How much heat in cal is necessary to vaporize 685 g of h2o at 100 degrees c?

Q: The main reason that distillation is a costly method for purifying water is the high energy required…

A: Distillation is the process in which the components of a mixture are separated on basis of different…

Q: Which substance has the lowest vapor pressure at 25C ?   a. H2S   b. O2   c. H2O   d. CO2

A: Vapour pressure may be defined as:-…

Q: How much heat (in kJ) would be required to convert 11.0 g of ice to water at 0.00°C? (∆Hfus = 6.01…

A: Since ice is solid and water is liquid, phase change takes place from solid to liquid and called…

Q: The molar heat of vaporization of water at 25 °C is +43.9 kJ/mol. How many kilojoules of heat would…

A: Given, The molar heat of vaporization of water at 25°C is +43.9 kJmol

Q: 5. A 1.111 mole of ice at -15°C is mixed with 100 g of water at 90 C. Calculate the final…

A: The given information is: Moles of ice = 1.111 mol Temperature of ice = -15°C = (273-15) = 258 K…

Q: 104. A 685 mL sample of Hg(l) at 20°C is added to a large quantity of liquidN kept at its boiling…

A: Given that : The volume of Hg(l) = 685 mL Initial temperature of mercury = 20°C The specific heat of…

Q: How much heat in kJ is required to convert 916 g of ice at -11.0°C to liquid water at 99.0°C?

A: Ice undergo various transition from -11°C to 99°C and releases heat at each stage

Q: Suppose 1g of water at 10 °C was heated and there are no heat lost in the surroundings. How much…

A: Given that:                       Mass of water = 1g = 0.001 Kg                    Initial…

Q: energy in kJ

A:

Q: How much heat would be required to convert 16.3 g of ice to water at 0°C? (∆Hfus = 6.01 kJ/mol for…

A: Conversion of ice to water is known as fusion of ice. At 0οC, heat of fusion of ice is calculated…

Q: How much energy in kilojoules is needed to heat 5.00g of ice from -11.0 °C to 30.0 °C? The heat of…

A: Given: Mass of ice = 5.00 g. Initial temperature of ice = -11.0 oC And final temperature of ice =…

Q: How much energy in kilojoules is needed to heat 5.00 g of ice from -10.0 °C to 30.0 °C? The heat of…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: how much heat is needed to vaporize 2.72 moles of nitrogen? in cal? and J?

A: Since the heat of vaporisation of nitrogen is 2.7928 kJ/mol

Q: What quantity of heat (in kJ) would be required to convert 14.1 g of ice to water at 0.00°C? (∆Hfus…

A:

Q: Determine the total amount of heat in kJ needed to warm 36.9 g of ice at -29.4 °C to water at 39 °C.…

A:

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: How much heat (in kJ) would be required to convert 26.0 g of ice to water at 0.00°C? (AHfus = 6.01…

A: Enthalpy of fusion∆Hfus is the amount of heat required to melt an unit mass of a solid at its…

Q: 1. Calculate the quentity of energy required to change 27.5 g of liquid water to steam at 100 C. The…

A:

Q: How much energy in kilojoules is needed to heat 3.25 gg of ice from -10.5 ∘C∘C to 30.5 ∘C∘C? The…

A:

Q: If 100.0 g of ice at -10.0°C is placed in 200. g of water at 90.0°C in an insulated container, what…

A:

Q: How much energy is required to heat 135g of ice from -55.3degrees C, to steam at 155.8degrees C?

A: Energy required to heat 135g of ice from -55.3 °C, to steam at 155.8 °C is to be calculated.

Q: Upon heating 125g MgSO4 · 7H2O : (a) How many grams of water can be obtained ?  (b) How many grams…

A: The reaction is as follows:

Q: Water has a heat of vaporization (ΔHvap) of 40.8 kJ/mol. What is the change in energy of 10.0 g of…

A: The amount of heat required by water to change from liquid phase to vapor phase by means of…

Q: The heat of vaporization for CH4 is 152 cal/g. How much heat is needed (in calories) to vaporize 0.4…

A: The heat of vaporization for CH4 is = 152 cal/g The amount of heat is needed (in calories) to…

Q: How much heat is necessary to vaporize 685 g of h2o at 100 degrees c?

