Calculate the packing efficiency and density of diamond.

Q: The metal rubidium crystallizes in a body-centered cubic lattice. If the radius of rubidium is 248 p...

A:

Q: Morphine (C17H1903N) is very effective at relieving intense pain. Calculate the pH of a 0.00115 M so...

A: Concentration of morphine = 0.00115 M  Value of Kb = 8.0 × 10-7   

Q: eigy dlagladm were calalyzed, the effect would be to: Reaction Coordinate O A increase line segment ...

A:

Q: The metal rubidium crystallizes in a body-centered cubic lattice. If the radius of rubidium is 248 p...

A: The relation between edge length (a) and radius of atom (r) for BCC lattice i √(3a) = 4r .

Q: Valproic acid is a drug treating epilepsy with a pKa around 4.5. Considering in the stomach compartm...

A: Given:- Valproic acid is a drug treating epilepsy with a pKa around 4.5. Considering in the stomach ...

Q: Balance the following redox reaction: 1. MnO4-1 + H2O2 → Mn+2 + O2  (acidic)

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Q: Determine the operating pressure in a stored tank a) full vacuum b) half vacuum c) 1 atm d) 2 atm...

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Q: The reaction 2 NO2 2 NO + O2 is postulated by the following mechanism. NO2 + NO2 → NO + NO3 (slow) N...

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Q: The space-filling representation of a crystalline potassium provided below is an example of a unit c...

A: Ans : b) Simple Cubic Unit cell Contain  the equivalent of 1 atom.  

Q: Provide the correct IUPAC name for skeletal (line-bond) structure shown here.

A: Rule for the nomenclature of cyclic aliphatic hydrocarbon- 1-Take the hydrocarbon ring part as the p...

Q: Calcium crystallizes in a face-centered cubic lattice. The radius of calcium is 196 pm. What is the ...

A: Ca crystallizes in FCC lattice.The radius of Ca is 196 pm.We have to calculate the edge length of th...

Q: You add 3.5 L of a HCl solution of unknown concentration to 2.0 L of 0.5 M HCl and obtain a solution...

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Q: A titrant solution of KMNO4 was standardized with 0.2g of Na2C2O4 amd consumed 27.75 mL to reach end...

A: Given that, a titrant solution of KMnO4 was standardized with 0.2 g of sodium oxalate (Na2C2O4) and ...

Q: maintain the dryness

A: In this question we have to explain that why is there a need to maintain the dryness of the apparatu...

Q: What is the total net charge of the H3PO4-H2PO4-HPO4-PO4 polyprotic system at a pH of 9.6. If necess...

A: The solution of the question is given below:

Q: For the following reaction, 0.213 moles of hydrochloric acidare mixed with 0.569 moles of barium hyd...

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Q: mL Alcohol 85% ad 240 mL Sig. For the scalp. How milliliters each of 95% v/v alcohol and water shoul...

A: The questions asks the volume of alcohol and water to be mixed in order to prepare 240 ml of 85% alc...

Q: The ΔG°rxn for the reaction: A (g) + B (g)   2 C  is +192 kJ/mol at 25 °C.  What is the equilibrium...

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Q: Give the scientific definition about the boiling water.

A: the scientific definition about the boiling water is given below.

Q: bleach

A: In this question we have to explain that the difference between a bleach safe for white clothes and ...

Q: Which of the following is/are TRUE about molar conductivity? The molar conductivity provides inform...

A: We have to tell the true statements about the molar conductive. We know that molar conductive is the...

Q: A second-order reaction starts with an initial concentration of 0.020 M of the reactant. If the rate...

A: Chemical kinetics is branch of chemistry which deals with the speed at which rate of reaction occurs...

Q: R2 NH 2 HOOC CH CH R1 Amino Peptide bonds Carboxy terminus terminus -

A: Polypeptide: A polypeptide is formed by the condensation or dehydration reactions of between three o...

Q: Concentration of standard NaOH (base) .200 M Sample V of acid V of base [HP] (X) Solubility (-X) [K*...

A: Equilibrium is a condition at which rate of forward as well as backward reaction is same. Common ion...

Q: Determine how the following changes affect the given equilblirium reaction that is held in a closed ...

A: The effect of physical changes on an equilibrium reaction can be explained on the basis of Le chatli...

