3. (a) How much heat must be absorbed by ice of mass m=800 g at –20°C to take it to the steam at 120°C ? Given the specific heat of ice is 2220 J/kg.K, specific heat of water is 4186 J/kg.K, specific heat of steam is 1996 J/kg.K, the latent heat of fusion is 333 KJ/kg and latent heat of vaporization is 226 KJ/kg. (b) If we supply the ice a total energy of only 310 KJ, what are the final state and temperature of the water?

Q: Energy Constants for H2O 334 J/g = Heat of Fusion (Hf) 2260 J/g = Heat of Vaporization (Hv) 2.11…

A: Heat absorbed by the sample is calculated as follows: Heat = Heat required to convert ice to water…

Q: The heat of vaporization AH, of methanol (CH;OH) is 35.3 kJ/mol. Calculate th

A: If   vapourisation of methanol       CH3OH(l)     ⇔  CH3OH(g)    △Hv = 35.3 KJ/mol     then…

Q: The molar heat capacity of ice is 37 J/mol*K and the molar heat capacity of liquid water is 76…

A:

Q: 4. The specific heat capacity of silver is 0,235J/g⋅K. Its melting point is 962°C, and its heat of…

A:

Q: Two 20.0 g ice cubes at –10.0 °C are placed into 205 g of water at 25.0 °C. Assuming no energy is…

A: Suppose, final temperature of water is Tf °C Given that, heat capacity or H2O (s) of ice = 37.7 J…

Q: A refrigerator cools by evaporating liquefied dichlorodifluoromethane, CCl2F2. How many kilograms of…

A: The mass of water is 525 g and the molar mass of water is 18.02 g/mol. Using the relation between…

Q: How much heat in kJ is evolved in converting 1.00mol of steam at 145 degrees Celsius to ice at -50…

A: Total heat released: 57.419 kJ.

Q: Assume 12,500 J of energy is added to 36 grams of ice at 0.00 oC. Given the following Specific Heat…

A: Mass of ice = 36 g Molar mass of ice = 18 g /mol Moles = MassMolar mass=36 g18 g/mol=2 moles

Q: How much heat energy is required to convert 35.8 g of liquid sulfur dioxide, SO2, at 207.5 K to…

A:

Q: How many grams of ice at 0°C can be melted by the condensation of 12.39 g of steam at 100°C,…

A:

Q: How much energy is needed to convert 64.2 grams of ice at 0.00°C to liquid water at 75.0°C? specific…

A: 64 g ice, first  ice at 0℃ fused to Water at 0℃.  Heat energy(q1)= m × ∆Hf Here, m= mass of ice=64g…

Q: In kJ/mol, what is the enthalpy kf vaporization, Hvap, for a substance that has a vapor pressure or…

A: We will solve this question using clausius clapeyron equation.

Q: Physical constants The constants for H2O are shown here: 2.09 J/(g -°C) • Specific heat of ice: sice…

A: Heat energy required is = 23.8 KJ

Q: How much heat would be required to convert 390 g of solid benzene, C6H6 (s), at 5.5°C into benzene…

A: Given : Mass of benzene = 390 g Initial temperature of benzene = 5.5 oC And final temperature of…

Q: How much heat (KJ) is needed to transform 100 g of liquid water at 0°C into vapor at 110 °C. The…

A:

Q: convert 1.30 g of water at 67.0 °C to 1.30 g of steam at 100.0 °C? (specific heat capacity of water…

A: We have to find amount of heat, in kJ, is required to convert 1.30 g of water at 67.0 °C to 1.30 g…

Q: How much heat is required to evaporate 100.0 g of liquid ammonia, NH3, at its boiling point if its…

A: Given: Mass of NH3  = 100.0 g ΔHvap = 4.8 kJ/mol

Q: How much heat energy is required to convert 84.0 g (1.82 mol) of liquid ethanol (C2H5OH) at 78.4 °C…

A: Heat energy can be calculated by following formula:  q = m×s×(T2 - T1) Where m is the mass of the…

Q: How much heat is required to convert 422 g of liquid H2O at 23.5 °C into steam at 150 °C?

