NaCl will depress the freezing point of water more than CaCl2. True False

Q: Why does impurities increase the boiling point and decreases the freezing point?

A: As we know that impurities are non volatile solute and when non volatile solute is added to a…

Q: Explain (in one sentence) why Mg2+ has larger hydrated diameter compared to Ba2+.

A: Hydration diameter is directly proportional to charge and inversely proportional to size

Q: Which molecule would you expect to be more soluble in water: CCl4 or CH2Cl2 ?

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Q: Which of the following accurately lists compounds in order of increasing solubility in water? LİCI,…

A: Polar compounds are more soluble in water.

Q: he melting point and freezing point are the same temperature.  True or  False

A: Melting point is the point where the solid phase changes to liquid  Freezing point is the point…

Q: Potassium nitrate has a solubility of 32 g of KNO3 in 100 g of H20 at 20 °C. Which of the following…

A: At 20 0C , 30 gram of KNO3 dissolved in 100 gram of H2O will form a saturated solution.

Q: What is the boiling point of a solution containing 82.1 g of I2and 700.0 g of chloroform, CHCl3.…

A: If a non-volatile compound is added to the solvent, its boiling point will be increased. A liquid…

Q: The hydrogen bonds between water and ammonia in a solution are intermolecular forces. TRUE OR FALSE

A: Intermolecular force: the attractive force that withholds two molecules is called as intermolecular…

Q: Please help

A: The solubility curve of KCl in water is as shown below:

Q: Predict which of the following compounds have the lowest freezing point 1.5 M AL3(S04)3 5M MH3 3…

A: Freezing point depression can be calculated using the formula,ΔTf = i x Kf x m where it depends on…

Q: Select the compound with the lowest freezing point: a. SnH4 b. They all have the same freezing…

A: The freezing point of the substance is the temperature at which the solid a liquid form is in…

Q: 5. Which ionic solid is most soluble in water at 0°C? A. sugar (C12H22O11) B. KNO: C. NANO3 D. NaBr…

A: since you have posted a multiple questions in a single session, we are entitiled to answer only…

Q: Which of the following substances is MOST soluble in water? a. C2F4 b. CCl4 c. C3H7OH d. C5H12

A: We know that " like dissolves like ". That is polar compounds dissolve in polar solvents and…

Q: Why is CaSO4 less soluble in water than NaCl?

A: The ion dipole interactions are the interaction exists between the ion of the compound and water…

Q: At 25.0 °C the Henry's Law constant for dinitrogen monoxide (N,0) gas in water is 0.025 M/atm.…

A: Given: Henry constant of N2O gas =0.025 and partial pressure of N2O = 3.99 atm. To find : mass of…

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

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Q: Which solution (saturated, unsaturated, or supersaturated) represents a non-stable

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Q: NaCI (MM = 58.44 g/mol) having a mass of 43.2 g was dissolved in 153 g of chloroform. What is the…

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Q: The melting point of sodium iodide is 661 °C and the melting point of water is 0 °C. Explain why the…

A: Melting point of NaI and water as 661°C and 0°C, respectively.

Q: How can both the boiling point and melting point help in establishing, for example, the physical…

A: In pharmacy there are different type of drugs to be synthesized whose chemical formulation and…

Q: The CH3COOH could have greater vapor pressure lowering than NaOH. O True O False

A: Answer  Lowering in vapour pressure is a colligative property Which is…

Q: Give the names of the following hydrates and solu for 90H20: a. CuCl2 ● 2H20 b. MgSO4 ● 7H20 (the…

A:

Q: A certain liquid X has a normal boiling point of 117.50 °C and a boiling point elevation constant K=…

A: Given: The Kb for liquid X = 1.510C kg mol-1. The boiling point of liquid X (T0b) = 117.50C. The…

Q: Calculate the mass of propylene glycol (C3H8O2) that must be added to 0.350 kg of water to reduce…

A:

Q: [References) Use the References to access important values if needed for this question. The freezing…

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Q: Adding salt to water decreases the freezing point of the water since it lowers the vapor pressure of…

A:

