Calculate the amount of heat needed to melt 180. g of solid octane (C3H13) and bring it to a temperature of -32.8 °C. Be sure your answer has a unit symbol and the correct number of significant digits.

Q: Calculate the amount of heat needed to melt 45.0 g of solid hexane (C,H,) and bring it to a…

A: Consider the given information is as follows; Initial Temperature (melting point of hexane) = T1 =…

Q: Calculate the heat released when freezing 25.0 g of water at 0 °C.

A: When water freezes it gives up some of the water's energy. The energy that is given up is the latent…

Q: How much heat is needed to boil 785 g of water that is at 17.6 ºC?

A: To find out the total heat required for boiling the 785g water at 17.6-degree centi.... following…

Q: Calculate the amount of heat needed to melt 53.6 g of solid hexane (C,H4) and bring it to a…

A: Given : Mass of hexane = 53.6 g Using appendix,  1) The melting point of hexane = -95 ºC 2) Heat of…

Q: What is the mass of a sample of water at 100 degrees Celsius resulting from the release of 3,820…

A: Since the heat of condensation of water = 40.65 kJ/mol  And since 1 KJ = 239 cal Hence 40.65 KJ/mol…

Q: Why does it take more energy to boil 10 g of liquidwater than to melt an equivalent mass of ice?

A: Melting is defined as the process where a solid changes into liquid when heated to its melting…

Q: How many joules of energy must be removed from 172 g of water at 27.1 °C to form ice at 0 °C?

A: Specific heat of substances.

Q: How many joules are required to change 224 g of ice at 0 °C to steam at 100 °C?

A:

Q: Calculate the amount of heat needed to melt 50.6 g of solid octane (C3H18) and bring it to a…

A: Given that -  Mass of solid octane = 50.6 g  Temperature = 52.2°C    Theoretically , the value of…

Q: Calculate the amount of heat needed to melt 60.7 g of solid benzene (C,H,) and bring it to a…

A: The heat needed for the process = heat required for melting + heat required to increase the…

Q: Calculate the amount of heat needed to melt 46.4 g of solid acetic acid (HCH, CO,) and bring it to a…

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Q: The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure -…

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Q: What is a phase change? Construct a heating-cooling curve for a substance that freezes at –23.0°C…

A: Answers are explained below.

Q: Calculate the amount of heat needed to melt 32.8 g of solid benzene (CH) and bring it to a…

A: 32.8 g of solid benzene is heated to a temperature of 73.5 °C .We have to calculate the amount of…

Q: Determine the energy required to freeze 12.0 kg of water at 70.6 ° C. * Express your answer in MJ.

A: 1st the temperature of water will be lowered to 0℃ then the freezing takes place .

Q: 2 3 4 7 8. The vapor pressure of Substance X is measured at several temperatures: temperature vapor…

A: Clausius clapeyron equation will be used to calculate the enthalpy of vaporization.

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: How much heat is needed to raise 63.0 g of ice from  – 10  oC to water at 50 oC at 1 atm?

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Q: How much heat is required to change  256.0 g  of water at  58.1 ° C  to steam at  100.0 ° C?

A: Given that: Mass of water, mwater = 256.0 g Initial temperature = 58.1⁰C Final temperature = 100.0⁰C…

Q: The heat of fusion of water is 79.9 Cal/G. How much heat would be required to melt 75.9 G of ice?

A: Given: Mass of ice, m =75.9  g The heat of fusion of water =79.9 Cal/g

Q: why 15 grams of steam at 100oC melts more ice than 15 grams of liquid water at 100oC.

A:

Q: The vapor pressure of Substance X is measured at several temperatures: temperature vapor pressure…

A: given, temperature vapour pressure -5. Cο = 268K 0.0877atm 8. Cο = 281K 0.142atm 21.Cο =…

Q: How many joules does it take to melt 50 g of ice at O0C. (heat of fusion = 333j/g)

A: The amount of heat required to convert one unit amount of substance from the solid phase to the…

Q: Calculate the amount of heat needed to melt 122.g of solid ethanol (CH3CH2OH) and bring it to a…

A: Given, Mass of solid ethanol, m = 122 g Final temperature = −52.6°C   To calculate the amount of…

Q: Suppose four 30-g ice cubes are added to a glass containing 200 cm3 of orange juice at 20,0°C.You…

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Q: How many joules of energy must be removed from 175 g of water at 22.2 °C to form ice at 0 °C?

