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Q: outline the formation of an ionic bond and the structure of ionic compounds.

A: A chemical compound consists of two or more different elements which are bonded with each other thro...

Q: g piece of molybdenum, initially at 100.0°C, is dropped into a coffee-cup calorimeter containing 244...

A: Since you have asked multiple question, we will solve the first question for you.If you want any spe...

Q: 1) From each of the following pairs of substances, choose the one expected to have the greater absol...

A: We define entropy as the measure of degree of randomness and disorder in a system.    (a) Pb(s) or C...

Q: Chemistry Question

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Q: A student reacts an unknown solid with an unknown liquid and makes the following observations: The s...

A: When acid reacts with base then salt and water are formed. When acid reacts with metal carbonate the...

Q: An air sample from a Normal, Illinois basement was found to have a radon activity level of 0.722 Bq/...

A: Answer:- This question is answered by using the simple concept of radioactive decay which follows th...

Q: Describe the relationship between intermolecular forces andsolubility, including the use of the “lik...

A: Describe the relationship between intermolecular forces and solubility, including the use of the “li...

Q: Choose the best option for the precursor to the target molecule. A OH H. H

A: Ans B

Q: Determine the pH of a 0.375445 M C6H5CO2H M solution if the Ka of C6H5CO2H is 6.5 x 10-5.  Record yo...

A: Benzoic acid is a weak acid it gives very small concentration of H3O+ ion. We know  pH =-log [H3O+] 

Q: student performs Experiment 7 using copper wire as the initial copper source and obtains the followi...

A: Given mass of dry beaker is 120.4265 g  Given mass of dry beaker + copper wire is 122.4715 g  After ...

Q: What you expect to observe on mixing 0.1M AgNO3 with HCl. Will there be a color? Will bubbles form? ...

A: The question is based on qualitative analysis. we have to describe the observations..

Q: In 1871, Mendeleev predicted the undiscovered element ekasilicon. In 1886, the element was discovere...

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Q: A 1.0 ?1.0 m solution of which water‑soluble solute will cause the largest deviation in properties o...

A: Answer:- The deviation in water solvent properties depends on the van't Hoff factor. Higher the van'...

Q: What you expect to observe on mixing 0.1M CuSO4 with 6M NaOH. Will there be a color? Will bubbles fo...

A: We have to  describe  the observations of the given reaction.

Q: How many grams of solid barium sulfate form when 25.2 mL of 0.160 M barium chloride reacts with 65.1...

A: Given,     25.2 mL of 0.160M  barium Chloride (BaCl2) Hence, no. Of moles of BaCl2 = 25.2×10-3 × 0.1...

Q: Calculate the pH of a buffer solution composed of 0.12 m benzoic acid and 0.20 m sodium benzoate. (B...

A: The pH of the buffer solution is determined by Henderson equation, pH=pKa+log[base][acid]

Q: A 1.00-g sample of potassium bicarbonate is decomposed by heating. If the resulting potassium carbon...

A: Given details, The balanced chemical equation, 2KHCO3 → K2CO3 + CO2 + H2O The actual yield = 0.725 g...

Q: How much heat is required to increase the temperature of a 10.0 gram piece of iron from 25°C to 55°C...

A: Heat energy can be calculated as follows 

Q: Calculate the pH of a solution that contains 0.10 m HC2H3O2 and 0.050 m NaC2H3O2. The Ka for HC2H3O2...

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Q: What you expect to observe on mixing 0.1M Zn(CO3)2 with 6M NH3. Will there be a color? Will bubbles ...

A: The question is based on qualitative analysis. we have to describe the observations taking place.

Q: Fex(CO)y consists of 30,70% iron. Calculate the simplest (empirical) formula of the compound.

A: To solve this problem we have to consider the the total mass of Fex(CO)y will be equal to 100.0 g th...

Q: Identify the reactions involved in the following conversion.

A: A multiple choice question based on organometallic chemistry, which is to be accomplished.

Q: Calculate the cell potential for the reaction as written at 25.00 °C, given that [Zn2+]=0.864 M and ...

A: The cell potential for a reaction can be calculated by using Nernst's equation as        Ecell=E°cel...

