Item 22: Question Which will not result in a deviation from Beer's law? molecular interactions between analyte molecules polychromatic radiation from the source stray light reaching the detector O a dilute sample solution

Q: Part 4: Hess's Law a. Mass of NaOH dissolved (g) 0.3434 b. Mass of calorimeter (g) c. Mass of…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: How many calories of heat are produced or absorbed when a solution of HF and KOH are mixed resulting…

A: Given: Mass of solution= 42.0 gInitial temperature, Ti = 22.5°CFinal temperature, Tf =…

Q: Which of the following is true about enthalpy changes when a salt dissolves in water? if the…

A: Enthalpy of the reaction changes when heat is absorbed or released from the reaction.

Q: To determine the solubility of a solute in water, a solution must be prepared that is saturated.…

A: The type of solution that is used to determine the solubility of a solute in water is given below.

Q: 29. Do H, and O, (AG is -57 kcal/mol) react spontaneously to make water? Why or why not? What…

A: It is given that the free energy is -57 kcal/mol.

Q: when hydrogen and oxygen are burned to produce water. heat is produced at 58 kcal mol of water. A…

A: We are given with the heat produced for 6.02×10-23 molecules = 58 KCal. So , to find heat produced…

Q: Y Part A You have prepared a saturated solution of X at 20 °C using 43.0 8 of water. How much more…

A:

Q: 8. What volume of 0.200M HI is needed to neutralize 65.0 g NaOH? c. 13.0 L d. 8.12 L a. 0.325 L b.…

A: Given,0.200 M HI,65 g of NaOH

Q: reactions?     a.The enthalpy of products in endothermic reactions is lower than the enthalpy of…

A: Applying concept of endothermic reaction.

Q: 3. Calcium chloride is an ice-melting compound used for sidewalks and streets. Explain in scientific…

A:

Q: You add solute to a solution and notice that all the solute crystallizes. The original solution was…

A: Saturated solution: A saturated solution is a solution that contains the maximum amount of solute…

Q: A solution is prepared by mixing 694.0 mL of ethanol with 506.0 mL of water. The molarity of ethanol…

A: Given that the solution is made by mixing 694.0 mL of ethanol and 506.0 mL of water.

Q: 1.If your temperature changes from 20oC to 25oC—how much change is there in the mass of a 10.00 mL…

A: 1. Initial temperature(T1) = 20°C                              Final temperature(T2) = 25°C Initial…

Q: Sodium Chloride has a latice energy of -787 kJ/mol and a heat of hydraion of -774kJ/mol. How much…

A: Enthalpy of given solution can be determined using the equation given below:

Q: Discuss how the water in a dam converted its energy. What happens to this energy after conversion?

A: Hydroelectric power is a renewable energy source which uses the power of moving water to produce…

Q: Consider the generic compound MX3. M3+ is the metal cation and X– is the nonmetal anion. A. Balance…

A: To write the reaction from i through vii, we would use the given reaction process names.  i.) For…

Q: a students dehydration experiment with the hydrate of copper (ii) sulfate yielded a blue sample…

A: On the heating of copper (II) sulfate , it breaks down to form a white powder of anhydrous copper…

Q: Which is better for removing ice in sidewalks during winter: NaCl or CaCl2? with calculations.

A: Calcium Chloride (CaCl2) is always, definitely, best source is removing ice from sidewalks. We can…

Q: When hydrogen and oxygen are burned to produce water, heat is produced at the rate of 58 kcal/mole…

A: Given, 1 mol H2O = 6.022 ×1023 molecules  Heat produced = 58 Kcal/mol

Q: How do I convert 3485.5 K cal to Joules?

A: The conversion of 3485.5kcal to calories is as follows:

Q: 7. Using specific heat as your justification, why is the poolside concrete hotter than the pool…

A: Cement may be a solid, comparatively dark (compared to polished metal), and a comparatively…

Q: When hydrogen and oxygen are burned to produce water, heat is produced at the rate of 58 kcal/mole…

A: Given: Heat produced per mole of water = 58 Kcal/mol of water. And 1 mole of water contains = 6.02 ×…

Q: You desire a sweeter tasting Kool-Aid. You've already saturated the Kool-Aid with sugar. In order to…

A: Given : The solution is already saturated with sugar.

Q: What is the sensible h

A: by addition of heat to a object its temperature rises, the increase in heat is called "sensible…

Q: Note: your answer should be in the form of one or more fractions multiplied together. kJ J -9.0 x…

A: The missing parts in the question can be filled by doing the following conversion,

Q: what can be concluded from the fetermining the heats of solution of different compounds like NaOH,…

A: Heat of solution: Heat of solution is the Enthalpy change associated with the dissolution of a…

Q: Calorimetry measures the heat transfer for chemical reactions. Find two foods n your house that you…

A: Mass of food = 2 g  Volume = 5L

Q: 38. A public water supply was found to contain 1 part per billion (ppb) by mass chloroform, CHCI 3.…

A:

Q: 11. Given the equation: N₂(g) + 2 O2(g) → 2 NO₂(g), AH = 68 kJ Which of the following is correct?…

A:

Q: 2.What happens to the average kinetic energy of the water molecules in your body when you have a…

A: 2. Given information,       Average kinetic energy of the water molecules in your body when you have…

Q: In which scenario is water the solvent? a. Seven drops of water added to 27.5 g of salt b. 12.8 mL…

A: Given, which scenario, water act as solvent?

Q: When 3.02 g of NH4Cl  is dissolved in enough water to make 20.05 mL of solution, the temperature…

A: To find enthalpy change, first find q of reaction by using formula of q. Then divide the calculated…

Q: How much energy (in kJ) is released when 69.0 g of oxygen difluoride decompo Answer kl (enter a…

A:

Q: How to find the theoretical yield of camphor and percent yield of camphor? show the steps. Mass of…

A: The objective of the question is to calculate-The Theoretical YieldThe Percent Yield

Q: How much heat is absorbed by liquid water that weighs 270 grams as it is heated from 35˚C to 105˚C?…

A: Water absorbs Heat energy to elevate temperature from an initial value to a final value. This…

Q: *Assume a density of 1.00g/mL and a specific heat of 4.184 J/g°C for these aqueous solutions. 3. The…

A: The heat absorbed/released during a reaction is given as:Q = m.Cp.∆T where, Q = heat absorbed/…

Q: Is dissolving AgNO3 in water an exothermic or endothermic process? What about dissolving MgSO4 in…

A: A chemical reaction in which heat energy is released is called exothermic reaction. Enthalpy is…

Q: application of hess's law to pharmacy

A: Hess' Law can be used to determine the total energy required for a chemical reaction. This can be…

Q: 1. The thermochemical equation showing the formation of ammonia, NH, from its elements is Nalg) +…

A:

Q: The reaction shown below represents the formation reaction of water. 2 H2 (g)   +   O2 (g)   →   2…

A: The solution is as follows :

Q: EtO 1. NaOEt, EtOH 2. CH3CH₂1 OEt H30+, Heat

A:

Q: ORT SHEET Heat of Neutralization EXPERIMENT elemsboomfchg lom 12 A. Heat Capacity of Calorimeter 1.…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: How many grams of water can be formed in completely burning 5 mol of propane (C5H12)? (Hint: Write…

A: Mass of Water formed in completely burning of 5 mol of Pentane (C5H12) can be calculated as -

Q: 6. An enthalpy change is a. the difference in the kinetic energy of the reactants and the products…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Analytical Tools

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