A sample of water at 23 degrees Celsius required an input of 1.69 times 10 to the fourth power J of heat to reach its boiling point, 100 degrees Celsius. What was the mass of the water,

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: Calculate the heat transferred to the water.

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Q: A 28.9-g sample of water at 290. K is mixed with 48.3 g water at 350. K. Calculate the final…

A: If we assume that no heat is lost to the surroundings, then you can say that the heat lost by the…

Q: A copper cylinder has a mass of 60.5 g abd a specific heat of 0.087 cal/g-degree celcius. It is…

A: Specific heat: The amount of heat required by a unit mass of a substance to raise the temperature to…

Q: Calculate the heat capacity, in joules per degree, of 28.4 g of water. A) 18.0 J/°C B) 118.7 J/°C c)…

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

Q: Express the quantity in the unit indicated and designate whether this heat is gained or lost by the…

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Q: • If you boil water on a stove, the temperature of the water will remain close to 100 °C. As long as…

A: Boiling point is defined as the temperature at which a substance changes from liquid phase to gas…

Q: If it takes 200 J to raise the temperature of a 10-gram block of ice by 10°C, what is the specific…

A: Given : Amount of heat added = 200 J Mass of block = 10 g And increase in temperature = 10 oC

Q: A sample of water at 23.9 °C required an input of 2.68 × 104 J of heat to reach its boiling point,…

A: Required heat is calculated by using below formula,

Q: a cast iron skillet weighing 3.56 lbs (specific heat=0.449 j/g°C) is heated to 178.0 °C. How much…

A: Given: mass of steel skillet = 3.56 lbs = 1614.79 specific heat of steel = 0.449 j/g°C Initial…

Q: 4. a. One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the…

A: Temperature of first liquid = 140°F Temperature of second liquid = 60°C

Q: Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot…

A: Amount of heat lost by the extraterrestrial life can be calculated as follows: Q=m×l=5.80×102 g×369…

Q: A student is investigating the boiling and freezing point of a liquid , He observes the liquid in…

A: 1. Solution - According to the question - Given - 1) Upon reaching the boiling point, the liquid…

Q: Answer the following questions. Show complete solutions. Follow conventional way for significant…

A: Given: Work done w=45J The internal energy ( decrease in energy)= 23 J=-23J ( Since it is a decrease…

Q: Which of the following are equal to the specific heat of water? Select all that apply. 4.184 J/g°C…

A: The heat energy absorbed or evolved during the reaction is calculated by using specific heat…

Q: When power was turned off to a 30.0 gal (113.562 L) water heater, the temperature of the water…

A: The question is based on the concept of specific heat capacity. amount of heat required to raise…

Q: Order the substances (A, B. C, D, and E) by their specific heat capacities from highest (5) to…

A: Answer: As we know, relation between heat added and temperature increased is as shown blow:…

Q: A hot cup of tea placed near an open window to cool. Which of the following statements best…

A: Given: Hot cup of tea placed near an open window to cool.

Q: A solution is made by mixing 228.0 mL228.0 mL of ethanol initially at 15.3 ∘C15.3 ∘C with 228.0…

A: Law of conservation of energy-    "Energy neither be created nor be destroyed,it can convert fro…

Q: Order the substances (A, B, C, D, and E) by their specific heat capacities from highest (5) to…

A: The curve given is,

Q: An iron kettle weighing 1.37 kg contains 2.90 kg of water at 27.1°C. The kettle and water are heated…

A: We know the equation for heat energy, Q=mcΔt: [ Where, Q= the heat energy (Joules), m= the mass of…

Q: A 26.2-mL sample of benzene at 26.1°C was cooled to its melting point, 5.5 °C, and then frozen at…

A: Write the formula to calculate the heat change due to the change in temperature. H=ms∆t Where H is…

Q: A 33.5-ml sample of benzene at 39.2°C was cooled to its melting point, 5.5 °C, and then frozen at…

A: Volume of benzene = 33.5ml Density of benzene = 0.876g/ml Ti = 39.2∘C Melting point = 5.5°C Cpl =…

Q: What would be the final temperature if 55.0g of H2O at 30 degrees C is added to 45.0g of H2O at 95…

A: The amount of energy for a particular amount of matter present at specific temperature with specific…

Q: An engineer is designing a wire using an unknown material that will carry large amounts of…

A: Given Mass of wire = 51.24 g Heat (q) = 476 J Specific heat = 0.337 Jg-1 oC-1

Q: A vessel containing 1 000 kg of water at 25 degrees celsius is heated until it boils. How much heat…

A: In this question, you will need to Calculate the heat, means how much heat is required in kJ by the…

Q: How much heat must be absorbed by 375 grams of water to raise its temperature by 25°C? Show solution…

A: In this equation, we will calculate the heat ( Q ) which is absorbed by the 375 g of water when…

Q: Determine the total heat evolved in Joules in a solution of 19 mL of NAOH and 19 mL of HCI…

A: Given, Volume of NaOH = 19 mL Volume of HCl = 19 mL Initial temperature, Ti=26.8°C Final…

Q: Question 88

A: When 47.5 J of heat are added to 13.2 g of a liquid, its temperature rises by 1.72 °C. The heat…

Q: Calculate the energy in kJ that will be absorbed when 45.0 mg of water changed temperature from…

A: Given that: Mass of water = 45.0 mg = 0.045 g Initial temperature (T1) = 25.0°C = 298 K Final…

Q: Determine the total heat evolved in Joules in a solution of 20 mL of NaOH and 19 mL of HCI…

A: Given: Volume of NaOH solution added = 20 mL  Volume of HCl solution added = 19 mL Initial…

Q: constant‑pressure calorimeter, 23.323.3 g of X is dissolved in 297297 g of water at 23.00 °C.…

A:

Q: A 25.4-g sample of water at 290. K is mixed with 47.3 g water at 350. K. Calculate the final…

A: Let final temperature be T, the heat gained or heat absorbed by 25.4 g of water (q1) is determined…

Q: An iron kettle weighing 1.43 kg contains 2.84 kg of water at 25.3°C. The kettle and water are heated…

A: Thermochemistry is branch of chemistry in which we deal with heat of reaction such as heat evolved…

Q: How much heat is absorbed by liquid water that weighs 550 grams as it is heated from 25C to 95C?

A: Given, mass of water m= 550 g T1=25 ℃  T2=95℃ Cp for water = 4.184 J g-1℃-1 heat q=?

Q: 31.0-g sample of water at 280. K is mixed with 49.0 g water at 330. K. Calculate the final…

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Q: The quantity of heat required to change the temperature of 1 g of a substance by 1°C is defined as…

A:

Q: You want to quickly set up a temporary water bath in your lab with a volume of 10.0L and a…

A: Total volume = 10 L = 10000 mL Initial temperature for hot water = 50.5°C Initial temperature for…

Q: Use this value to calculate the mass of ice required to cool 325 mL of a beverage from room…

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Q: A copper block of volume 1 L is heat treated at 500ºC and now cooled in a 200-L oil bath initially…

A:

Q: A solution is made by mixing 287.0 mL287.0 mL of ethanol initially at 13.1 ∘C13.1⁢ ∘C with 287.0…

A:

Q: What quantity of heat is required to raise the temperature of 55.0 g of gold from 32 degree Celsius…

A: Heat required to raise the temperature of solids is given by  Q = mCΔT  where m = mass  C = specific…

Q: 4. a. One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the…

A:

Q: Which of the following enthalpy changes is also the standard enthalpy of fromation? O42 Mg(s) +…

A: The standard enthalpy of formation of a compound is the enthalpy change during the formation of 1…

Q: Chlorofluorocarbons are commonly used as Freon in refrigerators and air conditioners. Cooling the…

A: The specific heat of liquid, (C1)= 0.91 J/g⋅K  or  0.91 J/g⋅0C. The specific heat of gas (C2) = 0.67…

Q: How much energy is evolved as heat when 4.7 L of water at 0 °C solidifies to ice? (The heat of…

A: We know that  Density of water = 1 g/mL Mass of water = density of water x volume Mass of water = 1…

Q: Calculate the amount of heat necessary to raise the temperature of 135.0 g of water from 50.4°F to…

A:

Q: A generic solid, X, has a molar mass of 78.678.6 g/mol. In a constant‑pressure calorimeter, 30.730.7…

A: Answer: Heat absorbed by the solution can be calculated according to the formula shown below: Q=ms∆T…

Q: A 49.7-mL sample of benzene at 35.7°C was cooled to its melting point, 5.5 °C, and then frozen at…

A:

Q: A 102.8 g sample of a metal initially at 183.00C is placed in 35.0 ml of water initially at 25.0 0C.…

A: The heat values from the derived equation is: q = m × C × ∆T Since no heat is lost to surroundings,…