The amount of energy required to heat water for a 10-minute shower (50 gallons) is 2.2125 kJ. How many calories is this? Report the answer in scientific notation.

Q: A 126 g piece of metal is heated to 2.80x102 °C and dropped into 87.0 g of water at 26.0 °C Part A…

A: Given : Mass of water = 87.0 g Mass of metal = 126 g Initial temperature of water = 26.0 oC Final…

Q: When a 100-gram cylinder of copper, initially at 100° C, is placed in 100 grams of household…

A:

Q: 80.2 grams of a metal that is at temperature 95.15 °C is placed in 257.0 mL of water at 19.06 °C.…

A: Given mass of metal = 80.2 g density of water = 1g/ml volume of water = 257 ml specific heat of…

Q: a 43.0 g piece of hot iron is placed in 158.1 g of water with an initial temp of 23.9 degree…

A: Heat lost or gained is calculated by the formula Q=mcΔTwhere,Q=heatm=massc=specific heat…

Q: 123. In a grammatically correct sentence or two (and in your own words), describe what heat and…

A: Heat and temperature, both are very important thermodynamic quantities. They both are quiet…

Q: A 24.817 gram sample of water with specific heat of 4.184 J/g0C changes temperature from 25.00 0C to…

A: Given :-  Mass of water = m = 24.817 g Initial temperature of water = Ti = 25.00 °C  Final…

Q: How many calories of energy does it take to heat 17.10 grams of water from 30.3 °C to 85.1 °C? Note:…

A: •Firstly discuss about SPECIFIC HEAT:-Specific heat is required energy in calories to increase…

Q: Before heating 4 qt. saucepan 8 qt. stockpot 24.5 °C Temp. 24.5 °C Temp. After heating for 5 minutes…

A: Water has specific heat constant of 4.184 J per g per oC which means that 4.184 J of energy is…

Q: A 12.48g sample of an unknown metal, heated to 99.0˚C was then plunged into 50.0mL of 25.0˚C water.…

A: Given, Mass of the sample = 12.48 g Initial Temperature of water = 25.0 oC Final temperature of…

Q: A 92.9-g piece of a metal is heated to 178.0 °C, and then cooled to 29.7 °C by removing 14052.6 J of…

A: Given: Mass of metal=92.9 g Temperature change, ∆T=(29.7-178.0)°C=-148.3 °C The heat released q…

Q: thermometer A 56.0 g sample of iron is put into a calorimeter (see sketch at right) that contains…

A: For Iron: Mass of sample of iron (miron) = 56.0 g Specific heat capacity of iron (Cpiron) = ?…

Q: Pick your favorite snack. How many calories are in one serving? How many joules are in one serving?…

A: The value carried by all substances like solids-liquids that provides heat which is essential to…

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL of…

A: Heat flow from high temperature to low temperature

Q: 90. A 100-g block of iron metal and 100 g of water are each warmed to 75 °C and placed into two…

A: There are few terms which should be known to answer this question. Specific heat: It is the heat…

Q: How many grams of water at 100 c could be changed from liquid to gas if 4320 calories of heat were…

A: Here we have to use standard value of heat of vaporization of water. Using that value we can…

Q: A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celcius is added to 50.00 grams of…

A:

Q: Calculate the energy needed to heat the cube of silver, with a volume of 10.0 cm, from 18 °C to 26 "…

A: Given : Volume of silver cube = 10.0 cm3 = 10.0 mL                                   (since 1 cm3 =…

Q: How many grams of sugar Are needed to release 49,000 J of heat?

A: To determine the gram of sugar needed to release 49000 j of heat.

Q: [9] What will happen if a hot coffee is poured into cold water? Select one: a.The coffee will…

A: The heat flow from High temperature to low temperature . Means heat flow from hot body to cold body…

Q: 1. If in air at 60 a body cools from 90 to 80 in 10 minutes, find its temperature 20 minutes later.

A:

Q: If I had 100g of each- water, copper, gold, and silver- and I applied 100J of energy to each…

A: The substances considered are water, copper, gold and silver.

Q: Calculate the amount of heat required to raise the temperature of 24.2 g of water from 1.3°C to…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

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

A: True or False !

Q: A typical recipe for a hot toddy (a drink often used as a cold remedy) is to mix hot water…

A: The amount of energy absorbed by 16 oz. of water is 33 kcal. The amount of hot water mixed with 1.5…

Q: Determine the Kinetic Energy done by a racquetball (40.0-gram) traveling at 134-mph. Convert to…

A: Solution: Given: m = 40 gram, v = 134mph Kinetic energy is a kind of energy the object have due to…

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL of…

A: Since the density of coffee is 1.0 g/ml.Mass of 180ml coffee is 180 g.If the final Temperature is…

Q: a 16.7 g polystyrene foam cup containing 31.0 mL coffee changes in temperature from 18 degrees…

A: Given: Mass of polystyrene foam cup = 16.7 g Volume of coffee = 31 mL = 31 x 10-6 m3 Change in…

Q: A piece of metal weighing 83.60 g was heated to 99.6°C and then put into 41.90 g of water (initially…

A: Introduction: Specific heat: The quantity of heat required by a 1mole of substance to raise the…

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

A:

Q: How much heat is needed to heat 25.00 grams water from 10.00 degrees C to 25.00 degrees C

A: Specific heat capacity (s) :- The amount of heat required to increase the temperature of one gram ia…

Q: The energy needed to keep a 75 - watt lightbulb burning for 1.0 hr is 270kJ. Calculate the energy…

A:

Q: 1. A hot tub is filled with 570 gal of water a. What is the volume of water, in liters, in the tub?…

A: (a)Volume of water (in Liters) is calculated as follows,

Q: The nutritional calorie (Calorie) is equivalent to 1 kilocalorie. One pound of body fat is…

A: Given quantity of energy,       4.10 ×103 Calories

Q: A 25.00 gram sample of an unknown metal initially at 99.0 degrees Celcius is added to 50.00 grams of…

A: Given data contains, Mass of unknown metal = Mm = 25.0 g Initial Temperature of unknown metal =Tm =…

Q: nimals do not make their own food from energy in sunlight . Do they still depend on the sun for…

A: As it is known that only plants make their own food with the help of sunlight. But do animals also…

Q: An adult eats food whose nutritional energy totals approximately 2100 Cal per day. The adult burns…

A:

Q: The heat required to raise the temperature of a large cup of water(for coffee) from room temperature…

A: Heat required (q) = 100KJ  We know that:  1kcal = 1000cal = 4.184KJ

Q: qmetal = -1710 J and qH2O = 1430 J.  ΔTH2O = 10.1 oC.  Calculate the calorimeter constant, Ccal in…

A:

Q: A 2.5 kg sample of copper at 24.1 degrees C experiences a change in temperature to 19.7 degrees C.…

A: The given problem can be solved by using the formula given below as; q = m C ∆T…

Q: Show how to determine and then calculate the final temperature of a 195 g copper pan when 5925…

A: To determine the final temperature of a copper pan. Take the copper pan in hot water. The…

Q: An adult eats food whose nutritional energy totals approximately 2200 Cal per day. The adult burns…

A: The amount of energy which is accumulated as fat in one day is 2200cal – 2000cal = 200cal.  The…

Q: In joules, how much heat is released when 42.0 g of Ag cools from 182. degrees C to 126. degrees C?…

A:

Q: A nutritional bar contains 8575 nutritional calories. How many joules of energy is this?

A:

Q: If the energy in a serving of food can heat up 450,000 g of water 1 degrees C how many calories are…

A: Calories served can be calculated using the following equation: Q = m.s.ΔT Where Q = energy per…

Q: The nutritional calorie (Calorie) is equivalent to 1 kilocalorie. One pound of body fat is…

A: Since nutritional calorie = 1 kilocalorie Thus, one pound of body fat = 4.10 X 103 kilocalorie

Q: A 25.0 g sample of silver metal was heated to 179 degrees C and then placed in a calorimeter holding…

A: Calorimetry is used to measure the change in the state variables such as temperature change during…

Q: If a 33.76 gram piece of porcelain which has a specific heat of 1.07 J/goC absorbs 1,936.56 J of…

A: Given: Mass of the porcelain piece is 33.76 g. Specific heat is 1.07 J/g °C. The energy absorbed is…