When 2.55 g of sodium hydroxide (Mwt. = 40g/mol) is dissolved in 81.0 g of water in a coffee cup calorimeter, the temperature of the water rises from 21.02 oC to 29.44oC. Calculate the q for the dissolution of one mole of solute.

Q: In a constant‑pressure calorimeter, 65.0 mL of 0.350 M Ba(OH)2 was added to 65.0 mL of 0.700 M HCl.…

A: Given:65.0 mL of 0.350 M Ba(OH)265.0 mL of 0.700 M HCl.Ba(OH)2 + 2 HCl → BaCl2 + 2 H2O

Q: 0.700 moles of an unknown solid is placed into water to make 150.0 mL of solution. The solution's…

A: given data is moles of the sample is 0.700 moles  volume is 150.0ml solution temperature is…

Q: Zinc metal reacts with hydrochloric acid according to the following balanced equation:…

A: Given reaction is:    Zn (s) + 2 HCl (aq) → ZnCl2 (aq) + H2 (g)

Q: A 10.0 g solution of 0.05000 M aqueous NaOH was neutralized in a foam cup calorimeter with 10.0 g of…

A: Given: Mass of NaOH = 10.0 g Concentration of NaOH=0.0500 M Mass of HCl = 10.0 g Concentration of…

Q: When a 4.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A:

Q: In the following experiment, a coffee-cup calorimeter containing 100.0 mL of H2O is used. The…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: 8.56 g of MgSO4 is placed into 100.0 mL of water. The water's temperature increases by 6.70 °C.…

A:

Q: 25.0 mL of 1.00 M HCl at 23.5oC react with 25.0 mL 1.00 M NaOH in a styrofoam calorimeter whose…

A: The energy of a system is always conserved. The amount of heat released or absorbed by the reaction…

Q: When 1.00 L of 2.00 M Na SO, solution at 30.0°C is added to 2.00 L of 0.750 M Ba(NO), solu- tion at…

A: Calculate the enthaply change per mole of BaSO4 formed.To determine the number of moles of BaSO4…

Q: In a constant-pressure calorimeter, 55.0 mL of 0.300 M Ba(OH)₂ was added to 55.0 mL of 0.600 M HCl.…

A: Given data :

Q: 13.4gof NH4Clis dissolved in 150mLof water in a coffee-cup calorimeter, and the temperature of the…

A: moles of NH4Cl = mass / molar mass of NH4Cl                           = 13.4 g / 53.5 g/mol…

Q: A student determines the heat of dissolution of solid cobalt(II) sulfate using a coffee-cup…

A: Answer:The law of conservation of energy states that energy cannot be created nor destroyed and it…

Q: Zinc metal reacts with HCI according to the following balanced equation: Zn(s) + 2HCI(aq) -->…

A: Given : volume = 47.0 ml density = 1.03 g / ml specific heat = 4.184J /g°c temperature change of…

Q: reaction

A: Dear student this question is related to enthalpy change.

Q: art 1: Write the chemical equation obtained when reactions X and Y are added together to produce the…

A: Given : We have to calculate the delta H for the complete reaction.

Q: student determines the heat of dissolution of solid cesium bromide using a coffee-cup calorimeter of…

A:

Q: Potassium nitrate, KNO,, has a molar mass of 101.1 g/mol. In a constant-pressure calorimeter, 19.3 g…

A: In the given solvation process the temperature of the water is decreased. Hence the solvation…

Q: When 3.50 g of sodium hydroxide (NaOH) was dissolved in 150.00 g of water a value of 10.50oC was…

A:

Q: A app.101edu.co A Apps MyUSU O Outlook Canvas Labflow OneNote 101 Chem101 Tophat U USU Tutoring…

A: Given, Moles of an unknown solid = 0.700 mol. Volume of the solution = 150.0 mL. The density of the…

Q: A calorimeter contains 25.0 mLmL of water at 12.5 ∘C∘C . When 1.70 gg of XX (a substance with a…

A:

Q: When 50.0 g of an aqueous solution of reagent 1 at 24.1oC is added to 100.0 g of of an aqueous…

A: Calorimetry is a chemical process in which we find out the heat transfer associated with the change…

Q: Calculate AHryn in kJ/mol of NaOH, when 100 mL of 1.250 M NaOH is mixed with 100 mL of 1.000 M of…

A: Answer is explained below.

Q: None

A: Given reaction:X(NO3)2 (aq) + 2NaCl (aq)  →  XCI2 (s) + 2NaNO3 (aq) First, lets' calculate the moles…

Q: Zinc metal reacts with hydrochloric acid according to the following balanced equation: Zn(s) +…

A:

Q: When a 6.00 g sample of KSCN is dissolved in water in a calorimeter that has a total heat capacity…

A: Given,Mass of KSCN sample = 6.00 gHeat capacity of calorimeter = 3.74 kJ . K-1Decrease in…

Q: When 2.35g Mg(OH)₂ is added to 250.0 mL of water, the temperature of the water raises from 20.5°C to…

A:

Q: How much heat was absorbed by the solution?

A: For constant pressure calorimeter, we know that The heat absorbed by the calorimeter is given by…

Q: Suppose 23.00 g ammonium chloride (53.491 g/mol) dissolves in water in a calorimeter to form 100.00…

A: Given,Mass of ammonium chloride ( NH4Cl ) =23.00 gMolar mass of ammonium chloride ( NH4Cl ) =53.491…

Q: 150 ml of .350M HCl was mixed with 150 mL of .350 M NaOH in a calorimeter of negligible heat…

A:

Q: Assume you mix 100.0 mL 0.200 M CsOH with 50.0 mL 0.400M HCI, the temperature of the combined…

A: The balanced equation is: HCI(aq) + CsOH(aq) → CsCI(aq) + H2O(l) Since all the coefficeints are 1,…

Q: A student determines the heat of dissolution of solid potassium hydroxide using a coffee-cup…

A:

Q: A student determines the heat of dissolution of solid magnesium chloride using a coffee-cup…

A: Heat evolved Q = m . s . (T2 -T1) Heat of dissolution = Q/n Where, n = number of mol of solute

Q: When a 7.00 g sample of RbBr is dissolved in water in a calorimeter that has a total heat capacity…

A:

Q: A generic solid, X, has a molar mass of 84.9 g/mol.84.9 g/mol. In a constant‑pressure calorimeter,…

A: Given data: Molar mass of X = 84.9  g/mol In a constant-pressure calorimeter, 13.0 g of X is…

Q: Explain why and how (higher or lower) the temperature will be different.

A: Step : 1              Explain why and how (higher or lower) the temperature will be different.

Q: Considering the limiting reactant, how much heat is produced at constant pressure if 0.243 g of…

A: