Give balanced equations for extraction of silver from its sulphide ore

Q: 8. Fact: Phosphorus has a smaller electron affinity than Silicon. Explain why.

A: Electron affinity of an atom or molecule is defined as the amount of energy released when an electro...

Q: Beryllium (Be) is in the box on the periodic table shown. Lithium (Li), boron (B), and carbon (C) ar...

A:

Q: A 0.2795-g sample of an organic mixture containing only C6H6Cl6 (290.83 g/mol) and C14H9Cl5 (354.49 ...

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

Q: why is it that glass fibers of different lengths have different strengths

A: Glass fibre is material  consisting of number of fibres  of glass

Q: Provide the name of the compound shown below. CH;CH,COCH3

A:

Q: Use the solutions listed to answer the questions that follow. A. 50. mL of 0.50 M NH3 (Kb = 1.8 x 10...

A: Buffer solution is the solution in which upon addition of acid or base pH remains constant . 

Q: Thank you for your help! The answer is not 3.7 Lol

A: For the calculation of PH first of all we need to calculate the H+ Ion concentration from the given ...

Q: A student claims that if element D is in group 16, then the molecular geometry of DF4(g) is tetrahed...

A: From VSEPR theory we can determine the structure of the compound .

Q: For bromobenzene, where is the molecular lon peak supposed to be? Where is the (M+2) peak supposed t...

A: Here is your answer

Q: You have 326 mL of 12.0M HCl. How much 0.350M HCl could you make with it?

A:

Q: Using acetone, any alcohol with six or fewer carbons, and any inorganic reagentsnecessary, show how ...

A: The question is based on the concept of chemical reaction. We have to synthesise the product  using ...

Q: 7. Pt(NH;),Cl4 8. Fe(CO);

A: Here I have mentioned IUPAC names for the top two molecules     Pt(NH3)2Cl4- diammineplatinum(4)tetr...

Q: 6. How many moles of benzoic acid (HC-HsO2) must be used to prepare 500. mL of a solution that has a...

A:

Q: upis) Classify the following substituents as electron donors or electron acceptors relative to hydro...

A: 1. Inductive effect is a permanent effect which arises due to the polarity in the molecule.  2. If a...

Q: Which of the following types of EM radiation have photons with the highest velocity in a vacuum?  (...

A: From the given types of electromagnetic radiation, which has highest velocity in a vacuum has to be ...

Q: When COCl2 is placed in a container with a pressure of 2.3 atm, determine the equilibrium concentrat...

A:

Q: Need help with the top and bottom part

A: pH is the measure of the concentration of H+ ions in the solution. pH value determines whether the s...

Q: Explain your reasoning, please. Thank you.

A: Le Chstelier's principles, also known as the equilibrium law, are used to predict the effect of some...

Q: 1.5 A physician has ordered 37.5 mg of a particular drug over 15 minutes. If the drug was available ...

A: Introduction: According to the question ,we have to give 2.5 mL of drug in every 15 s. •The above pr...

Q: 5. An atom of 41Ca is hit by an alpha particle that sticks to it. a. What is the atomic number of th...

A: Alpha particle : 24He

Q: In this short synthetic sequence, provide the organic structures of the missing reactant and the mis...

A: Satls of terminal alkyne reacts with alkyl bromide or alkyl iodide to produce internal alkyne Intern...

Q: 2. Prove that the total energy of electron is measured in units of joule.

A:

Q: Dinitrogen difluoride gas is collected at 11.0 °C in an evacuated flask with a measured volume of 5....

A: we have to apply ideal gas equation

Q: Calculate the overall enthalpy change for the reaction

A: *In H2O, two O-H bond is present and stoichiometry is 2 so bond energy =2×2×464 KJ/mol=928KJ/mol *In...

Q: At a particular temperature, K = 9.7 × 10-7 for the following balanced reaction: 2NO2 (g) → 2NO(g) +...

A: Moles of NO2 = 2.5  K = 9 7×10-⁷ 

Q: How many half-ives are required for the concentration of reactant to decrease to 25% of its original...

A: Half -lives Half life is basically the time required for a substance to reduce to half of its initia...

Q: How many different values of the orbital-shape quantum number, l, are possible for the third energy ...

A: The spin quantum number (s) represents the spin of the electron in the orbital, it is a measure of t...

Q: Which of the following terms best describes an enzyme? O reactant O product O catalyst

A: A catalyst is a substance that alter the rate of a chemical reaction without themselves undergoing a...

Q: Ex/a Carnot engine is operating at temperature 400k and 700k, if 14000 J of heat energy in absorbed ...

A: The Carnot cycle estimates the maximum efficiency of a heat system. It is a measure of the conversio...

Q: Please rovide a synthetic approach for the following reactions. Make sure to do the retrosynthetic a...

A: Given that,

Q: Provide the name of the compound shown below. CN ČH(CH3)2

A: Solution :     While naming any compound it is important to find out the functional group. The main ...

Q: Number 9 plz

A: Given  Initial Pressure (P1)        = 4.9701 atm  Initial Temperature (T1) = 654.67 K  initial Volum...

Q: If the # of moles of sodium carbonate you used was 2.75 x 10^ -2 and the number of moles of cobalt c...

A: Given: The number of moles of sodium carbonate and cobalt chloride is 2.75×10-2 mol and 3.30×10-2 mo...

Q: Provide the name of the compound shown below. N' N°

A:

Q: How to solve this

A: The question is based on the concept of equilibrium and formation constant of the complex. we have b...

Q: 3. For 52 Te, write: a. the valence electron configuration b. the oxidation states (underline the mo...

A: The answer to the following question is 

Q: What type energy is an battery? O a Thermal Energy Chemical Energy Potential Energy Electric Energy

A: Battery is a device which can convert chemical energy to electrical energy.

Q: The temperature of a 75.942 L of SO2 is changed from 358.3°C to -188.94 °C. What is the new volume o...

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

Q: What is the density of 3.78 E24 molecules of Nitrogen at STP?

A: Convertion of molecule to moles 6.022x1023 molecules are there in 1mole 1molecule are there in 1/6.0...

Q: In general, a catalyst lowers the activation energy, which makes: O the rate constant smaller and th...

A: A catalyst increases the reaction rate without undergoing any change and will be recovered as such w...

Q: What is the formula for the acetate ion?       What is the formula for the nitrite ion?       ...

A: The answer for the following question is -

Q: 2. Compound P, C4H9Br reacts with aqueous solution of sodium hydroxide to form compound Q, C4H10O. C...

A:

Q: Benzoic acid, HC7H5O2, has a Ka value of 6.4 x 10-5. 1. Find the pH of a 1.50 M solution of benzoic ...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...

Q: What does the reducing agent do in a redox reaction?

A: Reducing agent is the substance that donates electron to an electron acceptor in the reaction.

Q: Self-test 2.1 Calculate the expansion work done when 50 g of water is electrolysed under constant pr...

A: Given, mass of water =50 gram is electrolysed under constant pressure at 25 °CT = 25 °C =(25+273) K ...

Q: Q4: 2M of methanol (CH,OH) was added to NaCl to make a solution, the mole fraction of methanol was 0...

A: All thing done in handwritten solution..

Q: For the following half-reactions (SEE ATTACHED PIC) , answer the following questions below.

A: Since we only answer up to 3 sub parts, we'll answer the first 3. Please resubmit the question and s...

Q: Why is it important to see the level of solvent in the developing chamber when running a TLC experim...

A: It is extremely important that the solvent in the developing chamber be lower than the spots on the ...

Q: The history of science is important to current and future research. O True O False

A: History of the science includes different facts, different things which happened at various time in ...

Q: No.3 (see attached pic)

A: