The precipitate formed when Ni(NO3)2 is mixed with Li2S is A. Ni2S B. NiS C. LiNO3 D. Li2NO3

Q: Determine the total number of sigma (ơ) bonds and the total number of pi (T) bonds in the compound…

A:

Q: 6. When determining the molecular/electron geometry of a molecule, what information is required?

A: Information required to determine molecular / electron geometry = ?

Q: Copper[II] sulfide (CuS) dissolves in water to give a solution that is 9.2 x 10-23 M at 25oC.…

A: Given- Solubility=9.2×10-23M =s Ksp of CuS=?

Q: Predict the species that will be oxidized first if a mixture of molten salts containing the…

A: EoMg2+/Mg=-2.36VEoBr2/2Br-=1.09VEoCu2+/Cu=0.34VEoF2/2F-=2.87VECl2/2Cl-=1.36V

Q: Write a balanced chemical equation for the following reactions: .  **You do not need to indicate s,…

A: Write a balanced chemical equation for the following reactions:

Q: atom was closest to the negative side of the molecule, you'd enter "H" in the last column of the…

A:

Q: True/False 4.184 joules equal 1 kilocalorie carbon atom can form 4 bonds 31. 32. 33. molar mass of…

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: What is normality of a solution containing 90g of HCI in 2600ml of solution? (Use the given…

A: Normality is defined as number of gram equivalents of the solute dissolved per litre of solution.

Q: Use systematic treatment of equilibrium to calculate the molar solubility of AgIO3 in an aqueous…

A: Solution to the question is given below ?

Q: How much faster will a reaction be at 40 °C than at 25 °C, when its activation energy (Ea) is equal…

A: Given-> T1 = 40°C = 40 + 273.15= 313.15K T2 = 25°C = 25 + 273.15 = 298.15 K Activation…

Q: Name these coordination compounds. formula MoBs,(H,0).] Br

A:

Q: 000 K=2 At equilibrium? At equilibrium? yes O no yes no K= 4 K= 11 At equilibrium? At equilibrium? O…

A: Here K is the equilibrium constant and is given by the expression  K = concentration of product /…

Q: Calculate to five significant figures the binding energy in J/nucleon of the nucleus of an atom of…

A: Given that -  Atom, Neon -20  Atomic mass of Neon-20 = 19.9924 u    Now, from following formula -…

Q: A reaction, run at 298 Kand constant pressure, is found to have a standard Gibbs free energy of…

A:

Q: Determine the mole fraction of CH3OH in a solution prepared by dissolving 36 g of alcohol in 1000g…

A: The mole fraction of any substance is defined as the ratio of the no of moles of that substance to…

Q: Atom A *: *: Z. A-A-A-X: :Y: X:*: 1. It assumes a trigonal planar molecular geometry. II. It has…

A: We have to find which statement is true for atom A

Q: In a certain oxide of nitrogen in g/L at multiple pressures at 0 °C, different density results were…

A: Given: The density v/s pressure data at 0.0 oC as, Pressure Density 1 atm 1.9804 2/3…

Q: 3. 5 mL acetic anhydride is to be added to 2 g salicylic acid. To how many equivalents (acetic…

A:

Q: Refer to the HBr- ---

A: ->Because free radical initiator or peroxide not present .Hence, there occur Markovnikov's…

Q: Consider the following chemical reaction at equilibrium Co(g)+ H2O (g) co2(g)+H2(g)Of H2 is removed…

A:

Q: You left a glass full of homogenized milk on a table undisturbed for half an hour. What would result…

A: To the eyes, milk may appear homogeneous but it is a heterogeneous mixture. However,  homogenized…

Q: 2) Consider a mixture of acids that is 0.100 M formic acid, HCHO2, and 0.150 M HCIO. )Write the…

A:

Q: Which substance is the primary standard used for the accurate determination of HCl titrant…

A: Primary standard which can be weighed easily, and which is so pure that its weight is truly…

Q: 500g of Al2s3 is dissolved in H2o to make 15.0 L of solution. What is its normality? (MW:…

A: Normality = (wt.)/{(equivalent wt.)×Volume(L)} ---(1) We know that:  Equivalent wt = (moleculer…

Q: Explain the liquefaction of gases in light of the van der Waals equation.

