165. What is the final temperature when 20.0 g of water at 25°C is mixed with 30.0 g of water at 80°C? A) 35°C B) 42°C C) 53°C D) 58°C E) 70°C

Q: If 50.0 g of water at 25.0 °C absorbs 14.5 kJ of heat, what is the final temperature of the water?…

A: Given  q = 14.5 kJ = 14500 J C = 4.184 J/g.°C Ti = 25°C Tf = ?

Q: The temperature of a 5.0 g sample of Aluminum increases from 25°C to 30°C. How many joules of heat…

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Q: Apples are versatile fruits used in several baked and cooked dishes. A 10.0-gram apple is placed…

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Q: How do I calculate the final temperature of a mixture? Mass of empty cup and lid: 9.94 g  Mass of…

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Q: A 125-g piece of aluminum (specific heat of 0.900 J/gC) is heated to 95°C and placed into a 375-g…

A: Solution:- Mass (m) of aluminium piece = 125 g  Specific heat capacity (ca) of aluminium = 0.900…

Q: 8. 66.80 g of lead is heated to 155°C and then placed into a foam cup calorimeter containing 70.0 mL…

A: Given that  : Mass of lead (ml)= 66.80 g Temperature (Tl)= 1550C = 428 K Volume of water = 70.0 mL…

Q: Calculate the kJ of heat that must be removed from 0.553 grams of water to lower the temperature…

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Q: A chunk of mercury at 80.8°C was added to 300.0 g of water at 15.5°C. The specific heat of mercury…

A: Given: For water: Mass of water, mw=300.0 g Temperature change, ∆T=(20.9-15.5)°C=5.4 °C Specific…

Q: A sample of iron was heated to 112.0 °C, then placed into 260 g of water at 22.8 °C. The temperature…

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Q: An 87.0-g piece of iron whose temperature is 73.8 °C (347.0 K) is placed in a beaker containing 300…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: 5.4 b What will be the final temperature of a 514-g sample of water, initially at 10.0°C, after 90.8…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: What would be the final temperature of 1 gallon of water (3.785 L) if you added 1.218 x 103 kJ of…

A: we need to find the final temperature of water under given conditions

Q: 20.0  J of heat is added to 10.00 g of gold, which is initially at 25°C. The heat capacity of gold…

A: Q = n . s . (T2 - T1) Where, Q = heat absorbed;  s = specific heat of substance; n = number of moles…

Q: A piece of unknown metal weighs 348 g. When the metal piece absorbs 6.64 kJ of heat, its temperature…

A: Given: Mass, m = 348 g Heat, q = 6.64 kJ Tf = 43.6oC Ti = 22.4oC

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given, Mass of sample = 7.37 gMass of water = 150 g Mass of solution = 157.37 g Initial temperature…

Q: Quantity Mass of can (g) 12.695 mass of can and water (g) 125.129 Initial mass of food sample (g)…

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Q: Between O*C and 30 degrees * C mercury has a specific heat of 0.138 J/g C. If 200 J of heat are…

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Q: A 67.4 g piece of titanium (specific heat = 0.523 J/g °C) is heated to 95.8 °C. It is then put in to…

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Q: 3. How much heat is required to change temperature of 2g of water from 34°C to 68°C? (Water has a…

A: Given  Mass of water                 = 2 gram  Initial Temperature ( T1) = 34 ℃ Final Temperature…

Q: Copper is sometimes coated on the bottom surface of cooking pans. Copper has a specific heat of…

A: Concept introduction: Heat capacity is the amount of heat required to raise the temperature by 1oC…

Q: A sample of gold weighing 7.7 grams is cooled then placed in a calorimeter containing 27.01 grams of…

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Q: when 108g of water at a temperature of 22.5°C is mixed with a 65.1 g of water at an unknown…

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Q: You are given a metal and asked to identify it by determining its specific heat. You place the metal…

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Q: 1.64 L of hydrochloric acid are mixed with 735 mL of ammonia in a calorimeter. The initial…

A: Solution - According to the question - Given - 1.64 L = 1.64 * 10000 = 1640 ml Total volume = 1640 +…

Q: Question attached

A: Given : Mass of water = 35.5 g Mass of metal = 9.323 g Initial temperature of water = 19.42 oC Final…

Q: Calculate the total heat energy in joules needed to convert 20.0g of water from 30.0 c to -20.0c

A: q = mc∆T            m = mass  of water = 20.0 g             c = 4.184 J/g. oC…

Q: 4) Calcium chloride (CaCl2) emits heat when dissolved in water. CaCl2e) → Ca- 2+ (aq) + 2Cl (aq) ΔΗ.…

A: First of all you need to find the amount of heat required to raise the temperature of water. For…

Q: 6.00 J of heat is added to 10.00 g of gold, which is initially at 25°C The heat capacity of gold is…

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Q: When 126.0 mL of water at 26.0 ° C is mixed with 66.0 mL of water at 85.0 ° C, what is the final…

A: Given are two samples of water.  The mass of water in two samples can be calculated as

Q: What is the final temperature when 70.0 g of water at 80.0°C is mixed with 30.0 g of water at…

A: specific heat is a function of temperature itself. But, in current problem variation of 10 degree C…

Q: When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final…

A: Convert the given mL of water into mass.Given, density of water = 1.00 g/mL

Q: 11. A 27.7 g sample of the radiator coolant ethylene glycol releases 688J of heat. What was initial…

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Q: Suppose that 25 g of  substance is initially at 27.0°C. What is the final temperature of each…

A: Step : 1             What is the final temperature of gold upon absorbing 2.35 kJ of heat?

Q: 559.4 J of heat was added to 8.00 g of water. The final temperature of the water was measured as…

A: Given: Heat Energy (Q)= 559.4 J Mass of water (m)= 8.00 g Final Temperature (T2) = 64.2 0C Specific…

Q: The specific heat of lead is 0.129 J / g 0C . How many joules of heat is required to raise the…

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Q: How many grams of water can be heated from 27.6°C to 38.9°C by the heat released from 71.3 g of lead…

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Q: A 110.-g sample of copper (specific heat capacity = 0.20 J/°C g) is heated to 82.4°C and then placed…

A: Given : Mass of copper = 110 g Specific heat capacity of copper = 0.20 J/°C.g Initial temperature of…

Q: Hot water that is 78.0°C is to be mixed with 4L of cold water that is 23.0°C. What should be the…

A: When water at two different temperatures is mixed, the temperature of cold tap water increases and…

Q: A 102.8g sample of a metal initially at 183.0 C is placed in 35.0 ml of water initially at 25.0 C.…

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Q: 15.0  J of heat is added to 10.00 g of gold, which is initially at 25°C. The heat capacity of gold…

A: Given: Heat energy (Q) = 15.0 J Mass of metal (m) = 10.0 g Initial temperature of metal = 25.0 oC…

Q: A 31.6 gram lead ball at 25.0 °C was heated with 56.3 joules of heat. What is the final temperature…

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Q: 4. The heat capacity of copper is 0.382 J/g°.C. A 22.6 g sample of copper at 93° C is placed in 50 g…

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Q: 4. Determine the final temperature of water if 9.2 kJ of heat is added to 250 mL of 17°C water (the…

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Q: If 7.600 g C,H, is burned and the heat produced from the burning is added to 5691 g of water at 21…

A: Step : 1             Calculate the final temperature of water.

Q: A 100.0-g sample of water has an initial temperature of 25.0°C. The final temperature of the after…

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Q: The specific heat of aluminum is 0.214 cal/g.°C. Determine the energy, in calories, necessary to…

A: 1.) To calculate heat, we use the formula : q = m × C × dT  Where , m = mass  C =Specific heat…