A: Mass of water = 175 g  Initial temperature = 22.2 °C  Final temperature = 0°C  The amount of energy…

Q: a)How much heat is required to convert 13.0 g of ice at -10.0 ∘C to steam at 100.0∘C? Express your…

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Q: alculate the amount of heat needed to melt 44.8 g of solid ethanol (CH,CH,OH) and bring it to a…

A: Solution-First we need to heat of fusion of ethanol-The enthalpy needed of the solid its…

Q: How many grams of diethyl ether would need to condense in order to release 19.87 kJ of heat? The…

A: The number of moles of diethyl ether that required to release 19.87 kJ of energy is calculated as…

Q: How much heat is required to melt 62.0 g of ice at its melting point? Express your answer…

A: Given, amount of ice =62.0 gramwe are asked to calculate the heat required to melt 62.0 gram of ice…

Q: Calculate the amount of heat needed to melt 28.8 g of solid benzene (C,Hs) and bring it to a…

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Q: How much heat (kJ) is required to melt 12.31 grams of ice?  Do not type units into your answer.…

A: Applying unitary method to calculation of heat of reaction.

Q: How much heat energy, in kilojoules, is required to convert 51.0 g of ice at – 18.0 °C to water at…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: How much heat is needed to melt 10.0 grams of ice at -10°C until it is water at 10°C?

A: Given, mass of ice = 10.0 g Initial temperature (Ti) = -10°C Final temperature (Tf) = 10°C Amount of…

Q: Calculate the amount of heat needed to melt 70.2 g of solid benzene (C,H) and bring it to a…

A: Since here no initial temperature is given, let's start this problem to begin at 5.49°C: because the…

Q: Given that  q = n · ΔHfus,  how many moles of water are present if 53.4 kJ of heat are required to…

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Q: Caculate the mass of water that can be vaporized at its boiling point with 200kj of heat

A: The moles of water that can be vapourised is determined first by using the given heat value and the…

Q: +Halg) AH3= 368 kJ Assuming no heat loss to the surroundings, will the ice melt?

A: During exothermic reaction energy/heat is released. For the exothermic reaction the change in…

Q: Calculate the amount of heat needed to melt 134. g of solid acetic acid (HCH,CO,) and bring it to a…

A: Given temperatures are Heat capacity for acetic acid = 2.06 J/g* °C Melting point of acetic acid =…

Q: How many joules of energy must be removed from 152 g of water at 18.5 °C to form ice at 0 °C?

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Q: Calculate the amount of heat needed to melt 35.3 g of ice (H,0) and bring it to a temperature of…

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Q: Determine the heat in kJ to heat 7.18 moles of ice from -29.286 degrees celcius to -2.357 degrees…

A: Mass can be determined using the below given equation,

Q: How much heat energy, in kilojoules, is required to convert 51.0 g of ice at –18.0 °C to water at…

A: The heat energy of the conversion of ice to water is calculated by using the given formula,…

Q: How much energy must be supplied to convert 125g of ice at 0 degrees celcius to 125g of water at 91…

A: We will be using two types of heat in the whole process:   Q1  = Heat required to convert the ice at…

Q: Calculate the heat required to increase the temperature of 630 grams of ice from -2℃ to 23℃ and turn…

A: Mass of ice = 630 g  Temperature change from  -2℃ to 23℃  to 124°C.  Specific heat of ice = 2.108…

Q: An ice cube at 0.00 °C with a mass of 24.0 g is placed into 600.0 g of water, initially at 24.0 °C,…

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Q: what mass of ice at 0 Celcius is needed to cool 150 g of water at 25 C to 0 C?

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

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