Q: ne space-filling representation of a crystalline potassium provided below is an example of a unit ce...

A: Introduction :  In simple lattice structure the atoms are placed at each corner of the cube, each at...

Q: Place the following in order of increasing acid strength. HlO < H1O 2 < HlO 3 < HlO 4;

A: Place the following in order of increasing acid strength ---

Q: A Moving to another question will save this response. Question 11 What is the pH for a solution at 2...

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Q: II. Answer the following items as required. A. (a) overlapping of orbitals (b) bond axis & electron ...

A: The answer is as follows:  

Q: Draw a heating curve when octane, a component of gasoline, is warmed from -70 °C to 130 °C. It has a...

A: A heating curve is a graphical representation of the phase transition that a material undergoes when...

Q: 4. Most monosaccharides and disaccharides undergo fermentation in the presence of yeast. What are th...

A: Most monosaccharides undergoes fermentation in the presence of yeast. Glucose undergoes fermentation...

Q: Determine how the following changes affect the given equilblirium reaction that is held in a closed ...

A: Le Chatelier's principle: This principle is used to predict the effect of a change in conditions on ...

Q: O A. The overall order of the reaction is 2. O B. The overall order of the reaction is 1. OC. The re...

A: 1. The overall order of the reaction is 1. As in the rate of the reaction is dependent on the amount...

Q: 3. Use the information in the table below to answer questions 3a and 3b about the Krp protein with t...

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Q: D. What is the hybrid orbital of each of the molecules/ ion in the preceding item (C)? For # 5 & 6, ...

A: Hybrid orbitals can be defined as the orbitals that are formed by mixing of two or more  atomic orbi...

Q: A Moving to another question will save this response. Question 3 Fuel engineers use the extent of th...

A: The given equilibrium reaction is as follows: CO2g + H2g ⇌ COg + H2Og

Q: Enter the coefficients directly from the balanced chemical equation. Do not reduce to lowest terms. ...

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Q: With respect to EMF series, indicate the easiness with which the following metals can be cathodicall...

A: Here using the standard reduction data of metal from electrochemical series we can determine the eas...

Q: Which two species act as the bases in the following reaction? HF + HS- 2 F+ H2S O A. F , H2S O B. HS...

A: The species  which  accepts proton is called as base.after accenting  proton ,each base forms its co...

Q: BALANCE THE FOLLOWING REDOX REACTIONS (1) MnO, + H2O: + Mn O: (acidic)

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Q: A Moving to another question will save this response. Question 4 Calculate the pH of a 0.0927 M solu...

A: Given, Concentration of the pyridine solution (C) = 0.0927 M Kb for pyridine (C5H5N) = 1.7 × 10-9 pH...

Q: of this reaction. Ignore ir yproducts.

A: Alcohol can be defined as the organic compound in which carbon atom is attached to hydroxyl group.

Q: The number of nearest-neighbor atoms of an atom is called its O a. sequence number O b. system numbe...

A: In a crystal lattice structure, an atom is surrounded by a definite number of neighboring atoms.

Q: How do you remove substances that Give The Same Reaction As Sugar With Nylander’s Test?

A: Solution: The reaction is sugar with Nylander's test is shown below: A black precipitate of metallic...

Q: Stannous fluoride, or Tn(II) fluoride, is a compound commonly used in toothpastes with similar in fu...

A: All the NMR spectrum shown in Step 2:

Q: What is the symbol for the element that is in group VIIA(17) and period 3?   What is the symbol fo...

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Q: C. For the following hypothetical molecules/ ions below: (The number of valence electrons for each e...

A: Here we have to write Lewis structure of molecules using valence electrons and then will determine m...

Q: The maximum rate I at which oxygen molecules can be consumed by a bacterium or radius R in a lake wh...

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Q: Phosphorus pentachloride decomposes according to the chemical equation PCI, (g) = PCI, (g) + Cl, (g)...

A: Kc ( equilibrium constant ) is the ratio of concentration of products to concentration of reactants ...

Q: How many milliliters of a 100 mg/ml e Sig. As directed. How many milliliters of a 100 mg/m ph concen...

A: Given :-  If a pharmacist fortified 10g of a 0.1% w/w tacrolimus (PROTOPIC) ointment by adding 12.5 ...

Group 14 Elements

The following elements come under group 14 of the periodic table.