Oxygen-22 disintegrates into Fluorine with a decay rate of  λ = 0.315 per seconds. Considering an initial amount of Oxygen 22, which percentage of it will be left after 5.8 seconds? Keep three significant digits.

Q: A student ran the following reaction in the laboratory at 431 K: PCI 5(9) PC13(g) + Cl₂(9) When she…

A: Given, the equilibrium reaction as follows, PCl5(g) ⇌ PCl5(g)+Cl2 (g) with initial amount of PCl5…

Q: Find the molecular weight Find the percent composition of the of each element in the compound.…

A: we need to calculate the molecular weight and find the percentage composition for the given…

Q: A reaction occurs when aqueous solutions of hydrochloric acid and sodium hydroxide are combined.

A: Given : reactants name

Q: MISSED THIS? Read Section 16.8 (Pages 701-710); Watch KCV 16.8. WE 16.12 Consider the following…

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Q: A weather balloon calibrated at 0.00 °C to have a volume of 20.0 L has what volume in L at -41.7 °C…

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Q: Sol. No. 1 2 3 4 5 Volume of KI (ml) 20 18 15 12 10 [KI] K 0.195121951 0.00039 0.175609756 0.0004…

A: If we plot logK' on the Y-axis and log[KI] on the X-axis, then we will get the following plot:

Q: What measurable properties of a gas does Charles law relate?  A. Pressure, volume, temperature and…

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Q: Your answer is incorrect. How many milliliters of 0.285 M AgNO3 solution are needed to react…

A: Given -> Molarity of AgNO3 = 0.285 M  Volume of CaCl2 = 22.7 ml  Molarity of CaCl2 = 0.320 M…

Q: 1. Solve the following queries related to gravimetric analysis. Make sure to show full and complete…

A: We need to find the percentage of water using the given data. Volume of water collected =3.45 mL and…

Q: 7. + Dissolved organic matter can decompose in water under anaerobic conditions, if bacteria are…

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Q: Recently, we saw see that a carbocation can be formed from an alcohol substrate in the presence of…

A: The given structure is-

Q: Question 20 Which one of these is most likely to be soluble in water? a) acetophenone b)…

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Q: Aqueous sulfuric acid (H₂SO4) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium…

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Q: At neutral pH (pH = 7): O a. the carboxyl group exists as -COOH and the amino group exists as -NH3+…

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Q: For a certain chemical reaction, the standard Gibbs free energy of reaction is -104. kJ. Calculate…

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Q: Aqueous hydrobromic acid (HBr) will react with solid sodium hydroxide (NaOH) to produce aqueous…

A: Aqueous hydrobromic acid reacts with solid sodium hydroxide to produce aqueous sodium bromide and…

Q: 4. Calculate the pH of a solution having [H3O+] = 2.5 × 10-³. 5. If the pH of a solution is 9.8 then…

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Q: Nitrogen (N₂) gas and hydrogen (₂) gas react to form ammonia (NH3) gas. Suppose you have 13.0 mol of…

A: Given that nitrogen gas (N2) reacts with hydrogen gas (H2) to form ammonia gas (NH3). 13.0 mol of N2…

Q: species H₂PO4 HSO4 2- SO4 H₂O OH H₂PO4 HIO 3 103 relative pH of 0.1 M aqueous solution (Choose one)…

A: pH can be defined as -log [H+]. Also stronger a acid is, more H+ ion will produce and lower will be…

Q: What is the numerical value for the standard cell potential for the following reaction? 2Cr 3+(aq) +…

A: Answer:- This question is answered by using the simple concept of electrochemistry which involves…

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs…

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Q: Which of these can be reduced with LiAlH4? HO 4 с B в 20 C

A: Lithium aluminium hydride is a strong reducing agent for polar double bond             it will…

Q: The specific heat capacity of a pure substance can be found by dividing the heat needed to change…

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Q: How many moles are in 56g of K

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Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs…

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Q: The chemical formula for ammonium carbonate is: (NH4)₂CO3 How many nitrogen atoms are in each…

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Q: A -CH₂CH3 Reaction: Nitration OH B C Which compound (A, B, or C) reacts the fastest? ↑ Which…

A: To solve this problem we will use the concept of electrophilic aromatic substitution reaction .

Q: Choose a major product that will result from the dehydration reaction of the following compound. A…

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Q: Explain why free radical polymerisations are normally carried out either under nitrogen or under…

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Q: student prepared a cereal sample solution using a procedure similar to that in Lab 5.  The original…

A: The linear regression equation of the calibration curve is y = 11898x - 0.0112  where y =…

Q: Question 8 Given: AGO H₂O → NH(aq) + Cl(aq) kJ K = NH4Cl(s) with AH = 14.7 kJ and AS Determine the…

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Q: What is the concentration of a NaCl solution prepared by dissolving 88g of NaCl in enough water to…

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Q: Using the graph of successive ionization energies what element could the graph represent? AI Si P O…

A: Ionization energy is defined as the amount of energy required to remove the most loosely bound…

Q: With specific reference to Pauling’s rules of crystal chemistry, explain, with the aid of labeled…

A: Pauling rules of crystal chemistry are helpful to identify and understand different aspects of…

Q: Question 10 Given the reaction: A(g) → B(g) with AG atm = 8.94 kJ 2.22 atm A(g) is added to a 2.5 L…

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Q: How many molecules of water, H2O, are in a 1.76 gram sample of water

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Q: Explain your understanding: Use your own words and captured images from the simulation to show you…

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

Q: Choose the CORRECT Lewis structure for the molecule below. A. B. C. O A.A. O B. B OC.C O D.D -H D.

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Q: Give a clear handwritten answer with explanation....give the all possible resonance structures

A: The resonance structure of given compound can be given as:

Q: a. How many molecules of tetraphosphorus decaoxide are present in 2.02 moles of this compound?…

A: As per the mole concept,  Each mole makes up for avogadro number of molecules and vice versa. In…

Q: a) Convert 1.041 atm to mmHg. 791.16 mmHg b) Convert 628 torr to bar. 0.84 bar c) Convert 668 kPa to…

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Q: 6. a) Circle which substrate undergoes the fastest solvolysis reaction with methanol (CH3OH): CH3I…

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Q: he pH of a 0.82M solution of hypobromous acid (HBrO) is measured to be 4.36. alculate the acid…

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Q: In the laboratory you dissolve 21.6 g of copper(II) bromide in a volumetric flask and add water to a…

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Q: * Incorrect. Will strong electrolytes form from weak ones? What types of products are necessary for…

A: During an ionic reaction , ionic compounds reacts with each other in which mutual exchange of ions…

Q: Using the list of Standard Electrode Potentials (page 810), order the following by decreasing…

A: In a redox reaction, oxidizing agent is a substance that accepts electrons and get reduced. Hence…

Q: How many moles of your excess reactant are left after 54g of lithium iodide reacts with 5.0g of…

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Q: Silver tarnishes in the presence of hydrogen sulfide and oxygen because of the following reaction:…

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Q: When 5.0 g CaCl₂ is dissolved in enough water to make a 0.500 L solution, what is the molarity of…

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Q: A homogeneous mixture was prepared by mixing 0.15 g A, 112.3 g B and the 24.55 g C.  The volume is…

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Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.