Which of the following constants is/are needed to calculate the amount of ener required to heat 70.5g of H20(s) at –35.0°C to H;O(I) at 65.0°C? . ΔΗ fus (H,Ο) . ΔΗ vap (H,) III. specific heat of H20(s) IV. specific heat of H;0(I) V. specific heat of H20(g)

Q: What mass of water need to evaporate from your skin in order to dissipate 170,000 J of heat from…

A: Given data heat dissipate : q = 170000 J  =  170.000 KJ H2O (liq) →H2O (g)           ∆Hv=40.7…

Q: The combustion of 0.7523 g of the compound, C3H603(Molar mass = 90.08 g/mol) raises the temperature…

A: Recall the given reaction,                         C3H6O3 l  +  9/2 O2 g  →  3 CO2 g  +  3 H2O…

Q: A 30.14-g stainless steel ball bearing at 117.82°C is placed in a constant-pressure calorimeter…

A: In this process, the heat absorbed by the water is equal to heat release by the stainless steel…

Q: How much heat is rel;eased to the surroundings when 5.00g of CO2 is produced according to the…

A: .reaction given in question states that 2220 kj energy released in production of 3 moles of CO2 .…

Q: Consider the dissolution of CaCl2 : CaCl2 (s) → Ca2+ (aq) + 2CI- (aq) ΔH = -81.5 Kl  An 11.0-g…

A: Given: mass of CaCl2 = 11.0 g. mass of water = 125 g Initial temperature = 25 °C  Specific heat…

Q: a) What is the molar heat capacity of liquid water?   J/mol oC (b) What is the heat capacity of…

A: Heat capacity is the heat absorbed by fixed amount of respective substance.

Q: heat in cal

A:

Q: Calculate how much heat 32.0g of Iron (Fe) absorbs when it is heated from 25oC go 80oc. How many…

A: Heat is absorbed by a system to raise its temperature. During this process there can also be a…

Q: Part of the industrial recovery of elemental zinc from the zinc sulfide ore is by roasting: ZnSja +…

A:

Q: If 40.0 g of hot water at 80.0oC is added to 60.0 g of cold water at 20.0oC, what is the final…

A: The final temperature is 44 oC

Q: 5.115 A quantity of 50.0 mL of 0.200 M Ba(OH)2 is mixedwith 50.0 mL of 0.400 M HNO3 in a…

A: The balanced chemical equation is given as, BaOH2(aq)+2HNO3aq→BaNO32aq+2H2Ol The required amount of…

Q: If a 74.6 gram piece of copper is heated to 100.0oC and then put into a vessel containing 250.0 mL…

A:

Q: CJ the ChemCat (#instainfamous) is at it again. In typical cat fashion, she resorts to knocking over…

A: The relation between the heat transferred (Q), mass of the substance (m), specific heat capacity ‘c’…

Q: A 140.0 g sample of water at 25.0°C is mixed with 100.0 g of a metal at 100.0°C. After thermal…

A: The change in energy of a system is given by,

Q: A common laboratory reaction is the neutralization of an acid with a base. When 17.5 mL of 0.500 M…

A:

Q: A 100.0-g sample of cold water at 20.0oC is added to a warm water of unknown mass at 65.0oC. If the…

A: Given information is as follows: The mass of sample of cold water = 100 g The initial temperature of…

Q: Part C at A piece of metal weighing 5.50 g at a temperature of 47.8 °C was placed in a calorimeter…

A:

Q: A sheet of gold weighing 10.0 g and at a temperature of 18.0°C is placed flat on a sheet of iron…

A:

Q: MYSTERY METAL (3) Mass o F EMPIY cup 4.0g Mass of cuptwater 64:0g Mass of waler bg 64.0g 4.0g 60g…

A: Given; Mass of water (mw) = 60 g Mass of Mystery metal (mm)= 5.4 g Temperature water before adding…

Q: A solution of AgNO3 (100.0 mL, 0.300 M) reacts with a solution of HCI (100.0 mL. 0.300 M) in a…

A: Given that : The volume of AgNO3=100.0 mLThe molarity of AgNO3=0.300 MThe volume of HCl=100.0 mLThe…

Q: Consider the dissolution of CaCl₂: CaCl₂(s) → Ca²⁺(aq) + 2Cl⁻(aq) ∆H = -81.5 kJ/mol A 15.0-g sample…

A: Heat capacity is equal to the amount of heat required to raise the temperature by 1oC of 1g of…

Q: 15.5a of an nknown. metal at 8l6.30°C .5 placed.in 50a at 7.60°C, The waters temparature is measured…

