Calculate the quantity of heat absorbed by 12 g of water that warms from 30°C to 82 °C Express your answer to two significant figures and include the appropriate units. J are required to heat 283 g of water from 28 °C to 88 °C? The specific heat of water is 4.184 J/ How many (g°C)
How much heat is required to raise the temperature of 12.0 g of water from 15.4°C to 93.0°C? The specific heat of water is 4.184 J/g.-C. O 223 J O 773 J O 5033 O 467 x103 O 3.90 <103
3) If 28.0 g of water at 26.4 °C gain 5,563 J of heat, what is the final temperature of water? (Specific heat of water is 4.184 J/g.°C)) 4) If 46.2 g piece of aluminum is cooled from 84.5 °C to 29.5 °C, how much energy was lost by aluminum? (specific heat of aluminum is 0.901 J/(g.°C)) 5) If 78.6 g piece of iron is dropped into 100.0 g of water initially at 24.6 °C. The final temperature of both...
Iron has a specific heat of 0.450 J/g C. How many kilojoules of heat is required to raise the temperature of a 100. g sample from 25.5°C to 40.0°C? - 3 pts
The specific heat of aluminum is 0.900 j/g* C, how many joules of energy required to raise the temperature of 20.0 g of Al from 10.0°C to 15.0°C ? 79 J 90.0 J 100.0 J 112 J
C-1 How much heat is required to raise the temperature of 2000 g of water from 50°C to 80°C? The specific heat of water is 4.184 J/g °C a) 110.46 kJ b) 169.45 kJ C ) 251.04 kJ d) 301.25 kJ C-2 An exothermic reaction causes the surroundings to a) warm up b) become acidic c) condense d ) decrease in temperature C-3 Which of the reactions below have a positive entropy change? a) PC13(g) + Cl2(g) PCIs(8) b) NH3(g)...
Water has a specific heat of 4.184 j/g-"C. if 300.0 grams of water absorb 2.50 x 10 J of energy, how much will the temperature change? 3.50x 1040= 5. 200.0gx 4.164-ATr
How much heat (in kJ) is required to convert 431 g of liquid H2O at 24.0°C into steam at 157°C? (Assume that the specific heat of liquid water is 4.184 J/g·°C, the specific heat of steam is 2.078 J/g·°C, and that both values are constant over the given temperature ranges. The normal boiling point of H2O is 100.0°C.
A bomb calorimeter has a heat capacity of 675 J/°C and contains 925 g of water. If the combustion of 0.500 mole of a hydrocarbon increases the temperature of the calorimeter from 24.26°C to 53.88°C, determine the enthalpy change per mole of hydrocarbon. The specific heat of water = 4.184 J g-1 °C-1.Just the answerWhat is the enthalpy change when 175 g of C3H8 are burned in excess O2? C3H8(g) + 5 O2(g) ® 3 CO2(g) + 4 H2O(l) DH°...
5.175 g of water was heated from 15 °C to 88 °C. How many kilocalories were absorbed by the water? Given water has a specific heat of 1.00 cal/g °C. [10 pts.] 6. What are the products formed in an acid-base neutralization reaction? [3 pts.] A) an acid B) a base C) a salt and water D) an acid and water 7. The anhydrous compound that will absorb water from the atmosphere is. [2 pts.] a) hygroscopic b) a hydrate...