sThe enthalpy of solution for solid KClO3 is 41.4 kj/mol If certain amount of solid potassium chlorate is dissolved in water , should the temp of the solution increase/decrease?   It's decrease by I dont know why and no calculation is required.

Q: what is the precent mass of oxalat in (K3Fe(C2O4)3·3H2O, 491.3 g/mol)?

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Q: 13.6 g of solid ammonium nitrate (NH4NO3, molar mass 80.052 g/mol) is dissolved in 120 mL of water.…

A: Heat of solution is Calculated using formula:   ∆Hsolution  = - q / n  Where , q = heat of solution…

Q: A solution of Toluene (C7H8) in 301 g of Cyclohexane (C6H12) has a boiling point of 90.30 °C. What…

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Q: Joules Using the data below, calculate the heat of dissolution, AHsoln, in units of Assume the…

A: In the given question we have to calculate the Heat of dissolution (∆Hsoln)  first of all, we have…

Q: The boiling point of pure ethanol (C₂H₅OH, MM = 46.07 g/mol) is 78.4 °C. A solution is made using…

A: Given,  Boiling point of pure ethanol = T0b = 78.4 °C  Mass of solvent, ethanol = 100.0 g  Mass of…

Q: A sample of an ionic compound is dissolved in water and the water gets warmer. What is  acting as…

A: In thermodynamics, a system is defined as a part of the universe that is being studied, while the…

Q: he lattice energy of NaBr is -752 kJ/mol. When 0.7322 g of NaBr is dissolved in water, 0.00427 kJ of…

A: lattice energy = -752 KJ/molmass of NaBr= 0.7322 gheat released = 0.00427 KJenthalpy of hydration =…

Q: How many grams of CH3OH (MM=32.04 g/mol) would need to be added to 200.1 g of water in order to…

A: Molality is calculated.

Q: 13.6 g of solid ammonium nitrate (NH4NO3, molar mass 80.052 g/mol) is dissolved in 120 mL of water.…

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Q: Sodium Lactate, anhyd. Water for Injection ad Ing 560 mg 100 mL The pediatric infusion rate for…

A: Molecular weight of potassium acetate = 98.14g/mol

Q: What is the freezing point of a solution that is made by dissolving 91.9 grams of potassium bromide,…

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Q: (Q68) What mass (in grams) of ethylene glycol (C2H,O2) must be added to 1,312 grams of water to…

A: Solution is made up of solute and solvent . Solue is present in small amount and solvent is present…

Q: (a) At a temperature of 45 ºC, will a solution made with 13.37 g KNO3 in 15.0 g water be saturated…

A: A). According to the solubility chart, At 45 °C  mass of KNO3 soluble in 100 g of water = 71 grams.…

Q: (Q65) Calculate the vapor pressure (in torr) at 30°C of a solution containing 120.4 grams of the…

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Q: The boiling point of pure ethanol (C₂H₅OH, MM = 46.07 g/mol) is 78.4 °C. A solution is made using…

A: To calculate the elevated boiling point of glucose and ethanol solution.

Q: One beaker contains 25 mL of 1.60 M HCL, and a second beaker contains 58 mL of 0.40 M NaOH. Both…

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Q: What minimum temperature is required to dissolve 24gof potassium nitrate in 40 g of water?

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Q: Ethylene glycol CH2(OH)CH2(OH) is a common automobile antifreeze. Calculate the freezing point and…

A: Given that: Mass of ethylene glycol = 343 g Mass of water = 1055 g = 1.055 kg Kb of water = 0.52…

Q: What mass of glycerin (C3 Hg O3), a nonelectrolyte, must be dissolved in 200.0 g water to give a…

A: Given: Freezing point depression (f) = 0 -(-4.20) = 4.200C Molar mass of glycerine (M2) = 92.094…

Q: Calculate the final temperature of the resulting solution

A: Use heat conservation method Heat released by neutralization reaction + heat released by Ice(-60 to…

Q: A solution made by dissolving 173.0 g of an unknown compound in 650.0 mL benzene to make a solution…

A: Depression of freezing point is a colligative property and this is proportional to molality of the…

Q: A 0.194-g sample of a nonvolatile solid solute dissolves in 9.82 g of cyclohexane. The change in the…

A: The question is based on the concept of solutions. depression is freezing point is a colligative…

Q: [Review Topics] [References] Use the References to access important values if needed for this…

A: Two questions based on concentration terms. One is the molar mass of solute dissolved in water and…

Q: A certain liquid x has a normal freezing point of -9.80 °C and a freezing point depression constant…

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Q: Nicotinamide is a water-soluble nonelectrolyte vitamin important in metabolism. Addition of 3.88 g…

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Q: What is the predicted value of i for NaCl?

A: The van 't Hoff factor is a measure of a solute's effect on colligative qualities such osmotic…

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of…

Q: Use the provided chart for this question. What is the minimum temperature required to dissolve at…

A: The solubility curve given is,

Q: How many grams of sucrose (C12H22011) must be added to 597 g of water to give a solution with a…

A:

Q: What mass of a nonvolatile molecular substance (MM = 50.0 g/mol) must be added to 500 g H2O to…

A: We have to predict the mass of non volatile substance.

Q: The boiling point of pure ethanol (C₂H₂OH, MM = 46.07 g/mol) is 78.4 °C. A solution is made using…

A: we have to calculate boiling point of the glucose-ethanol solution

Q: What molality of NaCl is required to increase the boiling point of 500 g of water to 105°C? (K, is…

A: Given: The boiling point of the solution = 105°C Mass of water = 500 g Standard data: Kb for…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.