The specific energy of coal is 15 MJ/kg. If I burn 57.7 kg of wood. How much energy will be produced in kW after an hour? (Answer must be in four significant figures in number form with no units. Examples: 3478, 123.4, 23.27, 0.2829, or 2.345. Round-off if possible.) *

The specific energy of coal is 15 MJ/kg. If I burn 57.7 kg of wood. How much energy will be produced in kW after an hour? (Answer must be in four significant figures in number form with no units. Examples: 3478, 123.4, 23.27, 0.2829, or 2.345. Round-off if possible.) *

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m -specific heat capacity of…

Q: You have a 15.0 gram sample of gold at 20.0°C. How much heat does it take to raise the temperature…

A: Heat supplied, Q = msdt

Q: Which has more kinetic energy: a 0.0018-kg bullet traveling at 403 m/s or a 5.3 107-kg ocean liner…

A: As we know kinetic energy involved the motion. Therefore the formula we are going to use to…

Q: gram of gasoline produces 45.0 kJ of energy when burned. Gasoline has a density of 0.77 g/mL. How…

Q: A gram of gasoline produces 45.0kJ of energy when burned. Gasoline has a density of 0.77/gmL. How…

A: Gasoline is a petrolium substance and contain the number ofcarbon atom C4 to C12 and gasoline is a…

Q: The specific heat of iron is 0.110 cal/g celcius. The heat of fusion of iron is 63.7 cal/g. The…

A: Answer: It is a 2 step process 1. Heating of solid iron up to its melting point 2. Melting of solid…

Q: Joules (J) are a measure of energy. Chemists often measure energy in calories (cal). If 1 cal =…

Q: A gram of gasoline produces 45.0 kJ of energy when burned. Gasoline has a density of 0.77 g/mL. How…

A: The energy released by 1 g of gasoline = 45.0 kJDensity of gasoline = 0.77 g/mLVolume of gasoline =…

Q: The density of a specific substance is 1.23 g/cm3. Likewise, it has a specific heat of .645 cal/g…

A: Given data, Density of a substance = 1.23 g/cm3 Specific heat (s) = 0.645 cal/g°C Mass of sample…

Q: A 59.6 g piece of hot iron is placed in 153.2 g of water with an initial temperature of 24.5°C. The…

Q: Annotated Bibiliography - G x b Answered: in a large buildin x G If the final temperature of th x…

A: Q = m*Cp*∆T

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: How much energy is necessary to heat 8.0 kg of water from room temperature (20°C) to its boiling…

A: GivenMass of water given = 8kg = 8000gDifference in temperature=…

Q: A 46.4 g piece of hot iron is placed in 154.1 g of water with an initial temperature of 24.4°C. The…

Q: what is the mass (in grams) of the sample?

Q: In a calorimetry experiment, a 41.9 g piece of metal at 110. °C is put into a cup of cool water that…

A: GivenMass of water = 92.1 g = MInitial Temperature of water = Ti = 22.0°CFinal Temperature of water…

Q: 261.28 mL of 4.0°C water is heated until its temperature is 48.24°C. If the specific heat of water…

Q: If a battery releases 566.8 J of energy and 201 J are used for work, how much energy is released as…

A: Given : Total energy released by battery = 566.8 J Energy used for work = 201 J

Q: A 19.0 gram sample of iron is initially at 414.0 °C. It loses 192.0 J of heat to its surroundings.…

Q: An amount of food is burned and releases 3600.0 of calories of energy. What mass of water can be…

A: The energy released by the burning of the food is = 3600.0 calories The change in the temperature of…

Q: 9. Portable butane stoves are often used during camping. Consider using a butane stove to boil some…

A: Heat gained/lost = Mass * Specific heat capacity * Temp change

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

A: To raise the temperature by 1∘ Celsius of a particular substance then for this a certain amount of…

Q: In metric terms, a typical automobile averages 5.76 km/L of gasoline burned. Gasoline has a heat of…

Q: Burning one gram of gasoline produces 47.9 kJ of energy. Express the heat energy In kilocalories (…

A: The given information is as follows: The gasoline produces energy = 47.9 kJ The energy produced in…

Q: Carbohydrates serve as a vital source of chemical energy to the human body. Carbohydrates are broken…

A: We have to convert 119 KJ = ? KCal

Q: An amount of food is burned and releases 6800.0 calories of energy. What mass of water can be heated…

A: The amount of heat transferred in a system is calculated as follows,…

Q: Find the kinetic energy of the ball.

A: Given :- mass of ball (m) = 23.44 kg speed of ball (v) = 2.55 m/s To calculate :-…

Q: How much energy would it take to heat a section of the copper tubing that weighs about 520.0 g ,…

A: Given:Mass of Cu = 520.0 gHeating from 14.68 ∘C to 21.23 ∘CSpecific heat of Cu 0.3850 J/(g⋅∘C).

