100 grams of hot water at 80 °C is combined with 50 grams of cool water at 20 °C. What is the final temperature in °C of the combined water?

Q: How much heat is absorbed when 1434 grams of ice melts at its melting point. The heat of fusion of…

A: Heat of fusion is defined as the amount of energy required to convert one mole of a solid to liquid.…

Q: Calculate the amount of heat needed to melt 108.g of solid methanol (CH3OH) and bring it to a…

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Q: How much solution could be heated to boiling by the heat evolved by the dissolution of 22.5 g of…

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Q: How many grams of N a Cl would need to be added to 558.00 grams of water to lower the freezing point…

A: Given : freezing point of solution = -12.8 oC. And mass of water i.e solvent = 558.00 g = 0.558 Kg…

Q: Ethanol, C2H6O, reacts in the body via the following equation: C2H6O(aq)+3O2(g) →2CO2(g)+3H2O(l)+327…

A: From given balanced equation there is demand to find amount of ethanol when 1390 KJ of heat is…

Q: A Chemistry 1A student drops 65.0 grams of copper (cp = 0.385 J/g⋅°C) with an original temperature…

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Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Mass of chromium, m1 = 18.5 g Mass of water, m2 = 81.3 g Temperature of chromium, T = 98.04 °C…

Q: Calculate the amount of heat needed to met 77,0 g of sold ethanol (CH,CH,OH) and bring it to a…

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Q: How much heat in kJ must be added to 175 g of w

A: Specific heat capacity of any material (represented as c) is amount of heat required to raise 1 gram…

Q: Calculate the amount of heat needed to boil 148. g of water (H2O), beginning from a temperature of…

A: Given Data:Mass of water (m) = 148 gInitial temperature = 27.7 °CBoiling point of water = 100…

Q: If you combine 400.0 mL of water at 25.00 °C and 130.0 mL of water at 95.00 °C, what is the final…

A: This numerical will be solved using the heat equilibrium formula that is given as:…

Q: A home swimming pool contains 15 m3 of water. At the beginning of the swimming season, the water…

A: Volume of water = 15 m3Density of water = 1000 kg/m3Mass of water = volume x density = (15 m3) x…

Q: Write a balanced equation for the combustion of gaseous methane (CH,), a majority component of…

A: A chemical equation is the simplest and easiest way to write the chemical formula of each of the…

Q: A 489.9 gram sample of aluminum is initially at 25.7 C. It absorbs 38.27 kJ of heat from its…

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Q: Calculate the amount of heat needed to boil 44.5 g of hexane (C,H,4), beginning from a temperature…

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Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Given data : Mass of copper(mc) = 18.9 gms Temperature of copper(Tc) = 99.38°C Mass of water(mw) =…

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: The large specific heat of water limits large fluctuations in temperature near bodies of water…

A: True or False !

Q: D 1. A student claimed that the kinetic energy of E to F is lower than the kinetic energy of A to B.…

A: The following graph is know as the heating curve in which with temperature various phase changes are…

Q: Calculate the quantity of heat required to raise the temperature of 20.0 g of water from 19.1 °C to…

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Q: Supposed your refrigerator can remove heat at a power of 100 watts (100 joules per second), how long…

A: The amount of heat in changing the temperature is given by  q = mC(Tf - Ti) where, m is mass, C is…

Q: A sample of copper was heated to 275.1°C, then placed into 272g of water at 21.0°C. The temperature…

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Q: Dennis obtained a clean, dry stoppered flask. He determined the mass of the flask and stopper to be…

A: Mass of empty flask and water filled flask.

Q: A particular pair of human lungs have a volume of 2 L when inflated. At this volume, the temperature…

A: This is an example of applications of Charles law  Which states at constant pressure The volume Of a…

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: In the laboratory a student finds that it takes 48.7 calories to increase the temperature of 11.6…

A: Using formula of specific heat capacity and by putting values given we have solved this problem.

Q: If you combine 370.0 mL of water at 25.00 °C and 130.0 mL of water at 95.00 °C, what is the final…

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Q: When a 43.0 g piece of aluminum was placed in 250. g water at 20.4 degrees C, the temperature raised…

A: Given data: Mass of the aluminium, M = 43.0 g Specific heat of the steel, Caluminum = 0.900 J/g/oC…

Q: The temperature of a sample of iron with a mass of 10.0 g changed from 25.0 degree C to 50.4 degree…

A: We can relate the heat change of a system to the product of the mass of the system, the specific…

Q: What steps do I take to convert .00368 x 103 kJ to microJ?

A: J represents Joules. Joules is a unit of energy. The conversion factor for the conversion of kJ to…

Q: Calculate the amount of heat needed to boil 108. g of octane (CgH18), beginning from a temperature…

A: Please find your solution below :

Q: The specific heat of water is 4.184J/g°c. How many joules of heat will be removed from 2.00g of…

A: The amount of heat absorbed or released is related to specific heat capacity as,…

Q: If 391.5 Joules of heat are added to 27.96 grams of a liquid, raising the temperature of the liquid…

A: Heat energy released or absorbed can be determined by using the formula:  Q = m×C×∆T  -----(1)…

Q: Riding a bicycle t 4-5 miles per hour uses 209. Calories in an hour. Be sure each of your answer…

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