A: Liquefaction of gases - Liquefaction of gases is physical conversion of a gas into a liquid state…

Q: For the reaction 2 Cu+(aq) + Sn4+(aq)  ->  2 Cu2+(aq)  + Sn2+(aq), E° = -0.0050 V, cell   (a)…

A:

Q: A mixture of methane gas, CH, (), and propane gas, C,H, (), has a pressure of 0.6205 bar when placed…

A: Given: Initial pressure of mixture = 0.6205 bar. And the final pressure of product gases = 2.486…

Q: When alkenes are oxidized initially, they form what types of compounds? A. Aldehydes B. Alcohols C.…

A: It is asked in the question that what forms when alkene are oxidised initially.

Q: 3. Most salts contain a metal and a non-metal. Look at the compounds we tested and explain how we…

A: Salts are chemical compounds with the same number of positive and negative charges, a net charge of…

Q: Identify the reagents needed to achieve the following transformation. If any of the steps aren't…

A: We have to carry out the given transformation.

Q: . Which of the following molecules has an assumed van't Hoff factor equal to 27 A. K3PO4 B. M9SO4 C.…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: Provide an IUPAC name for the compound below. ball & stick labels (Specify (E) or (Z)…

A: For the given compound , Compound is CH3-CH2-CH=CH-CH2-CH3 Double bond is present on the 3rd carbon…

Q: Bleaching Chlorine atom to chloride anion Corrosion O O O

A: Answer - You have posted multipart of question as per the guidelines i have solved first three…

Q: Sc+ S -->   Write the electron configurations using noble gas configurations for  each element and…

A: Electronic configuration   Sc - [Ar] 3d¹ 4s²   Most stable ion of scandium Sc3+ - [Ar] 3d0 4s0…

Q: Your teacher asks you to dilute 6.0 M HNO3 (M1) to 250. mL (V2) of 1.0M HNO3 (M2). What volume (V2)…

A: Given Molarity(M1) = 6.0 M Volume (V1) = ?  Molarity (M2) = 1.0 M Volume (V2) = 250.0 mL

Q: Identify the SYSTEMATIC name of the molecule that is illustrated in this item. *…

A:

Q: QUESTION 2 Calculate the energy (per mole of tritium consumed) for the following reaction, H + He Li…

A:

Q: In the reaction 2KClO3(s)—> 2KCl(s)+3O2(g) how many liters of oxygen gas at STP are produced from…

A:

Q: NAOH, H20

A: Detail mechanistic pathway is given below to find out the product

Q: A voltaic cell has the following initial state: Cr (s) | Cr (aq, 2.0 M)|| C* (aq, 9.0 M) | Cr (s)…

A: The cell given is, Given: Volume of cell = 1.00 L And current = 26 A

Q: nyl-2-decacen-6-yne nyl-2-dodecen-6-yne nyl-10-decacen-6-yne nyl-10-dodecen-6-yne

A: The iupac nomenclature, first select the longest parent carbon chain which must include main…

Q: Explain the meaning of the term critical mass in relation to the use of a chain reaction for the…

A: Answer: Controlled nuclear chain reaction is used in which nuclear fission takes place to produce…

Q: 88 dentify which of the following metals will be oxidized by 1.00M HCL. H* will be reducea Ag above…

A: Elements which have higher oxidation potential than HCl , are oxidized by HCl.

Q: Sodium bicarbonate CANNOT be analyzed when paired with sodium hydroxide. Which of the following…

A: Here we are required to explain the phenomenon that sodium bicarbonate Cannot be analysed when…

Q: For pH = 6.00, calculate the alpha one (a1) in an aqueous solution of citric acid. (Ka1 = 7.45 x…

A: PH of solution is 6. K1,k2,k3 are dissociation constant of citric acid.

Q: What is the pressure in atm of 0.042 mole of gas at 561 mL and 32 F?

A:

Q: Iron-59 is a radioisotope that is used to evaluate bone marrow function. The half-life of iron-59 is…

A:

Q: Identify the SYSTEMATIC name of the molecule that is illustrated in this item. *

A: 1. Select the principle carbon chain 2. Numbering 3. Naming (prefix + word root + suffix)

Q: Give the IUPAC name of these compounds:

A:

Q: NO(g) + SO3(g) has K = 5.94. Suppose 0.189 mol of NO2 and 0.189 mol of SO2 are placed At 1000°C, the…

A: At equilibrium- Kc = [Product]/[Reactant]