Discuss the contribution of Amadeo Avogadro to the quantitative aspect of Chemistry.

Q: Most chemistry laboratories have balances that can weigh to the nearest milligram. Would it be…

A: Given,  Molecules of C18 H38 = 5.88E+18 molecules The mass of C18 H38 is:

Q: Platinum is a precious metal that is used as a catalyst for many important industrial reactions.…

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Q: A container has 5.30 x 1023 molecules (aka atoms) of bromine gas. Calculate the mass (in g) of…

A: A container has 5.30 x 1023 molecules (aka atoms) of bromine gas. We have to calculate the mass (in…

Q: A container has 5.80 x 1023 molecules (aka atoms) of bromine gas. Calculate the mass (in g) of…

A: Bromine gas = Br2 Molar mass of Diatomic  Br2 gas = 159.808 g/mol 6.022 x 1023 molecules mass =…

Q: There are four sketches below. The first sketch shows a sample of Substance X. The three sketches…

A: A question based on physical and chemical changes. A molecular system is given whose most possible…

Q: Write a balanced chemical equation, including physical state symbols, for the decomposition of solid…

A: Ideal gas are gas which have no intermolecular force present in them We will use the concept of…

Q: Solar winds composed of free protons, electrons, and particles bombard Earth constantly, knocking…

A: Given data: Earth loses 3.0Kg matter/sec. Time given=50billion years. Mass % of nitrogen occupied of…

Q: Consider the balanced reaction 6 A + 5 B → 7 C + 7 D. If 6.65 moles of D (MW = 29.59) are produced,…

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Q: The density of gold metal is 19.3 g/cm3, while that for silver is 10.5 g/cm3. Suppose you had the…

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Q: Write a balanced chemical equation, including physical state symbols, for the combustion of liquid…

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Q: Solving for a gaseous reactant Combustion of hydrocarbons such as dodecane (C₁2H₂6) produces carbon…

A: Combustion of dodecane is given.We have to write the balanced chemical equation. And we have to…

Q: following reactions as homogeneous or heterogene

A: Homogenous reactions include the reactants and products in the same phase. Heterogeneous reactions…

Q: Which of the following processes require(s) chemical methods?    Separating a heterogeneous mixture…

A: Breaking a compound into its constituents elements requires chemical method. The two or more…

Q: P4(9) + 6CI2(g) –→ 4PCI3(g) 8.02 L of P4(g) is mixed with 10.4 L of Cl2(g) and reacts with 100%…

A: % Yield = 100 %  Volume of P4 (g) = 8.02 L  Volume of Cl2 (g) = 10.4 L As, 22.4 L of gas contains 1…

Q: Given the following data, what was the dollar amount of the gold that could have been extracted from…

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Q: A) Chlorophyll molecules are responsible for the green pigmentation of plants. Differing chemically…

A: Given that : 1 molecule of chlorophyll X contains 4 N atoms. % nitrogen by weight = 6.26 %

Q: Nitrogen reacts with hydrogen to form ammonia. What is the sum of the coefficients for the reactants…

A: Nitrogen and hydrogen react to form ammonia. According to the law of conservation of mass, the…

Q: Consider these compounds: A. PbF, В. Си(ОН)2 C. Cr(OH)3 D. Al(OH)3 Complete the following statements…

A: Whether we are able to compare the solubility of two salts by just looking into their Ksp values…

Q: Balance the following chemical reaction. Enter the sum of the balanced coefficients as your answer.…

A: Given reactionSodium carbonate + hydrobromic acid → Sodium Bromide + Carbon dioxide + water

Q: In heavy water, each of the hydrogen atoms is replaced by a deuterium atom. If the density of…

A: Heavy water is the deuterium oxide, which is another form of water containing heavier isotope of…

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Q: The rock in a particular iron ore deposit contains 69% Fe2O3 by mass. Part A How many kilograms of…

A: We will first calculate the mass of Fe2O3 required in order to get 4.1x103 Kg of iron. After…

Q: This section in a Safety Data Sheet contains information on the possibility of the material to…

A: Material Safety Data Sheet is available for every chemical compounds. It provides safety handling of…

Q: Emissions from the burning of fossil fuels are often reported as gigatons ( Gt ) of carbon. In a…

A: Given that : Amount of carbon emitted by China = 2.9 Gt Amount of carbon emitted by United States =…

Q: Suppose you need 7.0 m of Grade 70 tow chain, which has a diameter of 3/8" and weighs 2.16 kg/m, to…

A: Given data :- Length of required tow chain = 7.0 mGrade of tow chain = 70 Diameter of tow chain =…

Q: One way the U.S. Environmental Protection Agency (EPA) tests for chloride contaminants in water is…

A: Hi, as you have posted 2 questions and have not mentioned which one you want us to solve for you.…

Q: What are the potential errors that could occur when using the Kjeldahl method to determine the…

A: Kjeldahl method principle : Strong acid helps in the digestion of food and liberates nitrogen which…

Q: Classify each chemical reaction: reaction Na₂S (aq) + FeCl₂ (aq) → 2NaCl(aq) + FeS (s) -> 2CH, (CH₂)…

A: We are given 4 reactions, and asked to classify these as the type of reaction to which they belong…

Q: An engine emits about 5lbs of Carbon atoms in the form of Carbon dioxoide molecules for every gallon…

A: The assumptions that we need to make are  1) Average distance travelled by car in an year. 2)…

Q: Platinum is a precious metal that is used as a catalyst for many important industrial reactions.…

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Q: Part A An iron ore sample contains Fe2 O3 together with other substances. Reaction of the ore with…

A: To balance the equation we have to balance the number of each atom on both reactant and product…

Q: Coal is a leading source of energy for the world. While coal is primarily composed of carbon and…

A: Given:S(s)+O2(g)→SO2(g)

Q: Write and balance the reaction for the complete combustion of pentyne, C5H8. (Use the lowest…

A: Combustion of a hydrocarbon forms carbon dioxide and water.

Q: produced

A: The chemical reaction for manufacturing of Methanol is given as; Co + 2H2  --->  CH3OH Mass of CO…

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

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Q: Nitrogen dioxide gas is produced by the reaction of oxygen gas and nitrogen monoxide gas. Write a…

A: Nitrogen dioxide gas is obtained by the reaction of oxygen gas and nitrogen monoxide gas.  NO=…

Q: Define the following terms  Centrifuge Supernatant liquid Precipitation Decant Washing precipitate

A: Given Centrifuge Supernatant liquid Precipitation Decant Washing precipitate

Q: Methane gas, CH4, reacts with oxygen according to the following equation.  If 42.00 mol of methane…

A: CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)moles of methane (CH4) reacts = 42.00 molExcess reactant: oxygen…

Q: Acetic acid (CH3COOH) and trifluoroacetic acid (CF3COOH) are shown by these particulate models. The…

A: Bronsted –Lowry conjugate acid-Base pairs:When an acid is dissolved in water, the acid donates a…

Q: Balance the following chemical reaction. Enter the sum of the balanced coefficients as your answer.…

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Q: Willa weighs a clean, dry, empty crucible and finds it to have a mass of 95.83 g. After putting a…

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