7. A 0.1375-g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat capacity of 3024 J/ °C. The temperature increases by 1.126 °C. Calculate the heat given off by the burning Mg, in kJ/g and in kJ/mol.

Q: A regular solution is the same as a dilute solution O True O False

A: Here we need to distinguish between regular and dilute solution. In binary solution, the component…

Q: Which microscopic representation best represents a solution?

A: A homogeneous mixture in which two or more substances are mixed is termed as a solution. We have…

Q: Identify the solutes and solvents in the following solutions. (a) 80-proof ethyl alcohol (40%…

A: The solutes and solvents in the following solutions has to be given,

Q: draw an atomic/molecular level representation of what you think the solute (KI) looks like before…

A: The solute KI is an ionic compound. An ionic compound is also known as salt.

Q: What mass of MgCl2 is required to prepare 500.0 mL of 0.100 M solution?    using dimensional…

A:

Q: The concentration of a solution is a microscopic property O True False *

A:

Q: Describe how to prepare 100.00ml of a 0.250M sodium chloride solution using sodium chloride powder.

A: Volume of solution = 100 mL OR 0.1 L

Q: compare and contrast a saturated and a supersaturated solution

A: Saturated solution = A saturated solution is a solution which cannot dissolve anymore amount of…

Q: Suggest a method of separating the components of a solution containing ethanol and methanol

A: We are given solution of ethanol and methanol.

Q: A homogeneous mixture is made by dissolving 7.54 grams of solid bromine in 1000 g of water. This is…

A: A Solvent is that component which has greater mass And a solute is the component which has the…

Q: How can you specify the solution as unsaturated or saturated?

A: Saturated and unsaturated solutions

Q: What is an electrostatic attraction and how can you tell if an unknown substance that is soluable in…

A: We have asked to explain electrostatic attraction and how will you decide whether the water soluble…

Q: Raferences Indicate whether each of the following statements about the general properties of…

A: The homogeneous mixture of two or more substances is known as a solution. The substance present in a…

Q: Which component of the solution which being described below? it identifies the

A: Solution is the Homogeneous mixture of two or more substances.  it identifies the nature of the…

Q: 2ml of water is added to 4g of a powdered drug.The final volume is 3ml.Find the mass by volume…

A:

Q: A vat holds 2.25(10) kg of a 22.0% solution of ethylene glycol and water, How much must be drained…

A:

Q: Calculate the morality of a 45.8 percent (by mass) aqueous solution of sodium chloride

A: mass % of the Sodium chloride solution = 45.8 %Molality of the solution = ?Note: Molar mass of…

Q: How to prepare a dilute solution?

A: Dilution The dilution process is the process to change (decrease) the concentration of solution in…

Q: A certain brine has 3.87% NaCl by mass. A 75.0 mL sample weighs 76.9 g. How many liters of this…

A: The objective of the question is to find out how many liters of a brine solution, which contains…

Q: A solution made from 105 mL of isopropanol in 145 mL of water has what volume percentage of…

A:

Q: What amount of 0.38 M solution can be made from a296mL 4.65 M solution?  Answer should be in L…

A: Given, The amount of 0.38 M solution can be made from a296mL 4.65 M solution is:

Q: A solution is made by addinh 50 mL of ethanol to 180 mLof water. Calculate the percent by volume.

A: The volume of the solute(ethanol)= 50 mL The volume of the solvent(water0=180 mL Therefore, the…

Q: How is a concentrated solution different from a dilute solution?

A: A concentrated solution has higher amount of solute present in the solvent than that of a dilute…

Q: How many 0.5 g tablets of aluminum acetate are needed to make 1250mL of 1:500 aluminum acetate…

A: Mass of each tablet = 0.5 g

Q: What types solute are able to change the electrical conductivity and the osmolarity as well?

A: In this question we are asked to explain the effect of different types of solute on electrical…

Q: . A homogeneous mixture is called a solution. Give an example of a solution with no liquid.

A: A homogeneous mixture is called a solution.  The term solution is commonly applied to the liquid…

Q: Which two statements are correct? a) The normality of the K2Cr2O7 solution is 0.41 N b) The…

A: When dichromate ion in acidic medium, treated with ferrous ion, then Ferric ion and chromium (III)…

Q: 0.500 grams of potassium iodate and excess of KI was titrated with 100.0 mL of thiosulfate solution…

A: The balanced chemical equation for the reaction is: IO3- + 5I- + 6H+ → 3I2 + 3H2O From the equation,…

Q: A concentrated salt solution has a mass of 5.22 g for a 5.00 mL sample.  What is the specific…

A: A numerical problem to find the specific gravity, which is to be accomplished.

Q: Calculate the volume in liters of a 0.21M potassium permanganate solution that contains 400 mmol of…

A: The volume of potassium permanganate in liters is = 1.9 L

Q: alculate the mass percent of a solution made from 15.5g of NaCl and 375.4g of H2O. Please be sure to…

A: When solute and solvent are mixed, they form a solution.

Q: What is the freezing point of a solution that contains 1.2 mol Ki dissolved in 1.00 kg of water?…

A:

Q: Calculate the volume percentage of solution F

A: Given :- volume of methyl alcohol = 50 ml  Volume of water = 200 ml  To calculate :- volume…

Q: What is the percentage by mass of a solution made by dissolving 14.8 g of sodium surface in 23.1 g…

A: Given mass of sodium sulfate = 14.8g mass of water = 23.1 g

Q: The total mass of a solution is 182.8 g. The solvent mass is 125.2 g. What is the mass percent of…

A:

Q: We dissolve 2.15 g of sugar in 260.9 g water.  What is the mass percent of sugar in the solution?

A:

Q: Which type of concentration is calculated when the grams of solute is divided by the grams of the…

A: Given Formula  Formula = grams of solutegrams of solution ×1000000 Type of concetration calculated =…

Q: For the solution, three grams of potassium chloride (KCI) are combined with one hundred grams of…

A: We know the formula of the mass percent is : => mass percent = (mass of solute / mass of solution…

Q: A) Diethyl Ether + Methylene Chloride B) Diethyl Ether + Water O C) Water + Dodecanol D) Methylene…

A: The solubility of a compound depends on the nature of the solute and the solvent. If the nature of…

Q: 2. A solution made by adding 1.63 g of K2S (MM-110.3 g/mol) to 10.0 mL of H2O has a volume at 20°C…

A: Given a solution with its volume and amount of solute dissolved in water.we are asked to calculate…

Q: How much stock solution AND water is needed to dilute a 2.5M solution onto a 350mL 0.75M solution?

A:

Q: Calculate the volume in liters of a 0.232M potassium dichromate solution that contains 150. g of…

A: The number of moles of potassium dichromate, K2Cr2O7, equivalent to 150 g of potassium dichromate,…

Q: Convert a solution of methanol in ethanol that is 5.23m to mass percent

A: Molality: The number of moles of the solute dissolved in one kilogram of the solution is known as…