A 31.5 g wafer of pure gold initially at 69.8°C is submerged into 63.4 g of water at 27.8 °C in an insulated container.

Q: A 12.3 g chunk of metal is heated up to 95°C and  dropped into an insulated vessel containing 157 g…

A: The question is based on the concept of law of conservation of energy . whatever heat lost by the…

Q: The same student wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW:…

A: The heat of dissolution for KClO3 is = 3803.8 J

Q: When 1 kg of Pb (c = 0.13 J/g-°C) of initial temperature 100 °C was added to water (p = 1 g/mL, c =…

A: Specific heat capacity is defined as the amount of heat energy required to raise the temperature of…

Q: 6. 190-proof Everclear is produced at near the practical limit of distillation purity, and is 92.4%…

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Q: Calculate the total heat in kJ required to raise the temperature of 25.0 g of solid ethanol at…

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Q: A block of Lucite Cl= 1460J/kg(K) is heated to a temperature of Tli = 120 degrees C. It is then…

A: In an isolated calorimeter, the amount of heat lost by the heated lucite block is equal to the…

Q: How much work is done when a 205 gg tomato is lifted 11.8 mm

A: Calculate the work done⇒The energy transferred to the tomato is doing work on it increaseits…

Q: A 31.1 g wafer of pure gold at 69.3 is submerged into 64.2 g of water at 27.8 in an insulated…

A: given: mass of gold = 31.3 g initial temperature of gold = 69.3oC mass of water = 64.2 g initial…

Q: A 25.0-g glass tumbler contains 200 mL of water at 24.0°C. If two 15.0-g ice cubes, each at a…

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Q: 4. After the sinking of RMS Titanic, US operated the International Ice patrol with the purpose of…

A: We can calculate the time required by calculating the amount of energy required to melt.

Q: Compare the effect of drinking 250-ml of ice water with the cooling effect of sweating out 250-ml of…

A: We sweat when our environment is hot or when we exercise. Sweating is a life-saving strategy that…

Q: 3. Compare the length of time it takes the temperature probe to reach thermal equilibrium with the…

A: A temperature probe reaches thermal equilibrium with another medium such as air or water upon…

Q: Calculate the amount of heat needed to boll 84.5 g of acetic acid (HCH, CO₂), beginning from a…

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Q: energy is required

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Q: An eager scientist on a hot summer day needs to determine how much ice to buy. She has a cooler…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: Which statement is no of Brownian motion? It is independent of temperature. It is due to the random…

A: Brownian motion is the irregular motion of particles due to the collisions with other rapid moving…

Q: 3 A- what is the enthal py change, in Joules, when 289grams Of water at 94°C is cooled to 62°C?…

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Q: Which of the following would you use to warm up a cold bath containing 30kg of water at 20 degree…

A: The heat change (q) occurring during the warming of a 30 kg of water bath by using a cup of water is…

Q: how much heat is released when a 27.7g sample of ethylene glycol at 42.76 is cooled to 32.5 c?

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Q: What mass of water

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Q: raise the temperature of 10.7 g of silver by 16.8 °C ? Express your answer with the appropriate…

A: When temperature is right then energy will release or it may be observed according to condition…

Q: Suppose that 1.02 grams of X (MW 24.67) are dissolved in 682 mL of water, and the water temperature…

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Q: If the heat stored by 100 m3 of the ocean surface layer after a temperature increase of 0.1ºC is…

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: 2. If an object has a low specific heat, would it be more like a conductor or an insulator? Explain.

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Q: I have a geothermal heat pump that heats and cools my house. It heats the houses by compressing 286K…

A: Geothermal heat pump is type of heat pump. It can be used to heat or cool the building. In winter…

Q: Identify the point(s) on the following diagram where the addition of heat will cause the temperature…

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Q: After the sinking of RMS Titanic, US operated the International Ice patrol with the purpose of…

A: First determine the volume of ice. ⇒250km×50km×300m⇒250×1000m×50×1000m×300m⇒3.75×1012m3 Given…

Q: The Boiling point of formaldehyde is -2.2°F. What is the equivalent in Kelvin and ◦C?

A: Conversion formula is used for determining the boiling point in terms of kelvin and degree celsius

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: If you have 0.381 m30.381 m3 of water at 25.0 ∘C25.0 ∘C in an insulated container and add 0.107…

A: Use principle of calorimetry  Heat flow from high temperature to low temperature  Q= mC∆T

Q: 6 .If 2.1g of 100.0C steam begins to condense on a container of liquid water at 25.0C and they…

A: Given : mass of steam = 2.1 gram and final temperature of the container = 46.7°C. To find : mass of…

Q: Three perfect gases, all at a temperature of 25°C, are placed into a box with sides of length 1m,…

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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: How many grams of water can be heated from 16.0 °C to 95 °C using 125 kJ?

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

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: Calculate the gross and net calorific value of the coal, assuming the latent heat of condensation of…

A: Gross and Net calorific value determination by calorimeter LCV (NCV) = GCV - (0.09 H * Lv)…

Q: Would the amount of heat absorbed by the dissolution as given below appear greater, lesser, or…

A: The answer for the first question is given below. Kindly repost the other questions as separate one

Q: A 25.0 mL sample of Benzene at 19.9 degrees celcius was cooled to its melting point, 5.5 degrees…

A: In thermodynamics, heat given by the system is considered as negative and heat gained by the system…

Q: How many grams of C₆H₆ liquid must decompose according to the following chemical equation to…

A: The reaction is  C6H6l → 3C2H2g △H = 630 KJ the molar mass of C6H6 is 78.11 g/mol this is…

Q: How many calories of heat are required to lower the temperature of 550 grams of water from 64.4℉ to…

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Q: Determine the amount of heat required to raise 10 grams of water 5 degree celcius ?

A: Specific heat capacity of water = 4.18 J/g oC

Q: First, a 5.500 g tablet of benzoic acid (C,H, CO, H) is put into the "bomb" and burned completely in…

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Q: 11. What would be the pHin a sample of pure water at 0.0°C? Kw at this temperature is 1.50 x 1015.…

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Q: Suppose that 4.24 grams of X (MW = 27.07) are dissolved in 602 mL of water, and the water…

A: The energy released or absorbed can be calculated by using following formula -   Q = m C ∆T Here - Q…

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,…

Q: A piece of aluminum weighing 25.5 g is heated to 65.4⁰C and then placed into an insulated container…

A: Mass of aluminium = 25.5 g Initial temperature of aluminium = Ti = 65.4°C Volume of water = 55.2 ml…