In nitrous acid (HNO2) the oxidation state of N is.. 1. +3 2. -3 3. +5 4. +6 а. 1 O b. 2 С. 3 O d. 4

Q: Heavy nuclides with too few neutrons to be in the band (zone) of stability are most likely to decay…

A: The correct answer about the stability of Heavy nuclides is given below

Q: A graduated cylinder was filled with water to the 17.2 mL mark and weighed on a balance. Its mass…

A:

Q: C. %23 The wavelength and frequency of an electromagnetic wave are related to each other through the…

A: In a given question , we have to find out the frequency of given wavelength.

Q: Carbon monoxide reacts with water according to the following equilibrium reaction: CO (g) + H20 (g)…

A: ∆H° , ∆S° can be calculated using standard formation values of all Species involved in the reaction.…

Q: What is the net ionic equation for the reaction between Cu2+ and Na2CO3

A:

Q: 5. Calculate Keq given the following: A(aq)=3B(s)+2C(aq) [A]eq= 0.812 M [B]eq=0.718 M, [C]eq= 0.319…

A:

Q: How much heat will be transferred when 14.9 g of ammonia reacts with excess oxygen according to the…

A:

Q: Predict the products for the following reactions. Draw the skeletal structure for the reactants and…

A: The reactants given are,

Q: Q) If VToluene = 25ml and Voit 25ml Vwater looml m wt find wt9

A:

Q: why do you have to stir when adding sodium nitrite to a solution when forming a diazonium salt?

A:

Q: 18_u-igNsIkr/18P3]H-IvdWKW_BBZZ16tTytly4Fcfu6zOtOf80MM9ssjVNAaf12UnyqOVi-iJmPnmc371rY... Spotify Web…

A:

Q: Suppose we wanted to use a different starting material to perform the rearrangement under basic…

A: Concept: The benzilic acid rearrangement is the 1,2-rearrangement of 1,2-diketones to form…

Q: Enough of a monoprotic acid is dissolved in water to produce a 1.261.26 M solution. The pH of the…

A: Given: Concentration of monoprotic acid (Assuming HA) = 1.26 M And the pH of the solution = 2.70

Q: Determine the pH change when 0.086 mol NaOH is added to 1.00 L of a buffer solution that is 0.427 M…

A: First we would Calculate pH before addition of NaOH using Henderson Hasselbalch equation.  Then to…

Q: 4Al(s) + 3O2(g) ⟶ 2Al2O3(s)    ΔH = -3,351.4 kJ What is the heat flow when 89.23 grams of aluminum,…

A:

Q: Calculate the cell potential for an electrochemical cell at 298 K with an aluminum ion concentration…

A:

Q: Question 2 The vapor pressure of butane at 300 K is 2.2 bar and the density is 0.5788 g/ml. What is…

A: The relationship between the vapour pressure and the density is that , whenever pressure increases…

Q: The molecular weight of a gas having a density of 6.70 g/L at STP, in g/mol is:

A: Given :- density of gas at STP = 6.70 g/L  To calculate :- molar mass of gas (g/mol)

Q: Predict which of the following will give a rearranged product when reacter under hydrohalogenation…

A: Among these which will give rearranged product under hydrohalogenation condition is given below

Q: What makes a bond polar? What are the criteria for deciding whether a bond is pure covalent or polar…

A: When two atoms with same electronegative combine with each other, then there is no particular…

Q: If the TLC plates had been developed in a more polar solvent, would retention factors on the whole…

A:

Q: ) For the following reaction, after you balanced the redox reaction, please calulate ΔS, ΔH, and ΔG.…

A: 1) Given that unbalanced Chemical equation -  SO2(g) + O2(g) + H2O(l) yields H2SO4 (aq) (unbalanced…

Q: 15. For the following reaction, write how the each of the changes will affect the quantity of each…

A: According to Le chatellier 's principle, by change in any external parameters, reaction will arrange…

Q: 10 J. 10. According to the'Aufbau principle, what are the possible quantum numbers for the last…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: ID: B The molarity of an aqueous solution of NaCl can be defined as- 10. moles of NaCl per liter of…

A: ★ Answer : Correct option is  'a'   ★ Solution : * Concentration :  The measure of the amount of…

