Classify each of the following as manter or energy (nonmatter), a. Air b. Pizza c. Sound d. Gold

Q: Question 16 What type of reaction involves the transfer of electrons between two species? O…

A: Given are four types of reactions.Neutralization reaction.Acid/base reaction.Combustion…

Q: A protein subunit from an enzyme is part of a research study and needs to be characterized. A total…

A: Given data is as follows:The mass protein = 0.170g The volume of solution = 2.00 mL = 0.002 LThe…

Q: NO₂ Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone…

A: Given NO2- . Draw the Lewis structure.

Q: Which of the following weak acids when paired with its conjugate base would be the best choice for a…

A: The objective of the question is to identify the best weak acid-conjugate base pair for a buffer…

Q: Draw the starting epoxide that would form the product shown below. Use a dash or wedge bond to…

A: The objective of the question is to find the epoxide reactant molecule that gives the given product.…

Q: Choose the solvent below that would show the smallest amount of freezing point depression when used…

A:

Q: The following figure is a representation of: 0₂ H₂ tap Stopcock closed O mean free path Effusion…

A: 1) Stopcock closed2) Stopcock open3) Some time after Stopcock openedThis is a phenomenon of oxygen…

Q: How long will it take for the concentration of A to decrease from 1.25 M to 0.325 for the second…

A:

Q: A certain substance has a heat of vaporization of 61.92 kj/mol. At what Kelvin temperature will the…

A: Answer:-This question is answered by using the simple concept of calculation of temperature using…

Q: Convert the following measurement. 7 9.7 × 10 mol 2 • kg m mol gcm 2

A: To convert one unit into another unit, use the conversion factor. This conversion factor cancels out…

Q: action below has an equilibrium constant of K = 2.2 x 106 K. 2 COF2 (g) = CO2(g) + CF4 (9) ▼ ▼ Part…

A:

Q: Which of the following is a step in radical reactions? Answers: initiation propagation termination…

A: There are three steps involved in the radical reactions:1) Initiation2) Propagation and 3)…

Q: A gas has a Henry's law constant of 7.80 x 10-4 M/atm at 15.5 °C. What volume of solution is needed…

A:

Q: 2. The central iodine atom in IFs has unbonded electron pairs and bonded electron pairs in its…

A: From given question there is need to find unbonded electron pairs, bonded electron pairs and formal…

Q: Zn 1.0 M O a) +1.10 V Volts 1.0M Zn(NO3)2 1.0M Ni(NO3)2 Ob) +0.42 V O c) 0.00 V At equilibrium, the…

A: Answer:-This question is answered by using the simple concept of calculation of standard cell…

Q: Draw the major product of this reaction. Ignore inorganic byproducts. 1. NaBH4 2. H3O+ Drawing Q 4

A: From given question there is need to determine product when ketone react with NaBH4

Q: at is the purpose of pouring a volumetric solition into a beaker before taking a sample from the…

A: Pouring a volumetric solution into a beaker before sampling is crucial for achieving homogeneity

Q: S Enter your answer in the provided box. Po, if The equilibrium constant Kp for the reaction is 193…

A: The given equation is 2NO2 (g) 2 NO(g) + O2 (g) PNO2 = 0.249 atm PNO = 0.645 atmKp= 193

Q: How many compounds would a combinatorial library contain based on the compounds below? (Every…

A: Given:In combinatorial chemistry, a combinatorial library is a collection of different compounds…

Q: What is the strongest intermolecular force possible between molecules of the following structure? O…

A: The structure of the molecule is given below:

Q: 6. [OH-] = 0.00027 M, what is the pOH? 7. [OH-] = 0.0000058 M, what is the pH?

A:

Q: What is the IUPAC name of the following compound? Но О

A: Given,The molecule is:

Q: Draw the Lewis Bond-line Structure for the following molecules. (These are not correct unless you…

A:

Q: S (rhombic) + O2 (g) ®SO2 (g) DrH\deg = -294.1kJ S (monoclinic) + O2 (g) ⓇSO 2 (g) DrH\deg =…

A: Given thermochemical equations are 1)S(rhombic)+ O2 (g) --> SO2 (g) ; ΔH°…

Q: calculate the molar mass of the polymer. Take the density of the solution to be 0.886 g cm

A: Organic solvent  tetrahydrofuran (C4H8O) The osmotic pressure () can be calculated from the…

Q: Here are sketches of four electron orbitals: A Are any of them s orbitals? List the s orbitals, if…

A: We have been asked to identify the different types of orbitals.

