What are the correct units for the boiling point elevation constant for water?     oC/mol     oC/kg     oC*kg/mol     oC*mol/kg     oC*mol

Q: 300 acetylacetone ругrole pyridine 200- 100- - 04 100 110 120 130 140 temperature, °C Use the graph…

A: Solution are as follows:

Q: The bonds between hydrogen and oxygen in a water molecule can be characterized as

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Q: The bonds within an individual water molecule and between separate water molecules explain the…

A: The water molecule consist of two hydrogen atoms and one oxygen atom and the two hydrogen atoms are…

Q: 12. Determine the percent by mass of water in Na2SO4 10H₂O

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Q: 9. Which of the following statements about water is not correct? It is c̟mposed of polar molecules…

A: Water has a very strong hydrogen bonding. Hydrogen when forms a bond with most electronegative atom…

Q: Which interactios are involved in freezing water? O Dispersion-Dispersion O Hydrophobic O lon-lon O…

A: Intermolecular forces of interactions are weak force of attraction exist among the molecules/ions of…

Q: Calculate the boiling point and freezing point of 20.0 grams of decane in 50.0 gram CHCl3. Normal…

A: First, the mole of decane present in 20.0 g is calculated.

Q: The following table provides some information on carbon dioxide solubility in water. S P k (mol/L)…

A: we have given some information on carbon dioxide solubility in water and we have to find the empty…

Q: Answer the following in a paragraph form; 1. Why is oil not wet? 2. Is water soluble to oil?

A: We have two types of compounds, one are called polar and other are called non-polar compounds. Let…

Q: The volume of the sample was 512 mL.  How many grams of H2 are in the sample? The vapor pressure of…

A: Solution - According to the question - Given - Since the gas is collected over water calculate the…

Q: How is the polarity of a liquid generally related to its miscibility with water?

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Q: Highest BP: Si(CH3)4  or NF3 e) Highest vapor pressure: CH3NHCH3 or BCl3

A: When the vapour pressure of a substance is equal to  atmospheric pressure the substance starts to…

Q: Which of the following substances CANNOT form hydrogen bonds with water molecules? Н H-C-H Н ... Н…

A: We know that, "Like dissolves like" Polar Solvent dissolve Polar Compound. Water is the most common…

Q: The vapor pressure of water at 25.0°C is 23.8 torr. Determine the mass of 180 g/mol) needed to add…

A: Answer is explained below.

Q: Calculate the percent by mass of water. 53. Ca(SO4)2 · 2H2O(s)

A: We are given a hydrated salt  Ca(SO4)2 · 2H2O. The total mass of the hydrated salt = 172.17 g/mol.…

Q: The unique physical properties of water are controlled by what? O by conductivity O by the formation…

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Q: Which compound would lower the freezing point of water the most? K2S MgO2 KI

A: The compound which dissociate in the water and produce more number of ions , will lower the freezing…

Q: Which of the following has the highest vapor pressure? PH3 SiH4 H2Se GeH4 HF

A: Vapor pressure depends on nature of liquid,  presence of a solute and temperature. Vapor pressure…

Q: Water and ethanol form a homogenous solution. Which type(s) of forces are involved?     dispersion…

A: The given homogenous solution is of water and ethanol.

Q: seawater sample contains 2.5% NaClNaCl (MW=58.44 g/mol) by mass. Calculate the normal boiling point…

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Q: 10. Which type of substance causes greater vapor pressure lowering? O an ionic compound O a covalent…

A: The given compounds are :   A. a covalent compound  B. a group of nonmetals C. a metallic compound…

Q: CH3OCH3

A: Answer : the species that can form hydrogen bond with water are  CH3OCH3 and HCOOH .  CH3OCH3  makes…

Q: what has the highest vapor pressure methanol (CH3OH),methane(CH4) or hydrogen sulfide (H2S)

A: The vapor pressure of a liquid is the equilibrium pressure of a vapor above its liquid that is, the…

Q: 1. Explain the trends of the following date in the table.

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Q: Refer to the equation below to answer the questions that follow. P2 In P1 -Hvp T2 1 R T1 1* atım R =…

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Q: Which of the following has the lowest freezing point? A) Н.О B) N, C) SO, D) H, E) CO,

A: The freezing point is a characteristic physical property of a solid. The temperature at which a…

Q: Convert 98.24 cal/g of ice to kj/mol

A: 1- First converted cal/g to cal/mol :  Molar mass of water( Ice ) is 18.01gmol-1  = ( 98.24 cal/g )…

Q: Explain why polar covalent bonds in water molecules result in hydrogen bonding? Also, Explain the…

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Q: Assume ideal behavior Which has highest boiling point and which is lowest A - 2.0M C12H22O11 B -…

A: The elevation in boiling point of any solution is given by  elevation in boiling point = i X Kb X m…

Q: Describe the structure, bonding, and properties of this organic functional group. What is the…

A: The given structure is that of Toluene which is a non-polar molecule.

Q: The freczing point of water is 0.00C at I atmosphere A student dissolves 14.48 grams of ammonium…

A: Given data: The freezing point of water=0.0°C. Mass of Ammonium nitrate (solute)=14.48 g. The molar…

Q: 6. Describe the difference between the hydrogen bond between two water molecules (intermolecular…

A: The forces which provide interaction including force of repulsion and attraction acting between the…

Q: The boiling point of liquid A is 75.5 °C at 1 atm (760.0 torr). Its vapor pressure at 15.5 °C is 165…

A: Given,The boiling point of a liquid at 1 atm ( 760 torr ) = 75.5 oCThe vapor pressure of liquid at…

Q: What is the strongest intermolecular attraction between this molecule and water?

A: Polar molecules are well dissolved in polar solvents. Water is a polar solvent. Alcohol, carboxylic…

Q: Rank the following in order of increasing boiling HF, HCl, HBr, HI

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Q: Rank the following ionic solids in terms of increasing solubility in water. I. CdF2 (Ksp = 6.44 x…

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Q: Explain hydrogen bonding and how it contributes to the unique properties of water such a surface…

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Q: What is the mixture of ice and salt used for cooling below O⁰C known as?

A: The mixture of ice and salt is used in the hilly areas to decrease the freezing point .

Q: Give a complete definition for each of the following enthalpy changes. In each case, please include…

A: Enthalpy change is defined as amount of heat absorbed or released by the process under constant…

Q: Question 6 If the plot is not displayed, please see Figure F13-4-2-b (the water phase diagram) in…

A: Answer: Triple point is the temperature and pressure values corresponding to a substance at which…

Q: Place the following in order from LOWEST (1) boiling point to HIGHEST (4) boiling point HBr ✓HF ✓HCI…

A: The boiling point of a substance is determined by the intermolecular forces of attraction between…

Q: What is the vapor pressure of water at 10 degree Celsius, at 25 degree Celsius And at 60 degrees…

A: Vapor pressure of water is the pressure at which the condensed state of water and water vapor are in…

Q: Oil molecules have higher vapor pressures than water.

A: Vapour pressure is the pressure exerted on liquids by the vapors present on its surface.

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.88.…

A: Sum of mole fractions in a mixture can be taken as 1 Mole fraction of A = 0.88 Mole fraction of B =…