What is the effect of growing the grains in a polycrystalline metal? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Makes metal harder b makes metal softer Doesn't do anything Which strengthening mechanism affects toughness the least? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Alloying b Work hardening Grain refinement

Q: 8 cm th

A: Given that, Dimension of furnace wall,l×b×h=4×3×3 m3  Thermal conductivity of inner brick, kb=0.4 W/...

Q: asee aillar filn tetueen t plates Cai .e 3H 3H IH 2H 2H 3.5 1.0 PPM 0.5 P N Cetn 13 NMH seST >

A:

Q: Exercise 2 Consider the three sp? hybridized orbitals, 1 25 + V3 1 2s - V3 2pz +2px 1 43 = V3 1 2Px ...

A: We have the following wave functions that we will be using during our calculations: ψ1=ψ1*=132s+232p...

Q: You have a 350mL of a 1.5M NaCl solution. If boiling the water until the volume of the solution is 2...

A: Given,  Initial volume, V1 = 350 mL Initial concentration, S1 = 1.5 M Final volume, V2 = 200 mL  Fin...

Q: a) By how much should the student expect their sample measurements to increase by? Why? b) Will thei...

A: (a) In spectrophotometry, the absorbance is directly proportional to the concentration of analyte an...

Q: Give the following information for the encircled element in the molecules as shown below 1) CH3CHO C...

A: A structure is given is 2-methylethoxy ethane. i.e. CH3CH(CH3)-O-CH2CH3. We have to tell about the o...

Q: A compound that is composed of only carbon and hydrogen contains 85.7% C and 14.3% H by mass. What i...

A:

Q: 1. How many MOLES of xenon trioxide are present in 4.05 grams of this compound ? moles. 2. How many ...

A:

Q: How many bananas are in 0.10 moles of bananas?

A:

Q: A chemist makes 570.mL of zinc nitrate ZnNO32 working solution by adding distilled water to 260.m...

A:

Q: Solvent extraction is based on the relative of two liquids. odor O texture O solubilities O color

A:

Q: Visited .Tow many MOLES of sulfur dichloride are present in 1.69 grams of this compound ? moles. 2. ...

A:

Q: You were assigned by your instructor to determine the concentration of NaCl in water. You did three ...

A:

Q: 2.050 g of an unknown sample contains H, S, and O. If the compound contains 0.0500 g H and 0.800 g o...

A:

Q: 29. . Allotropes differ in which of the following properties: A. Electronegativity B. Crystal Stru...

A: According to Bartleby guideline more than one question only one question is attempt 

Q: Which is the least polar? O 1-methylbutane O 1,4-butanediol O 1-butanol O 2-pentanol

A:

Q: The following mechanisms have been proposed for this reaction: Mechanism I Step 1: N;O:(g) → NO(g) +...

A: Here by using experimental kinetics data of reaction and the possible two different mechanisms ,we h...

Q: The hardness of water (hardness count) is usually expressed in PPM (by mass) of CaCO3 which is equiv...

A:

Q: 2. Identify the following reactions as additions, eliminations, substitutions, or rearrangements: Br...

A: (1) Addition Reaction :-  The reaction in which two (or more) reactants get added and forming one si...

Q: what is the difference between organic compounds ionization and inorganic compounds ionization

A:

Q: The density of a liquid is 7.4 g/mL qnd has a mass of 22.58 g. What is the volume in mL

A: Given,  Density of the liquid = 7.4 g/mL  Mass of the liquid = 22.58 g  What is the volume of the li...

Q: atom ratio between C and H in C2H5OH? O 1/5 O 2/1 O 2/6 O 2/5

A: Given molecule ethanol (C2H5OH)

Q: How many signals would you expected in the 'H NMR of the following molecules? Br. (a) (b) (c)

A: NMR spectroscopy is a very important tool for the determination of the structure of the organic comp...

Q: Liquids and gases take the following characteristic(s) of their containers. Which is/are it? volume...

A: Generally there are three types of substances solid, liquid and gas.