Q: A certain liquid X has a normal boiling point of 118.50 °C and a boiling point elevation constant K,…

A:

Q: Volatile Liquid Unknowns Liquid Molecular Formula Molar mass Boiling point ('C at 1 atm) (g/mol)…

A: Given : 1) Observation table showing molecular formula, molar mass and boiling point values. To Find…

Q: Why is it important to know if a substance is a molecular compound or an ionic compound before…

A: We have to discuss  the   importantance of   a molecular compound or an ionic compound for…

Q: At 25.0 °C the Henry's Law constant for helium (He) gas in water is 3.7 × 10¯*M/atm. Calculate the…

A: In the given question we have to calculate the mass in gram of helium gas which is dissolved in…

Q: Which molecule do you expect to have the highest vapor pressure? Draw Lewis Structures of each…

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Q: Rank the following from highest to lowest van't Hoff factor? SrCl2 CrSO4  LiCl Sn(SO4)2

A:

Q: Which of these compounds is most soluble in water and why? (A) CH4; it forms hydrogen bonding with…

A: CH4 do not form any hydrogen bonding and it is also a  non polar compound so it is insoluble in…

Q: PI+ 7,5 kcal EX 8. True or False. The energy required to melt a solid is higher than the energy…

A: Given: Energy required to melt a solid is higher than the energy required to vapourize a liquid.  To…

Q: A certain liquid X has a normal boiling point of 116.20 °C and a boiling point elevation constant…

A: *  Liquid X has a normal boiling point of                     116.20°C      Tb° = 116.20°C * Boiling…

Q: Rank the liquids in order of their surface tension, glycerin v hexane v mineral oil v water

A: We will give order of surface tension of given molecules

Q: At 25.0 °C the Henry's Law constant for hydrogen sulfide (H,S) gas in water is 0.087M/atm. Calculate…

A: Given data Henry's Law constant for H2S gas in water : H=0.087 M/atm Volume of water : V = 925 mL…

Q: What are the correct units for the boiling point elevation constant for water?     oC/mol…

A: Answer:- This question is answered by using the simple concept of determination of units of boiling…

Q: plain in 4-5 sentences) Which sample has the lowest vapor pressure? Why?

A: The colligative properties are the properties of substance which depend upon amount of solute added.…

Q: Choose the pair of substances that are most likely to form a homogeneous solution. O NH3 and CH3OH O…

A: To identify: The pair which will form a homogenous solution.

Q: 7. Which ionic solid is most soluble in water at 60°C? A. sugar (C12H22O11) B. KNO3 C. NANO3 D. NaBr…

A: according to the given graph above. at 60°C the solubility of Ce2(SO4)3 has the maximum solubility.

Q: A certain liquid X has a normal boiling point of 144.90 °C and a boiling point elevation constant…

A:

Q: At 25.0°C the Henry's Law constant for dinitrogen monoxide (N2O) gas in water is 0.025 M/atm.…

A: Given that Henry’s law constant for N2O is 0.025 M/atm.

Q: At 25.0 °C the Henry's Law constant for nitrogen trifluoride (NF3) gas in water is 7.9 × 10 *M/atm.…

A:

Q: Which of the following gives the correct order of solubility in water? (1) H₂N CH3 (iii) > (ii) >…

A:

Q: At 25.0 °C the Henry's Law constant for methane (CH.) gas in water is 1.4 × 10 °M/atm. Calculate the…

A:

Q: A certain liquid X has a normal boiling point of 92.90°C and a boiling point elevation constant…

A: We have normal boiling point as 92.9 degree Celsius, Kb as 2.15 °C/m . KBr 30 g is dissolved in 800…

Q: A certain liquid  X  has a normal boiling point of  105.30°C  and a boiling point elevation…

A: Mass of ZnCl2=52 g Molar mass of ZnCl2 =136.3 g/mol Moles of ZnCl2 =52 g/(136.3 g/mol) Mass of…

Q: Which of the following substances should you expect to be more soluble in benzene than in water? CS,…

A: Benzene is nonpolar, organic solvent water is a polar solvent....