mass

Q: Calculate the weight in grams of ethylene glycol (antifreeze) that would be needed for an automobile...

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Q: Topic : PHASE c) Aqueous solution of glucose has one phase. Whereas aqueous solution of carbon tetr...

A: c) A homogeneous mixture of two or more substances makes one phase and a heterogeneous mixture of tw...

Q: What is the mole fraction of hydrogen chloride in hydrochloric acid which contains 36% HCl by mass? ...

A: Given, % by mass HCl = 36 % Mole fraction of hydrochloric acid (HCl) in the hydrochloric acid soluti...

Q: The work function of Au is 5.1 V. For an uncharged Au electrode, what is the electrochemical potenti...

A: Work function of Au = 5.1V We have been given an uncharged electrode. We have been asked to compare ...

Q: For a stoichiometric ethane-air reaction at 1 atm pressure and 1500 K, determine the fuel and CO2 co...

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Q: Which two states of matter meet at the sublimation boundary of a phase diagram? solid O liquid O gas

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Q: freezing-point depression

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Q: Explain the process of detergency using micelle formation.

A: A colloidal solution is a heterogeneous system in which one substance is dispersed as very fine part...

Q: What is the formula mass of CaSO4·½H2O?

A: Given, Formula mass of CaSO4·½H2O = ? Note: Atomic mass of Ca = 40.078 g/mol Atomic mass of S = 32.0...

Q: Determine the empirical and molecular formula for chrysotile asbestos. Chrysotile has the following ...

A: A molecular formula of a compound  represents the number of atoms of each element present in that co...

Q: (a) Choose the correct statement about density: O unit of density is g/L O compares the mass of an o...

A: The correct statement about density is given below

Q: CH3 CH3 H3C´ b.

A: For IUPAC nomenclature, number the compound in such way that in the long chain maximum number of car...

Q: The following are some molecules: H2, HF, CO2, H2O, Cl2, NH3, CH4, CHCl3 (a)  Which of the above mo...

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Q: 5O.O g of CA₃(PO₄)₂ is dissolved in 5OO mL of H₂O. What are the molarity, molality, and normality?

A: To calculate molarity , molality and normality we have to use the formula of these term . Detail mat...

Q: Calculate the electronegativity difference of the following molecules and classify whether the type ...

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Q: 1A. Calculate Theoretical Yield of 9,10-dihydroanthracene-9,10-α,β-succinic acid anhydridein moles u...

A: Given , Mass of Anthracene = 2g mass of maleic anhydride = 1g volume of xylene = 25 ml    

Q: A precipitate of PbI2 is formed when 5 mL of 0.012 M Pb(NO3)2 is added to 5 mL of 0.030 M KI. It wa...

A: Since you have asked a question with multiple subparts, we will answer only 3 subparts for you. In o...

Q: Which substance involves no bonding forces except London dispersion forces?   NaCl(l) HF(l) N2(s)...

A: London dispersion force- It is a type of force acting between atoms and molecules that are electrica...

Q: Indicate the structure of product X and propose a detailed mechanism for its synthesis, under the co...

A: The Grignard reagent reacts with acid chloride to form tertiary alcohol. Initially, one mole of Grig...

Q: Write the equilibrium constant expression Kofor the following reaction. 2H,0(g) O2(g) + 2H, (g)

A: The given reaction is, 2H2O(g) ---> O2(g) + 2H2(g)  

Q: one lone electron

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Q: GIVE ONE EXAMPLE OF THE FOLLOWING PROCESSESS SUBLIMATION \ MELTING EVAPORATION CONDENSATION FREEZING

A: Sublimation is the process by which a substance makes transition from solid phase to gaseous phase d...

Q: decrease the freezing poi taloe 17. A solution of glucose in water is prepared so that the concentra...

A: Answer -

Q: Write the Mass Balance Equation, Proton-Balance Equation and Charge Balance Equation for the followi...

A: Charge Balance Equation (CBE): It is based on electroneutrality principle. The molar concentration o...

Q: What is the chemical formula for the compound commonly called ammonia? Question 1 options: a) KNO3 b...

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Q: Match the following terms to their definitions: Aqueous solution, cation, centrifuge, decant, flame ...

A: The given definition is, A method for identifying an ion using the color the ion emits when placed i...

Q: situation is represented by a solubility curve.

A: In this question we have to explain how the equilibrium is attained when the solution or mother liqu...

Q: Which of the following are sets of quantum numbers for orbitals are possible?   a) n = 1, l = 1, m...

A: The correct option is:  

Q: strongest acid?

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Q: Match the carbon reservoir exchange with the chemical equation that occurs: + atmosphere-rock exchan...

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Q: A 1.00-m solution of acetic acid, CH3COOH, in benzene has a freezing point of 2.96°C. Use the data i...

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Q: Draw the line diagram then write out the condensed structure out for the molecule: 2-ethyl-3-hydroxy...

A: Condensed structures can be defined as the structure that is written in a single line. It help us  t...

Q: Give the IUPAC name of the compound below. Br Br

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Q: What acids would be formed by the vigorous oxidations of butan-2-one (1) and 2- methylcyclohexanone ...

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Q: An element has the following natural abundances and isotopic masses: 90.92% abundance with 19.99 amu...

A: Given  natural abundances and isotopic masses: 90.92% abundance with 19.99 amu, 0.26% abudance with ...

Q: ) 3,7-dimethyl- 2,5- octadienal e) q ethyl, Ś methyI hexanal 3) Cy clo prepane car 1. car boxylic ac...

A: Structures of the given organic compounds:

Q: A solution is prepared from 64.4 g of a nonvolatile, nondissociating solute and 85.0 g of water. The...

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Q: What is paper chromatography please include the importance of using it

A: Introduction :  Chromatography can be defined as a technique for separating different component of s...

Q: 2

A: Vapor intrusion is the movement of volatile substances from the subsoil into buildings above (VI).Va...

Q: Give the IUPAC name of the compound below.

A: Points while naming we need to remember are: 1) we need to find the chain with maximum number of car...

Q: Prepare the following compounds starting with cyclopentene and any other reagents.

A: For the given problem we have to find out the reagent which we used to convert cyclopentene to four ...

Q: Reagent Step in ProcedureObservations Data collected Mass: 3.0437 Pinacol Measured on balance Sulfur...

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Q: Data from a oxalate-permanganate titration to determine the amount of oxalate in a coordination comp...

A: Mass of complex sample used = 0.4 g Molarity of KMnO4 = 0.05 M Volume of KMnO4 used = 20.0 mL

Q: 3. The Keq for imidazole binding to hemoglobin can be determined from the following linear equation,...

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Q: conjugate bases

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Q: Write the letter of the pair of compounds that illustrates the given isomerism. CH CH CH HạN H3C CH ...

A: This question is related to isomerism. Isomers are molecules having the same molecular formula, but ...

Q: Mo(PMes)3(C6HS)2

A: The given complex is of the molybdenum which is a a d-group metal (transition metal) and formed comp...

Q: Find the mass percent of CaCl2 in a solution whose molarity is 2.05 M and whose density is 1.17 g/mL...

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Q: Draw the structural formulas corresponding to each of the following IUPAC names: a. ethylcyclobutane...

A: Naming of a compound is done according to rules given by IUPAC 

Q: b. ion-dipole forces d. pole-dipole forces 7. Which of the following intermolecular forces is presen...

A: Intermolecular forces of attraction: As per our guideline we have to answer first question only.

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.