Q: How many states are contained in a (a). 2p' 3d' configuration? (b). "F, term? (c). 1s° 2s° 2p° 3s°…

A:

Q: 2. In the quantum mechanical model of the atom, a maximum of 10 electrons is predicted to occupy a…

A: The quantum numbers given are,

Q: 1 add water to 100 mL of a 0.15 M NAOH solution until the final volume is 150 mL, what will the…

A:

Q: Provide the correct IUPAC name for As2S5

A:

Q: A sample of gas has a volume of 75.0 mL at 30.0 psi. Determine the pressure of the gas if its volume…

A: The answer is given below

Q: 006 008 00L 009 00s 00t 00€ 007 00L 007- Pressure (atmospheres)

A: A question based on phase diagram that is to be accomplished.

Q: A zero order reaction with initial concentration [A]0=1.6 M what is the concentration after 2 half…

A: Half life is the time taken to consume the half of initial concentration of the reactant. Given that…

Q: Acetylene (C,H, gas is often used in welding torches because of the very high heat produced when it…

A: Answer: This question is based on stoichiometric calculation where on the basis of relation between…

Q: A sample of water at pH 10.5 has 75 mg/L of CO3-2 and 65 mg/L of HCO3- Including the contribution of…

A:

Q: b. tor each pair State whetner theyare resonance, Znantiomer, diastereomers structural isomers or…

A: Since we know that cis-trans isomers are diastereomer...

Q: what is the melting point of divanillyl oxalate

A: Divanillyl oxalate can be made by the reaction of triethylamine, vanillin and oxalyl chloride.…

Q: Calculate the Cal (kcal) in one cup of whole milk that contains 19 g of carbohydrate, 9g of fat, and…

A:

Q: mass of matter (in grams)

A:

Q: Why did you wash your product with water (2x) before washing it with the sodium bicarbonate…

A:

Q: You will make Nylon-6,10. What does the 6 and 10 refer to? PROCEDURE Synthesis of Nylon In a small…

A: Given that, the preparation of Nylon-6,10. We have to tell what the numbers 6 and 10 refer.

Q: Substance AHf (kJ/mol) KCIO3(s) -397.7 KCI(s) -436.5 What quantity of heat is released when 1.00 g…

A: The reaction given is, => 2 KClO3 (s) → 2 KCl (s) + 3 O2 (g)  Given: ΔHof{KClO3 (s)} = -397.7…

Q: How much heat will be absorbed when 38.2 g of bromine reacts with excess hydrogen according  to the…

A: Given :-  H2 + Br2  + 72.80 kJ → 2HBr  To calculate :-  Amount of heat absorbed when 38.2 g of…

Q: Supplemental Question Q8 (to be answered under section C) Regarding your answers in the fifth column…

A: A question based on equilibrium concept that is to be accomplished.

Q: 1. How many molecules are in 500.g of iron (II) phosphide? 2. Whats the mass (in grams) of 500 moles…

A: Given,  One mole of any substance contain Avogadro' s number of molecules.  Avogadro's number =…

Q: HCN is a weak acid (Ka = 6.20 x 10-10), so the salt, KCN, acts as a weak base. What is the pH of a…

A:

Q: A- methanal B- butanone C- benzaldehyde D- 3-methylcyclohexanone please draw condensed or line angle…

A: Given :-  Name of compounds  Methanal  Butanone  Benzaldehyde  3-methylcyclohexanone  To draw :-…

Q: 5. If you left equal masses of iron and water out in the sun on a hot day, which one would be hotter…

A: Here we are required to find the substance which will become hotter after heating for 15 min

Q: If a 1.54g sample of Zinc Oxide, 96.2%, were treated with 50ml of 1.0923N H2SO4 in the usual way,…

A:

Q: %24 E. %23 4. 5. K. 6. V 7. MacBook Pro Cl+ Answer Bank Smallest radius Arrange the atom and ions…

A: The species given are Cl, Cl+ and Cl-.

Q: A voltaic cell is constructed in which the anode is a Fe|Fe2+ half cell and the cathode is a F"|F,…

A: Oxidation:-Loss of electrons from the reaction. Reduction:-Gain of electrons in the reaction.

Group 14 Elements

The following elements come under group 14 of the periodic table.