Indicate the oxidation state of the underlined element in the following species. Shem all pertinent selutions neath, ordertv and completch. 1. NaMno. 2. 5o, 3. KJO.

Q: The burning of 20 g of SiH 4 (MW= 32.8)at constant pressure gives off 927 k) of heat. Calculate AH f...

A:

Q: a) ОН ОН b) CI HO

A: Here we have to prepare the following compounds from the given starting material in multistep reacti...

Q: Consider a buffer solution that contains 0.25 M CgHalCO2H){CO2K) and 0.15 M COH4(CO2K)2. pk (CH4(CO2...

A:

Q: 4. Silver has a face-centered cubic unit cell. How many atoms of Ag are present in each unit cell?

A: Answer-4 Face centered cubic unit cell is the type of unit cell in which atoms are present at the ve...

Q: What is the empirical formula for a compound containing 59.72% Tin 16.10% sulfur and the remainder o...

A:

Q: MeO2C, NaOMe MeO,C CO,Me HTOME OMe NaH Meo, OMe OMe OMe NH2 NH,OAc NaCl, DMF H+ -OMe NaBH;CN H2O, A ...

A:

Q: A 21.47-mL sample of hydrochloric acid solution requires 35.00 mL of 0.109 M sodium hydroxide for co...

A: Given :-  concentration of NaOH solution = 0.109 M  volume of NaOH solution = 35.00 mL  volume of HC...

Q: Using the following data, calculate the lattice energy of calcium chloride: Ca2+(g) + 2Cl– (g) → Ca...

A:

Q: Choose the compound of molecular formula C7H13B1 that gives each alkene shown as the exclusive produ...

A: Alkyl halide on elimination gives alkene as final product.  

Q: Suppose a 250. mL flask is filled with 0.80 mol of SO, and 1.5 mol of SO3. This reaction becomes pos...

A: The balanced equation is   2 SO2 (g) + O2 (g) <---------> 2 SO3 (g)Volume = 250 mL = 0.250 L I...

Q: A 75.6 mL sample of wet O2g) is collected over water at 21.4°C at a barometric pressure of 755. mmHg...

A:

Q: 1. Provide a systematic name for each of the following compounds

A: Given; structure of molecules

Q: Calculate the pH of a 7.51 M solution of HBrO. The K, of HBRO is 2.50 x 10.

A: pH = -log[H+]  Ka for an acid is the ratio of  product of concentration of products raised to their ...

Q: Consider a buffer solution that contains 0.25 M CGHalCO2H)(CO2K) and 0.15 MCGH4(CO2K)2. pka(C6H4ICO2...

A:

Q: Predict the major product for the following reaction. Na,Cr207 H2SO4, H2O ?

A:

Q: 2. A solution may contain any of the three group I cations. A white precipitate is formed the additi...

A: Answer:  Group-I contain three cations: Ag+,Hg22+,Pb2+   Groups reagent: HCl(aq)

Q: Which of the following is true?  a. Both alkane and alkenes can undergo radical mechanized reaction...

A: Alkane are saturated hydrocarbon whereas alkene and alkynes are unsaturated hydrocarbon.  

Q: The value of Henry's law constant for helium (He), hydrogen (H2) and oxygen (02) are respectively 14...

A:

Q: The total number of atoms present in one formula unit of Co2(SO4)3 is

A: Calculate each element....

Q: What happens to a dxy orbital as a result of the following rotations about the z- axis? С4 C2 А. В. ...

A: For this type of question, we have to discuss first the dxy orbital along with its sign.

Q: Describe   a   procedure   to   synthesize   the   ester   ethyl ethanoate, starting   from   ethene...

A:   Ethene upon hydration in presence of acidic medium gives ethanol  Ethanol further oxidised into e...

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or...

A:

Q: N(CH3)2 HO,

A: The given compound is a secondary alcohol. Here we have to convert the given compound to the given a...

Q: Balance

A:

Q: Answer 3 only

A:

Q: Spectrophotometric of a Cobalt Chloride Solution Analysis   1. explain in detail the results of th...

