H,C-CH,-C-N-CH, + NAOH heat
Q: How much heat must be added to a 2 kg block of ice at -11°C to change it to water at 24°C? A) 230…
A: Heat added is
Q: 4. A drum 6 inches in diameter and 40 inches long contained acetylene at 250 psia and 80 degrees…
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Q: In cooling a drink, does it make any difference whether 10 g of water at 0oC is added or 10 g of…
A: There are three different states of matter : solid(ice) , liquid(water), gas(steam) The energy…
Q: On which of the following the molar specific heat capacity of a substance depends? [A] Nature of the…
A: It is experimentally seen that the heat required to raise the temperature of different substance is…
Q: Heat is transmitted Select one: O True O False
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Q: How much energy is required to of ice from 20°C to steam at 120°0 1 Specific heat capacity of ice is…
A: Heat requires to raise temperature = m c ΔT Where c = specific heat Heat requires to change the…
Q: A cube of ice is taken from the freezer at -7.8°C and placed in a 94 g nickel cup filled with 311 g…
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Q: Consider the dissolution of CaCI2: CaCl2(s) Ca (aq) + 2CI (aq) AH = -81.5 kJ/mol A 15.0-g sample of…
A: Given compound is --> CaCl2 Amount of substance = 135 grams Amount of compound = 15 grams Atomic…
Q: 2) Hydrogen gas is compressed from an initial state of p=20 psia and 40°F to a final state of 0:=60…
A: Determine the given values using suitable variables. Here P1 signifies initial pressure, T1…
Q: If an ideal gas has a volume V at 27°C and it is heated at a constant pressure, so that its volume…
A: B
Q: to loosen the metal lid on a hard-to-open glass jar by running hot water over top of it for a few…
A: We know that here we have given the when we put the glass jar which has a metal lid which is hard to…
Q: 9) Four bars, all exactly the same size, are placed with one end in boiling water. The times taken…
A: The material with the less thermal conductivity takes more time to conduct heat through it. The…
Q: Determine the resulting temperature when 150 g of ice at -30C is mixed with 300 g of water at 500C
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Q: How much heat is involved when 100 g ice at 0 oC is heated to 80 oC? Specific heat of ice is 0.5…
A: Given that The mass of ice (m) = 100g We know that the latent heat of ice (L) =…
Q: Question attached
A: Given: The mass of the sample is 20.0 g. The temperature of the sample is 156 °C. The temperature of…
Q: Explain why water boils at a lower temperature (< 100oC) in places where there are high altitudes
A: The boiling point of water, or any liquid, is the temperature at which the vapor pressure of the…
Q: Steam burns can be much more severe than burns caused by boiling water. The reason for this is that…
A: Steam is vapourised boiled water.
Q: How much heat is required to transform 15000 g of water from 23°C to 165°C steam?
A: This problem can be solved in three steps1. Heat required to raise the temperature of water from…
Q: *A tungsten spheve e = 0.35) g radius 22cm is is at a temperature sf 25°C. @L the Sphere is enclosed…
A: The given values are,
Q: 1: For an adiabatic thermal process dQ = 0, prove the following: a) PV^ = constant, b) TV^-1 =…
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Q: 0:354 %3D
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Q: How much water with temperature 60° needed to melt 3 kg of snow with temperaturer-8°C? Suppose snow…
A: Given: The initial temperature of the water is 60oC. The mass of the ice is 3 kg. The initial…
Q: Please explain your answer
A: Calculate the slope of A ,C and E
Q: (14%) Problem 4: Suppose you want to raise the temperature of a 0.225-kg piece of ice from -20.0°C…
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Q: Water boils at 100 degree Celsius at sea level, however water boils at less than 100 degree celsius…
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Q: Q 11:- If the distance between each atom and another in a molecule of ammonia gas (NH3) is constant,…
A: Distance between each atom and another in a ammonia molecule is constant
Q: Tom gets 1.0 kg ice cubes from freezer and pours them into am empty cup. Half of the ice is melted…
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Q: Which substance would gain the most in temperature by addition of an equal amount of thermal energy…
A: Write the expression for the thermal energy.
Q: The temperature of an ingot of metal is 90 •C and the room temperature is 30 •C. After twenty…
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Q: :- When the temperature of a solid is one tenth of its Debye temperature, the amount of phonon…
A: Concept used: The specific heat contribution for metals comes from both phonons and electrons. The…
Q: How much heat is involved when 100 g ice at 0 oC is heated to 100 oC? Specific heat of ice is 0.5…
A: Given Data: Mass of ice, m = 100g Specific heat of ice, cice = 0.5 cal/g oC Solution: Let, Latent…
Q: How much heat (in kJ) must be added to completely transform the liquid water (at the melting point)…
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Q: How much heat must be removed from 800 g of water to cool it from 60 °c to 5 °c? a) 44 cal b) -44…
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Q: 7) A85Kg student catches the flue and his body temperature increases from 37°C to 39°C. How much…
A: Suppose a student having a mass,(m) in kilogram catches flue due to which its body temperature…
Q: The amount of energy needed to convert 20 kg of pure water al 80 °C to steam at atmospheric pressure…
A: Solution: given that m = 20 kg T = 80 C
Q: A person pours a cup of hot coffee, intending to drink it five minutes later. To keep the coffee as…
A: We know that the heat loss is given by the following expression: Q=mC∆T The mass and specific heat…
Q: When one mole of C,H, is burned, 3.27 MJ of heat is produced. When the heat from burning 5.67 g of…
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Q: What should be the temperature of 1g of ice, so that when it’s added to 9g of water, lowers the…
A: Given: mass of ice = 1g mass of water = 9g the temperature of water decreases by 10°C Sw = 1cal/…
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