Q: identity it each of the statements below about is True or False. Then justify your choice for False…
A: Oxidation means lose of an electrons whereas reduction means gain of an electrons.
Q: 2. Calculate the amount of energy (in kJ) needed to heat 100 g of H₂O(l) from 0°C to 210°C. The…
A: Given, The amount of heat needed to change 100g. of water from 0 °C to 210 °C is:
Q: Griven 2 half cells Reduction half Reaction | Reducitur potentialu) Cu2+ caa) +26 C4 (5) Ni (aq) +…
A:
Q: The chemical shift of signed proton H at 500MHz was 5ppm. Show the coupling pattern using graphical…
A:
Q: Which structure of SCO¹ is the most stable? 1. :0=C=S: II. :O-CES: III. :o=c-s: BIL Ô) II. D) II.…
A: we have to select the most stable structure
Q: Consider a buffer made by dissolving 0.140 mol cyanic acid, HCNO, and 0.11 mol potassium cyanate,…
A:
Q: 2. Joey was tasked to ensure that an enzyme responsible for keeping his species from extinction…
A: The solutions are given below -
Q: c. The concentrations of products will not change because the forward and reverse rates are equal.…
A: The rate of a reaction is the ratio between change in concentration with respect to time. It can be…
Q: Write the complete IUPAC name of the molecule
A: The naming of an organic compound can be done with help of rules of international union of pure and…
Q: (1.3)(Question 42 on page 40) Which of the following represent(s)' homogeneous mixture'? (b) (c) O…
A: In a mixture in where the components of that particular mixture are uniformly distributed throughout…
Q: A lake water sample was analyzed. During analysis of dissolved oxygen using Winkler's method,…
A: To survive aquatic life they need oxygen . The source of oxygen for aquatic life is dissolve oxygen.…
Q: NAMING OF ALKANES AND ALKYNES
A: For iupac naming select the longest hydrocarbon chain containing all functional groups and double…
Q: The reaction between carbon and carbon dioxide occurs in accordance to the reaction below: C(s) +…
A: Kc= 0.325 mol/L Refer the below attached image for detailed explanation.
Q: A cell is prepared by dipping a copper rod in 0.01 M CuSO4 solution and zinc rod in 0.02 M of ZnSO4…
A: Given : E°Zn+2/Zn = -0.76 V E°Cu+2/Cu = 0.34 V [CuSO4] = 0.01 M [ZnSO4] = 0.02 M
Q: A 3.5 cm perimeter tube was used in the test of an unknown sugar with the observed rotation of…
A: We have been given the observed optical rotation of sample and the specific rotation and the path…
Q: Consider a buffer made by dissolving 0.140 mol cyanic acid, HCNO, and 0.11 mol potassium cyanate,…
A:
Q: OTS A с NaCN Na CN ONa B TSO-CN D
A:
Q: Write the chemical formula and indicate the physical state of the barium chromate (aq) + products.…
A: Write the chemical formula and physical state of the given reactant -->
Q: 7. For each of the following reactions Write the oxidation and reduction half reactions Determine…
A: Oxidation involves loss of electrons whereas reduction involves gain of electrons.
Q: IR Spectrum (liquid film) 4000 100 80 60 40 20 % of base peak 3000 58 72 80 40 13C NMR Spectrum…
A: Given mass spectrum data : Molecular formula = C6H16N2 Degree of unsaturation = C-(H/2)+(N/2)+1 =…
Q: Consider the reaction: NH4Cl (s) → NH3 (g) + HCl (g) ArS 94.6 J K-¹mol-¹ A,H= 175.98 kJ/mol a)…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: The structure below is an intermediate in a reaction. Draw all reasonable resonance structures for…
A: We have to draw all the reasonable resonance structure of the given intermediate.
Q: What is the molarity (M) of a 2.0% (w/v) NaCl solution?
