How much heat must be absorbed by 375 grams of water to raise its temperature by 25°C? Show solution and choose from the choices below:       3.9 X 10 4 J       2.8 X 10 4 J

Q: Calculate the mass of KOH in grams required to prepare 5.00 x 103 mL of a 2.50 M solution. [KOH =…

A: Given, mass of KOH = 5.00 x 103 g Molar Mass = 56.1 g/mol Volume of Solution = 2.50 L  Mass of KOH…

Q: When 2.3 moles of CCl4 and 2.3 moles of C6H6 are mixed, which is the solvent?

A:

Q: The freezing point of water is 0.00°C at 1 atmosphere. A student dissolves 13.35 grams of ammonium…

A: Given, freezing point of water = 0.00 °C            mass of solute, ammonium phosphate = 13.35 g…

Q: In an ionic compound, the size of the ions affects the internuclear distance (the distance between…

A: Given compounds are RbCl RbBr RbI RbF We have to arrange the given compounds in order of their…

Q: Seawater consists of many important elements in the form of salts dissolved in the water. At 25°C…

A: #Q.1: Mass of seawater, m = 1000.0 g * 1 Kg1000 g = 1.000 Kg density of seawater, d = 1.024 kg/L

Q: A glucose solution in water contains 26.00 percent by mass glucose. The density is 1.24 g/mL. What…

A:

Q: In your own words, explain why water is known as the "universal solvent." Answer in complete…

A: Water is known as the universal solvent because it has the ability to dissolve a wide range of…

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of barium acetate (255.4…

A:

Q: What mass of NaOH is required to prepare 250.0 g of solution that is 8.00% w/w NaOH?

A: Given data is as follows: The mass of the solution = 250.0 g The mass percent (w/w) of the solution…

Q: The boiling point of benzene, C6H6, is 80.1°C at 1 atmosphere. One nonvolatile, nonelectrolyte that…

A: Kb = 2.53oC/mmass of DDT = 15.67 gmolar mass of DDT = 354.476 g/molT(solvent) = 80.1oCi = 1 as the…

Q: Determine the specific heat of a 2.58 g/mL block at 100 °C that causes the level of 0 °C water to…

A: The specific heat of the block is given by the formula, Specific heat =Heat released by the…

Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of zinc chloride (136.3…

A:

Q: Calculate the molarity of a solution containing 2.4 moles of NaCl in 2065 ml of solution? O 1.16 M O…

A: Molarity = moles/volume of solution in L

Q: How much MgCl, must you dissolve in water to prepare 20 mL of a 2.0 M solution?

A:

Q: A chemist wants to make 5.5 L of a 0.330 M CaCl2 solution. Part A What mass of CaCl2 (in g) should…

A: Generally molarity is calculated by using following equation.

Q: How many grams of Ca(NO3)2 is needed to prepare 475 mL of 2.25 M solution? Atomic mass: Ca = 40.08 N…

A: Given that , Volume of Ca(NO3)2 = 475 mL = 0.475 L concentration =2.25 M Atomic mass of Ca=40.08…

Q: You have a stock solution of 20% (w/w) Triton X-100, a viscous detergent often used to permeabilise…

A: 20%(w/w) means that 20 g of solute in the 100 g solution. Volume of the solution is, Volume = mass ÷…

Q: Show the complete solution. 1. 3H2 (g) + O3 (g) → 3H2O 2. N2O (g) + NO (g) → 3NO 3. CaC2  (s) +…

A: 1. 3H2 (g) + O3 (g) → 3H2O 2. N2O (g) + NO (g) → 3NO3. CaC2  (s) + 2H2O (l) → Ca(OH)2 (s) + C2H2 (g)

Q: What mass of glucose (C6H12O6) is contained in 75.0 mL of a 2.00 M glucose solution? 0.150 gg 6.76…

A: Calculate number of moles of: 1 L = 0.001 mL

Q: What masses of sodium chloride, magnesium chloride, sodium sulfate, calcium chloride, potassium…

A: To determine the masses of each compound needed to produce 1 L of artificial seawater with the given…

Q: Which of the following ionic compounds will be the least soluble in water? PBF2, Ksp = 3.3 x 10 8…

