Encreasing the temperature increases the rate of a reaction by doing which of the following? Increasing the activation energy, Lowering the activation energy, Increasing the frequency of effective collisions between reacting molecules, Potential energy of the products, Lowering the frequency of effective collisions between reacting molecules

Q: 6. How many moles of sulfur could be prepared from 54.1 L of oxygen at STP? 2 H,S) + O2g → 2 S + 2 H...

A: One moles of oxygen molecule help in to produce two mole of sulphur atom. ( by stoichiometry ) 

Q: A solution of sulfuric acid (H2SO4) has a concentration of 0.0075 M. Calculate the pH of this soluti...

A: Given, Concentration of H2SO4 solution = [H2SO4] =  0.0075 M pH of the solution = ? Note:  Sulfuric ...

Q: Rewrite this number in nonscientific notation, to the correct number of significant figures. 5.15 x ...

A: The nonscientific notation of the above number is given below

Q: 9. Why do we need to test the washings with AGNO3? 10. What is done in an ignition process?

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Q: O=Z

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Q: 9.53 Using these reactions, find the standard enthalpy change for the formation of 1 mol of PbO(s) f...

A: From the given two reactions, firstly we have to find out the reaction of synthesis of PbO. From tha...

Q: te) In a two-level, non-degenerate system with energy separation equivalent to U = 400 cm', what is ...

A: We have to calculate temperature at which population of upper is one third of the lower state  Means...

Q: Which of the properties below apply to the polymer that forms when the following monomers react? + N...

A: Condensation polymer is when polymerization occurs and water molecules is Removed during the reactio...

Q: Identify the type of reaction using the following abbreviations: C = Combustion; D Decomposition; %3...

A: Given,  Mg(s) + 2HNO3 (aq) -------> Mg(NO3 )2 (aq)+ H2 (g)  The type of the reaction is:

Q: CH3 HCI .CH3 H3C (b) H3C. HBr H3C. CH3 Br (с) HBr Br or (d) HCI

A: We have to  write the correct products for the above-mentioned following reactions with proper mecha...

Q: The system releases 500J of heat energy and 200J of work is done by the system. Calculate the change...

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Q: A 2 molal hydrochloric acid (HCl) solution freezes at - 8.86 C. Calculate the apparent percentage of...

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Q: Н20, Н+ HBr

A: Given reactions are :  a).  b).   Complete these reaction and  stereochemistry (cis/trans) of the g...

Q: [2] Write a chemical equation for an equilibrium system that would lead to the following expressions...

A: Answer - (a) According to the question - The equilibrium constant( K ) expression as follows - The ...

Q: 8. Write the product of the reaction in three dimensions and indicate if the methyl groups in the pr...

A: As per guidelines we have to solve only the First question. We have to determine the stereochemistry...

Q: Following AAS analysis, a graph of absorbance versus ppm nickel standard gave a best-fit line y = 0....

A: AAS is a spectroscopic technique by which a quantitative estimation of atoms can be determined. In a...

Q: For Acrolein, indicate the movement of electrons when there is resonance, include the partial charge...

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Q: Monochromatic light is light of one color, one frequency. If a monochromatic light beam is increased...

A: Answer: This question is based on the basic understanding of wave nature of matter where we have to ...

Q: A Fisher chemical bottle labels a H2SO4 solution with 2 N, what is the molar concentration of this a...

A: Concentration of H2SO4  = 2 N  

Q: 12. From the data in Table 4–3 determine at 25°C: (a) The amount of heat which will be liberated whe...

A: The solution of the question is given below:

Q: reaction. Use the Standard Enthalpies of Formation in your textbook to determine the AH° for the Naz...

A: From the standard enthalpy of formation data  ∆Hf for CO2 is -393.51 kJ  ∆Hf for NaCl is -407.25 kJ ...

Q: 15. Choose the pair of photoelectron spectra that will be identical.   A the PES of 37Cl and 35Cl...

A: Correct answer  B . The PES of Ne and F-  (Same  total electron)

Q: The product A goes one epoxidation and  gives product B at 9:1 ratio diastereoselectivity. Now, Give...

