What is the answer for the following calculation to the correct number of significant figures? 3.1997 * 4.299x 10-8

Q: volume of 0.250 mol/L solution that can be made from 31.0 g of C2H2O4 • 2H2O(s)

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Q: Calculate Ecell (volts) for the galvanic cell containing the reaction shown below where the…

A: Given: concentration of the ion at the anode is 0.793 M concentration of the ion at the cathode is…

Q: identify a molecule from the table above with a N-N single bond. identify a molecule with a N-N…

A: Given that, the molecules are CH4, CO2, H2CO, HCN, NH3, H2O, C2H4, C2H2, N2, N2H4, O2, and H2O2. We…

Q: When the chemical equilibrium expression is written, coefficients from the equation for the reaction…

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Q: calculate the amount of sodium chloride required to prepare 40mL of a concentrated solutionso that…

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Q: pls solve this ques needed urgently will give you many upvotes

A: What is the pH of 10mL aliquot of toluic acid.

Q: A. Mg(s) + 2 HCI (aq) > H,(g) + MgCl,(aq) AHA = B. MgO(s) + 2HCI (aq) → H,O(1) + MgCl,(aq) AH; =

A: Given that ∆H°f Of H2(g),Mg(s),MgCl2(aq) and  HCl(aq) are O,O,-796.9,and -167.2KJ/mole, Therefore…

Q: Al chan 4. A book held 1 meter above the floor has potential energy. The book is dropped and hits…

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Q: pls

A: Given data :- Propane is burnt with oxygen.

Q: Problem 9.13 Write the mechanism of the acid-catalyzed reaction_of methanol with cyclo- hexanone to…

A: -> alcohol has nucleophilic character hence it can give nucleophilic addition reaction to…

Q: A coordination compound of ruthenium, [Ru(NH3)4Cl2]Cl, has shown some activity against leukemia in…

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Q: lactic

A: E is correct

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Q: half-reaction standard reduction pote Br,(1)+2e + 2 Br (aq) +1.065 V %3D (red NO, (aq)+4 H"(aq)+3e ¯…

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Q: Write 2-3 sentences describing what happens to a uranium nucleus during nuclear fission

A: Write 2-3 sentences describing what happens to a uranium nucleus during nuclear fission.

Q: Use this information 2H(aq) → H(g) ΔH = -305.6 kJ/mol Zn(s) + 2Cl(aq) → ZnCl(aq) ΔH = -451.1 kJ/mol…

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Q: Practice Exercise What is the pH of a solution containing 0.30 M HCOOH and 0.52 M HCOOK? Compare…

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Q: 3. A solution of NaCl in water has a concentration of 12g/L. a) Express this concentration as a % by…

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Q: What types of carbon atoms can be found in 2,2-dimethylbutane? a.Primary and quarternary b.Primary,…

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Q: 4.28 Identify which C-H bonds are axial and which are equatorial in the following Newman projection…

A: Given structure is :  Identify which C-H bonds are axial and which are equatorial in the following…

Q: Predict the major organic product for the following reaction. Be sure your answer accounts for…

A: In this question we have to tell the product of the reaction.

Q: O ELECTROCHEMISTRY Designing a galvanic cell from two half-reactions OODV3 A chemist designs a…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: A buffer solution of HCN/NaCN has a pH = 10. Knowing that this solution contains a concentration of…

A: First we would Calculate Concentration of NaCN using Henderson Hasselbalch equation and given pH,…

Q: Carry out the following conversions:  (d) 1.955 m3 to yd3 (e) $3.99/lb to dollars per kg, (f) 8.75…

A: Given,  (d) 1.955 m3 to yd3 (e) $3.99/lb to dollars per kg, (f) 8.75 lb/ft3 to g/mL.

Q: Emission of which particle below will decrease the mass number by 1, but have no affect on the…

A: Nuclear reaction: The given reaction is a nuclear reaction. In the nuclear reaction, one nuclide is…

Q: Naming the compound when in trans and cis conformation please explain

A: In this question we have to tell the name of the compound.

Q: 12. Calculate the amount of heat needed to warm 24.6kg of water from a room temperature of 20.0C to…

A: Mass of water = 24.6 kg  Initial temperature = 20.0 °C  Final temperature = 60.0 °C  Heat needed to…

Q: ng Mechanisms: Two of the following mechanisms are wrong. Ci that are wrong from the letters listed…

A: Let jus discuss the wrong mechanism and try to correct them.

Q: Part A What is the boling point in "C of each of the solutions below? For water, K, -0.51("C kg)…

A: We can solve a given problem by using the equation ∆Tb= i×Kb×m Where  ∆Tb= increase in the boiling…

Q: Identify the conjugate acid in the following chemical reaction? NH3 + HCO,- NHA+ CO,2 1) None of…

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Q: The distance from Miami to Orlando is 235.0 mi. What is the distance in micrometers?

A: Given  Distance between  city  235 .0 mi

Q: Predict the outcome of the following reactions and explain the reason briefly.

A: In this question, we will draw the products which is produces after the reaction of given starting…

Q: 3D 3D 1. %3D + 28% I 9:19 PM Thu May 12 Done + Question 27 of 30 Draw the product of the reaction…

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Q: Calculate Ecell (volts) for the galvanic cell containing the reaction shown below where the…

A: Ecell can be calculated using nernest equation.  For this first we write reduction and oxidation…

Q: What is the electron configuration of C (carbon)?

A: Electronic configuration: Electronic configuration can be define as the arrangement of electrons…

Q: In the experiment Analysis of Chloride by precipitation, a 0.4500 g sample of impure potassium…

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Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (9)…

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Q: Chemical or physical processes that can proceed in both the forward and reverse directions are…

A: Chemical or physical processes can be divided into two types  Irreversible process Reversible…

Q: 4 Assign formal charges to all appropriate atoms in the following Lewis Structures (All relevant…

A: Since you have asked multiple questions, we will solve the first question for you as per our…

Q: 6. Determine the values of K. that correspond to the following values of Kp a) SO2C1,(g) b) 2NO2(g)…

A: Kp for the different reaction is given and Kc is determined by the reaction:  Kp = Kc(RT)∆ng

Q: what is the pH of 5.6 x 10^-4M HCl

A: Hydronium ion concentration is an important parameter of an aqueous solution. The concentration of…

Q: Why is albumin present in pathological urine? What does the presence of albumin indicate?

A: Answer is given below

Q: Cyclohexanone do not produce isomeric oximes but cyclohexane does produces 2 stereoisomeric oximes.…

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Q: Draw structures (these may be either skeletal or displayed formulae) for the following molecules:…

A: (a) 2-methylbutanal-     Longest carbon atom chain should have 4 carbon (but-) and Methyl is…

Q: A solution of sodium hydroxide has a density of 1.14 g/mL and contains 32.8% sodium hydroxide by…

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Q: proper name of this compound

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Q: A sample of magnetite  (impure Fe3O4) weighing 0.4500 g is fused with oxidizing flux and the ferric…

A: Magnetite is an ore of Fe with the formula Fe3O4.

Q: Kevlar is held together by a series of __________ linkages. a. ester b. amine c. cis-alkene d.…

A: The correct answer is given below

Q: What is the wavelength of a wave that has a frequency of 6.1 · 10° Hz? Remember that c 2.998 10 m/s.…

A: Wavelength is inversely proportional to the frequency

Q: 10.How does the heat of fusion of water compare to the heats of fusion of other similar substance…

A: Heat of fusion is directly proportional to intermolecular forces.

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.