A: The amount of heat required to convert a liquid into vapour state is known as enthalpy of…

Q: how much heat is needed to vaporize 2.72 moles of nitrogen?

A: The heat is needed to vapourize 2.72 moles of nitrogen as -

Q: How much heat is needed to melt 466 g of silver that is at 22.3 ºC?

A: Given that : Mass of Silver = 466g Initial temperature (T1) = 22.3°C Melting point of Silver (T2) =…

Q: A 37.0 g sample of ice is held at -12.0 °C. If the ice absorbs 25800 J of heat, what state and…

A: We can determine the final state of the water from the final temperature.  The formula is : q = m ×…

Q: If it requires 70.4 kJ of heat to boil 1.60 moles of water, what is its enthalpy of vaporization?

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

Q: How much heat (in kJ) would be required to convert 15.1 g of ice to water at 0.00°C? (∆Hfus = 6.01…

A: For a given substance, the molar heat of fusion basically tells you one thing from two perspectives…

Q: How much energy is required to change 2 kg of water from ice at -10 °C to steam at 250 °C?

A: Entire process involved five stages. The energy required for each stage is to be calculated. Mass of…

Q: How much heat is required to turn a 1 kg cube of ice at -10°C to steam at 110°C?

A: The heat is consumed in the following ways: 1. Heat required to convert 1 kg (1000 g) ice at -10°C…

Q: How much heat is required to change 600. g of liquid mercury to gaseous merouty at the boiling?

A: To calculate the heat required to change the liquid mercury to gaseous mercury at its boiling…

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 many kJ of heat are needed to completely vaporize 50.0g of water at 100°C?

A:

Q: How much heat, in joules and in calories, must be added to a 89.1 g chromium block with a specific…

A: The relationship between the amount of heat of a substance and mass, specific heat, and change in…

Q: What quantity of heat (in kJ) would be required to convert 12.9 g of ice to water at 0.00°C? (∆Hfus…

A:

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: What is the heat in kj required to convert 25g of -10 °C ice to 150°C steam?

A:

Q: Determine the heat required to convert 62.0 grams of ice at -10.3 °C to water at 0.0 °C. The…

A: Conversion of ice from -10.3 °C  to 0.0 °C (ice) Mass of ice = 62.0 grams Heat capacity of ice, c =…

Q: B. If 25.0 kJ of heat is lost by 0.500 mol of substance A initially at 110 °C, what is the final…

A: At 110oC the state of the substance is gas. The boiling point of the substance is 78oC. Hence when…

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: BinyG 12. How much heat (in kJ) must be added to 45.0 g of ice at -22.0°C to change it to water at…

A: The following equation would be used

Q: How much heat is needed to melt 25 g of copper that is at 82.5 ºC?

A: Given data : Mass of copper = 25 g Melting point of copper is 1084°C Specific heat of copper(Cs) is…

Q: Calculate the mass of water that can be vaporized with 211 kJ of heat at the boiling point.

A: Heat of water (q) = 211 KJ Mass of water (m) = ? • Heat is related with enthalpy of vaporization as…

Q: Calculate the heat required to convert 5.5 g of ice at –25°C to steam at 118°C.

A: Enthalpy of fusion = 333.6J/g.Enthalpy of vaporization = 2257J/g.Specific heat of ice =…

Q: How much heat (in kJ) would be required to convert 29.4 g of ice to water at 0.00°C? (∆Hfus = 6.01…

A: Given data,  Mass of ice = 29.4 g  ∆Hfus= 6.01 KJ/mol

Q: How much heat is needed to melt 564 g of silver that is at 32.3 C?

A:

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: