Can storing batteries in a cold place, such as a refrigerator or freezer, help prolong its life? Justify your answer.

Q: What is the molarity of K+ in a solution that contains 89.72 ppm of K3Fe(CN)6 (329.3 g/mol

A: we know that  1ppm = 1 mg/L formula for Molarity =  M = {gram of molecule/ molar mass of molecule}/V...

Q: he packing efficiency (in

A:

Q: if 1 pint of blood weigh 1lb , calculate 900ml of blood .

A: Given: Mass of 1 pint of blood = 1 lb. And volume of blood = 900 mL.  

Q: Identify the Van't Hoff Factor of BaCl2 in solution

A:

Q: Predict the major organic product of the reaction shown. Include any lone pairs of electrons and non...

A: Organic reactions are the reaction in which organic reactant react to form organic products.

Q: How many Faraday is needed to deposit 1.6 g of Calcium (Ca) from CaCl2 solution using electrolysis p...

A:

Q: Metallic iron has a body-centered cubic unit cell (see figure). How many Fe atoms are in each unit c...

A: Given, Metallic iron has a body centred cubic unit cell. Number of iron atoms are in each unit cell ...

Q: The following reaction is exothermic. Which change will shift the equilibrium to the left? 2S02(g) +...

A:

Q: Most of the titrations that have done to date require to titrate an acid with a base until we see a ...

A: Most of the titrations Requires titration of an acid with a base until it gives a pink colour with p...

Q: What is Keq for the two possible chair conformations? (cis-1,2-dimethylcyclohexane.) Explain how you...

A: Here we have to determine Keq value of two possible chair conformation cis-1,2-dimethylcyclohexane. ...

Q: Question 6 In order to measure the Cl content of a sample, it was made to react with the Ag ion, for...

A:

Q: Americium-241 is an isotope that is commonly used for household smoke detectors. Gamma radiation emi...

A:

Q: Using the templates provided, draw both chair conformations afforded to each Compound A and Compound...

A:

Q: Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of isop...

A:

Q: POST-QUESTIONS 1. After a student dissolved 0.5 g of white solid in water, she tested the conductivi...

A: The statement given by her about the experiment is correct or not is given below with explanation.

Q: In a warm environment, which restorative wax is recommended for surface restoration? a. opaque b. ...

A: In a warm environment, which restorative wax is recommended for surface restoration?

Q: Ме Ме AG = -2.7 kcal/mol Least stable chair Most stable chair In the box below, explain using Newman...

A:

Q: Physical description of prepared stock solution (Transparency, color, turbidity, etc.) (Be concise a...

A: In the given question, stock solution of L-ascorbic acid has been prepared. The concentration of the...

Q: 3. Determine the RS configurations of all the chiral centers in the following molecules. ÇOOH CH, CO...

A: Solution is given below in next step 

Q: T1,O pyridine BH в A C Cul, Pd(PPh,), Br Br Pd(PPh,) NaOEt Pd(OAC), PPh,. NEt, E D

A:

Q: Using the expresions for critical constants in terms of Van der Waals constant, calculate the value ...

A: .

Q: Spectroscopy H H co,H FOCH2CH3 CH,CHCH,CI NO2 For each of the above compounds, do the following: 1. ...

A:

Q: Die Alder readion

A:

Q: Why is anhydrous diethyl ether an important solvent to use in a grignard chemical reaction?

A: Organomagnesium compound are commonly known as Grignard reagent which are used for formation of C-C ...

Q: If 40.3 g of KCI (MM= 74.55 g/mol ) are added to a 500.0 mL volumetric flask, and water is added to ...

A: Molarity(M): The no. of moles of solute present in the one liter of the solution is called as Molari...

Q: why is transminase reaction needed during isolating ephedrine from ephedra sinica ? explain what doe...

A: Transaminase or an aminotransferase is an enzyme catalyst that catalyzes reaction between an alpha k...

Q: Problem 2. Give the conjugate acid of: (a) F- (b) ОН- (c) PO- (d) PH, (e) NO,

A:

Q: Is cis-1,2-dibromocyclohexane a meso compound?  In its planar structure, it has a line of symmetry ...

A:

Q: If 31.4g of NaOH (MM= f Fi 40.00 g/mol) are added to 500.0 mL volumetric flask, and water is added t...

A: Answer: To find out the molar concentration of NaOH, first of all we will find out its number of mol...

Q: The percentage by weight of formaldehyde in fomalin is: a. 40% b. 37% c. 12% d. 10%

A: Since there is no data given as such to calculate the percentage weight, it means that the percentag...

Q: The equilibrium constant KP is 6.0 x 1015 at 298 K for the reaction:  2H2S (g) + SO2 (g)  ⇆  3S (s) ...

A: Given reaction is : 2H2S (g) + SO2 (g)  ⇆  3S (s) + 2H2O (g)  The equilibrium constant KP = 6.0 x 10...

Q: CH3 CH2 - CH2. - CH - C HO, CH3 - CH2 - CH,

A: The drug given in the question is valproic acid.

Q: Calculate the molar concentration of isopropanol in an aqueous solution that contains 3.00 g of isop...

A: We have to predict the molar concentration .

Q: MA 1.00 12.0 14.0 15.9 22.9 28.0 30.9

A:

Q: What is the exact reaction mechanism behind this reaction? I understand how to get from BHA to the B...

A:

Q: Derive a formula for the molar Gibbs free energy change

A: In this question we have to derive a formula for the molar Gibbs free energy change of a closed syst...

Q: Toluene INFRARED SPECTRUM 0.8 0.6 0.4 0.2 3000 2000 Wavenumber (cm-1) 1000 NIST Chemistry WebBook (h...

A:

Q: The encircled one is an additional chemical entity of this drug that makes it a pro-drug, what is th...

A: A prodrug is a medication or compound that after administration/insertion is metabolized (i.e., conv...

Q: Given the balanced reaction A + 3B = 2C, calculate the entropy change of the universe if: T = 25 de...

A: Given, A + 3B = 2C Temperature (T) = 25°C = (25 + 273.15) K = 298.15 K A and B are pure gases. Stand...

Q: Oxidation number

A:

Q: Explain with appropriate chair structures why cis-decalin (ie. cis-bicycle[4.4.0]decane) is only abl...

A:

Q: Combining one atom of carbon with two atoms of oxygen produces one molecule of carbon dioxide, along...

A:

Q: I don't understand this problem! Please help! The question is: In the following balanced chemical re...

A: The chemical equation represents the possible reactants that combine to yield the products. In this ...

Q: .N. NH2 HO. CF3 CF3

A: The given incorrect reaction is :  Draw the mechanism with this new reactant(s) to obtain the desir...

Q: The bond energy in N2 is 941kj/mol. What is the longest wavelength photon that has sufficient energy...

A: We know that Energy (E) = h×c / λ  Where E = bond energy = 941 kJ/mol = 941×1000 J/mol  

Q: 1.give the Features -benefits -Advantages of a VANILLA  2.give the Features -benefits -Advantages o...

A: 1. VANILLA-  Features- The flavour of vanilla is because of the aromatic compound “vanillin” In vani...

Q: Which has lower entropy? CO2(g) or CH4(g)?

A:

Q: Sea water average density is 1.02 g/mL and it contains an average of 1.08x103 ppm of Na+ and 270 ppm...

A: Given,  Density = 1.02 g/mL  Part per million of Na+ = 1.08 x 103 ppm  Part per million of SO42- = 2...

Q: Calculate the density of metallic iron, which has a body-centered cubic unit cell (see figure) with ...

A:

Q: Which substance is the acid? Which substance is the base? Which substance is the conjugate acid? Whi...

A: