In a lab experiment, 5.2 g of Mg reacts with sulfur to form 12.1 g of magnesium sulfide. How much magnesium sulfide would be formed if 5.2 g of Mg were reacted with 14.1 g of S?   g

Q: In a lab experiment, 7.64 g of phosphorus reacts with bromine to form 66.77 g of phosphorus…

A: law of constant composition:-  a chemical compound always contains its constituent elements in fixed…

Q: 27. Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.57 kg…

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Q: Tantalum (Ta) and boron (B) form two binary compounds with the following compositions: Compound Mass…

A: As ratio of Ta in compound 1 and 2 per gram of B is 8 : 3 Compound 1 contain 8 Ta and compound 2…

Q: Which statement is incorrect?  A. All molecules are compounds but not all compounds are molecules.…

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Q: One atom of lithium, Li, reacts with fluorine, F, to produce lithium fluoride, LiF2. The atomic mass…

A: Which statement about the reaction is correct?

Q: What does the law of conservation of matter mean in chemistry? O a. The state of the matter should…

A: The law of conservation of matter in Chemistry based on the fact that during a process total mass is…

Q: You are working in the laboratory preparing sodium chloride. Consider the following results for…

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Q: What does the law of conservation of matter mean in chemistry? O a. The total number of molecules of…

A: Law of conservation of matter

Q: Atomic # 7 Atomic # Atomic # Atomic # Atomic Mass 14 Atomic Mass 12 Atomic Mass_40 Atomic Mass 5e 2e…

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Q: Sulfur forms several compounds with fluorine. Upon decomposition, sample one produces 4.45 g of…

A: Given information is:                   Sample 1 →Decomposition F(4.45grams) + S (1.25grams)…

Q: The ratio of the mass of O to the mass of N in N20z is 12:7. An- other binary compound of nitrogen…

A: The given ratio of mass O to the mass of N in N2O3 is 12:7 Mass of O in N2O3 = 3x16 amu…

Q: On a periodic chart of the elements, molar mass (M), also called atomic weight, is often listed as…

A: A chemical compound consists of two or more different elements which are bonded with each other…

Q: A 3.23 g sample of calcium sulfide was decomposed into its constituent elements producing 1.80 g of…

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Q: chemical formula

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Q: 24. The total number of sodium atoms in 46.0 grams of sodium is A. 3.01 x 1023 atoms B. 6.02 x 1023…

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Q: Which law states that a compound always contains the same elements in the same proportion by mass?

A: This law was stated by Joseph Proust who was a well-known French chemist.He gave this law as a…

Q: Does the appearance of a substance change when the composition does not change during a physical…

A: Physical change:  During physical change, the composition of substance does not change.  Chemical…

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 1.0-g sample of carbon dioxide (CO2) is fully decomposedinto its elements, yielding 0.273 g of…

A: Given information: Mass of carbon = 0.273 g Mass of oxygen = 0.727 g Mass of carbon of different…

Q: hat is the mass percent of hydrogen in decaborane, B10H14?

A: Percent composition is defined as the ratio of  mass of single  element in one mole  to the mass of…

Q: A 36.41-g sample of calcium carbonate (CaCO3 ) contains 14.58 g of calcium and 4.36 g of carbon.…

A: Given data: Mass of CaCO3 sample = 36.41 g Mass of calcium = 14.58 g Mass of carbon = 4.36 Formula…

Q: The chemical formula for the amino acid glycine is CHŞNO2. Which of the following statements about…

A: Which of the statement is false ?

Q: a)Using the data provided, determine the mass percent of water and the mass percent of anhydrous…

A: Given, mass of hydrated copper (II) sulfate: 131.4g mass of anhydrous copper (II) sulfate: 130.26g…

Q: Need help

A: The mass of water in oxalic alumina is determined as,

Q: When a chemical reaction occurs, atoms rearrange to form new compounds, but no new atoms are created…

A: Figure shows A is single element. There are 4 A atoms present in the reactant side. B is diatomic…

Q: When copper (Cu) and oxygen (O) combine, two different compounds are formed. The first compound…

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Q: What statement is true? O Law of conservation of mass means that number of atoms of the products is…

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Q: Iodine (I) and fluorine (F) form a series of binary compounds with the following…

A: (a)

Q: In a lab experiment, 7.2 g of Mg reacts with sulfur to form 16.7 g of magnesium sulfide. (a) Use…

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Q: A 11.65 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition…

A: Law of constant composition:It is also known as law of definite proportions.  It states that a…

Q: What is the balanced equation of the synthesis reaction of benzoin to benzil using the reagent…

A: The balanced reaction of benzoin with nitric acid in presence of acetic acid is given as

Q: 2. Law of Definite Proportion. When 60.0 g of carbon is burned in 160.0 g of oxygen, 220.0 g of…

A:

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

A: The law of constant composition or law of definite proportions or law of definite composition states…

Q: Matter is neither created nor destroyed in a chemical reaction. Thus, the mass of the products of a…

A: As you already know the basics of law of mass conservation and its written over there in the…

Q: sample of aluminum contains 2.91 × 1022 atoms of aluminum. What is the mass of this sample?  [Molar…

A: Given that: Molecules of Al = 2.91×1022 atoms  Molar mass of Al = 26.98 g/mol  1 mol = 6.023×1023…

Q: In the reaction 1. the Law of Gravity. CACO3 CaO+ CO2 2. the Law of Conservation of Energy. 100…

A: Here, it is given that the mass of calcium carbonate is 100 grams and the products formed will have…

Q: What amount of CuSO4•5H,O, in moles, does this mass represent? mass = 1.787 g %3D X mol resubmit…

A: Given : Mass of CuSO4.5H2O = 1.787 g And molar mass of CuSO4.5H2O = 249.69 g/mol.

Q: Mass spectrometry is more often applied to moleculesthan to atoms. We will see in Chapter 3 that the…

A: When we study the interaction of electromagnetic radiation with matter then this study is known as…

Q: An element's percentage of the total mass in a compound containing the element. A law stating that…

A: The composition of a chemical compound is determined using elemental analysis of inorganic elements.…

Q: A mixture of 50.0 g of S and 1.00x10^2 g of Cl2 reacts completely to form S2Cl2 and SCl2. What mass…

A: When S react with Cl2, it will form S2Cl2 and SCl2 so first write reactant and product then balanced…

Q: You take three compounds, each consisting of two elements (X, Y, and/or Z), and decompose them to…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 1) A 1.0-g sample of carbon dioxide ( CO2) is fully decomposed into its elements, yielding 0.273g of…

A: Since there are multiple questions, we answer only first question as per our policy, that is, no. 1.…

Q: What mass of iron(III) oxide must be used to produce 64.28 g of iron? What is the maximum mass of…

A: The equation required to produce iron from iron(III)oxide is as follows, Given grams of iron is…

Q: A 14.09 g sample of NaBr contains 22.34% Na by mass. Considering the law of constant composition…

A: The law of constant composition is : samples of a pure compound always contains same elements in…

Q: Calculate the mass of 1.00×10241.00×1024 (a septillion) molecules of wate

A: We know that there are two hydrogen atoms and one oxygen atom for every H20 molecule. So, the molar…

Q: A copper wire weighs 1.312 g is 2.15 mm in diameter and 40.5 mm long. The atomic mass of copper is…

A:

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

A: Given: Mass of sodium in sample 1 = 2.91 g. And mass of chlorine in sample 1 = 4.48 g.

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.