The answer is 411 K
Question 2 4 You mix • a droplet of mystery liquid N, specific heat on =...
Someone help me with question(b) and (c),thx!! (40 %) For a 1-mm-diameter n-hexane droplet burning in air at atmospheric pressure. Assume no heat is conducted into the interior of the liquid droplet and 4. that the droplet temperature is equal to the boiling point. The ambient air is at 298 K. (a) Estimate the mass burning rate of the droplet (b) Calculate the ratio of the flame radius to droplet radius (c) Calculate the flame temperature (d) Plot the temperature...
Use the specific heat interactive to calculate the specific heat of silver. Assignment Score: 87.3% Resources Hint Check Answer Question 51 of 65 > Attempt 2 Suppose a mixture of 135 g of K,Cr,0, and 200 g of water is stirred at 50 °C until no more K, Cr, o, dissolves. The undissolved solid is removed by filtration. The solubility of K,Cr,0, in water as a function of temperature is shown in the following graph. 60 What mass of the...
QUESTION 50 A copper cylinder has a mass of 76.8 g and a specific heat of 0.092cal/g °C. It is heated to 86.5°C and then put in 63.7 g of turpentine who temperature is 19.5 °C. The final temperature of the mixture is 31.9°C. What is the specific heat of the turpentine? 4.18 cal/g °C 0.541 cal/g °C 1.00 cal/g °C O 0.311 cal/g °C 0.451 calig.°C
Use the following table of thermal physics specs. Latent specific melting/freezing heat of substance heat point (K) fusion (cal/g K) (cal/g) solid H2O 0.50 273 80 liquid H2O 1.00 273 80 solid gold 0.0301 1336 15 liquid gold 0.0355 1336 15 solid lead 0.0305 601 5.5 liquid lead 0.033 601 5.5 HEAT-MELT-HEAT CALCULATION (3 points) How much energy is required to convert 1.00 gram of solid gold at intial temperature T; = 1335 K to liquid gold at final temperature...
63. Use the following table of thermal physics specs. substance specific heat melting/freezing Latent heat of (cal/g K) point (K) fusion (cal/g) 0.50 273 80 1.00 273 80 0.0301 1336 15 solid H2O liquid H20 solid gold liquid gold solid lead liquid lead 0.0355 1336 15 0.0305 601 5.5 0.033 601 5.5 HEAT-MELT-HEAT CALCULATION (3 points) How much energy is required to convert 1.00 gram of solid gold at intial temperature T; = 1335 K to liquid gold at final...
You have two pieces of metal: 20 g of aluminum, for which the specific heat is ca = 0.22 cal/g K, at initial temperature 500 K; 50 g of gold, for which the specific heat cg = 0.03 cal/g K, at initial temperature 600 K. You bring them into thermal contact. The equilibrium temperature will eventually be ________. Read carefully and THINK. Group of answer choices
Question 4 (1 point) The specific heat of aluminum is 0.214 cal/g°C. Calculate the heat necessary to raise the temperature of 55.5 g of aluminum from 296.0 K to 321.6 K. 2.73 kcal O 0.273 kcal 0.577 kcal 0.304 kcal 304 kcal
You have a styrofoam container with 944 g of orange juice (specific heat of 3,770 J/(kg · °C)) at 35.0° and you add a 73 g chunk of ice at 0°C. Assume the liquid and water mix uniformly as the ice melts and determine the final temperature of the mixture (in °C).
QUESTION 2 A "big" Calorie (Cal) is a heat unit that is equal to the heat required to raise the temperature of 1 g of water 1 C°. the heat needed to raise the temperature of 1 lb of water 1 F°. the food, or dietary, calorie. the heat of vaporization of 1 kg of pure water. 10 points QUESTION 3 The heat involved in the change of a solid into a liquid, or a liquid into a solid, at...
Question 3 (1 point) Calculate the specific heat for the element Madeupium if the addition of 118.3J increases the temperature of a 13.8 g sample by 17.2 K A) 94.9 J/g°C B) 148 J/g°C OC) 0.498 J/g°C D) 2.01 J/g°C Question 4 (1 point) 0.839 g of an unknown organic liquid was burned in a bomb calorimeter, heating the 395 grams of water by 11.1°C. Assuming the calorimeter absorbs a negligible amount of heat, calculate the heat added to the...