Q: (a) Complete the following table:BESTLewis structureNH4+Draw Lewis structure:VSEPR Formula for centr...

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Q: Each orbital can hold 2 electrons. How many total electrons are in the p sub level?

A: We have to find total electrons are in the p sub level 

Q: Im having a hard time distinguishing peaks on an IR spectrum. Theyre often very crowded, and i dont ...

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Q: Determine the value of Kc for the reaction below if the equilibrium concentrations are as follows:  ...

A: Interpretation-  To determine the value of Kc for the reaction below if the equilibrium concentratio...

Q: Show how to take 3.6E-7 mol/L AgCl and convert it to g/100 mL

A: Given:  3.6 x 10-7 mol/L AgCl  To convert: 3.6 x 10-7 mol/L AgCl  to  g/100 mL AgCl conversion facto...

Q: 4.22 Write ionic and net ionic equations for the following reactions:

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Q: The hydrated form of nickel(II) chloride is a green compound commonly found in the chemistry laborat...

A: One mole of a substance is that amount of it which contains as many entities as there are atoms in e...

Q: What is the root mean speed in m/s of Kr at 15°C? (write the solution without decimals)

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Q: What you expect to observe on mixing 0.1M AgNO3 with 6M NaOH. Will there be a color? Will bubbles fo...

A: Silver oxide - a displacement reaction occurs, but silver hydroxide isn’t thermodynamically stable a...

Q: Define the term body-centered cubic lattice?

A: Lattice is a part of crystal, which is a 3D arrangement of atoms, molecules, or ions. Furthermore, t...

Q: A plot of rotational spectrum results in evenly-spaced bands (peaks) when wavenumber (cm-1) is used ...

A: In a rotational spectrum, the spectrum is obtained as the molecules jump between the different quant...

Q: An experiment is to be performed to produce 1.7g of copper using aluminum foil and copper (II) chlor...

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for you...

Q: ) What are the three main parts of a histone deacetylase inhibitor pharmacophore? Explain the functi...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Help me fast??

A: The equation for the Zinc-copper cell is, Zn(s) + Cu2+(aq) → Zn2+(aq) + Cu(s)The given cell has E°ce...

Q: Answer question number 1

A: Hi, since you have posted question that has multiple subparts, we will answer the first three subpar...

Q: Balance the equation in basic conditions. Phases are optional. equation: N2H4+Cu(OH)2⟶N2+Cu

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Q: A gas occupies 1.40 L at 0.90 atm. What pressure would it exert if the volume were allowed to increa...

A: P1V1 = P2V2

Q: State the physical significance of entropy.   Note: Please briefly explain. Thank you.

A: Entropy measure randomness or disorderness of molecules. Solid to gases randomness increase entropy ...

Q: Explain the significance of the van’t Hoff factor (i) and its role indetermining the colligative pro...

A: Explain the significance of the Van’t Hoff factor (i) and its role in determining the colligative pr...

Q: Calculate the heat required to convert 25.0 g of water at 25.0 °C to steam at 100.0 °C.

A: The amount of energy required  q for altering the temperature ∆T is given by the following equation,...

Q: Arrange the following molecules in order of increasing average molecular speed. All are at the same ...

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Q: average molecular speed.

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Q: Classify each alkyl halide as 1°, 2°, or 3°. CH3 c. CHg-C-CHCH3 ČH3 ČI CH;CH2CH,CH,CH2-Br b. d. a.

A: In a primary alkyl halide (1o), the carbon that is attached to the  halogen is directly bonded to on...

Q: Calculate the standard cell potential, ?∘cell,Ecell∘, for the equation   Fe(s)+F2(g)⟶Fe2+(aq)+2F−(aq...

A: As per standard reduction table Fe2+(aq)  + 2e- → Fe(s)              E° = -0.45V F2 (g)+ 2e- → 2F- (...

Q: What is a buffer? How does a buffer work? How does it neutralizeadded acid? Added base?

A: Buffer defined, neutralize the buffer while adding acid and base have to be defined below.

Q: Provide the major product of each of the following reactions:   What do all these reactions have in ...

A: Applying concept of organic synthesis.

Q: List the Properties of Liquid Crystals?

A: The properties of Liquid crystals have to be listed.