Hz S64. NH_ Na BH jCN

Q: A physical chemist measures the temperature T inside a vacuum chamber. Here is the result. T=-20.656…

A: Given :- temperature (T) = -20.656 °C  To convert :- -20.656 °C to K (kelvin)

Q: HO,C(CH),CO,H (select) dioic acid v Give an acceptable IUPAC name for the following carboxylic acid.…

A: The given compound is HO2C(CH2)6CO2H Expand it as OH2C-CH2-CH2-CH2-CH2-CH2-CH2-CO2H so,it has 8…

Q: What is the difference between the equivalence point and the end

A: Titration reactions also involve color change. These reactions involve end point and equivalence…

Q: 1. Calculate the volume in milliliters of a 5.36/molL silver nitrate solution that contains 275.mmol…

A: Given data, Concentration of AgNO3 (C) = 5.36 mol/L Number of moles of AgNO3 (n) = 275 m.mol {•••1…

Q: g) + 2CO(g)→20O2(g) change when the pressures of the gases ar atm; CO = 0.30 atm; CO2 = 0.45 atm www…

A: Given, □G° = (Total □Gf)products - (Total □Gf)reactant = [2×(-394.359)] - [2 × (-137.168)] =…

Q: 0.0140 M in HCIO4 and 0.0650 M in monochloroacetic acid. pH = bo.0140 M in HCl and 0.0650 M in H2…

A: Hii there, As there are multiple sub parts posted. we are answering first-three sub parts. If you…

Q: ns: Au (aq) + 3e Au(s) E = +1.50 V Cd2*(aq) + 2e Cd(s) E =-0.40 V is being oxidized. is being…

A: Answer:  1) Cd is being oxidised . Because oxidation state of CD is increased. 2) Au3+ is being…

Q: Write the IUPAC name of the following ester: O propyl benzoate O benzyl propanoate O benzoic acid O…

A: In given figure, -COOR group is present. It means , it is an ester.

Q: (2) Consider the reaction: 5Br (aq) + Bro laq) + 6H*(aq) → 3Bra(aq) + 3H20(1). The average rate of…

A: 5Br-(aq) + BrO3-(aq) +6H+(aq) --> 3Br2(aq) + 3H2O(l) -∆[Br-]/∆t.  = 1.5 × 10-4 M/s

Q: 4. Suppose, after entering the body, a substance is eliminated at a rate that can be modelled by the…

A:

Q: Are sodium carbonate and ethanol a reagent in extracting caffeine from the tea leaves? Explain the…

A: Extraction is a method used for separating organic compound from mixture of compounds .  Acid - base…

Q: The sample you analyzed has an intensity of 0.83 and a wavelength 672 nm. When you reanalyze the…

A: The question discusses about the change in the intensity of the absorbance peak of a given sample in…

Q: Name the following compound. Group of answer choices 3-propylheptane 4-ethyloctane…

A:

Q: ne IUPAC name for the following carboxylic acid?

A:

Q: Personal error is random error O False O true accuracy is agreement of a set of results among…

A: Errors can be classified into categories. These can be classified as random error, personal error…

Q: 1000 Incorrect! But, you can still earn a point by determining the uncertainty value for the correct…

A:

Q: Chemistry The following redox reaction is known to be used for metabolic energy by microbes living…

A: Split the equation into oxidation and reduction half. Balance bothe the reaction halves. Add them…

Q: Equal volumes of two monoprotic acid solutions (A and B) are titrated with identical NaOH solutions.…

A: Concept:  Acid base titration: The strength of an acid solution is determined by titrating it…

Q: For the titration of 20.0 ml of 0.400 M HCI{aq) with 0.400 M NaOH(aq): HCI(aq) + NaOH(aq) - NaCl(ag)…

A: we need to calculate the pH of HCl solution

Q: 1. How are ions formed? 2. If you were an element, which group would you choose? Do you want to be a…

A: (1) Ions are generated when electrons are added to, or removed from, neutral atoms, molecules, or…

Q: An electrochemical cell is made from the electrode systems shown by these half-equations. Ag (aq) +…

A:

Q: Using crystal field theory, draw an electron box energy level diagram for the valence d orbitals on…

A:

Q: What are the strongest attractive forces that must be overcome to (name all possible answers) a.…

A: Intermolecular force of attraction among atoms/molecules is responsible for the atoms or molecules…

Q: A…

A:

Q: Name and Draw the structures of all possible chemical (Electrophilic aromatic substitution)…

A:

Q: A solution of CaCI, and K.PO, results in the formation of Ca (PO. and KCI. The balanced chemical…

A: Given balanced reaction; 3 CaCl2 + 2 K3PO4 → Ca3(PO4)2+6 KCl Molar mass of CaCl2 = 111g/mol Molar…

Q: What are the products in the reaction: HCO31+H20 if the H20 is acting as a base? H2CO3+H2O O…

A: Here, we have to find the products in the reaction: HCO3-1 + H2O when H2O is acting as a base.

Q: Nitrosyl bromide decomposes by the reaction 2 NOBr(g) –→ 2 NO(g) + Br2(g). Show that the following…

A: In order to find the order of the reaction, we have to plot 3 different graphs. The graph having the…

Q: For many purposes we can treat ammonia (NH,) as an ideal gas at temperatures above its boiling point…

A: Given-> T1= -19.0°C = -19.0 + 273 = 254 K T2= 21.0°C = 21.0 + 273 = 294 K P1= 0.29 kpa  Volume in…

Q: Fez++ Mn Oq- Fe3tA My2t >Fe3t + Mn2t OXO

A: Step by step solution are below

Q: 4. For each of the following series of compounds, which one has the most red-shifted C-0 stretch? NH…

A: 1.a 2.e 3.h 4.l

Q: Balance the given reactions by change in the ox. no. method. Identify the oxidizing agent and…

A:

Q: Consider solubility ngsalibria 1. Write aut the sahatlily equliwium equatinn fae Caso, 2 Uur te…

A: #1: Solubility equilibrium equation is expressed in terms of Ksp which is a products of the…

Q: Balance by half-reaction method CN- + MnO4-  OH-→ CNO- + MnO2

A: Electrochemistry is branch of chemistry in which we deal with Oxidation and reduction reaction.…

Q: A reaction at 20.0 °C evolves 391. mmol of boron trifluoride gas. Calculate the volume of boron…

A:

Q: SOCL주

A:

Q: he standard entropy change, ancwor to ono ocimal nlace

A:

Q: What is the chemical reaction involved in the synthesis of isoamyl acetate?

A:

Q: For a 7.48 gram sample of water at 0.63°C , what is the minimum amount of heat (in kJ) needed to…

A:

Q: 12. Predict the equilibrium of the following hydration reaction. но он Me Me H20 Me Me a) K 1 13.…

A: Since we known that , gem diol is unstable... But in some cases gem diol is stable and Keq is…

Q: For the reaction 2 A+ 4 B-2 C+4 D, what is the absolute magnitude of the rate of change for [B] when…

A:

Q: Give the correct order of the given compounds in order of decreasing reactivity towards…

A: Aromatic electrophilic substitution reaction: Aromatic electrophilic substitution reactions are the…

Q: Refer to the acid-base titration curve shown below. What is the pka of the acid present at the half-…

A: ->At equivalence point moles of acid equal to moles of base.that is no acid base left the volume…

Q: What pressure is required to compress 196.0 L of air at 1.00 atm into a cylinder whose volume is…

A: ->At constant temperature Boyle's law is applied. ->At constant pressure Charles law is…

Q: Name the following:

A: We have to give the name of the givne compounds.

Q: 2-

A: Chemical redox reaction,  Cr2O72- + I2 ---> I- + Cr3+ Step-1: splitting into half reactions…

Q: Consider the 4 Lewis structures given here, it is the ion NSO". [Ns-+] [s] [sso] [s0]" N=S=Ö (B) (C)…

A: In resonance structures , total number of bonds remain same .  Formal charge can be calculated using…

Q: The 'H NMR spectrum of compound A (C3H100) has four signals: a multiplet at 8 = 7.25-7.32 ppm (5 H),…

A:

Q: What is the IUPAC name of the following compound? H. CI Br O 2-bromo-4-chlorobenzaldehyde…

A:

Q: A hydrocarbon (a compound that contains carbon and hydrogen only) contains 82.8% carbon and its…

A: Given, the percentage of carbon in the hydrocarbon = 82.8% The relative molecular mass of the…

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.