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7. How many calories are required to increase the temperature of 13 g of alcohol from...
32. Which of the following is a chemical change? A) cutting a rope B) bending a steel rod C) making a snowman D) burning sugar E) melting gold 33. How many calories are required to raise the temperature of a 150. g sample of gold from 25 °C to 175 °C? The specific heat of gold is 0.0308 cal/g °C. Hint: Heat- Mass x specific heat x Temp. change A) 4.62 cal B) 116 cal zamx5. HDT f C) 22500...
How many Calories are contained in one tablespoon of sunflower oil, which has 11.9 g of fat? (Hint: One gram of protein or one gram of carbohydrate typically releases about 4 Calg, while fat releases 9 Cal/g.) Report your answer to 1 significant figure. Cal Be sure to answer all parts. Carry out each of the following conversions. Report answers to appropriate number of significant figures. a. 70 cal to kcal 1 kcal b. 37 cal to kJ What types...
How many Calories are contained in one tablespoon of sunflower oil, which has 11.9 g of fat? [Hint: One gram of protein or one gram of carbohydrate typically releases about 4 Cal/g, while fat releases 9 Cal/g.] Report your answer to 1 significant figure.
72019 1112 m 102 ag. Good How many fluid Ounces are there in 355 m ein 355 ml miltliters)? 102 355 ml x 29.6 me x 39.60ne 2 pro bohydrate and 4 g protein. How many kcal does the slice provide? 4. A slice of bread has 1.5 R of fat, 19 e carbohydrate and fatis fx anal - 13.5 Kon 76 kcal Carbs : 198 4 kcal is = 192 x Protoneyx tko! = 16 kcal Total 105 kol...
If. How many calories are required to change the temperature of 1003 g of gold from 23.5 °C to 85.0°C? The specific heat of ethanol is 0.1256 J/g"C. A. 1350 cal B. 3300 cal C. 6750 cal D. 1850 cal E. 7750 cal 19. Which is NOT a physical property of matters? A. Boiling Point B. Combustibility C. Specific Heat Capacity D. Solubility E. Density Ih. What is the charge on Pd atom in Pd(NO2)2? A. Pd+ B. Pd+ C....
How many calories are in a food that contains 12 grams carbohydrate, 3 grams alcohol, O grams fat and 3 grams protein? a. 124 Ob.75 Oc. 112 d. 81
I want the detailed steps, please. How many calories are required to increase the temperature of 13 g of water from -11 °C to 23 °C? The specific heat of water is 4.184 J/g °C. HINT: Draw a heating/cooling curve. cal
How many calories are required to heat 25.0 g of platinum from 24.5 °C to 75°C (specific heat of platinum 0.139 J/gK)? Pay careful attention to units 20 cal 047 cal 42 cal 48 cal 80 cal
Using values from this table, how many DNA molecules could be broken by the energy stored in 1 gram of fat (9.3 kcal)? X molecules Table 7.1 Energy of Various Objects and Phenomena Object/phenomenon Big Bang Energy released in a supernova Fusion of all the hydrogen in Earth's oceans10 Annual world energy use Large fusion bomb (9 megaton) 1 kg hydrogen (fusion to helium) 1 kg uranium (nuclear fission) Hiroshima-size fission bomb (10 kiloton) 90,000-ton aircraft carrier at 30 knots...
16. How many calories are required to rise the temperature of 25g aluminum from 293.15 Kelvin to 50°C? Aluminum has specific heat of 0.22 cal/gºC. Show calculation (5pts). 17. If 50 calories was applied to an 50 grams unknow metal and changed the temperature from 25°C to 35°C. What is the specific heat of the unknown metal? Show calculation (5pts).