lithium consists of 400 atoms. 30 atoms are the isotope Lithium-6 (6.015 amu) and 370…

A: Calculation of average atomic mass using % abundance of isotopes:

Q: A sample of aspirin synthesized in the laboratory contains 26.0 g of carbon and 15.4 g of oxygen. A…

A: Given : 1st sample contains 26 g of carbon and 15.4 g of oxygen. 2nd sample contains 8.16 g of…

Q: Two compounds of X and Y were prepared. The first was found to be 35.9% X and 64.1% Y. It was…

A: In first compound, the ratio of Y element to X element,YX=64.135.9=1.78Hence 1 g of X reacts with…

Q: Following the ideas above, show that this data illustrates the law of multiple proportions. (Compare…

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Q: A hypothetical element, M, with average atomic weight of 35.75. M has three stable isotopes with the…

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Q: The following data were collected for several compounds of iron and oxygen:   Mass of iron that…

A: Answer:If two elements combine together to form more than one compound then masses of the second…