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Q: 6. Another student created a model for the following balanced equation as shown below. The student's…

A: In a balanced chemical reaction number of each atom is same in reactant side with that of the…

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

A: Amedeo Carlo Avogadro is an Italian chemist, well known for Avogadro's law and Avogadro's number or…

Q: What is the basis of distillation?

A: There are various techniques which are used for the separation of liquids. Some of these are…

Q: The fuel used in many disposable lighters is liquid butane, C4H10. Butane has a molecular weight of…

A: Molar mass of any element is equal to the atomic mass of that element in the unit of grams. Molar…

Q: How many atoms of chlorine are in 6.85 g of chlorine

A:

Q: Label Carbon's Periodic Table Symbol ANSWER BANK 6 Mass Number C Average Atomic Mass Atomic 12.011…

A: The periodic table has the number of elements and all these elements have a specific symbol showing…

Q: What is the mass, in micro grams, of 8.9 x 10^15 atoms of cobalt?

A: The number of units present is the one mole of a substance is equal to 6.02214×1023 are termed as…

Q: CaCl2+NA2CO3-CACO3+NaCl

A: Given equation: CaCl2 + Na2CO3 → CaCO3 + NaCl

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: 2.90 grams of phosphorus is burned in the presence of oxygen and forms 5.14 grams of a phosphorus…

A: We can just subtract the mass of the phosphorus from the mass of phosphorus oxide and get mass of…

Q: 14. Copper has two isotopes, Cu-63 and Cu-65. The average atomic mass of copper is 64.928 g/mol.…

A: Given, Mass of Cu = 63 Mass of other isotope of Cu = 65 Avg. mass = 64.928 g/mol

Q: State the number of electrons in Se^2−. Express your answer as an integer.

A: Since we know that  When there is positive charge on an atom it means that it has lost the electrons…

Q: Determine the mass in grams of 6.96 × 102¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Mole is defined as mass of substance divide by it's molar mass

Q: Solid sodium oxide and gaseous water are produced by the decomposition of solid sodium hydroxide…

A:

Q: Mass of silver chloride sample containing 2.05 × 10^20 silver ions

A: Number of ions of silver in silver chloride(AgCl) = 2.05 x 1020 ions 1 mole of silver ion contains…

Q: Determine the mass in grams of 7.21 × 10²¹ atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

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: Aqueous potassium nitrate (KNO3) and solid silver bromide are produced by the reaction of aqueous…

A: When aqueous potassium bromide react with aqueous silver nitrate it forms precipitate of silver…

Q: In the molecule C6H12O6 are there will be 12 moles of hydrogen per mole of glucose?

A: The molecular formula of glucose = C6H12O6 It is obvious as seems from the molecular…

Q: 2.) Suppose you're attempting to measure the density of a liquid that is highly volatile (it…

A:

Q: How many carbon atoms are in 2.65 x 10^23 molecules of C2H6?

A:

Q: 1. Solid tin reacts with diatomic chlorine to produce tin (IV) chloride. If 95 grams of tin reacts…

A: As per guidelines only first three parts can be answered, please post other question separately.…

Q: Determine the mass in grams of 7.75 x 1021 atoms of carbon. (The mass of one mole of carbon is 12.01…

A: Given,the mass of one mole of carbon = 12.01 gNumber of carbon atoms = 7.75×1021 atomsHere, we are…

Q: What is the mass of 0.5 mole of nitrogen gas? O 1.20 x 1023 O 28.0 g O 14.0 g O 6.02 x 1023 3.01 x…

A: The mass of one mole of the substance is called molar mass. Therefore, the mass of any substance is…

Q: Determine the mass in grams of 4.78 × 1021 atoms of chromium. (The mass of one mole of chromium is…

A: The number 6.023 × 1023 indicates the number of atoms or molecules in a mole of any substance is…

Q: One of the inherently satisfying features of chemistry is that chemical materials form and interact…

A:

Q: Calculate the number of atoms of hydrogen (H) in 323 cm3 of the colorless gas ethylene at 0 °C and…

A: 1 mole of C2H4 (ethylene) has 2 moles of carbon and 4 moles of hydrogen in it.1 mole of any…

Q: Determine the mass in grams of 7.94 × 10²¹ atoms of zinc. (The mass of one mole of zinc is 65.39 g.)

A: Given : Mass of 1 mole of Zinc = 65.39 g And number of atoms of Zinc = 7.94 X 1021 atoms.

Q: How many grams would 4.904 x 10^22 atoms of Lithium weigh? Show all work and report your answer to…

A: Given atoms of lithium is 4.904 × 10^22 * first we have to convert atoms of lithium into…

Q: АЗС SiMe3 устота ко он OTF ls f

A: First step of this reaction is benzyne formation. The flouride ion cleaves si-c bond and benzyne…

Q: 1. LiAlH4 2. H3O+ OCH3 3. Na 4. Br

A:

Q: You have a lot of paperwork laying around. A ream of stacked paper is 500 sheets and is 2.0 inches…

A: Given, In the ream number of stacked paper = 500 1 mol of paper = 6.022×1023  sheets of paper number…

Q: As Hagrid (Harry Potter fans, rejoice!) says, wizard money is very easy to understand.  There are…

A: Given -> Three coins -> knuts , sickles,galleons  -> 1 sickle = 29 knuts  -> 1 galleon =…

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.