A:
Q: Hello, thank you for your urgent answer. I just want to ask some favor to convert your answers into…
A: The equilibrium constant Kc is the ratio of equilibrium concentration of product over the…
Q: 1. A 0.0450 M Ca(X), has a pH of 11.079. CaX₂ is composed of a Cacation and an unknown anion X,…
A:
Q: My gold ring looks dull. I asked the goldsmith to make it shine and new again. The goldsmith will do…
A: Electroplating is a process of depositing a metal into the surface of a different metal. During…
Q: resistance management should start before resistance happens. true
A: The substances that are used for controlling pests are known as pesticides.
Q: Temperature (°C) Question 21 The graph below shows the heating curve for a sample of water in an…
A:
Q: Hi thank you, may I please ask why Temperature is 273 + 80 because I thought G nought is under…
A:
Q: Reactions in voltaic cells are spontaneous, redox reactions non-spontaneous, redox reactions O…
A:
Q: (3.10: Similar to Example 3.17 & 18)Find the empirical formula of a compound containing 36.86%…
A: Given, The mass percent of Nitrogen = 36.86% mass percent of Oxygen = 63.14 % The…
Q: B. What are the effects of adding elements (Ni. Cr, Si and S) on steel?
A: Here we have to explain the effect of addition of Ni,Cr, Si and S on steel.
Q: Consider the equilibrium, A + 2B C. At equilibrium, the following concentrations are measured: [A]…
A:
Q: Q12: 50 ml buffer solution contain 0.15 M formic acid HCOOH,ka = 1.810-4, and 0.1 M soduim format…
A:
Q: 2. Why does entropy increase during a spontaneous process? A. Entropy increases because energy…
A:
Q: yl ether and sodium metal I alcohol and chromic acid tion of methyl salicylate with NaOH
A: Organic compounds can be defined as the compounds that contain carbon and hydrogen atoms in a…
Q: Prepare butanenitrile from the appropriate alkyl halide.
A:
Q: An element has an atomic number of 13. When the element reacts to form an ionic compound, its…
A:
Q: 1. Using Hess's Law, calculate AH for this reaction: (T: 4) 2H3BO3(aq) →→→ B₂O3(s) + 3H₂O(l) (1)…
A:
Q: Consider the molecule shown below. One part of the molecule is missing (shown as a question mark).…
A: The valancy of the oxygen atom is two. Hence oxygen atom forms two covalent bonds.
Q: Consider the following ion: BrO3 − . a) Show the full electron configuration for Br. b) Draw the…
A:
Q: An aqueous solution has hydronium concentration [H3O+] = 9.8 x 10-5 mol L-1. What is the pH of the…
A:
Q: Problem Solving: A mass of 10.1500 g of aspirin (MW = 180.16) was synthesized in the lab by the…
A:
Q: A gas mixture of total pressure 56 kPa consisting of 1 part NH3 to 1 part HCl was obtained in the…
A: Partial pressure of NH3= 28 KPa and Partial pressure of HCl= 28 KPa Refer the below attached…
Q: Which equilibrium system will show an increase in product formation when the volume is decreased? A.…
A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration…
Q: (3.7)Classify each of the following as an atomic element, molecular element, molecular compound, or…
A:
Q: e⋅ CH3 -CH ₂ -CH ₂ -COOH
A:
Q: What is the molarity of the solution produced when 159 g of NaCl is dissolved in sufficient water to…
A: Here we are required to find the Molarity of NaCl
Q: 1.58g of magnesium hydrogencarbonate was added to a 1.68 mol/L solution of acetic acid, CH3COOH in…
A:
Q: (3.9: Similar to For More Practice 3.15) To find the mass of potassium in 5.6 g potassium hydroxide…
A:
Propose a structure for the 1H NMR below and assign the peaks in the proposed structure.
Step by step
Solved in 3 steps with 4 images
- 77 K to FK = C + 273 C = 5/9 (F-32)(0.0050 x 28000.0) + (2819 × 15) Express your answer to the appropriate number of significant digits. να ΑΣφ ? (0.0050 x 28000.0) + (2819 × 15) = Submit Previous Answers Request Answer X Incorrect; Try Again; One attempt remaining Part D 861 x [1255 – (3.65 x 101)] Express your answer to the appropriate number of significant digits. ? 861 x [1255 – (3.65 x 101)] = Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining=1.602x 10-19 C m- 9.11x 10-31kg h= 6.626x 10^-34 Js, c= 3x 10*8 m/s, so- 8.85x10-12 F/m k=1,02x10-238J/KAvogadrOs rumber = 6.023x10126. kT= 0.0259 eV (3t T=300K) Determine the probability of state being occupled by an electron at (EF-0.04). assume T= 300 K 23% O 10% O 17.5% O 15.5% O E In a oarallel-plate diode, the anode is at 240V with rescect to the cathode
- Use the References to access important values if needed for this question. Two-Step Algebra a =b+ cd lne In order to solve the equation above for d, you must: Step One Add the same expression to each side of the equation to leave the term that includes the variable by itself on the right-hand side of the expression: -b ta =-bv +b+ cd Ine Step Two Multiply both sides of the equation by the same expression: x(a - b) = xcd Ine The resulting equation is: d = SubmitConsider the reaction described by the equation C₂H₂Br₂ (aq) + 31¯¯(aq) · C₂H₂(g) + 2 Br¯(aq) + I₂ (aq) The rate law is rate = k[C₂H₂Br₂][I] where k = 0.00475 M-¹. s-¹. S What are the missing entries in the table? Run [C₂H₂Br₂lo (M) [Ilo (M) 1 0.249 2 3 X 0.249 0.249 y 0.249 Initial rate of formation of C₂H₂ (M-s¯¹) 0.00118 0.000589 ZThe radioactive element carbon 14 Has a 1/2 life of 5750 years a scientist determined that the bones from a mastodon had lost 51.9% of their carbon 14 .how old were the bones at the time they were discovered? Round to the nearest integer
- 2. The following eight structures are all isomers of C6H14O. Each structure corresponds to one of the predicted ¹H NMR spectra pictured on the next two pages of this document. The integral values for each peak are next to that peak. Indicate which structure matches each spectrum by drawing the structures in the boxes along the right side of the pages. Use the letter codes provided to label the chemically equivalent hydrogens on the structures. One example is provided. Xor A 2H 1H <- A 4H -3₂₂ OH B 2H tot 2 PPM PPM -N 2 PPM N- -~ B 12H DE C 2H 2H 1H B 4H 6H ха по мон F 6H B B B wa .ull Asiacel| 10 N 141 N O A box with a volume (V=0.05 m³) lies at the bottom of a lake whose water has a density of (1*10³ kg/m³). How much force is required to lift the box, .if the mass of the box is (1000 kg) 9319.5 N O 9313.9 N O 9391.5 N O 9315.9 N O A future rectangular ship filled with oil. If the dimensions of the ship are (250 m) long, (80 m) wide, and (80 m) high. Determine how far the bottom of the ship is below the sea level? (Consider the total mass of the ship with the oil is (10.2*108 kg), and the .sea density is (1024 kg/m³))Palladium (Pd) is an element with properties similar to those of platinum. It is useful in eliminating harmful emission produce by internal combustion engines. Two students were given identical cylindrical “palladium” bars with the following data: Mass = 96.03 g; Length = 10.7 cm; Diameter = 9.82 mm; Density = 12.02 gcm-3 Show the calculations that Student K and S would do if: I) Student K was asked to determine whether his bar was made of pure palladium. II) Student S was asked to calculate the grams of ethyl alcohol (d = 0.789 gcm-3) his bar would displace.
- 4/3 pie * (0.0576/2)^3=0.00010061=1.00=1.00x2.20/60.02=0.036654449*60.09=2.202565811=2.2E-18 ? is this even right? i've been struggling with this problem for hours.The eV is 4.17x10^-19 J. It is also in the image below.Many chemistry problems result in equations of the form x² (0.329 - x) When this equation is solved, the two values of the unknown x are 1.66 x 10-2 = and