Please show explanations/formulas used. Thank you!
Palmitic acid has a heat fusion of 39 cal/g and a molar mass of 257 g/mol. How much heat in calories is required to melt 39 millimoles of palmitic acid?
Please show explanations/formulas used. Thank you! Palmitic acid has a heat fusion of 39 cal/g and...
The heat of fusion of ice is 80 cal/g. How many calories are required to melt 1.0 mol of ice? 1.4 x 103 cal None of these 0.23 cal 6.9 x 10-4 cal 4.4 cal
how much heat in kilocalories is required to melt 2.9 mol of isopropyl (molar mass=60.0g/mol) the heat fusion and heat vaporization of isopropyl are 21 4 cal/g and 159 cal/g
1 The melting point of copper is 1083C it’s heat of fusion is 32 cal/g and it’s heat capacity (specific heat) is 0.093 cal/gC. Starting at 20C, how much heat would it take to melt 30g of copper ? 2 How do you know when molecule is ionic, diapole diaploe or non polar ?
Water's heat of fusion is 80. cal/g , its specific heat is 1.0calg⋅∘C, and its heat of vaporization is 540 cal/g . A canister is filled with 340 g of ice and 100. g of liquid water, both at 0 ∘C . The canister is placed in an oven until all the H2O has boiled off and the canister is empty. How much energy in calories was absorbed? Express your answer to two significant figures and include the appropriate units....
Please show explanations/formula used. Thank you! Acetylene gas has a molar formula of C2H2. What is the pressure in atmospheres if 52 grams of the gas is at a temperature of 20.0° C and contained within a volume of 4L? [C is 12g/mol; H is 0g/mol]
how do I do the calculations? please be very detailed, thank
you?
Molar Heat of Fusion of Ice-Sample Worksheet Data: Mass of cup 5,50 g 155.50 g Mass of cup plus warm water 30.5 Initial temperature of "warm" water 0.0 C Initial temperature of ice 18.5 C Final temperature of the "mixture" 175.50 g Mass of cup plus "mixture" Results: Mass warm water Mass ice Temperature change of "warm" body Temperature change of "cool" body Heat energy lost by "warm"...
Determination Of The Molar Heat of Fusion Of Ice Purpose The purpose of this result with its reported value that is s 6.01 kJ/mol. The molar heat of fusion (AH) of ice is the amount of heat required to melt 1 mole of ice experiment is to determine the molar heat of fusion of ice and compare the experimental Definition Heat of fusion of ice is the amount of heat required to melt ice. The more the ice to melt,...
2) Ethyl alcohol (CH3CH2OH) has a heat of fusion of 5.01 kJ/mol. How much heat in KJ is required to melt 137 g of ethyl alcohol? A) 1.70 x 103 kJ B) 129 kJ C) 686 kJ D) 5.01 kJ E) 14.9 kJ
could you please explain all steps in DETAIL and write the formula
used. Please and thank you!
(11.6, 11.7) Liquid ammonia (boiling point =-33.4°C) can be used as a refrigerant and heat transfer fluid. How much energy is needed to heat 25.0 g of NH3() from -65.0°C to -12.0°C? 9. 4.7 J/(g K) 2.2 J/(g K) 23.5 kJ/mol 17.0 g/mol Specific heat capacity, NH3() Specific heat capacity,NHs(g) Heat of vaporization Molar mass, M
Please explain which formulas
are being used and why thank you! clear and good handwriting gets a
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You have a compressed gas cylinder that is 5 L in volume and stored at 15 degrees C. Inside are 30 g of CO_2. What pressure is inside the tank? The molar mass of Carbon is12 g/mol. The molar mass of Oxygen is 18 g/mol. You may assume CO_2 1.08 atm 11.82 atm 4.73 atm 0.154 atm 2.95 atm