Which of the postulates of Dalton's atomic theory explains why we can calculate a theoretical yield for a chemical reaction?

Q: Mass of product…

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Q: A hydrogen filled baloon is ignited, and 1.50g of hydrogen reacts with 12.0g oxygen. How many grams…

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Q: 3) Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium…

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Q: A 2.63 g2.63 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

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Q: A 2.19 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

A: The mass of compound containing Carbon, hydrogen, oxygen, nitrogen and sulfur combusted in excess…

Q: Which postulate of Dalton’s theory is consistent with the following observation concerning the…

A: The reaction is decomposition of solid Calcium carbonate to form Carbon dioxide and Calcium oxide.…

Q: [References] A1.782-g sample of coal contains 1.584 g C. Calculate the mass percentage of C in the…

A: Given data, Mass of coal sample = 1.782 g Mass of carbon = 1.584 g Mass percentage can be calculated…

Q: In a combustion reaction, 46.0 g of ethanol reacts with 96.0 g of oxygen to produce water and carbon…

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Q: 10. When copper oxide reacts with hydrogen gas at high temperatures, copper metal and water vapor…

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Q: À 7.45 g sample of calcium carbonate completely decomposes into calcium oxide (lime) and carbon…

A: Answer :-  1) only 3  i.e. The original solid is not an element.…

Q: Gaseous butane will react with gaseous oxygen (02) to pr 1.16 g of butane is mixed with 6.9 g of…

A: Given the chemical reaction between butane gas and oxygen gas. The products of the reaction are:…

Q: Write a balanced chemical equation for the formation of magnesium oxide form magnesium metal  and…

A: When magnesium is burnt in the air, it results in the formation of magnesium oxide.

Q: 5 g of anhydrous strontium nitrate is added to a beaker and exposed to air. After several hours the…

A: Given that -  Mass of strontium nitrate =  5 g  Mass of water Increases due to exposed in air = 1.70…

Q: when 22.0 g hydrogen combine with oxygen, 196.5 g of water forms. based on the law of conservation…

A: Given data is as follows: The mass of hydrogen = 22.0 g The mass of water formed = 196.5 g The mass…

Q: what is the mass element of calcium?

A: Mass of an element is represented by A in symbolic representation of element.

Q: What Is CHEMICAL COMPOSITION?

A: To find: The definition about chemical composition

Q: Aluminum (Al) is element 13 on the periodic table. A sample contains 4.56×1022 atoms of Al.…

A: In this question, we will calculate the amount of Al in grams unit.  You can see below.

Q: A hydrogen-filled balloon is ignited and 1.50 g of hydrogen reacts with 12.0 g of oxygen. How many…

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Q: alculate reduced molar mass (in g/mol] for two particles with masses 30.4 g/mol and 57.7 g/mol. Note…

A: Given mass of particle 1(m1) = 30.4 g/ mol Mass of particle 2(m2) = 57.7 g/ mol Reduced mass =?…

Q: Consider Cl2+F2=CLF3 (ΔH°f = -164.65 kJ/mol) . 1. If 42 g of F2 is combined with 142 g of Cl2, how…

A: Balanced chemical equation: Cl2  +   3F2  ------>   2ClF3 Number of moles = Mass/molar mass

Q: How many moles of aluminum are required to c

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Q: 3. Mg(NO,), Mass of Mg- 24.3 x 1- 243 g/ Mass of N- Mass of O-

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: 15. Copper (1) oxide, Cu2O, is reduced to metallic copper by heating in a stream of hydrogen gas.…

A: Reaction: Cu2O +H2 →2Cu +H2O Molecular mass of Cu2O=(2 x 63.55 +16)=(127+16)=143 when 143 g of Cu2…

Q: Suppose that a person counts out gold atoms at the rate of one each second for the entire span of an…

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Q: Show your calculations clearly. Suppose you are provided with a 36.55 g sample of potassium…

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Q: I want to know at least some reason why the mass of the Mgo formed could be lower that expected

A: Interpretation -  To tell about a reason why the mass of the MgO formed could be lower that expected…

Q: Calculate the percent deviation between the initial mass and the mass after the reaction. Initial…

A: Given, initial mass = 41.125 g             mass after reaction = 41.035 g

Q: In the Haber Process, hydrogen (H2) and nitrogen (N2) react to produce ammonia (NH3)   H2 + 3H2…

A: Exothermic reaction is reaction accompanied with loss of heat. Reaction- H2 + 3H2 ----> 2NH3  +…

Q: A modern penny weighs 2.5 g but is only 2.52% copper by mass. Calculate the number of cooper atoms…

A: given values :  mass of penny = 2.5 g mass % of copper = 2.52% formula of mass % : mass % = mass of…

Q: What is the atomic weight of the element chlorine?

A: Average atomic weight of chlorine element is 35.5 amu. Chlorine atom has two isotopes Cl35 and Cl37…

Q: A sample of a compound synthesized and purified in thelaboratory contains 25.0 g hafnium and 31.5 g…

A: GIVEN: Mass of Hafnium = 25.0 g Mass of tellurium=  31.5 g Mass of Hafnium present in the sample…

Q: Ammonium sulfate, , is in fertilizer and replenishes nitrogen to the soil. What is the number of…

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Q: 2.708 gram sample of an organic compound containing C, H and O is analyzed d 6.157 grams of CO2 and…

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Q: A 2.58 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

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Q: In a mass spectrometry experiment, the instrument senses the of particles traveling from the…

A: We have to predict the correct option for particles .

Q: The mass ratio of chlorine to the mass of copper is equal to 5.5. Another sample of copper chloride…

A: Introduction: The above question can be solved by using law of constant proportion which states…

Q: When mercuric oxide decompose, 18.522 g Mercury and 1.478 g of oxygen forms. How much mercuric oxide…

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Q: d. 5.90 mol of Ca to atoms of Ca

A: From mole number or avagadro number we can calculate number of atoms of "Ca".

Q: Mass of crucible, lid, and magnesium oxide                                             ____19.41…

A: Given: Mass of the crucible, lid, and magnesium oxide = 19.41 g And Mass of empty crucible and lid…

Q: What do 24 grams of magnesium (Mg) and 32 grams of sulfur (S) have in common? A)Nothing B)Number…

A: We have to predict the common thing in between Mg and S.

Q: What is a chemical formula?

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Q: A mixture of 197.1 g of P and 203.6 g of O, reacts completely to form P.0, and P,010. Find the…

A: Using mole  concept  easily determine how much reactant used and how much product is formed .

Q: Two binary oxides of the element manganese contain, respectively, 30.40% and 36.81% oxygen by mass.…

A: Empirical formula refers to the formula of a compound in which the elements are present in the…

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: How much does 36 moles of Carbon weigh?

A: Moles of carbon = 36 moles Weight of Carbon = ?

Q: The molar mass unit is gram per litter t true False

A: Explanation to the correct answer is given below

Q: 16. While cleaning your attic, you find your old mass of 11.3 collection? and the rest of mass of 82…

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Q: same on both sides of the reaction arrow.

A: In the balance chemical reaction number of atoms of each element in both sides remains same

Q: What is the representative particle, mass(g), no. of particles of carbon dioxide

A: 1mole of any substance contains 6.023*1023 molecules or particles, it is also called one avagadros…