A: Given mass of unknown metal = 15.5 g Initial temperature of metal = Ti = 86.30 0C Final temperature…

Q: Which of the following statements is/are true? I. q (heat) is a state function because ΔH is a state…

A: State function is independent of the path of transformation.  Heat increase/decrease = m×s×dt Where…

Q: Need help with #4

A: The balanced reaction taking place is given as, => CuSO4 + 2 KOH  → K2SO4 + Cu(OH)2  Given:…

Q: In a coffee-cup calorimeter, 140.0 mL of 1.1 M  NaOH and 140.0 mL of 1.1 M  HCl are mixed. Both…

A: The reaction is HCl + NaOH -----> NaCl + H2O The moles of reactants are calculated first. This…

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: When 51.96 grams of fictional compound X is added to water to make 348.0 grams of solution, the…

A: Mass of compound X is = 51.96 g Molar mass of compound X is = 92.68 g/mol Specific heat of solution…

Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/(mol…

A: A calorimeter is a device which is used to calculate heat released or absorbed by the system and…

Q: Consider the dissolution of CaCl2 : CaCl2 (s) → Ca2+ (ag) + 2 C1-(ag) AH = -81.5 kJ An 11.7-g sample…

A: ΔH = -81.5 kJ of 1 mol CaCl2 Molar mass of CaCl2 = 110.98 g /mol Moles of CaCl2 present in solution…

Q: A piece of zinc at 20.0°C that weighs 60.0 g is droppedinto 200.0 g water at 100.0°C. The specific…

A: The final temperature reached by the zinc and the water has to be calculated,

Q: In a coffee-cup calorimeter, 130.0 mL of 1.0 M  NaOH and 130.0 mL of 1.0 M  HCI are mixed. Both…

A: Q = m . s . (T2 - T1) DeltaH = Q/Number of mols of HCl or NaOH

Q: Ethanol 1C2H5OH2 is blended with gasoline as an automobilefuel. (a) Write a balanced equation for…

A: a.

Q: Two solid objects, A and B, are placed in boiling water and allowedto come to the temperature of the…

A: a). Larger heat capacity:

Q: Consider the following thermochemical reaction for kerosene: 2C12H16 (l) + 37O2 (g) → 24CO2 (g) +…

A:

Q: In a coffee-cup calorimeter, 110.0 mL of 1.1 M NaOH and 110.0 mL of 1.1 M HCl are mixed. Both…

A:

Q: When 5.70 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: In a coffee-cup calorimeter, 110.0 mL of 1.3 M and 110.0 mL of 1.3 M are mixed. Both solutions were…

A:

Q: The optimum drinking temperature for a Shiraz is 15.0 °C. A certain bottle of Shiraz having a heat…

A:

Q: In a coffee-cup calorimeter, 130.0 mL of 1.1 M  NaOH and 130.0 mL of 1.1 M  HCl are mixed. Both…

A: Find total volume then find total mass  And use Q=mcdltaT

Q: 16. A 2.00g sample of methanol is burned. The energy released is used to heat a 10.0g block of ice…

A:

Q: On a 5 day wilderness expedition you'll need to heat 4.0 kg of water to the boiling point each day.…

A: Given: number of days = 5 mass of water needed each 1 day = 4.0 kg mass of water needed each 5 day =…

Q: A 3.971 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: The total heat can be calculated as,

Q: COPPER Mass of EMPTY Cup 4.0g Mass Of Cupt whater 64.09 Mass of water 64.0g 4.0a Mass of COPPER…

A: Given : Mass of water = 60.0 g Mass of metal i.e copper = 17.92 g Initial temperature of water =…

Q: heat in cal

A:

Q: A sample of 0.562 g of carbon is burned in oxygen in a bomb calorimeter, producing carbon dioxide.…

A: Given: Mass of carbon = 0.562 g Initial temperature = 26.74°C Final temperature=27.93°C To find; The…

Q: A sample of natural gas is 80.0% CH4 and 20.0% C2H6 by mass. What is the heat from the combustion of…

A:

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

A: Using the heat capacity formula we can find the heat required to raise the temperature of a…

Q: A 4.70-g sample of aluminum pellets (specific heat capacity = 0.89 J °C- g) and a 10.00-g sample of…

A: Since the heat lost by both metals will be used in increasing the temperature of the water  Q = mCΔT…

Q: Determine the final temperature this mixture should reach in degrees Celsius (oC), given that the…

A: The final temperature of the solution would be 28.5684 °C.

Q: A Bar Of Aluminum Of Mass 45.5g Is Heated From 293K To 85°C. How Much C Heat Is Absorbed By The…

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