How does a balanced equation satisfy the law of conservation of mass?

Q: Consider the mechanism. A + B, АВ + B, step 1: » AB + B → B3+A B3+B step 2: overall: 2 B, > Which…

A:

Q: Hydrogen can be prepared by suitable electrolysis of aqueous barium salts   A. False   B. True

A: The answer is given below

Q: Part A The forensic technician at a crime scene has just prepared a luminol stock solution by adding…

A: Given: The mass of luminol in the solution = 12.0 g The volume of H2O added = 75.0 mL We have to…

Q: conjugate acid-base pairs.

A:

Q: What

A:

Q: 1) What is the pH at the equivalence point in the titration of a 29.1 mL sample of a 0.450 M aqueous…

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

Q: A solution is made by dissolving 0.706 mol of nonelectrolyte solute in 781 g of benzene. Calculate…

A: Given: The number of moles of the nonelectrolyte solute dissolved in benzene = 0.706 mol The mass of…

Q: 1. Classify each reactant as an acid or base. CF + NH4* a. HCI + NH3 b. CH3COOH+ H2O CH3COO" + H;O*…

A:

Q: Part A Which aqueous solution has the highest boiling point? O 1.25 M Ca(NO3)2 O 1.25 M KNO3 O 1.25…

A: When any non-volatile solute is added to pure solvent then its boiling point increases. this is…

Q: there may be several correct answers 2. Ftivazide in chemical structure is: A. Ester B. Urethan C.…

A: The correct answer about Ftivazide is given below

Q: Order these bonds by polarity- 1 is least polar (or nonpolar); and 4 is most polar. The…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: A certain reaction has an activation energy of 60.78 kJ/mol. At what Kelvin temperature will the…

A:

Q: The unbalanced equation for the oxidation of metallic iron is given below. Fe (s) + O2 (s) Fe203 (s)…

A:

Q: A reaction at-11.0 C evolves S84. mmel of sutur tetraftuoride gas Calculate the volume of sutur…

A:

Q: How many moles of H2O are required to form 1.3L of O2 at 325K and 0.988 atm?

A:

Q: The vinegar that you can buy at a grocery store is actually a dilute acid solution that is 5.0% w/v…

A: Given that, the vinegar that you can buy at a grocery store is actually a dilute acid solution that…

Q: CHEMWORK Check all the boxes that are true statements. (Select all that apply.) U The removal of the…

A: In this question, we have to choose the correct statement from the below boxes.

Q: 24) Write the electron configurations for the following atoms. Do not use shorthand notation, and…

A: the electron configuration is the distribution of electrons of an atom or molecule (or other…

Q: Exercise 16.80 Enhanced with Feedback Part C Find the percent dissociation of a 0.130 M solution of…

A: Percent dissociation = degree of dissociation × 100  Using relation Ka =( degree of dissociation)2 ×…

Q: What is the oxidation number of H in each of the following: H2(g); H2SO4; NaH For the toolbar, press…

A: Oxidation number Oxidation number  of an atom/ion is the number of electrons an atom/ion that the…

Q: Give the balanced cell equation and determine e° for the galvanic cells based on the following…

A:

Q: Ethyl acetate, C4H8O2, is frequently used in nail polish remover.A typical bottle of nail polish…

A: a.) To calculate number of molecules , we would use Avogadro's relation.  b.) First we would…

Q: Find the pH of 0.180 M NACN solution. For HCN, K = 4.9 x 10 10 O 8.57 O 2.72 O 5.03 O 11.28

A:

Q: Write a complete ionic equation for the following reaction.…

A: Complete Balanced chemical equation is, Hg2(NO3)2(aq)+2LiBr(aq)→Hg2Br2(S)+ 2LiNO3.

Q: abel the conjugate acid-base pairs in each eqld HI + NH3=NH* +I b. HCOOH+ H2O=H;O* +HCOO c. HSO4…

A: Given that concentration of OH- is each solution as, a. OH- = 10-5 M b. OH- = 10-12 M We have to…

Q: 1) A buffer solution contains 0.350 M ammonium bromide and 0.400 M ammonia. If 0.0452 moles of…

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

Q: Draw the product(s) of the following reactions. H2 Lindlar catalyst CH,CH,-CEC-CH, • Consider E/Z…

A: ->lindlar catalyst is reducing agent which can reduce Alkyne to cis alkene.

Q: In the electrolysis of molten MgCl2, which product forms at the anode?

A: In the given redox reaction: Oxidation reaction: Removal of the electron. Reduction reaction:…

Q: solution prepared by mixing 22.2 mL of 0.400 M NaCl and 22.2 mL of 0.400 M KI was titrated with…

A:

Q: Given AH°= +500 kJ/mol and the equilibrium constant, K = 1 x 10-10 , which of the following is…

A: In this question, we have to choose the correct option regarding the given data values.

Q: Question 9 ATR works by measuring the changes that occur in an internally reflected IR beam when the…

A:

Q: Write the correct Lewis structure for XeF4. This molecule exceeds the octet rule. Determine the…

A: Given :- chemical formula = XeF4  To determine :- total bonding pairs and lone pairs on central atom…

Q: Two substances, iron and granite, initially at different temperatures, come into contact and reach…

A:

Q: The following reaction is spontaneous in which direction? Cr(N3)2 + 2LiF — CrF2 + 2LiN3

A: The following reaction is spontaneous in forward direction.

Q: A semipermeable membrane is placed between the following solutions. Which solution will increase in…

A: Here we have to find that which solution will increase in volume. Solution C: 9.01% NaCl Solution D:…

Q: How many grams of calcium hydroxide are needed to completely neutralize 75 g of hydrobromic acid?

A:

Q: How do you draw the chemical structure of the following? 1. 2′-fucosyllactose…

A: In this question, we have to draw the chemical structure of the following molecules:…

Q: Explain, with the help of structures and curved arrow mechanisms, why trans-2-chloro-…

A: Given:

Q: Question 7 In regions of the IR spectrum where the sample absorbs energy, in ATR, the evanescent…

A:

Q: A voltaic cell consists of an Al/Al3+ half-cell and a Fe2+/Fe3+ half-cell.  The standard reduction…

A:

Q: product forms at the anode?

A:

Q: R The following pictures represent aqueous solutions of binary acids of the type HA where the water…

A: According to arrhenius concept : Acids are the species that dissociates to give hydrogen ion (H+) or…

Q: Part A What volume (in mL) of a 0.175 M HNO3 solution is required to completely react with 40.0 mL…

A: Given, Na2CO3(aq) + 2HNO3(aq) →2NaNO3(aq) + CO2(g) + H2O(l) HNO3 solution Molarity of HNO3 solution…

Q: Energy diagrams for two reactions are shown. 150- 150 100 - 100. 50 - 50 - Reaction progress…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Question 14 High-pressure ATR is used to analyze very hard sample. O True False

A: True

Q: Consider the following half-reactions: Half-reaction E° (V) Br2(1) + 2e¯ – 2B1¯(aq) 1.080V Sn2+(aq)…

A: The electrochemical properties are given below

Q: How long (in hours) must a current of 4.61 amps be passed to produce 79.5 g of copper metal from a…

A: Given:: Current i= 4.61 A  Mass of Cu = 79.5 g  Molar mass of Cu= 63.55 g mol-1 Time t= ?

Q: Provide a mechanism for the following transformation. NH2 NaNO2/HCI/H,0 OH CH3 H3C- -CH3 H3C CH3 CH3…

A: Given : We have to make the product for the given reaction.

Q: f two molecules of a 1-butanol undergo a condensation reaction, the product of the reaction must be…

A: Given -> 1-butanol

Q: Consider the following data for yttrium: g 88.906 mol atomic mass electronegativity 1.22 kJ 29.6 mol…

A: We would first check the type of reaction given and compare it with the given data .    Note : As…