graph of melting temperature (°C) versus percent stearic acid by mass

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: WHY is one gram of salt in swimming pool of water could be considered a UNSATURATED solution ?

A: An unsaturated solution can be defined as the solution where the amount of solute that is dissolved…

Q: CuSO4•5H2O is a hydrate.  What happens to the water molecules in the hydrate during a dehydration…

A: A dehydration reaction is a type of condensation reaction. During the process of the combination of…

Q: calculate the mass of water that contains 10,000,000,000,000,000,000,000 molecules

A: Answer:- Firstly from the given number of water molecules, moles of water are calculated. then using…

Q: What is the solute and solvent of air samples?

A: shfoisjfd

Q: if everything is being equal, as molecular weight decreases does the boiling point?

A: Elevation of boiling point is given by:

Q: What is the mass percent of water in magnesium chloride hexahydrate?

A: Molecular formula of Magnesium chloride hexahydrate = MgCl2.6H2OFormula to calculate % of water:…

Q: How much 95% alcohol is needed to prepare 475ml of 80% alcohol?

A: Given: Concentration of stock alcohol solution = 95 % Concentration of final solution required = 80…

Q: theory of experience Solution Preparation (Solid State)

A: Solution is defined as a mixture of solute and solvent (water). When we mix solute like sugar or…

Q: CuSO4— 5H2O  NiCl2— 6H2O    MgSO4— 7H2O        What is the average percent of water in the…

A:

Q: What type of solution is formed when the maximum amount of solute is dissolved  in the given amount…

A: Saturated solution is a solution in which no more solute can be dissolved at the given temperature.…

Q: What will be the number of moles of water in 1 L volume of water?

A: In this question, we have to find out the correct answer of given problem by the help of Mole…

Q: What is the process by which sediment comes to rest

A:

Q: answer the following according to the question What is the mole fraction of WATER? What is the…

A: Here we are required to find the vapour pressure of a solution  Molar mass of glycerin =92.09g/mol…

Q: graph of melting temperature (°C) versus percent stearic acid by mass

A: The data given is,

Q: Calculate the mass (in g) of solute needed to prepare a solution with the given concentration and…

A:

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: What types of intermolecular forces are occurring between sodium dodecyl sulfate and water ?

A: sodium dodecyl sulfate structure is  CH3(CH2)11OSO3- Na+

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: Calculate the percent by mass of each component of this solution. Be sure each of your answer…

A: Applying concept of% w/W of solution.

Q: Define the term concentration?

A: To find: The definition of concentration

Q: Calculate the percent biomass of water in magnesium sulfate heptahydrate

A: Magnesium sulfate heptahydrate (MgSO4.7H2O) is also known as Epsom salt and it contains 7 molecules…

Q: What percent of water is in the compound magnesium sulfate hydrate

A: The chemical formula of magnesium sulfate hydrate is MgSO4.H2O. Its formula mass is 138.37 g/mol.

Q: what are conditions for formation of clathrates?

A: clathrates or Gas hydrates are one of the major marine energy resources.At high pressure conditions,…

Q: wing aqueous solutions should have the lowest boiling Next

A: Boiling point :-        The boiling point of a substance is the temperature at which the vapor…

Q: d) Calcium ions (Ca) are present at relatively low concentrations (~100nM) within the cytoplasm of…

A: The concentration of calcium ions in the cytoplasm is = 100 nM The number of calcium ions (molecule)…

Q: Chemicals                                           Amount Benzophenone…

A: In a chemical reaction the extent of progress of reaction depends on the limiting reactant. Complete…

Q: What is the mass percent of water in nickel(II) nitrate hexahydrate?

A: The compound given is nickel(II) nitrate hexahydrate. From the name we can see that the compound…

Q: What is the freezing point

A: freezing point is the temperature at which the liquid state is converted to its solid state when the…

Q: The slight negative charge at one end of one water molecule is attracted to the slight positive…

A: The attractive force that is mainly responsible for binding H atom of single molecule with…

Q: Is 50% by mass of methanol dissolved in ethanol different from 50% by mass of ethanol dissolved in…

A: Given, Solution 1: Mass % of methanol = 50% Solution 2: Mass % of ethanol = 50% Mass % means mass of…

Q: Professor Rowan is preparing for his experiment in Sinnoh Lab. The structures of the substances that…

A: A) Type of intermolecular forces can be determined from the atoms or groups present in the compound…

Q: How would the freezing and boiling points of distilled water and seawater compare? a. Both the…

A: Sea water have impurities in it and due to impurities its vapour pressure becomes less in comparison…

Q: What is the number of moles in 18 gram of water?

A:

Q: What will be the observation of melting point of ice with salt compare to ice only.

A: Depression of freezing point is a colligative property which depends upon the concentration of…

Q: What happens when soda bottles is open?

A: Carbonated drinks are defined as drinks that contain dissolved carbon dioxide in it. It's a soft…

Q: A salt shaker is filled with 55.0 g of sodium chloride. How me contain?

A: According to the definition of mole, mole of any species is the ratio of  it's weight with it's…

Q: What is the mass percent of water in magnesium sulfate heptahydrate?

A: Mass percent of water = (100 x Mass of water in one mole of compound)/Molar mass of compound…

Q: Volatile Liquid using The Dumas Method

A: Molar Mass Of the volatile liquid is 31.52g/mol.

Q: Professor Rowan is preparing for his experiment in Sinnoh Lab. The structures of the substances that…

A: London-dispersion forces are present in all the molecules. Dipole-dipole forces are present in…

Q: in the lab molar mass of a volatile liquid why is it not necessary to know the mass of the volatile…

A: Dumas method is used for the determination of the molecular weight of the unknown volatile organic…

Q: What percent of water is in the compound calcium sulfate dihydrate?

A: The formula of calcium sulfate dihydrate is CaSO4 x 2H2O Hence the molar mass of calcium sulfate…

Q: Choose one carboxylic acid that has applications in diagnostic tests, nutrition, or pharmacology.…

A: Carboxylic and their derivatives are widely used in daily life. It has uses in production of…

Q: draw the structure of benzoic acid and discuss how its structure affect its melting point

A: Benzoic acid is commonly used in food preservatives.

Q: The freezing point depression of a solution of glucose

A: Depreesion in freezing point (∆Tf ) and molaity (m) is related as  ∆Tf = i x Kf x m where  ∆Tf =…

Q: percent by volume

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the mass percent of water within the copper (II) chloride dihydrate?

A: What is the mass percent of water within the copper (II) chloride dihydrate?