Find the final Round to 1 decimal place. Object 1: 2.4 kg mass 1,512 J/kg K specific heat capacity 116 K starting temperature temperature of the system with 2 objects listed below.

A hot steel plate with a surface area of 1.52 m2 and a constant surface temperature of 166°C is exposed to ambient air at 22°C. If the convection heat transfer coefficient is 15.9 W/m². K, what is the rate of heat transfer (in W) from the plate to the air [round your final answer to zero decimal places]? T. S Air, T, 00

A   lab technician poured 0.100  kg water at  0 Celsius into a  vessel that contains liquid oxygen at -183  Celsius.  Find the number of grams of  Oxygen that vaporizes. (boiling  point  of  oxygen =      -183  Celsius) The constants needed for the problems are tabulated below.     Metal  alloy Substance B calorimeter Substance  A ice Specific  heat ( J/g C) 2.00 3.00 0.900 2.50 2.10 Heat of  fusion  of  water = 333kJ/kg           Specific heat  water= 4.186 J/g C           Heat of  vaporization of  oxygen= 213 kJ/kg           Heat of  vaporization water 2260 kJ/kg           material Coefficient of  expansion (1/Celsius) Water   210 x10^-6 pyrex 9 x10^-6 Aluminum 25 x10^-6

A coffee-cup calorimeter contains 50 mL of water with an initial temperature of 24.8°C. An unknown sample with a mass of 1.972 grams was placed inside making the water temperature rise up to 25.5°C. The initial temperature of the metal was 98.3°C. 2. What is the specific heat of the unknown sample?___________ (round off final answer to 2 decimal places)

2.2 kg of ice (solid phase of water) at -10°C is heated under atmospheric pressure. Answer the following questions. Use the following values for your calculation. specific heat of ice: 2.1 kJ/(kg °C) specific heat of water: 4.2 kJ/(kg °C) specific heat of vapor: 2.0 kJ/(kg °C) latent heat of fusion: 334 kJ/kg latent heat of vaporization: 2260 kJ/kg    How much heat is required to raise the temperature of the ice to melting point T = 0°C?  How much heat is required to change the phase of the ice to liquid water?  How much heat is required to raise the temperature of the liquid water to boiling point T = 100°C?

2.2 kg of ice (solid phase of water) at -10°C is heated under atmospheric pressure. Answer the following questions. Use the following values for your calculation. specific heat of ice: 2.1 kJ/(kg °C) specific heat of water: 4.2 kJ/(kg °C) specific heat of vapor: 2.0 kJ/(kg °C) latent heat of fusion: 334 kJ/kg latent heat of vaporization: 2260 kJ/kg How much heat is required to change the phase of the liquid water to vapor? How much heat is required to raise the temperature of vapor to 200°C?

Luis and Salman are trying to increase the temperature of a substance by heating it.. What is the quantity of heat in kilojoules required to raise the temperature of 3.2 kg of the substance from1° C to 115 °C at a pressure of 1.0 atm? Please keep three significant figures. Useful information: Melting point = 293 K heat of fusion =3.90 x 104 J/kg. boiling point is 423 K heat of vaporization 7.80 x 104 J/kg (at a pressure of 1.0 atm). The specific heats for the solid phase is 600 J/(kg K) The specific heats for the liquid phase is 1000 J/(kg K) The specific heats for the gaseous phase is 400 J/(kg K) 339.2 20 F3 4 900 F4 % 5 F5 A 6 tv Ni MacBook Air F6 7 F7 * F8 A 9

Luis and Salman are trying to increase the temperature of a substance by heating it. . What is the quantity of heat in kilojoules required to raise the temperature of 1.2 kg of the substance from3°C to 110 °C at a pressure of 1.0 atm? Please keep three significant figures. Useful information: Melting point = 293 K heat of fusion = 3.90 x 104 J/kg. boiling point is 423 K heat of vaporization 7.80 x 104 J/kg (at a pressure of 1.0 atm). The specific heats for the solid phase is 600 J/(kg K) The specific heats for the liquid phase is 1000 J/(kg K) The specific heats for the gaseous phase is 400 J/(kg K)

If the heat is assumed to be generated 0.03 m below the skin, the temperature difference between the skin and the interior of the body would exist if the heat were conducted to the surface is 28 k°. What is the heat rate if the surface area of the body is 1.5m? and the coefficient of the thermal conductivity= 0.2watt/m.ko. 290 watt 310 watt 280 watt 260 watt

You just calibrated a constant volume gas thermometer. The pressure of the gas inside the thermometer is 254.0 kPa when the thermometer is in contact with boiling water. The boiling water is under regular atmospheric pressure. What is the temperature of the thermometer, when it reads a pressure of 494.0 kPa? Submit Answer Tries 0/12