Which pair of elements would you expect to exhibit the greatest similarity in their physical and chemical properties? O CO Ga, Ge O Sr, Ba O Cs, Ba O H. Li

Q: The empirical formula of compound R is ____________________

A: a. 32.2% of 5 g = 1.61 g 67.8% of 5 g = 3.39 g So, The sample 1.61 g Al and 3.39 g F Now, No of mole...

Q: Salicylic acid reacts with acetic anhydride to form aspirin, acetylsalicylic acid.  If the percent y...

A: Given, Salicylic acid reacts with acetic anhydride to form aspirin Percent yield of the reaction = 7...

Q: What is the number of o bonds and ä bonds in one molecule of this compound?

A: Between the atoms single bonds consider as a Sigma bond and in double bond there is a one Sigma bond...

Q: A 3.788 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis ...

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Q: A compound contains only C, H, and N. Combustion of 35.0 mg of the compound produces 51.3 mg CO2 and...

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Q: (e) Define coordination number and atomic packing factor

A:                 The terms coordination number and atomic packing factor are frequently used in cryst...

Q: H,C=CH, H' 'N' H. H ENE YDE INE

A:

Q: 1. A compound X containing carbon, hydrogen and oxygen only have the following composition by mass: ...

A: Given, Compound X containing Carbon, Hydrogen and Oxygen % of Carbon (C) = 54.5 % = 54.5 g % of Hydr...

Q: Find the molarity of 0.13g of calcium hydroxide, Ca OH)2, 33.00 mL solution

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Q: Determine the Miller indices of the plane and direction shown below (i) y y b a b a

A: Miller indices of a plane are inversely proportional to the intercept of the plane on the 3 crystall...

Q: Morphine should be extracted from a urine sample using solid extraction (SPE). Suggest a suitable SP...

A: To suggest a suitable SPE column that can be used for the extraction of morphine.

Q: Hemoglobin is a large molecule that carries oxygen in human blood. A water solution that contains 0....

A: Osmotic pressure = concentration × gas constant× temperature...

Q: what is the volume of a gas at 750mmHg if it exerted pressure of 650mmHg at 700mL? Assuming that the...

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Q: The concentration of hydroxide ion in an aqueous solution at 25°C is 3.9 × 10⁻⁴ M. What is the conce...

A: Given :  Temperature = 25 °C  [OH-] = 3.9 x 10-4 M   

Q: 2.3 Draw correlation diagrams for conrotatory and disrotatory paths for reactions (a) and (b). Label...

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Q: Yeast, Saccharomyces cerevisiae, fermented sucrose faster than glucose and fructose. Why? and why wa...

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Q: A 0.9550 g sample of ASA was dissolved in 40.1 mL of standard NaOH. The excess NaOH was neutralized ...

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

Q: 250 L solutions contains 5.00 g of NaOH, which has a molecular weight of 40.00 g/mol. What is the mo...

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Q: A middle school student asks you why hot air rises. Explain in one to three sentences the reason tha...

A: When air  gets heated up it expands and become less dense than surrounding .   

Q: uestion 21 What are the components of the buffer solution when 0.20 mol H3PO4 is mixed with 0.30 mol...

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Q: 4.22 Name the following alkynes, and predict the products of their reaction with (i) H2 in the prese...

A: A question based on alkynes that is to be accomplished.

Q: A0.001 m solution of a weak electrolyte ionizes into 4 ions freezes at-0.06C What is the apparent de...

A: Given,  Molality of the weak electrolyte = m = 0.001 m Number of ions given by weak electrolyte = n ...

Q: Calculate AG. Will the ion move into or out of the cell? Why does it move, concentration, charge, or...

A: Option B is correct. ∆G= -2301.6  Into the cell due to concentration and charge.

Q: The volume of gas at 27 C is 400mL.What will be the volume of that gas at 47 C, if the pressure is h...

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Q: An unknown compound has the following chemical formula: P,S where x stands for a whole number. Measu...

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Q: Iculate the percent composition by mass of the following compounds that are important starting mater...

A: We have to determine the mass percent of each element in the given compound. 

Q: what are the four major categories organic molecules and give an example of each?

A: Organic compounds is mainly made up of carbon and hydrogen contains heteratoms like nitrogen, oxygen...

Q: 4.46 How would you prepare cis-but-2-ene starting from propyne, an alkyl halide, and any other reage...

A: 4.46) We have to prepare cis-but-2-ene from propyne and alkyl halide. Expansion: Here in the first s...

Q: In diluting acid solution, which of the following statements are correct? I. Add the acid into disti...

A: When water is added to acid, a concentrated solution of acid is formed in the starting and it's an e...

Q: Hi! Can you help me with these?  Assignment: Balance these problems. Show your solution. (kindly re...

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Q: For problems 1-4 you are not expected to come up with an exaet strueture. Use the provided data to i...

A: From the IR spectrum,  it is clear that there is  1. An amine group present in it corresponding to t...

Q: How many grams of Silver can be deposited from the electrolysis of 30g AgCl?

A: The mass of silver can be deposited = 22.5792 g.

Q: Using the table of standard formation enthalpies that you'll find under the ALEKS Data tab, calculat...

A: Calculate enthalpy of the given reaction --- 2C2H6(g) + 7O2(g) ----> 4CO2(g) + 6H2O(l)   

Q: Give a clear handwritten answer..make a structure formula for-(R)-4-chloro-2-ethyl-3-methyl-1pentene...

A: Structural formula is the formula or diagram which shows how the atoms of different elements are lin...

Q: Write the hydrolytic reaction and equilibrium expression, corresponding to the second ionization, Ka...

A: The equilibrium expression for citric acid has been provided.

Q: Hi! Can you help me with these?  Assignment: Balance these problems. Show your solution. (kindly re...

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Q: The pH of a solution produced when 20 ml of 0.1 M acetic acid is mixed with 5 ml of 0.5 M potassium ...

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Q: Use the References to access important values if needed for this question. cording to the following ...

A: Given benzene in excess amount

Q: (g) The material 60-40 Solder contains 60 wt% Sn and 40 wt% Pb. Calculate the composition of the mat...

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Q: What number of atoms of nitrogen are present in 3.54 g of each of the following? a. glycine: C2H5 O2...

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Q: Choose one disaccharide and explain its structure, properties and function

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Q: 3H2 + N2 → 2NH3 a. If you have 3.5moles of hydrogen and 5 moles of nitrogen to produce ammonia, whi...

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Q: H H3C, „H H YCH2CH3 ČH3 A

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Q: Kevlar is the high-strength polymer material. It has the following composition: 70.58% carbon, 11.76...

A: Answer: Formula of a compound in which all the atom have been mentioned in the simplest possible int...

Q: Write the hydrolytic reaction and the equilibrium constant expression corresponding to the Ka, of H

A: The answer is as follows:  

Q: Refer to the schematic diagram below, what is compound D? | Conc. H,SO, a-naphthol Conc. HS0, acetic...

A: The answer is as follows:

Q: What sugar units make up the structure shown? CH„OSO;- НО H H ÇOO- H NHCCH3 H H. K ÖH H он O D-Glucu...

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Q: Arrange the following solids in order of increasing melting points and account for the order. a. Naf...

A: Melting point of a substance can be defined as the temperature at which a solid substance convert in...

Q: A compound containing only sulfur and arsenic is 30.0% S by mass; the molar mass is 428 g/mol. What ...

A: Empirical formula is the smallest whole number ratio of elements present in the compound.  Molecular...

Q: Higher Rf value will be obtained from dextrin than that of glucose in a reverse-phase TLC.

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Group 14 Elements

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