A 44 gg piece of ice at 0.0 ∘C∘C is added to a sample of water at 8.0 ∘C∘C. All of the ice melts and the temperature of the water decreases to 0.0 ∘C∘C. How many grams of water were in the sample?

Q: What quantity of heat in kJ must be removed from a 35.0 g sample of water initially at 43.0 oC for…

A: Given : Mass of water = 35.0 g Initial temperature of water = 43.0 oC And final temperature of water…

Q: How many grams of benzene, C6⁢H6, can be melted with 88.8 kJ of heat energy? The molar heat of…

A: Using relation between enthaply of fusion and heat energy mass of benzene produce can be calculated.…

Q: 13. A sample of ice at 0°C melts after absorbing 300,000J of heat. How many moles of H,0 are…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Given that a 10.0 g sample of ice at 0.0 °C melts and then the resultant water proceeds to warm to…

A:

Q: A 125.3 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: Concept - In the question, because the substance is getting cooled, there will be release in the…

Q: 7.28 kJ of heat are released when 40.0 g of Br2(bromine) vapour condenses to liquid. What is the…

A:

Q: How much energy is needed to heat 356 g of ice at -10 °C to 0 °C and melt it?Heat =…

A: Heat capacity is calculated by below equation,

Q: Calculate the heat change in joules for freezing 235 gg of water at 0 ∘C∘C.

A: Given that 235 g of water has to freeze at zero degree Celsius.The enthalpy of fusion for water is…

Q: 11 What is the specific heat of a metal (260 g) that is heated from 25°C to 45°C when 2400 J of…

A:

Q: Fifty grams of H2O is cooled 75C to 50degreeC. 1. what is the amount of heat involved in this…

A: Given that:                                Mass of water = 50 g                Initial temperature…

Q: 1. How many grams of a metal with a specific heat of 0.103 J/gC when transferred from boiling water…

A: At equilibrium,  Heat lost by the metal = Heat gained by water

Q: 3. What mass of water would need to evaporate from your skin in order to dissipate 1.7X10³ J of heat…

A: Given :  ∆Hvap = 2261 J/g  Heat given (q) = 1.7 x 105 J

Q: Calculate the energy absorbed/released, in kJ, when 12.72 g of liquid water is turned to ice. Be…

A: In liquid state water molecules have less intermolecular forces of attraction compare to solid.

Q: How many joules of heat are required to melt 4.5 g of copper at a temperature of 1083°C? Use the…

A:

Q: 6. A container of yogurt has 240 Calories. What mass of perspiration would someone have to lose to…

A: Given that, a container of yogurt has 240 calories. At body temperature, the latent heat of…

Q: Isopropanol (C3H7OH, aka ‘rubbing alcohol’) has a heat of vaporization of 732.2 J/g. How many Jare…

A: Energy can be calculated as: Q = mHVap

Q: 1.82 Benzene (C,H6) is an organic liquid that freezes at 5.5 °C (see Figure 11.15) to form…

A: Given, Temperature = 5.5°C Mass = 15.5 g Enthalpy Change of fusion = 9.95 kJ mol-1

Q: 1. How much energy (in kJ) is needed to convert 23.0 grams of ice at-10.0°C to water at 90°C?

A: Let's first divide the entire process into small steps. As per the Hess's law of constant heat…

Q: What is the heat change (qtotal) in kilojoules, when 26.4 g of water are warmed from 25.0oC to…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: ind molar heat of fusion for ice

A: According to first law of thermodynamics,the total energy of a system remains conserved.If one…

Q: How much energy in kilojoules is required to convert 100mL of water at its boiling point from liquid…

A:

Q: How much heat energy is needed to warm 50.0 g of carbon (specific heat = 0.71 J/g ºC) from 25 ºC to…

A:

Q: What change in energy is required to heat 55.00 g of water at 15.00 degrees C to vapor at 180.0…

A:

Q: A 110.1 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: Answer:- This question is answer by using the simple concept of calculation of heat released using…

Q: How much heat is required to vaporize 100.0 g of ethanol

A: Number of moles = mass ÷ molar mass  Molar mass of ethanol is 46.07 g/mol

Q: A 110.1 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: The question is based on Hess law.   it  states that net enthalpy change for the reaction remains…

Q: If an insulated calorimeter contains 5.0 kg of ice at -60oC and later was heated up to 160o C.…

A:

Q: energy

A:

Q: An ice cube at 0.00 °C with a mass of 8.64g is placed into 85.0g of water at 45°C. If no heat is…

A:

Q: How many joules of energy must be removed from 131 g of water at 14.5 °C to form ice at 0 °C? How…

A:

Q: An ice cube of mass 65 g is taken from a freezer at -15°C and dropped into 125 cm of water at 85°C.…

A: Since you have posted multiple questions, we are entitled to answer the first only. 1) Given: Mass…

Q: At which portion(s) on the graph below is the average kinetic energy of the water molecules…

A: from graph Avg Kinetic energy of the Water Molecules become constant on position g and k So option…

Q: A unknown metal is thought to be gold. When 2.8 J of heat are added to 5.6g of the metal its…

A: Heat given to the metal, Q =2.8 J Mass of metal taken, m =5.6 g Increase in temperature, ∆T = 1.72˚C…

Q: Consider the following water and planetary data: Earth surface temperature: 20.0°C Mars surface…

A: Given: The surface pressure of mars and earth is 0.011 atm and 1.0 atm, respectively. The enthalpy…

Q: How much heat (kJ) is absorbed by 948.0 g of water in order for the temperature to increase from…

A: Specific heat: The amount of heat energy required to raise the temperature of one gram of a…

Q: How many grams of benzene, C,H,, can be melted with 88.8 kJ of heat energy? The molar heat of fusion…

A: Given : Molar heat of fusion of benzene(∆Hfus ) = 9.95 kJ/mol  Heat energy(q) = 88.8 kJ   We have to…

Q: A 413.1 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: Given,mass of sample =413.1 gMolar mass of sample = 189.50  g/molTemperature changed = 233.0°C to…

Q: How much heat (in calories) is absorbed when a 2.60 kg block of ice melts into a liquid? For water,…

A: Given: The mass of ice block, (m) =  2.60 Kg = 2600 g. The ∆Hfus for water=80 cal/g.

Q: How much heat is required to convert 135 g of ice at −15 °C into water vapor at 120 °C?

A: heat required is calculated by,q=m c ⊿Twhere,m=mass of samplec=specific heat of substance ⊿T=the…

Q: What change in energy is required to heat 55.00 g of water at 15.00 0C to vapor at 180.0 0C?

A: The quantity of heat transfers from one form to another is denoted as Q. Given the mass of…

Q: Given that for liquid water, AH(fusion)=334J/g, how much is needed to melt approximately 34.2 grams…

A:

Q: Calculate the mass of ice required to cool 181 mL of beverage from 24.6 °C to 0.0 °C. Assume a…

A: First find the heat lost (q) by the beverage. Then using the obtained “q” value and given enthalpy…

Q: 7. How much heat is gained when the temperature of 288 g of liquid water is raised by 25 °C from…

A: Here we are required to find the amount of heat required for raising the temperature by 25°C for…

Q: How much energy is released when 75.3 g of water vapor at 115 °C condense and cool to liquid at 25.0…

A: Given that : Mass of water (m) = 75.3 g Initial temperature = 115°C Final temperature = 25.0 °C The…

Q: 6. Suppose 1.0 x 102 grams of ice absorbs 1255 J of heat, reaching a final temperature of -2.0°C.…

A: Given: The mass of ice = 1.0×102 g The amount of heat absorbed by ice = 1255 J The final temperature…

Q: A 154.1 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

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

Q: Calculate the heat change in kilojoules for freezing 30.0 g of water at 0 ∘C.

A: Heat change in freezing is equal and opposite of heat change in melting or heat of fusion (dHfus).…

Q: Calculate the heat change in calories for condensation of 13.0g of steam at 100 degrees

A: Given : Mass of steam = 13.0  Since condensation is a process in which the steam loses its latent…

Q: What mass of ice can be melted with the same quantity of heat as required to raise the temperature…

A: The specific heat capacity of water (s) is 4.18 J/goC. The amount of heat required to raise the…