A: The equilibrium between the soluble ions and insoluble salt can be described by the solubility…

Q: 4. Which of the following solutions would have the highest boiling point? 0.070 M LiBr(aq) Ca(NO),…

A: The colligative properties are those properties of solutions that depend on the number of solute…

Q: When 96.64 grams of fictional compound X is added to water to make 331.6 grams of solution, the…

A: Given the mass of fictional compound X = 96.64 g The mass of water m = 331.6 g The specific heat…

Q: What is the boiling point of a solution that contains 18.7 grams of CCl4 dissolved in 177 grams of…

A: To determine the boiling point of the solution, we first need to calculate the molality of the…

Q: For the formation of 2.33 mol of water, how many moles of nitric acid are needed? Al2O3 + HNO3 →…

A: Given- Reaction Al2O3 + HNO3 → Al(NO­3)3 + H2O To find- Moles of nitric acid are needed for the…

Q: The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 14.52 grams of calcium…

A: Given: Mass of calcium acetate =14.52 g Mass of water=156.5 g=0.1565 kg Kb of water =0.512°C/m.  The…

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of aluminum chloride (133.3…

A:

Q: How many grams of water are required to react with 70.0 grams of Nitrogen dioxide? 3 NO2 + H20 -->…

A: Given reaction is, 3 NO2 + H20 --> 2HN03 + NO Mass of NO2 = 70.0 g Molar mass of NO2 = 46.0055…

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

A:

Q: 6. What mass of Ba(IO3) can be dissolved in 500.0 mL water at 25°C? Kap=1.57 x 10.⁹

A: Answer:- Firstly a dissolution equation is written for the given salt. Then using the value and…

Q: Hexane, C6H14, is a nonpolar solvent. From the list of chemicals below, select the compound that is…

A: Given, Hexane (C6H14) is a non-polar molecule. It means the net dipole moment of the molecule  is…

Q: The solution of KCl in water is represented as: KCl(s) K+(aq) + Cl- (aq) If we have that the…

A: Lattice energy - Energy released during the formation of one mole of ionic compound from its…

Q: In which of the following aqueous solutions would the generic salt AB(Ksp= 6.3*10^-6) have the…

A: Solubility of salt can be determined using Ksp value of salt.

Q: Is water is really a universal solvent?

A:

Q: The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 11.57 grams of…

A:

Q: What volume of 4.0 M NaCI must be diluted to prepare 10.0 L of 0.1 M NaC? 25 L O 0.4 L 2.5 L O 0.25…

A:

Q: Which of the following has the lowest freezing point? O 0.150 m KCI 0.150 m NaCI 0.150 m NaOH 0.150…

A: We have to predict Solution having lowest freezing point.

Q: The freezing point of water is 0.00 °C at 1 atmosphere. How many grams of iron(III) bromide (295.6…

A: The formula of the depression in the freezing point is  = ..............(1)Where, the ∆Tf is the…

Q: For the formation of 7.51 mol of water, how many moles of nitric acid are needed? Cu + HNO3 →…

A:

Q: A student dissolved 5.00 grams of ammonium chloride in 95 mL of water. The water temperature went…

A:

Q: When 59.59 grams of fictional compound X is added to water to make 330.6 grams of solution, the…

A: Given that, the mass of the fictional compound added = 59.59 grams. And the mass of the water =…

Q: Which of the following substances would you expect to NOT be soluble in water? AgNO3…

A: According to solubility rules,(1) All nitrates are soluble. So, AgNO3 is soluble.(2) All sulfates…

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of silver acetate (166.9…

A: Answer:- This question is answered by using the simple concept of elevation in boiling point. Using…

Q: What is the freezing point of a solution prepared by dissolving 14.270 g calcium nitrate in 108.800…

A:

Q: How many grams of KCl are contained in 824 mL of a 1.49 M KCl (MW=74.55 g/mol) solution?

A:

Q: What are the essential requirements of domestic water? Enumerate the various steps involved in the…

A:

Q: Why aeration is important in water treatment? Why Coagulation as a chemical tool is important in…

A: Introduction :  Water treatment is a process of removing unwanted chemicals , pollutants from the…