ind the molar mass of an unknown soluble ionic compound made from an alkaline earth metal and a halogen, if 13.822 g of the compound issolved in 167.112 g of water lowers the vapor pressure of water by 11.049 torr at 83 °C. The vapor pressure of water at this temperature is 403 prr. Give the answer with 3 or more significant figures.

Q: Oxygen gas, generated by the reaction is collected over water at 27°C in a 5.87-L vessel at a total…

A: Given : Temperature = 27 oC Total pressure of gas mixture = 1.00 atm = 760 torr Volume of vessel =…

Q: Indicate the most important types of intermolecular attractions in the following solutions: HCl(g)…

A: Hydrogen Chloride gas, HCl is a polar Molecule in which Hydrogen is slightly electropositive (…

Q: Calculate the percentage composition of ( CaSO4. 8H2O). b) What is the percentage water in the…

A:

Q: True or False The relative strength of the IMFs in a solid are strong compared to the kinetic…

A:

Q: 1) In the following reaction 27.1 mL of O2 (2) is collected over water at 23 °C and barometric…

A:

Q: A sample of carbon dioxide occupies a volume of 3.5 liters at 125 kPa pressure. What pressure would…

A: Initial volume = 3.5 L  Initial pressure = 125 kPa  New Volume = 2.00 L  New pressure = ?

Q: A sample of sulfur weighing 0.210 g was dissolved in 17.8 g of carbon disulfide, CS2 (Kb = 2.43…

A:

Q: Asolution contains 4.08 g of chloroform (CHC3) and 9.29 g of acetone (CH3COCH3). The vapor pressures…

A:

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.73.…

A: The solutions which follow Rault's law are known as ideal solutions. For an ideal solution, total…

Q: Calculate the freezing point and normal boil point of  24 mL of ethanol, C2H5OH ( d= 0.780g/mL), in…

A: In this question, we want to determine the freezing point and boiling point of the Solution.  You…

Q: If you place 30.0 L of hexane (C6H14) in a sealed room that is 3.75 m long, 2 m wide, and 3 m high,…

A: Given: Volume of liquid hexane = 30.0 L = 30000 mL                             (Since 1 L = 1000 m)…

Q: 3. The vapor pressure of water at 16°C is 13.6 torr and it is 15.5 torr at 18°C. What is the vapor…

A: The solution is given below -

Q: HHHHHH |||||| H-C-C-C-C-C-C-H | | | | | | HHHHHH H H HEXANE Why does water have a lower vapor…

A:

Q: Identify the characteristics of intermolecular interactions including hydrogen bonding, ion-dipole,…

A: Hydrogen bonding is an electrostatic attraction which is partial and it takes place between a…

Q: Explain through the concept of bonding why water was found to expand by approximately 9% when it…

A: In Liquid form, water ( H2O) molecules are continuously moving. As a result of this, there is very…

Q: 7. What is the vapor pressure of water at 50°C?

A: At 25°C temperature, vapor pressure of water lie between 10 to 15kPa that means it is a middle point…

Q: A mixture with a total mass of 1.67 g contains sucrose and ethyl alcohol. This mixture is reacted…

A: Find the complete solution given below

Q: Calculate the boiling point and freezing point of 2.00g of Fe(NO3)2 in 15g H2O. Kf = 1.86…

A: Given that, 2.00 g of Fe(NO3)2 is dissolved in 15 g H2O The molal freezing point depression constant…

Q: You take a sample of water that is at room temperature andin contact with air and put it under a…

A: The first batch of bubbles appeared are due to the gas molecules that are leaving the water. This is…

Q: Ethanol, C2H5OH and carbon dioxide, CO2 have approximately molecular weight, yet CO2 is a gas  at…

A: Answer  Ethanol and carbon dioxide have approximately same molecular…

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.96.…

A:

Q: The normal composition for this foliar spray is 128 grams of calcium nitrate at 94.64v liters of…

A: Here we have to determine the change in vapour pressure of solution when 128 g Ca(NO3)2 is added to…

Q: (a) If a 500-mL glass beaker is filled to the brim with ethyl alcohol at a temperature of 5.00oC how…

A:

Q: The boiling point of amphetamine, C,H13N, is 201.0°C at 760.0 torr and 83.0°C at 13.0 torr. What is…

A: As per Clausius Clayperon equation, vapor pressure of a liquid at two different temperatures is…

Q: 3. Consider the following chemical reactions: KCIO3 (s) -------> KCI(s) + O2(g) NANO3(s) NaNO2(s) +…

A: Mass of mixture of potassium chlorate and sodium nitrate = 5.00 gm Mass of residuals KCl + NaNO2 =…

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.37.…

A: Given : Solution is a binary solution of 2 liquids A and B. Mole fraction of A in solution = 0.37…

Q: A 0.516 g sample of a metal, M, reacts completely with sulfuric acid according to M(s) + H, SO,(aq)…

A: A metal on reacting with acid will result in the production of hydrogen gas as follows:…

Q: Arrange the following in increasing parameter: 1. Boiling point: NaCl, H20,Cl2 2. Melting point:…

A: Hi, since you have posted questions with multiple subparts we will answer the first three subparts…

Q: The boiling point of amphetamine, C₉H₁₃N, is 201°C at 760 torr and 83°C at 13 torr. What is…

A: Given that the vapor pressure at 201oC is 760 torr and vapor pressure at 83oC is 13 torr   To…

Q: Vapor pressure of 25 percent by mass ascorbic acid (C6H8O6) solution in water is 24.5 torr at 25 o…

A: The total mass of the solution is 100gm, Ascorbic acid = 25 gm, and mass of water = 75 gm. Moles of…

Q: 03, the odorous constituent of oil of wintergreen, has a vapor pressure of 1 10.0 torr at 95.3° C.…

A:

Q: Octane and nonane are liquids which are components of gasoline. Their vapor pressures at 25°C are…

A: According to Raoult’s law :

Q: Two volatile substances are mixed with one another so that substance A has a mole fraction of 0.59.…

A: Use Raoult's law for ideal solutions to solve this problem,Psolution = PAo XA + PBoXB where…

Q: 1.Which of the following liquids are likely to be miscible with water: 1-propanol (CH3CH2CH2OH),…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

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: Shown below are the vapor pressures of water (PH2O) at different temperatures: T(oC)       PH2O…

A: The given information is: Volume of hydrogen gas collected = 1595 mL. Total pressure = 762 torr…

Q: A student prepared two beakers with identical sprigs of a water plant as shown in the figure below.…

A: The graph explaining the number of bubbles released in the beaker containing the plant at varying…

Q: Which of the following liquids are likely to be miscible with water: 1-propanol (CH3CH2CH2OH),…

A: To identify which of the following liquid is miscible with water. 1-propanol CH3CH2CH2OH Carbon…

Q: Which of the following liquids are likely to be miscible with water: 1-propanol CH3CH2CH2OH, carbon…

A: Concept: "Same dissolve same." The polar solvent dissolves polar solute and the nonpolar solvent…

Q: Which of the following gases would you expect to be most soluble in water? * O methane (a component…

A:

Q: would you predict beryllium chloride to be more or less soluble than calcium chlorid?

A: Given information: Beryllium chloride and calcium chloride

Q: If you place 10.0 L of heptane (C7H16) in a sealed room that is 5.25 m long, 2 m wide, and 2.75 m…

A: Answer: Ideal gas equation is: PV=nRTPVRT=nn=PVRThere:n=number of moles of gasP=pressure of…

Q: What is the ΔHfus of ethanol (46.06 g/mol) which has Kb of 1.99 and freezes at -117.3 °C?

A:

Q: Why are the predominant IMFs in CH3(CH2)8OH dispersion forces and not hydrogen bonding?

A: The solubility of CH3(CH2)8OH in water is very less which is 0.015 g per 100 g H2O. This means that…

Q: The solvent hexane, C6H14 is shown here: H HHHHH H. H HHHHH H Hexane is: O a. a hydrogen-bonded…

A: Hexane is a hydrocarbon, it is an alkane, contains C-C single bonds, and its molecular formula…

Q: One of the attractive features of ionic liquids is their lowvapor pressure, which in turn tends to…

A: VAPOR PRESSURE: Vapor pressure is defined as the measure of the capability of a substance which can…