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Q: How many grams of Acetic acid are needed in 10L solution .1 ?of 0.1M concentration

A: Molarity is defined as the number of moles present in 1 litre of solution. Molarity = Moles/Volume i...

Q: Use titration for the preparation of 20 mL of 2 M HCl.

A: Consider the given information is as follows; Volume of solution = 20 mL = 0.02 L Concentration of H...

Q: 13. Starting with Uranium 238, write the nuclear equations for ( ) i. Alpha Decay i. Beta Decay

A: Soddy-Fajans' Group Displacement Rule :- Two scientist Soddy and Fajans had arrived this law at the ...

Q: Express the result of each following calculation in scientific notation using the correct number of ...

A: During calculations in Chemistry, there are different type of operations, which are performed by per...

Q: A sample of carbon dioxide is contained in a 500.0500.0 mL flask at 0.9760.976 atm and 15.615.6 ∘∘C....

A: Given, Volume of the flask = 500.0 ml = 0.5 L pressure = 0.976 atm Temperature = 15.6 C° = (15.6 + 2...

Q: Element Molar mass (g/mol) F 19.00 Sr 87.62 Using the information in the table, calculate the number...

A: In this question, we want to determine the number of formula unit of SrF2 Compound.  You can see det...

Q: We need to find the methane concentration in that 25L of solution in PPM.

A: Given: Concentration of methane given = 25 µg/mL.  

Q: How many moles of carbon dioxide (MW = 44.0 g/mol) is produced when 150.0 grams of pentane (MW = 72....

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Q: Molecules that are brightly colored have a small energygap between filled and empty electronic state...

A: The colour of compounds generally arises due to the electrons transition from one energy level to an...

Q: Please show steps and answer accordingly. Thanks!

A: Given: Mass of K2SO4 dissolved = 1.04 g And mass of water = 21.29 g = 0.02129 Kg                    ...

Q: Answer in scientific notation with the appropriate number of significant figures.  For a laboratory ...

A: Using molarity equation, we will calculate the volume of the required solution.

Q: Determine the pH of a 0.20M CH3NH3I solution.

A: Given that: [CH3NH3I] = 0.20M  CH3NH3I is salt made up of weak base CH3NH2 and strong acid HI.  

Q: For the following reaction, list all expected organic and covalent products. This question does not ...

A: The given reaction goes via SN2 mechanism which is a one-step reaction that gives the product with t...

Q: The Ka of Tetrahydroquinoline (C9H11N; HA) is 1.0x10-5. Calculate the percent dissociation of a 0.1 ...

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Q: How many grams are needed to prepare 1L of 2mM .2 ?(solution of Ethyl alcohol (46g molecular mass

A: Molarity of a solution is defined as moles of solute dissolved per unit Volume of solution in Liters...

Q: 7. Draw out the chemical equations of the carbonic acid / bicarbonateequilibrium system, explain how...

A: Carbonic acid dissociates in water to give carbonate ion and hence carbonate is the conjugate base o...

Q: Draw the product of diethyl heptanedioate, base, hydrolysis and heat.

A: In this question, we want to draw the structure of final product.  You can see details Solution belo...

Q: None

A: Introduction : The reaction is known as the polymerization reaction. Polymerization of pyrrole occur...

Q: In the reaction below, 0.2 M A was mixed with 0.1 M B, and 0.2 M C. If the reaction were performed i...

A: Answer:- Firstly using the balanced equilibrium equation, reaction quotient is calculated and then c...

Q: Draw the reaction mechanism of the following reaction sequence

A: Reaction of Grignard reagent with ester: The Grignard reagent react with ester produces tertiary alc...

Q: ****THIS IS ONE FULL QUESTION WITH SUBPARTS AND NOT GRADED**** Link: https://www.jove.com/embed/play...

A: Three questions based on electrolytic cell, which is to be accomplished.

Q: Draw the step by step reaction mechanism and prerdict products(s) of the following reaction

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Q: Use the KMT THEORY-How can you put enough helium into a tank to fill 10,000 balloons, even though th...

A: Applying kinetic molecular theory of gases .

Q: 1. The following statements are true EXCEPT: a. The heat of reaction is also known as the enthalpy o...

A: As per rules only the first question can be answered: Heat of reaction = heat of formation of produc...

Q: Your pH meter was improperly calibrated and reports a pH value consistently lower by 0.002 compared ...

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Q: Calculate the number of atoms in a 4.07x 10^ 3 g sample of calcium  my answer is 2.47x 10^24 but is ...

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Q: Give the characteristic of a second-order reaction having only one reactant. The rate of the reactio...

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Q: Please help :(   Expiramental cell potential: 1.093V

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Q: What is the major product of the following reaction? HBr ? heat Br а. Ob. Br c. Br d. none of the ot...

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Q: What is the molar solubility for Mg(OH)2 if the Ksp= 2.06x10^-13 A. S=2.27x10^-7 B. S=3.72x10^-5 C. ...

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Q: What is an effective way of preventing irregular ebullition or bumping of the mixture during distill...

A: The question is based on the concept of experimental chemistry. we have to suggest an effective way ...

Q: What is the major product of the following reactions? Chiral products are racemic. Hint: Build a mod...

A: Applying concept of Diels-Alder reaction under pressure is preferably endo product is formed.

Q: a gas at 0.896 atm and 16.4 degree celsius is warmed to 28.5 degree celsius. what is the resulting t...

A: Note: Instead of resulting temperature, it should be final pressure. Pressure(P1) = 0.896 atm Temper...

Q: what is the purpose of addition of acid during the reaction

A: This question is related to addition of acid

Q: What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH =4.01?   Writ...

A: Given Ka = 1.37 × 10-4 pH = 4.01

Q: What mass of barium bromate, Ba

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Q: Give the theoretical yield, in moles, of CO2 from the reaction of 0.60 moles of C8H18 with 40.00 mol...

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Q: Vhen reading off of a calibrated instrument or glassware, the last digit reported is always an estim...

A: To determine the accurate value of the sample or the data, calibrated instruments are used. A calibr...

Q: Very large numbers should be entered in exponential notation. Any numbers obtained from the periodic...

A: Magnesium phosphate Sodium chlorate Silver Cyanide Cadmium sulfide Strontium Chlorite 

Q: Any of the questions please

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

Q: How many half-lives are required for the concentration of reactant to decrease to 3.1% of its origin...

A: We have to calculate the number of half lives required to decrease concentration to 3.1% of its orig...

Q: Question 2 4 Given the following balanced equation, determine the rate of reaction with respect to [...

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Q: Calculate the volume at equivalence point and subsequently the pAg when 25.75 mL of 0.1350MI' is tit...

A: The question is based on the concept of precipitation titrations. we have to calculate equivalence v...

Q: What is the molarity of Gd3+ in a saturated solution of Gd2(SO4)3?   (Ksp = 1.4 x 10−4 1.2 x 10−2 ...

A: Given: Ksp of Gd2(SO4)3 = 1.4 X 10-4   

Q: You try to measure volume off of a pipette as best as you can. You make sure that you keep the menis...

A: An error is something that a person have  done , and which is considered to be wrong from the correc...

Q: How many grams are needed to prepare 1L of 2mM .2 ?(solution of Ethyl alcohol (46g molecular mass

A: Molarity is one of the concentration term which is used to define the concentration of a solute in a...

Q: For each element, identify the charge of its most common ion. I +2 +3 −1 −2 +1 −3 ...

A: The atoms form ionic bonds (by exchange of electrons) or covalent bonds (by sharing of electrons) to...

Q: If an electron in hydrogen is excited to energy level 7 and drops back to energy level 3, would you ...

A: Question based on hydrogen spectrum

Q: Someone please help with this :(   Answer the following parts using the video: a. The reporter measu...

A: Given, According to the video, the reporter measure radioactivity of three materials banana, sand an...

Q: Enantioselective Synthesis   Question: Predict the two major hemiketals of (s) warfarin in weakly ac...

A: Warfarin is a class of medication is called as anticoagulant. It works by decreasing the clotting ab...