What is the final resulting temperature when 35g of water at 75°C is mixed with 15g of water at 15°C? (Specific heat of water is 4.184 J/g°C). 56°C O 37°C 48°C 51°C

Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

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Q: 10. You need a water bath at 37.0 °C. The temperature of the cold tap water is 22.0 °C and the…

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

Q: Calculate the energy (in kj) required to heat 0.282 grams of water from -43.3 Celsius to -5.1

A: Heat required , Q=mc ×temperature difference.

Q: A 55 kg block of metal has an original temperature of 15.0°C and a specific heat capacity of 0.45…

A: Specific heat capacity (C) =       Q                                                       m ( T2…

Q: A metal radiator is made from 36.0 kg of iron. The specific heat of iron is 0.449 J g-1 °C-1. How…

A: The mass of iron metal is = 36.0 g The heat capacity of iron metal is = 0.449 J g-1 oC-1 The…

Q: A (5.80x10^1) g sample of water (C = 4.18 J / g ºC) initially is at 30.2ºC. What is the final…

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Q: Given 35.0 grams of aluminum at 22.0 °C. What will be the final temperature of the Al if 300.0…

A: Specific heat :-  The amount of heat required to raise the temperature of 1 gram of a substance…

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: 7. A 10.0 g sample of a metal is heated to 75.0 °C and then added to 20.0 g of water at 22.7 °C in…

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Q: The specific heat of a certain type of cooking oil is 1.75 J/(g-°C). How much heat energy is needed…

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Q: Iron metal reacts with Oxygen gas to produce Iron (III) oxide according to the reaction. AH= -1652…

A: Given that , DelH = -1652 KJ  The balanced chemical reaction is given by , 2 Fe(s) + 3 O2(g)…

Q: A metal radiator is made from 14.0 kg of iron. The specific heat of iron is 0.449 J g °C. How much…

A: The mass of iron is = 14.0 g The specific heat of iron is = 0.449 J.g-1.oC-1 Increase in the…

Q: When a 3.46-g sample of solid sodium nitrate dissolves in 41.5 g of water in a coffee-cup…

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Q: How much energy is needed to heat 180g of water from 28.0 C to 95C. The specific heat of water is…

A: Mass of water = 180g  Specific heat of water = 4.184j/g°C Change in temperature, ∆T = 95- 28…

Q: A  296.0 g piece of granite, heated to  601.0°C in a campfire, is dropped into  1.15 L water (d =…

A: Mass of granite piece=296.0 g  The volume of water=1.15 L=1150 mL The density of water, d = 1.00…

Q: 7. Calculate the specific heat of glass from the following data. The temperature of a piece of glass…

A: The answer is given as follows

Q: A 35.0-g sample of water at 25°C is mixed with 45.0 g of water at 88°C. Calculate the final…

A: Calculate for the final temperature of the mixture see step-2 for further Calculation and concept…

Q: The specific heat capacity of methanol is 2.51 J/(g•C). Find the heat required to raise the…

A: Given: The specific heat capacity of methanol is 2.51 J/(g oC).  Mass of methanol given = 80 g…

Q: When a 9.01-g sample of solid iron(II) chloride dissolves in 55.7 g of water in a coffee-cup…

A: heat of dissolution is heat released when a salt is dissolved in water and it breaks into ions and…

Q: which material (aluminum , copper , lead) increase the temperature of water by the greatest amount…

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Q: 28.5 g piece of gold is heated and then allowed to cool. What is the nange in temperature (°C) if…

A: According to the question, 28.5 g of gold is heated and then allowed to cool down.  Also, molar heat…

Q: When a 7.94-g sample of solid potassium chlorate dissolves in 46.3 g of water in a coffee-cup…

A: Mass of sample = 7.94 g  Mass of water = 46.3 g Initial temperature = 23.00 °C Final temperature =…

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: A chunk of lead at 91.7°C was added to 400.0 g of water at 15.5°C. The specific heat of lead is…

A: Just apply  Heat given = Heat taken

Q: Mass of iron 64.8973 g Mass of water 61.9272 g Initial temperature of iron (boiling water Tm) 98.0…

A: Given: Mass of iron = 64.8973 g Mass of water = 61.9272 g Initial temperature of Iron (Boiling…

Q: The specific heat capacities for several substances are shown in the table. Substance Specific Heat…

A: Specific Heat Capacity is the amount of heat required to change the temperature of a unit mass…

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: Consider the following thermochemical reaction for kerosene: 2 C12H26 (1) + 37 O2 (g) 24 CO2 (g) +…

A: The given balanced chemical equation is: 2 C12H26 (l) + 37 O2 (g)→ 24 CO2 (g) + 26 H2O (l)…

Q: When 25.0 g hydrogen gas react according to the following reaction, how many kJ of heat are released…

A: Given thermochemical equation is  CO(g) + 3H2(g)   --> CH4(g) + H2O (g)  ;  ∆Hrxn = – 206 kJ Mass…

Q: Suppose you heat a metal object with a massive 31.6 G to 95.5 C and transfer it to a calorimeter…

A: Given : Mass of water = 100.0 g Mass of metal = 31.6 g Initial temperature of water = 17.8 oC Final…

Q: A piece of unknown metal with a mass of 15.24 g is heated in boiling water to 96.17°C and then…

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Q: A 90.0 g piece of metal, initially at 98.6°C, is placed into 120.0 g of water initially at 24.3°C.…

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Q: 4. Calculate the amount of heat (in kJ) required to raise the temperature of a 45.0 g sample of…

A: Heat required to raise the temperature of 1g of substance through 1°C is known as specific heat…

Q: How much energy is required to raise the temperature of a 22.588g piece of silicon (Si) to 56.0°C…

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Q: 35 g of aluminum (specific heat 0.88 J/g °C) at 24 °C are placed in 180 mL (180 g) of coffee at 85…

A: Given :         Mass of Aluminium = 35 g          Specific heat = c = 0.88 J/g0C…

Q: A 350g sample of aluminum is taken out of the freezer at –20oC and placed into 500g of water at 14.6…

A: Given Mass of water = 500 g Initial temperature = 14.6°C Final temperature = 10°C Mass of…

Q: A 25.0g piece of aluminum sits in a room and cools.  It loses 4300.0 J of heat. If the initial…

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Q: A 77.5g piece of brass is heated so that its temperature is 98.7◦C. Next, it is quickly placed in a…

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Q: 4. Calculate q when 12.0 g of water is heated from 20 °C to 100 °C (specific heat of water 4.18…

A: q = m C ∆T q = heat lost / gain m = mass of substance C = specific heat capacity ∆ T = final…

Q: An unknown hot metal at 122.41°C with a mass of 53.37g was mixed with 28.15g of water at an initial…

A: We have to calculate the  specific heat of the unknown metal.

Q: A 142.7 g piece of copper (specific heat 0.38 J/g °C) is heated and then placed into 400.0 g of…

A: Write the expression to calculate heat change of a system due to change in temperature. ∆H=ms∆t…

Q: A cup contains 195 g195 g of coffee at 99.3 °C99.3 °C. Suppose 63.4 g63.4 g of ice is added to the…

A: Given data mass of coffee = 195 g initial temperature of coffee = 99.3 oC mass of ice added = 63.4 g…

Q: A chemist heats 30.90g of lead to 74.21 C, then places the metal sample in the cup of water initial…

A: Assuming that the final temperature of water + lead in cup is T in degree Celsius. Hence the energy…

Q: 10. An insulated cup contains 75.0 g of water at 24 °C. A 26.0 gram sample of metal at 82.25 °C is…

A: Given data : Mass of water (mw) = 75 g The temperature of water = 24°C The specific heat of water…

Q: If the temperature of 12.80 grams of ethanol increases from 26.0°C to 74.0 °C, how much heat has…

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Q: The specific heat of a certain type of cooking oil is 1.75 J/(g-°C). How much heat energy is needed…

A: Solution - According to the question - Given values are - M = 1.75 J T = (191-23) = 168 Formulas -…

Q: How much energy is required to raise the temperature of 1000.0 g of water from 23.00o C to 26.00o C?…

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Q: The specific heat of aluminum is 0.897 J/g·°C and the specific heat of water is 4.18 J/g·°C.  If a…

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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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