A:

Q: The enthalpy of fusion for water is 6.0 kJ/mol and its molar heat capacity is 75 J/mol-K. How many…

A: It would take approximately 21.27 kJ of heat

Q: What is the quantity of heat (in kJ) associated with cooling 150.3 g of water from 25.60°C to ice at…

A:

Q: A sealed 15-liter flask initially containing 2 grams of H20 (L) at 35oC is allowed to come to…

A: Mass of liquid water converted to vapor,

Q: For water, specific heat values for the solid and liquid phase are 2.00 J/gC and 4.18 J/gC…

A: Introduction: Phase diagram is shows the relationship of physical states of a substance under…

Q: Suppose that 117.2 J of heat energy is required to completely vaporize 4.3 g of a pure liquid. If…

A:

Q: How much energy will it take to melt a 100 g sample of ice  at 0 degrees C and heat the resulting…

A: The process involves melting of ice at 0 oC first and then heating the liquid to 100 oC where it…

Q: How much heat energy is required to melt 126.0 g of HBr? The molar heat of fusion of HBr is 2.41…

A: Given   mass of HBr = 126 gram  Molar Heat of Fusion    = 2.41 KJ/ mol  Energy required to melt 126…

Q: Calculate the heat required to convert 5.5 g of ice at –5°C to steam at 110°C?

A: Given : Mass of water = 5.5 g Initial temperature of water (in solid form of ice) = -5 oC And final…

Q: What is the total heat required to convert 5 moles of ice at 0°C to liquid water at 0°C given the…

A: heat capacity during phase transformation  Q=  n ×L

Q: Calculate the amount of heat needed to bring 10.00 g of ice from -15°C to 110°C. Assume that the…

A:

Q: Two 20.0 g ice cubes at -16.0 °C are placed into 215 g of water at 25.0 °C. Assuming no energy is…

A: mass of ice, m1=20g                                                                     mass of…

Q: The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy (kJ) would be needed to melt…

A: The amount of heat required to change 1 g of solid to liquid at the same temperature is known as…

Q: Calculate the of heat required to completely convert 1.00 kg of Ice at - o°C to gmount water at 100…

A:

Q: What amount of heat (in kJ) is required to convert 16.6 g of an unknown solid (MM = 67.44 g/mol) at…

A: We have to find amount of heat (in kJ) is required to convert 16.6 g of an unknown solid (MM = 67.44…

Q: How much heat (in kJ) is required to heat 55.9 g of ice at -10.6 oC to steam at 124.7 oC? Specific…

A:

Q: What is the minimum amount of liquid water at 30°C that would be required to completely melt 50.0…

A:

Q: Calculate the heat change (in kJ) for the conversion of 30.3 mol of water vapor at 197.0°C to ice at…

A: The heat change for the conversion of 30.3 mol of water vapor from 197.0 °C of water vapors to ice…

Q: How much energy is needed to convert 1.99 g of ice at 0.00 °C to liquid water at 34.0 °C? Specific…

A:

Q: How much heat is required to convert 25.0 g of solid acetic acid (HC2H3O2) at 0.0 °C to liquid at…

A: Q = m×c× (t2-t1) q = heat absorbed m= the mass of the sample c = the specific heat of the substance…

Q: What is the maximum mass of ice at -15 oC that can be completely converted to water vapor at 25.0 oC…

A:

Q: lculate the amount of heat energy required to melt 25.0 g of ice at 0.0°C. (molar heat of fusion of…

A: Molar heat of fusion of ice = 6.01*10³ g/mol

Q: 2. The heat of vaporization of water at 1000C is 2.26 kJ/g; at 370C it is 2.41kJ/g. a. What is the…

A: Given ∆Hvap at 100°C = 2.26 KJ/g  ∆Hvap at 37°C = 2.41 KJ/g  We have to find standard molar heat of…

Q: How much heat (in kJ) is required to heat 55.9 g of ice at -20.7 oC to steam at 118.3 oC? Specific…

A: Answer:- This question is answered by using the simple concept of calculation of heat required to…

Q: The heat of combustion of bituminous coal is 2.50 x 104 1/g. What quantity of the coal is required…

A: The answer to the following question is-

Q: 3. Calculate the amount of heat (in kJ) required to convert 827.0 g of ice at -17°C to steam at…

A: Mass of ice = 827.0 g

Q: Calculate the amount of heat (in kJ) required to convert 99.0 g of ice to liquid water at 0.0°C

A:

Q: What quantity of heat is required to convert 49 g of ethanol (C₂H₅OH) at 23.0°C to a vapor at 78.3°C…

A: Given : Initial temperature of ethanol = 23.0 oC  Final temperature of ethanol = boiling point…

Q: What is the enthalpy change when a cube of ice 2.00 cm on edge is brought from −10.0 °C to a final…

A: Given data, Volume of ice = 2.00cm3 Density of ice = 0.917g/cm3 Initial temperature = −10.0 °C Final…

Q: Calculate the quantity of heat required to convert 70.5 g of H2O(s) at -25°C to H2O(g) at 125°C.…

A:

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.