Report the measurement for each of the following instruments with the correct uncertainty and unit. Indicate the number of significant figures in each measurement. (5 pts) 50 °C 23 °C 100.3 °C 40 °C 22 °C 100.2 °C 30 °C 21°C 100.1 °C 20 °C 20 °C 100.0 °C
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- 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?FOLLOWING CONSTANTS ARE GIVEN FOR CALCULATIONS Specific Heat of Water = 4186 J/kg °C, Specific Heat of Iron = 452 J /kg °C, Specific Heat of Ice = 2093 J/kg °C, Specific Heat of Lead = 130 J/kg °C Latent Heat of Fusion = 3.34 x 105 J/kg, Specific Heat of Copper = 385.1 J /kg.°C Density of iron = 7.874 g /cm3 Density of copper = 8.95 g /cm3 1. A cylindrical shape iron object of radius 400000 µm and length 2 m initially at 30 °C is placed in hot water at 60 °C. Calculate the heat energy received by the iron ball.
- Make the given temperature conversions. If the temperature outside is 75.0 °F, what is the temperature in degrees Celsius? O 23.9 °C O 167 °C O 9.7°C O 75 °C O 373 °CLiquid sulfur vaporizes at 445 °C. If it takes 28125 J to convert 20 grams of 445 °C liquid sulfur to 445 °C gaseous sulfur, what is the heat of vaporization of sulfur?When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and outside surfaces of the glass are measured to be 21.4°C and 18.1°C. If the glass has an area of 3.06 m2 and a thickness of 6.23 mm, what is the rate of heat (in W) lost though the window [round your final answer to zero decimal places]? {kglass = 0.78 W/m∙K}
- When the indoor temperature of a house is 25°C and the outdoor temperature is -8°C, the inside and outside surfaces of the glass are measured to be 21.4°C and 17.1°C. If the glass has an area of 3.03 m² and a thickness of 6.27 mm, what is the rate of heat (in W) lost though the window [round your final answer to zero decimal places]? {kglass = 0.78 W/m-K} Indoors Outdoors 25°C -8°C Tglass, in Tglass, outSpecific Heat of Water = 4186 J/kg °C, Specific Heat of Iron = 452 J /kg °C, Specific Heat of Ice = 2093 J/kg °C, Specific Heat of Lead = 130 J/kg °C Latent Heat of Fusion = 3.34 x 105 J/kg, Specific Heat of Copper = 385.1 J /kg.°C Density of iron = 7.874 g /cm3 Density of copper = 8.95 g /cm3 2. Convert 403 K to °F temperature.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
- Specific heat of an unknown substance is given as 0.86 cal/g°C.What is the value of specific heat in the Sl units (J/kg.K)?A machinist wishes to insert a copper rod with a diameter of 8 mm into a hole with a diameter of 7.996 mm. By how much would the machinist have to lower the temperature (in °C) of the rod to make it fit the hole? °CA machinist wishes to insert an iron rod with a diameter of 8 mm into a hole with a diameter of 7.996 mm. By how much would the machinist have to lower the temperature (in °C) of the rod to make it fit the hole? °C