Q: A 9.37 g sample of an unknown element was determined to be 0.0714 moles. What is the identity of the...

A:

Q: 4. Water is less dense as a solid than as a liquid. A. Why can solid ice float on liquid water? B. W...

A: Answer A- When water freezes into its stable form, the molecules can form extra strong hydrogen bond...

Q: How could you use 'H NMR to distinguish between the following pair of compounds? Explain your answer...

A:

Q: Temperature "C Temperature "c

A: Solution-  Fractional Distillation- In fractional distillation, “fractionating” columns are insulate...

Q: How many moles of Li are in 1.46 x 105 atoms of Li? O 412 mol O 4.12x 10° mol O 2.40 x 109 mol O 4.1...

A: We have to calculate the number of moles of Li is in 1.46×1015 atoms of Li. We know that 1 mole of a...

Q: How many grams of CH3OH must be added to water to prepare 150 mL of a solution that is 2.0 M CH3OH ?...

A:

Q: View Policies Current Attempt in Progress An unknown compound contains nickel, phosphorus, and oxyge...

A:

Q: CH.OH Lewis Structure

A: Lewis structure is defined as the diagrammatic representation of the total valence electrons present...

Q: Determine the oxidation number of the Carbon and Oxygen differently in each of the given compounds. ...

A: Oxidation number can be defined as the  number of electrons gained or lost by an atom, It is also kn...

Q: The solute in the liquid mixture can be separated from the liquid solvent. O Gas-liquid extraction S...

A: We have to tell, how one can separate the solute in the liquid mixture from the liquid solvent. Now,...

Q: Current Attempt in Progress A 2.05 g sample of an unknown compound contains H, S, and O. If the comp...

A:

Q: 3. Water has the properties of Adhesion and Cohesion. A. How many hydrogen bonds can a single water ...

A:                                               Answer c :  Alcohol molecules spills over the surface ...

Q: A solution of potassium permanganate of unknown concentration was analyzed against a standard of var...

A: The absorbance of the potassium per magnet solution depends on the concentration of the solution. If...

Q: Complete the table below for calculating the molar mass of the compound nitrogen dioxide. Molar mass...

A: Molar mass of a molecule is equal to sum of atomic masses of all elements present in that molecule. 

Q: Give the number of peaks expected in the 'H NMR for the indicated protons in each of the following s...

A:

Q: Determine the heat transfer during this process.

A: Energy transferred per kg = 47800 kJ Now, Moles of C7H14 undergoing oxidation = 1 mol Mass of C7H14 ...

Q: Diphenhydramine is known to produce CNS depression as side effects. It is due to. . a) Excessive pro...

A: Diphenhydramine is an antihistamine used for the treatment of allergies, common cold, insomnia, etc.

Q: Describe the preparation of the following reagents. 1. 250 mL of a solution that is 0.0376 N Mgl2 fr...

A:

Q: A certain reaction has an equilibrium constant of 10.1 at 25oC. Determine the ΔGo in kJ/mol

A:

Q: ny nickel atoms a MM (P) = 30 97

A:

Q: CH,CH,CH,CH3 CH;CH,CHCCH,CH,CH3 ČH,CH3

A: Given compound is : Write the IUPAC name of this compound = ?

Q: This is the laboratory apparatus used for liquid-liquid extraction. Florence flask Volumetric flask ...

A: For liquid liquid extraction is extraction of a particular compund from a solution with the help of ...

Q: Current Attempt in Progress What is the mass of 4.63x 1012 atoms of Fe? O 9.76 x 10 10g O 2.73x 10 1...

A:

Q: From the calibration curve using standard F solutions, the slope of the curve is -58.5 mV. When a fl...

A: Solution- Data Given- Slope of the curve (S) = -58.5 mV, E(potential) = 100.0 mV, K = Coulomb consta...

Q: Lewis dot

A: Lewis structure is the diagrammatic representation of the total number of valence electrons in an io...

Q: Two students, each made four measurements of the mass of an object. Their results are shown in the t...

A: Accuracy : this represent the result how closely to standard Value. Precision : This represent the r...