Q: The cooling system in an automobile holds 10.0 L (11,100 g) of ethylene glycol antifreeze. How much…

A: Mass of ethylene glycol (m) = 11,100 g Change in Temperature ΔT = 108.2 °C —18.8 °C = 89.4 °C…

Q: 1. A chemical reaction produces 210 J/g. How much energy is this in units of cal/lb? 1 pound = 16…

A: According to the question we have The energy of the reaction is given by = 210 J/g we have to…

Q: How many calories are required to raise the temperature of a 150.g sample of gold from 25 Celsius to…

A: Given data is as follows: The mass of the gold sample = 150 g The initial temperature of gold Ti= 25…

Q: When a 0.67-g sample of olive oil is burned in a calorimeter, the heat released increases the…

Q: The specific heat of aluminum is 0.900j/g*C, how many joules of energy are required to raise the…

A: Specific heat : The amount of heat is required to raise the temperature of one gram compound by one…

Q: What mass of natural gas (CH4) must you burn to emit 329 kJ of heat? CH₂(g) + 20₂(g) → CO₂(g) +…

Q: A 225 g of sample of aluminum was heated to 125.5 oC, then placed into 500.0 g of water at 22.5 oC (…

A: Given information:Mass of sample of aluminum = 225 gMass of water = 500.0 gInitial temperature of a…

Q: The specific heat of lead is 0.13 J/g °C. How much heat (in J) is required to raise the temperature…

A: Specific heat capacity of a substance is equal to the amount of heat energy is used to change the…

Q: he density of liquid oxygen at its boiling point is 1.14 kg/L , and its heat of vaporization is 213…

A: Heat of vaporization for 1 kg of liquid oxygen = 213 kJ

Q: When a 0.69-g sample of olive oil is burned in a calorimeter, the heat released increases the…

A: The amount of energy for a particular amount of matter present at specific temperature with specific…

Q: Solve these as conversions (start with 1 unit) or formulas. What is the energy needed if the heat…

A: Given information: Heat capacity = 1919 J/g Mass = 222 g

Q: 20.0 g of an unknown metal receives 1,405 joules of heat and experiences a temperature increase of…

Q: A water heater contains 54 gal of water. How many kilowatt-hours of energy are necessary to heat the…

A: Step 1-We have to calculate the value of energy in kilowatt hours necessary to heat the given water…

Q: How much work is done by an Olympic bicyclist who accelerates from 5.0 m/s to 10.0 m/s? The mass of…

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

Q: What is specific heat? The specific heat of copper is 0.385 J/goC. Determine the energy required…

A: Specific heat of copper, c = 0.385 J/g°C Mass of copper M = 250.0 g Change in temperature ∆T =…

Q: aluminum metal has a specific heat of 0.901 j/g*c. How much heat is transferred to a 6.75 g peice of…

A: Given,Mass of aluminium = 6.75gInitial temperature = 20 degree CelsiusFinal temperature = 100 degree…

Question

The specific energy of coal is 15 MJ/kg. If I burn 57.7 kg of wood. How
much energy will be produced in kW after an hour? (Answer must be in
four significant figures in number form with no units. Examples: 3478,
123.4, 23.27, 0.2829, or 2.345. Round-off if possible.) *

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The specific heat capacity of liquid bromine is 0.226 J/g-°C. How much heat (in Joules) is required to raise the temperature of 15.2 mL bromine from 25.0°C to 27.6°C? The density of liquid bromine is 3.12 g/mL. Show your answer in TWO (2) decimal places. Do NOT include the units.
110.0 g of iron is heated to 92.7 degrees C and then place in a container of water at 22.3 degrees C. The final temperature of the water and iron is 26.3 C. What is the mass of water in the container, assuming that all the heat lost by the iron is gained by the water. (significant figures needed) thank you!
Stainless steel accessories in cars are usually plated with chromium to give them a shiny surface and to prevent rusting. When 5.00 g of chromium at 23 degrees Celsius absorbs 14.9 calories of heat, the temperature increases to 50.8 degrees Celsius. What is the specific heat of chromium (in cal/g degrees celsius)?
A 0.25g sample of a pretzel is burned. The heat it gives off is used to heat 50. g of water from 18 degrees C to 42 degrees C. What is the energy value of the pretzel, in kcal/g?
An iron nail with a mass of 12 g absorbs 11 J of heat. If the nail was initially at 29 ∘C∘C, what is its final temperature? Express your answer using two significant figures.
A) An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C, what is its final temperature? Express your answer using two significant figures. B) When 47.1 J of heat is added to 13.8 g of a liquid, its temperature rises by 1.74 ∘C. What is the heat capacity of the liquid?
If the specific heat of a ceramic cup is 0.583 J/(g °C), how much heat (in J) is required to raise the temperature of the cup from 20.1°C to 87.1°C, given that its mass is 14.4 g? Enter your answer as a number without units. Use either standard or exponential format. A number 324.5 in exponential format is 3.245E2.
8.42×104 J to Cal Express the value in Calories to three significant figures, please.
A 40.4 g piece of hot iron is placed in 152.3 g of water with an initial temperature of 24.7°C. The temperature of the combination rises to 25.6°C. What was the initial temperature of the iron? The specific heat of iron is 0.449 J/g°C. Please give your answer to one decimal place.
A home swimming pool contains 156 m3 of water. At the beginning of swimming season, the water must be heated from 20.0°C to 30.0°C. a) How much energy (in kJ) must be supplied? b) If a natural gas heater supplies this energy with an 75.3 % heat transfer efficiency, how many grams of methane must be burned? (The heat of combustion of methane is -803 kJ/mol.)
A gram of gasoline produces 45.0 kJ of energy when burned. Gasoline has a density of 0.77 g/mL. How would you calculate the amount of energy produced by burning 44. L of gasoline? Set the math up. But don't do any of it. Just leave your answer as a math expression. Also, be sure your answer includes all the correct unit symbols. energy produced = Continue 0x10 00 X 4 O 0.0 S revee muuraw Hill LLC. All Rights Reserved. Submit Assignment Terms of Use | Privacy Center | Accessibility
A particular frost-free refrigerator uses about 790 kWh of electrical energy per year. - Express this amount of energy in kilojoules (kJ). - Express this amount of energy in Calories (Cal). - Express this amount of energy in joules (J).