he initial concentration or

Q: 7. In an atom, the charge of the dense fraction is similar to that of alpha particles.

A: The answer is as follows:  

Q: Give systematic names for the following compounds C D and E only

A:

Q: When excess dilute hydrochloric acid is added to a mixture of calcium oxide and magnesium oxide. A h...

A: The name of the two salt produced are Calcium chloride and Magnesium chloride.

Q: write the electronic configuration of born whose atomic number is 5 and mass number 11.

A: Given,  born whose atomic number is 5 and mass number 11.  Atomic symbol = B 

Q: Which of the following statements is NOT true about Fermi Resonance? O t results from coupling of a ...

A: A multiple choice question based IR spectroscopy that is to be accomplished.

Q: How many conjugated electrons does methyl vinyl ketone have?

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Q: Determine the statements if it is positive or negative base on the chemical structure in the picture...

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Q: What makes chlorosulfonic acid a good electrophile?

A: The compound given is chlorosulfonic acid i.e HSO3Cl.    

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Q: A solution for disinfecting clinical thermometers was prepared by dissolving 22.5 g of ethyl alcohol...

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Q: 7. Calcium chloride, is added to a canned vegetables to maintain the vegetable's firmness. When adde...

A:

Q: Given the spectra, 100 95 90 80 70 4000 3000 2000 1000 Wavenumbers (cm) O Toluene 4-Heptanone Pentan...

A:

Q: write the electronic congratulations of calcium whose atomic number is 20 and mass number is 40.

A: Given,  calcium whose, atomic number is 20 and mass number is 40. 

Q: LOME ,个 OMe ÇN

A:

Q: Mn+4 + H2S -> Mn2+ + S0 + H+     Which element is reduced? H2S + O2 -> S8 + H2O       Which element...

A: Oxidation reduction reaction (Redox reaction) Its a chemical reaction that involve simultaneously re...

Q: 8. Since all of the components of this rea written as a Kp value. The equation to the gas constant (...

A: Given : Note: Since Kc has been calculated in question 7. I am assuming it to be correct. We have to...

Q: Which of the following solutions requires the least effort (the lowest pressure exerted externally) ...

A: concentration dependence of reverse osmosis

Q: caffeine contains 49.48 C,5.10%, H, and 28.85% N, (assume the rest is oxygen) What is caffeine's emp...

A: In chemistry, the empirical formula of a chemical compound is the simplest whole number ratio of ato...

Q: 2. Predict whether the following pairs of liquids would be miscible or immiscible: a. Water and meth...

A: According to like dissolve like concept polar solvents dissolve in polar solvents and non polar solv...

Q: 3.32 Balance the following equations and then write the net ionic equation. (a) (NH,),CO;(aq) + Cu(N...

A: Since you have posted question with multiple subparts as per guidelines we can answer three per ques...

Q: The density of mercury is 13.6 g/cm³. What us the mass of 6.50³ of mercury?

A: Given, density of mercury = 13.6g/cm3 volume of mercury = 6.50 cm3 mass = to be find out

Q: Which is true regarding the Rb-Cl bond in the compound RBCI O it is lonic O t is polar covalent it i...

A:

Q: 5. For the reaction, 2N2O5 (g) 4 NO2 (g) + 02 (g), the rate of formation of N02 (g) is 4.0 x 10 mol ...

A:  

Q: Ehylene oxide, C2H4O, decomposes when heated to give methane and carbon monoxide.   C2H4O(g)  →  C...

A: Given , reaction : C2H4O(g) → CH4(g) +CO(g) Temperature , T = 688 k

Q: What is the wavelength of an electron moving at a velocity of 0.59*c where c is the speed of light? ...

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Q: Question 9 Each subsatnce absorbs or emit unoque level & quantities of energy/ e.m.r. O True O False

A:

Q: Which of the following phosphate salts are insoluble in water? A. (NH4)3PO4 B. Li3Po4 C.Na3PO4 D...

A: Given : We have to tell which one is insoluble in water.

Q: Show complete calculations for the pH of a 0.125M solution of acetic acid. The K, for acetic acid is...

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Q: Rank the alkyl halides in the following group in order of increasing SN2 reactivity. Br А: Br В: С: ...

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Q: O CE C - C=C - C-C

A: In this question we have to explain the trends is arrangement in increasing wave number from left to...

Q: Calculate the molar mass (g/mol) of a strong electrolyte (i = 2.16) where 40.87 g of the compound is...

A:

Q: O. An acrobat swings from a trapeze with a frequency of 0.5 Hz. What is the length of the trapeze ca...

A: Given : Frequency = 0.5Hz

Q: 14.46 Draw structural formulas for the products of the following hydrolysis reactions: OCH,CH, OCH,C...

A:

Q: nitric

A:

Q: P. QUESTION 22 Which is true regarding the F-F bond in the compound F2? O it is ionic it is polar co...

A: Given, The F-F bond in the molecule F2 is:

Q: Name 33 common elements and their predominant species in the environment

A:

Q: Select the functional group that is present in the following molecule (select best answer). O Alkene...

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Q: What is the molarity of a solution of H2SO4  if 25 mL of this solution requires 32.15 mL of a 0.600 ...

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Q: HO Но H- H -HO- 1.) HO. + Resorcinol/dilute HCl

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Q: The enthalpy of vaporization of Substance X is 10.0 kJ and its normal boiling point is 110. °C. Calc...

A: Given: Normal boiling point of substance = 110 oC Vapoure pressure of substance at 33.0 oC is to be ...

Q: 3 Si + 2 N2 → Si3N4  When 21.44 moles of Si reacts with 17.62 moles of N2, how many grams of Si3N4 a...

A:

Q: Identify each as weak or strong electrolyte. Nitrous acid In solution acid is written? Hydrosulfuric...

A: Weak electrolyte:  A substance that partially dissociates into its ions during the solvation process...

Q: Perform this mathematical operation: (2.568x5.8)/4.186 1. Which has the fewest number of significan...

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Q: Using the figure below, which points show an equilibrium? 1 atm liquid phase soid phase gas phase AT...

A: At the equilibrium point, the rate of the forward abd backward reaction will be equal. 

Q: Consider the following reaction where K, = 0.497 at 500 K. PCI5(g) PCI3(g) + Cl2(g) If the three gas...

A: The equilibrium reaction given is, => PCl5 (g) ↔ PCl3 (g) + Cl2 (g) Given: Kp = 0.497  And initia...

Q: What is the molality of 30% by mass CaCl2 solution?

A: Given :- % by mass of CaCl2 = 30% To calculate :- molality of solution 

Q: In the compound below, which specific atom is most likely to get attacked by nucleophiles? Use the n...

A: Nucleophiles are electron rich compounds.

Q: 3.22 The following alkyl chloride can be prepared by addition of HCl to two dif- ferent alkenes. Nam...

A:

Q: How to calculate the chemical formula for Fe+2 and PO4-3

A: The ions given are Fe2+ and PO43-.