Q: OH

A: We have been given cyclohexane and we have to synthesize the asked product. We can synthesize it by…

Q: 1) Complete the following conversions. a. b. o Br OH ZI CH₂N(CH3)2

A: These types of questions can be solved if we have a good knowledge of reagents and their working.

Q: Answer the following problems and explain your answers for better understanding. Draw structural…

A: Given is organic reaction.The given reaction is alcohol dehydration reaction.Alcohol gives alkene on…

Q: Calculate the linear momentum of photons of wavelength 350nm. At what speed would a H₂ molecule need…

A: We know the debroglie hypothesis that  p is the linear momentum associated with wavelength lamda.

Q: The temperature in the stratosphere is -26.0 °C. Calculate the root-mean-square speeds of N₂, O₂ and…

A: Temperature = -26.0 0CWe need to calculate the root mean square speed of N2,O2 and O3 molecules.

Q: 1. Properties of gases Determine the molecular mass M , specific gas constant R, mass-specific…

A: In the given question we have to calculate the molecular mass, specific gas constant, and…

Q: Canvas X Question 49 Å What information is conveyed by the "m" in 99mTc? O There are multiple…

A: Meta stable element is the element that has more stable excited state rather than ground state.

Q: a. 3. Which of the following is not a valid resonance structure for the following molecule? b. N C.…

A:

Q: One of the buffers that you need to make requires 150 mM Tris (pH 8), 250 mM sodium chloride (NaCl)…

A: We have to prepare a buffer using Tris, sodium chloride (NaCl), and dithiothreitol (DTT). Required…

Q: CI CI + En Br HO

A: We have been given different starting materials and we have to synthesize the asked products. Since…

Q: Which of the chemicales used in Paper Chromatography of Metal Ions experiment have hazards…

A: Note- You have posted multiple questions but according to guidelines I am answering only the first…

Q: 1) The lower the detection limit of a particular analyical method, the more sensitive the method.…

A: The objective of the question is to explain how the lower detection limit of an analytical method,…

Q: INTRODUCTION A Lab Data LABORATORY SIMULATION Reevaluate your calculations. Volume sodium carbonate…

A: Volume of sodium carbonate(Na2CO3) = 98.0 mLMolarity of Na2CO3 = 0.10 MVolume of calcium…

Q: 10.pH = 4.6, what is the [H+]? 11.pH = 12.2, what is the [H+]? 12.pH = 10.8, what is the [OH-]?

A:

Q: What is the chemical symbol for potassium OK O Po OP O Pt O Au

A:

Q: what happens when you add h2o to BH3/THF(H2O2,OH) Will I get an alcohol?

A: In the question asked where from acetylene we have to prepare the asked product. We can see that…

Q: A 1.227 g sample contains only vitamin C (CH₂O) and sucralose (C₁2H₁9Cl3 Og). When the sample is…

A: mass of sample = 1.227 gmolar mass of vitamin C = 176.12 g/molmolar mass of sucralose = 397.63…

Q: Calculate the starting concentration of your unknown acid solution.CExplain why the pH at the…

A: The given titration plot has only one equivalence point with NaOH. It has only one acidic proton  HA…

Q: Identify the products of the 1,2-addition for the following reaction.

A: In 1,2-addition, only one of the double bonds reacts with the reagent.

Q: Rate = k[A]m[B]n [A] (M) [B] (M) Rate (M/s) 0.100 Given the rate law and table below, what are the…

A: Rate law is a mathematical expression that gives the relation between the rate of the reaction and…

Q: Convert 25°C to Fahrenheit and Kelvin. it online! °F K °C (°F-32)(5/9) and K = °C +273.15 OR convert

A: The objective of this question is to convert a temperature given in Celsius (°C) to Fahrenheit (°F)…

Q: Time to purify biochemisfunase! To do this, you’ll need to make MORE buffers. One of the buffers…

A: The molarity of a substance is a method of representing the number of moles of a substance present…

Q: On the following four molecules number them from 1 to 4, where one is the compound in the lowest…

A: We have to find the Oxidation state of the given compounds and after finding O.S we can tell which…

Q: a) Write the IUPAC substitutive name of this compound b) Is this the most stable conformation of…

A: The rules for writing IUPAC nomenclature for organic compounds are as follows: 1) Select the parent…