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Q: Aluminum carbide, Al4C3, is a yellow powder that reacts with water to produce aluminum hydroxide and...

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Q: Construct the expression for Kc for the following reaction. 3 NO(g) = N20(g) + NO2(g)

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Q: 9.63 Reactions of hydrocarbons are often studied in the petro- leum industry. One example is 2 C;Hg(...

A: Given reaction: 2C3H8(g) → C6H6(l) + 5H2(g) ∆H∘ = 698 kJ The volume of propane = 35 L The temperatur...

Q: The models in the following table represent ions that have their usual charge. Give the formula, inc...

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Q: The destruction and removal efficiency for a particular VOC in an incinerator is 97.5%. Determine th...

A: We have find out mass flow rate 

Q: Using gravimetry analysis, explain in 3-4 how is the process of testing the purity of the squash sou...

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Q: What is the balanced chemical equation for the aromatic bromination of Acetanilide using green reage...

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Q: 7-55 trans-1-Bromo-2-methylcyclohexane yields the non-Zaitsev elimination product 3-methylcyclohexen...

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Q: Which parameter is measured by determining the drop in dissolved oxygen in a sealed water or wastewa...

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Q: An organism had 170 grams of Carbon - 14 (a radioactive form of carbon) in it when it died. How much...

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Q: Briefly describe the significance of anion gap?

A: We have to tell the significance of anion gap. 

Q: A Fisher chemical bottle labels a H2SO4 solution with 2 N, what is the molar concentration of this a...

A: Given, Normality of H2SO4 solution = 2 N Molarity of H2SO4 solution = ? The relationship between nor...

Q: Please provide the answers in each situation. 1. Which compound/s will react with Br2 in water under...

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Q: a. Name the following compounds according to systematic and common nomenclature. H N' NO2 `N' H 4 1 ...

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Q: 0.0736t wheret is in days. A particular compound decays according to the equation y = ae Find the ha...

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Q: how molecular spectroscopy works? what are its advantage and disadvantages

A: Spectroscopy is based on the interaction between light and matter.

Q: 9.50 When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL of water in a coffee cup calorimeter, the...

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Q: Use the Standard Enthalpies of Formation given to solve for the AHf for C2H6. 2 C2H6 (g) + 7 O2(g) →...

A: 2C2H6(g) +7O2(g) --> 4CO2(g) + 6H2O(g)  

Q: PC13(g)+Cl2(g)ZPCI5(g)Kc=0.11 A 0.60mol sample of PC13 and a 0.70mol sample of Cl2(g) are placed in ...

A: Here equilibrium will be established as  PCl3 + Cl2 <=======> PCl5 .  At equilibrium we have 0...

Q: please explain each then give answer

A: The solution will be basic if the salt dissolved has a conjugate base derived from a weak acid.

Q: Calculate the actual dissolve oxygen (DO) at a downstream location of 1500 m in a river from a waste...

A: We have find out actual dissolve oxygen.

Q: the reaction mechanism to form the following metal hydrides from their starting materials. Op;WH2 b)...

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Q: Given that 4NH3 + 5024NO+ 6H2O, if1.92 X 10 molecules NH were made to react with an excess of oxygen...

A: Given,  4NH3 + 5O2 ➝ 4NO + 6H2O Number of molecules of NH3 react = 1.92 × 1021 molecules Excess reac...

Q: Use the half-reaction method to balance the redox reaction below.  Ce4+ + Sn2+ → Ce+ + Sn4+

A: The half-reaction method is a method to balance redox reactions. It involves breaking the overall eq...

Q: Explain the effect of molecular weight concentration on the refractive indexs e 9:50

A: The refractive index depends on the molecular weight of the polymer at its small values. See the lin...

Q: Consider the reaction: 2NaCl + CACO3 Na2CO3 + CaCl2 Write the equilibrium expression for this reacti...

A: Here we have to consider the states of reactant and product whether they are solid , liquid , gas , ...

Q: Applying Le Châtelier's Principle 12 of 22 N Review | Constants | Periodic Table Consider the follo...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...