CaCl2

Q: What is the Molarity of a solution formed from dissolving 22.3 g sugar (Molar mass = 342.296 g/mol) ...

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Q: vill be most rapidly

A: Radicals: Homolysis of bond generate radicals. Radicals stability follows the order 30 >20 >10...

Q: In the reaction: Pb(s) + 2Ag+ (aq) → Pb2+ (aq) + 2Ag a. Which species is oxidized and which is reduc...

A: a) The given reaction is: Pb(s) + 2Ag+ (aq) → Pb2+ (aq) + 2Ag Since the oxidation state of Pb is cha...

Q: What is the hydronium ion concentration in an aqueous solution with a hydroxide ion concentration of...

A: On autoionization of water, hydronium ion and hydroxide ion are produced as follow.                 ...

Q: Which of the following statement is NOT true?     The equilibrium constant of a reaction varies ...

A: a) The equilibrium constant of a reaction varies with temperature. We know  Keq = e-∆Go/RT If the re...

Q: Pb(NO3)2(aq) + NH3(aq) = 1.what is the balanced equation 2. ionic equation 3. net ionic

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Q: Q2: Give the electron configurations for the following ions? Fe (Z=26) and Al * (Z=13)

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Q: Chemistry Question

A: 1) SeCl2 Central atom is Se. It has 6 e- in the valence shell. The structure will be as follows: Th...

Q: Silicon dioxide reacts with hydrogen fluoride to produce silicon fluoride and water. When balancing ...

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Q: Q7. The mass of air needed for complete combustion of 1 kg of propane (C3H8 ) is:-

A: When propane react with oxygen it will form carbon dioxide and water molecule so first write balance...

Q: Chemistry R and S Configuration

A: When a carbon of a molecule is bonded to four different groups/molecules, then the carbon is termed ...

Q: The reform reaction between steam and gaseous methane (CH) produces "synthesis gas," a mixture of ca...

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Q: Q1: List the components of (MSE) and their interelationship by using the diagram only? Q2: Explain w...

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Q: Pease answer all part of this question abc just send me the paper solutions

A: Endothermic reactions are the reactions in which energy is absorbed while conversion of reactants to...

Q: Q/ What is the volume of 0.2 mol / L of NaOH that it required to dilute it to 0.05 mol /L in 100 ml ...

A: The volume of 0.2 mol / L of NaOH required to prepare 100 mL of 0.05 mol / L solution can be calcula...

Q: it takes 83 mL of a 0.45 M NaOH solution to neutralize 235 mL of an HCI solution. what is the concen...

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Q: Question. An aqueous solution of cysteine is acidified to pH 1.5 and titrated with 0.1M NaOH to a pH...

A: Cysteine is titrated with NaOH.  

Q: The energy barrier for rotation of C-C bond in ethane is 3 kcal/mol 5 kcal/mol 2 kcal/mol 4 kcal/mol

A: Carbon-carbon single bond is formed when hybridized sp3 orbital overlap with each other. So, maximum...

Q: HNO3(aq) + HCl(aq) = 1. what is the balanced equation 2. what is the ionic equation 3. what is the n...

A: A complete balanced Chemical Reaction is the Reaction in which all elements or compounds are present...

Q: What happens to water when it becomes a solid? O gains more hydrogen atoms O stays the same O expand...

A: The  liquid water at the 0°C ( freezing point ) turns into the solid . The in the liquid state the m...

Q: possesses an inversion center (center of symmetry)?

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Q: For the reaction of sodium sulfide with iron(III) chloride below (as an unbalanced reaction - that's...

A: Given that 319.5 kg of sodium sulfide and 502.3 kg of iron(III) chloride are available.

Q: H.W: Calculate the M.Wt. for : Ca(OH),, NaHCO, MgSO,7H20

A: we have to use general math

Q: Identify the limiting reactânt when 43.25g of CaC2 reacts with 33.71g of water to form C2H2 and Ca(O...

A: The balanced Chemical Reaction between calcium carbide,CaC2 and water , H2O can be written as -   Ca...

Q: None of these

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Q: Discussion 6- week 6 Electron Configuration, Periodic Trends (4.7, 4.8), and Nuclear Chemistry (5.1)...

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Q: A reaction for the reduction of copper is shown below (as an unbalanced reaction - that's how I will...

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Q: Use the activity series to predict if the following reactions will occur. If the reaction will occur...

A:                                       ACTIVITY SERIES OF NON METALS  F                     MOST REAC...

Q: Q/ A piston cylinder contains 5 kg of Ammonia at 5 °C with 500 L initial volume. At first the piston...

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Q: In a first order reaction [A] obtains a value of 57% of [A]0 at a time of 1.35 x 10^2 seconds. calcu...

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Q: AgNO3(aq) + KOH(aq) = 1. what is the balanced equation 2. what is the ionic equation 3. what is the ...

A: A balanced equation is an equation in which the number of atoms on the reactant side should be equal...

Q: Contrast polymer hydrolysis with dehydration synthesis.

A: When a polymer is treated with water molecule, then cleave the C-O bond or C-N bond in polymer of es...

Q: Use the activity series to predict if the following reactions will occur. If the reaction will occur...

A: A single-displacement reaction, otherwise called single substitution reaction is a reaction in which...

Q: Determine the IR active and Raman active vibrational modes for PCl3F2 and PCl2F3.

A: Group theory is a powerful mathematical tool which is used to study various molecular properties lik...

Q: LKeferences] The geometric arrangement of electron pairs around a given atom is determined principal...

A: There is repulsion in the same charges.

Q: Benzene (C6H6)reacts with bromine to produce bromobenzene (C6H5Br) according to the following equati...

A: Limiting Reagent is the reactant which is completely consumed when a reaction goes to completion.

Q: At a certain temperature, the equilibrium constant K for the following reaction is 7.3 x 1010: NO3 (...

A: Given data,Equilibrium constant=7.3×1010Intial moles of NO3=0.27 molesInitial moles of NO=0.27 moles

Q: What is the conjugate base of HJO 5- ?

A: According to Bronsted Lowry  theory atoms/molecules/ions which acts as acids release protonH+ and pr...

Q: Give the electronic configurations and bond orders for N2, N2+, N22+, N2-, N22-, 02,

A: Bond order = 12Nb-Na, where, Nb=no. of electrons in bonding molecular orbital and Na= no. of electro...

Q: Q2: Explain why both of ionic and metallic bonds are nondirectional while covalent bond is direction...

A: The metallic bond in typical metals is non directional , favoring structures corresponding to closes...

Q: HNO3(aq) + Na2CrO4(aq) = 1. what is the balanced equation 2. what is the ionic equation 3. what is t...

A: Chemical reaction can be represented by three types of chemical equation as follows: Molecular equa...

Q: From the following list, please choose the conjugate acid of NH3' - CH2 - O NH3* - CHR – COOH O NH3*...

A: Acids are substances that release H+ ions. Bases are substances that accepts H+ ions. Note: Since yo...

Q: What is the bond angle of the indicated atom? H H HC-C-H H. H. a. 120 degrees

A: From hybridisation of Carbon , we can determine bond angle.

Q: Chemistry Question

A: Answer:- This question is answered by using the simple concept of polar covalent bond is formed betw...

Q: I’m confused on question 5

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Q: Describe a s and a p bond, picture may be used. Give the electronic configurations and bond orders f...

A: Bond order = (number of electrons in bonding MO - number of electrons in anti-bonding MO)/2

Q: The weak acid, dichloroacetic acid, is used in chemical treatments such as chemoablation of warts. I...

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Q: Calculate the pH and [H3O+] of a  buffer  solution prepared by dissolving 0.218   mol of NaC2H3O2 in...

A: In this case, the buffer solution is maintained between a weak acid (CH3COOH) and its conjugate ion....

Q: For the reduction of copper reaction below (as an unbalanced reaction - that's how I will almost alw...

A: Given balanced reaction; 3CuO(s)  +  2NH3(g)  →  3Cu(s)  +  3H2O(g)  +  N2(g) Available amount of Cu...

Q: A student has a sample of zinc that weighs 22.19 g. How many zinc atoms are in this amount of zinc? ...

A: According to the mole concept, there are 6.022 × 1023 atoms present in 1 mole of every substance. Th...