High-altitude mountain climbers do not eat snow, but always melt it first with a stove. To see why, calculate the energy absorbed from a climber's body under the following conditions. The specific heat of ice is 2100 J/kg⋅C∘, the latent heat of fusion is 333 kJ/kg, the specific heat of water is 4186 J/kg⋅C∘. |
Part A Calculate the energy absorbed from a climber's body if he eats 0.40 kg of -15∘Csnow which his body warms to body temperature of 37∘C. Part B Calculate the energy absorbed from a climber's body if he melts 0.40 kg of -15∘Csnow using a stove and drink the resulting 0.40 kg of water at 2∘C, which his body has to warm to 37∘C. |
High-altitude mountain climbers do not eat snow, but always melt it first with a stove. To...
High-altitude mountain climbers do not eat snow, but always melt it first with a stove. To see why, calculate the energy absorbed from a climber's body under the following conditions. The specific heat of ice is 2100 J/kg?C?, the latent heat of fusion is 333 kJ/kg, the specific heat of water is4186 J/kg?C?. PART A) Calculate the energy absorbed from a climber's body if he eats 0.40kg of -15?C snow which his body warms to body temperature of 37?C. PART...
High-altitude mountain climbers do not eat snow, but always melt it first with a stove. To see why, calculate the energy absorbed from a climber's body under the following conditions. The specific heat of ice is 2100 J/kg⋅C∘, the latent heat of fusion is 333 kJ/kg, the specific heat of water is 4186 J/kg⋅C∘ Calculate the energy absorbed from a climber's body if he melts 0.70 kg of -15∘C snow using a stove and drink the resulting 0.70 kg of...
High-altitude mountain climbers do not eat snow, but always melt it first with a stove. A) To see why, calculate the energy absorbed from your body if you eat 0.60 kg of -7 ∘C snow which your body warms to body temperature of 37∘C. B) Calculate the energy absorbed from your body if you melt 0.60 kg of -7 ∘C snow using a stove and drink the resulting 0.60 kg of water at 3 ∘C, which your body has to...
High-allitude mountain climbers do not eat snow, but always melt it first with a stove To scc why, calculate the energy absorbed trom your body if you cat 1.0 kgof-Bsnow which your body warms to body temperature of 37 C. Express your answer to two significant figures and include the appropriate units. Q-Value Units Submit Part B Calculate the anergy absorbed from your body if you meit 1 0 kg fsnow using a stove and drink the resui ting 1...
06. High-altitude mountain climbers do not eat snow, but always melt To see why, calculate the energy absorbed from your body if you: t tirst with a stove (a) eat 1.0 kg of snow at 1.5" C which your body warms to body ten (b) melt 1.0 kg of snow -15° C using a stove and drink the resulting t 2°C, which your body has to warm to 37°C. 1,0 kg of water at An iron boiler of mass 180...
Mountain climbers often brew tea by melting snow, which they heat over a stove. Our stove burns butane (C4H10), which has a heat of combustion of -2878 kJ/mol. The temperature of the snow is initially at -20 °C, and we need 80 °C water to brew tea. a. How much heat is needed to turn the snow into a cup (237 mL) of water hot enough to make a cup of tea? b. Calculate the mass of butane needed to...
please answer all questions Temperature Change and Phase Change - Specific Heat and Latent Heat - From COLD ICE to Warm Water The quantitative relationship between heat transfer and temperature change is Q = mcAT, where Q is heat transfer, m is the mass of the substance, and AT is the change in temperature. The symbol c stands for specific heat which depends on the material and phase (for exmample, water and ice have different specific heat). The specific heat...
Solid ice melts at 0 °C and has a latent heat of fusion of 333 kJ/kg. How much heat is required to first melt 0.02 kg of ice into water at 0 °C, and then increasing the temperature of the water from 0 °C to 16.6 °C? (C=4186 J/kg.Cº] Heat of fusion Le Water (all liquid) Water and ice Ice at 0 °C water at 0 °C Answer: J kJ Next page Online Quizlenlaces the crada oficinss. Send message
The energy needed to convert 2 kg of ice at -10 °C to water at 10 °C will be { Constants Given: Specific Heat of Water = 4186 J/kg ºc, Specific Heat of Ice = 2100 J/kg ºc, and Latent Heat of Fusion = 3.33 x 105 J/kg. }
Calculate the heat required to raise the temperature of gm of ice at -25˚C to 70˚C. (Ice has a specific heat of 2100 J/(kg K),the latent heat of fusion for ice is 334,000 J/kg, specific of water is 4186 J/(kg K) and Melting point of ice = 0˚C). Units are kJ.