(Q55) Which of the following pairs of liquids are most likely to be miscible? O Octane and ammonia O Water and heptane O Ammonia and Octane O Methanol and Ethanol O Octane and water

Q: Which of the following pure substances has the lowest melting poin ● Cs₂0 O CSCI CsBr CsI O CsF

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Q: How much ice (in grams) at 0 °C would have to melt to lower the temperature of 351 mL of water from…

A: The energy required(q) to cool down 351 ml water at  to  ism is the mass of water, density is 1 g/ml…

Q: choose the pair of substances that are most likely to form a homogenous solution

A: Homogeneous Solutions are the solutions with uniform composition and solute gets completely…

Q: Which of the following would be expected to be the most soluble in water? not possible to decide н H…

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Q: Let's put all of this together! Which of the three substances would you predict to be more soluble…

A: The question is based on the concept of solubility. we need to identify which of the given compound…

Q: Two students plan and carry out an investigation to determine if ionic or covalent bonds have…

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Q: Several emergent properties of water contribute to the suitability of the environment for life. How…

A: The correct statements are : 2) The partial positive region of water molecules are attracted to…

Q: A compound of gallium with chlorine has a melting point of 77 °C and a boiling point of 201 °C. Y…

A: We have compound of gallium and chlorine with melting point 77 °C and boiling point of 210 °C.We are…

Q: Consider the following data:   Lattice Energy   CaCl2(s) –2247 kJ/mol –46 kJ/mol CaI2(s) –2059…

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Q: Anserw 1 and 2

A: Introduction: CH4 = Methane CH3OH = Methanol Methane is a hydrocarbon. On the other hand, methanol…

Q: How much energy (in kJ) does it take to turn 79.00 g of octane (C8H18) at 75.88°C into a gas at…

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Q: The structure of isopropyl alcohol is shown below. Predict its solubility in water and explain your…

A: Isopropyl alcohol is soluble in water because it can form strong hydrogen bonds to the water. The…

Q: How much energy is needed to change the temperature of 39 g of water from 10.0 °C to 95.0 °C?

A: Since water remains in liquid form from 10°C to 95°C . Heat required, Q = mcp(l) ∆T ,where m is the…

Q: Explain how the above three enthalpy changes are related. Use a diagram to explain if appropriate…

A: To explain the relationship between the three enthalpies using a diagram: Enthalpy of dissolution…

Q: STEM WOrkplace Practices Q1

A: The objective of the question is to identify an example of a chemical that is used in Clean-In-Place…

Q: Liquid butane is used in cigarette lighters. The boiling point of butane at 1 atm pressure is -1.0…

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Q: 1:29 < Notes LTE O September 12, 2023 at 1:29 AM Ethanol has an enthalpy of evaporation of…

A: T1 = Initial temperature = 78.4 °CT2 = Final temperature = 15°C We have to vapour pressure at 15°C

Q: Balance the chemical equation Al2 S3 (s) +H20 (1) →2 Al(OH)3 (8) +3 H2S (g) Express your answer as a…

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Q: For each compound in the table below, decide whether there would be any hydrogen-bonding force…

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Q: What mass of CaCl2 must be dissolved in 1000. g H₂O in order for the boiling point to be 100.75 °C?…

A: CaCl2 is an ionic compound and completely dissociate into its ions.  CaCl2  ---&gt; Ca+2  + 2Cl-…

Q: (Q56) Why are the vast majority of solids more soluble in liquids at higher temperatures? O Higher…

A: Solids are more soluble in liquids usually at higher temperatures due to the increase in kinetic…

Q: Are CH3OH and H,O miscible?

A: Substances are said to be miscible if they mix in all proportions and form a solution.

Q: If 40.5 g of KCI are dissolved 250.0 g of water at 25.0 °C in an insulated container, a temperature…

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Q: Given the information below, calculate the lattice enthalpy for MX(s), where M is a group 1 metal,…

A: Hess's Law of Constant Heat Summation :- states that regardless of the multiple stages or step of a…

Q: 6. Draw the hydrogen bonds that could form between water molecules and the appropriate regions of…

A: An amino acid is a carboxylic acid with an amino group and the building block of proteins and when…

Q: Which one of the following substances would be the most soluble in CCl4? HF I2 Li2O C6H14 CH3COOH

A: We know, The statement "like dissolves like". it means polar solvent dissolves polar substance and…

Q: Which of the following graphs best represents the change in the total energy vs. temperature as N₂O…

A: In the given phase diagram of N2O, The far left region shows the solid phase of N2O. The far right…

Q: If 5.00 x 102 calories of heat are absorbed by 100.0 g H2O initially at 20.3 °C, what is the final…

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Q: For each compound in the table below, decide whether there would be any hydrogen-bonding force…

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Q: The following information is given for ethanol at 1 atm: Boiling point = 78.40°C Heat of…

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Q: Write the Lewis structure(s), predict the molecular/ion shape (eg. linear) , and the types of…

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Q: Is ethanol soluble in C6H12? Is Ethanol soluble in H20? Is ethanol polar or nonpolar?

A: The objective of the question is to find the solubility of ethanol in water and cyclohexane .

Q: 8,The following combination of signs for heat and work (respectively, heat first, work, next in the…

A: Gaining heat means heat is gained. This means reaction is endothermic. So, q is +ve.

Q: Use the following to calculate AH°lattice of MgF2. Mg(s) → Mg(g) AH° = 148 kJ F2(g) → 2 F(g) AH° =…

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