A: First, we have to draw a linear regression plot for the Absorbance(at 510 nm) Versus Cobalt chloride...

Q: Given the following at 25 "C and 1.00 atm: AHP = 33.2 kJ AHP = 11.1 kJ 1/2N2(g) + O2(g) - NO2(g) Ng(...

A: Given equations are : 1/2 N2 (g) + O2 (g) -------> NO2 (g) , ΔH1 = 33.2 KJ  N2 (g) + 2O2 (g) ----...

Q: molar mass

A:

Q: you are using MMA with two initiators N,N-Diisopropylethylamine and Ethyl α-bromoisobutyrate to reac...

A:

Q: A student titrated a 5.00-mL saturated borax sample at 15.7°C.  The titration reaction is as follows...

A: Given the titration reaction of borax: B4O5(OH)42–(aq) + 2 HCl(aq) + 3 H2O(l)  →  4 B(OH)3(aq) + 2 C...

Q: Name the bio instrument that performs the following function and or functions a. Carbon dioxide mea...

A: Bio instrument mostly uses sensors to detect and measure recording and transmitting physiological da...

Q: What number of molecules (or formula units) are present in 8.26 g of each of the following compounds...

A: Given- Weight of substance=8.26g

Q: A 400 MHz 'H NMR spectrum of a mixture of common organic solvents consisting of benzene (C6H6) 8 7.3...

A: Given that, a mixture of three organic compounds, that are benzene, diethyl ether, and dicholomethan...

Q: Consider a buffer solution comprised of HF and F-. The Ka of HF is 6.3 x 10-4. If the pH of the buff...

A: Weak acid are those acid which does not dissociate completely in aqueous solution. Here HF is weak a...

Q: Question 3 What mass of Cu(NO 3) 2 can be prepared from the reaction of 3.50 grams of copper with 10...

A: In multiple questions, we solve only the first question according to the Bartleby Guidelines. First,...

Q: 3) A solution has a pOH of 3.62. a. Is the solution an acid or a base?. Part b below first.) (If you...

A: As part of our community guidelines, we can answer only the first three sub-parts of the given quest...

Q: The reaction represented by the equation CO2(g) ---> C(s) + O2(g) is always ________

A:     Recall the given reaction,    CO2 (g)                          C (s)  +  O2 (g) We have to ident...

Q: Oxidation Reaction:    Reduction Reaction:

A:

Q: 10 3H 3H 2H

A: We have to determine the structure of the molecule by using the NMR spectrum. The molecular formula ...

Q: How many signals do you expect in the 1°C NMR spectrum of the following compound? O Seven O Three O ...

A:

Q: The rate at the start of the reaction is called

A: At the beginning of the reaction. i.e. time t =0, it is called initial rate.

Q: C4 H,0 8 4. 3. PM-00-190 ppm 00

A:

Q: Describe the behavior of salts in water at 298 K: Group of answer choices They all dissociate comple...

A: Salts are ionic compounds formed by the combination of metal cation and non-metal anion.

Q: grams

A:

Q: The equilibrium constant for the gas phase reaction N2 (g) - 3H2 (e)2NH3 (2) is Keq =434 x 10-3 at 3...

A: For any chemical reaction, the effect of temperature on the direction of equilibrium will depend whe...

Q: Copper(II)-ammonia system 1. Place 1 mL 0. 1 M CuSO, into a test tube. Then, add 5 drops 1. 00 M NH,...

A: Answer: This is confirmatory tests for copper(II) ion of group-II in qualitative analysis of basic r...

Q: A gas made up of atoms escapes through a pinhole 2.83 times as fast as O, gas. Write the chemical fo...

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: Describe the relationship between each of the pairs of isomers shown by recording Constitutional, Co...

A: -> After flipping we get conformation isomer.  

Q: Which of the following will lower the activation energy for a reaction? O increasing the concentrati...

A: In a given chemical reaction, the minimum amount of energy required by the reactant molecules to att...

Q: Write balanced equations for each of the processes, choosing from the following substances as reacta...

A: Balancing equation: