Charcoal is primarily carbon. What mass of CO2 is produced if you burn enough carbon (in the form of charcoal) to produce 4.90 kJ × 10² kJ of heat? The balanced chemical equation is as follows: C(s) + O2 (g) → CO2 (g), ΔΗ -393.5 kJ Express the mass in grams to three significant figures. ο ΑΣφ т 3

Q: A 1423 kg car is traveling down the road at 94.2 km/h. While traveling at this rate of speed, what…

A: The kinetic energy of any moving objects is 12mv2, where m is the mass of the object and v is the…

Q: Since the water absorbs 127 J of heat, this means the unknown metal released 127 J of heat. Based on…

A:

Q: reaction for C,H, is 3) 12 CO, (g) + 6 H,O(1) + 6542 kJ and the heat produced from the burning is…

A: Final Temperature of water = 29.80°C

Q: Mass of hot water  89 g Mass of cold water  90 g T hot water  70 °C T cold water  27 °C T mixture…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: Enter your answer in the provided box. A gas expands and does P-Vwork on the surroundings equal to…

A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: Heat released by silver can be calculated as

Q: If a system has 48 J of work done on it and absorbs 22 J of heat, what is the value of AE for this…

A: Given: Work done on the system (w) = +48 J Amount of heat absorbed = +22 J

Q: 1) What is the specific heat capacity of a substance if 55.00 grams of this substance absorbs 198…

A: In thermodynamics specific heat capacity of sabstance is equal to the amount of energy required to…

Q: Consider the equation for the combustion of acetone(C3H6O), the main ingredient in nail polish…

A: Combustion is burning of fuels in the presence of oxygen. It is a highly exothermic reaction and…

Q: a. If 1410 J of heat are applied to a 100g piece of metal pipe and the temperature of the pipe rises…

A:

Q: A 1533 kg car is traveling down the road at 99.0 km/h. While traveling at this rate of speed, what…

A: Here we use the formula of kinetic energy K.E = 1/2 m* V^2 Where m = mass of car = 1533 kg V =…

Q: How much heat is given off to the surroundings when 7 g of aluminum reacts according to the…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: A chemist placed a 1.195 g sample of fuel in a bomb calorimeter which was immersed into 2.00 L of…

A: The mass of the fuel sample is = 1.195 g The increase in the temperature of the water is = 20.1oC to…

Q: 2. A system performs 3.63 kJ of work and gives off 8.98 kJ of heat. What is the change in energy of…

A: To solve this problem we will use First Law of Thermodynamics  .  According to this law  ∆E = q + w…

Q: What is the volume of ethanol required to heat 200.0g of water by 10.0 celsius? The density of…

A: Note: Thank you for question. Since the Heat combustion of ethanol and Specific heat of water is not…

Q: 3) The addition of CO2 to a solution containing calcium ions can lead to the formation of insoluble…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 748.0 mg sample…

A:

Q: A backpacker wants to carry enough fuel to heat 2.4 kg of water from 25∘C to 100.0 ∘C. If the fuel…

A: Given, Mass of water = 2.4kg. Initial temperature = 25oC Final temperature = 100oC.

Q: hemist carefully measures the amount of heat needed to raise the temperature of a 886.0 mg sample of…

A: Specific heat capacity is amount of heat needed to increase one gram of substance by one degree

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.00 kg sample…

A: Given,  Mass of the substance in kg = 1.00 kg  Initial temperature = Ti = 54.4 0C  Final temperature…

Q: 2C6H6() + 15 O2(g) – 12 CO2(g) + 6 H20(/) AH = -5.884 x 103 kJ - An unknown amount of C6H6(/) was…

A: Given 2C6H6(l) +15O2 (g) -> 12CO2 (g) + 6 H2O (l) Delta H = -5.884 × 103 KJ  For unknown amount…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: As mentioned, the student heats up the tungsten and then drops it into water. This means , the piece…

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A:

Q: Part D A1.6 kg block of iron at 28 °C is rapidly heated by a torch such that 18 kJ is transferred to…

A: Given that,  Weight of Iron block m = 1.6 Kg Initial temperature of iron block Ti, i = 28°C Final…

Q: Calculate the heat change (q) in J when 8.111 grams of water is cooled from 1.472 ºC to -2.592 ºC.

A: The heat change during a temperature change ca be calculated as follows. q=mc∆Tq=heat…

Q: 3. A gas does 135 J of work while expanding, and at the same time, it absorbs 156 J of heat. What is…

A: Given: (3) work done by gas=135J Absorbed heat=156J To find: change in internal energy of the…

Q: A 26.9 g rock rolls down the hill at a speed of 81.9 m/s. What is the Kinetic energy of the rock? (…

A: given mass of rock(m) = 26.9*10-3kg speed of rock(v)= 81.9 m/s kinetic energy (KE) =?

Q: If the monthly electricity consumption of a household is 6,619 kWh, what is this consumption…

A: 1 kWh = 3600 kJ

Q: A student heats 62.33 grams of chromium to 99.36 °C and then drops it into a cup containing 82.16…

A: Given, mass of chromium =62.33 graminitial  temperature of chromium =99.36 °Cmass of water =82.16…

Q: Octane (C8H18) is a component of gasoline that burns according to the following equation:…

A: the enthlpy change during the combustion of 1 mole of the substance is known as enthalpy of…

Q: ΔE of a system

A:

Q: After absorbing 1.850 kJ of energy as heat, the temperature of a 0.500 kg block of copper is 37 oC.…

A: Specific heat capacity is the amount of heat required to raised the temperature by 1 oC when heating…

Q: When 145 mL of 0.212 M NaCl(aq) and 145 mL of 0.212 M AgNO3(aq), both at 21.1°C, are mixed in a…

A: Moles of AgNO3 = Molarity× Volume = 0.212 M × (145/1000)L = 0.03074 moles

Q: 4. What speed must a 250.0 kg motorcycle be travelling at to have a kinetic energy of 2.8 x 10* J?

A: We nees to find the speed of motorcycle if, kinetic energy = 2.8×104 J and, mass = 250.0 kg

Q: You add 7000 J of heat to a piece of iron and you observe a temperature rise of 24.0 ∘C. What is…

A: Given that : Amount of heat added to the iron (q) = 7000 J Temperature rise ∆T = 24°C The specific…

Q: 4. How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL…

A: We know that specific heat is the amount of heat required to raise the temperature of 1 g of…

Q: Consider the following equation for the combustion of acetone (C3H6O), the main ingredient in nail…

A: Given, Equation of Combustion of acetone (C3H6O), C3H6O (l) + 4O2(g)  ➝ 3CO2(g) + 3H2O(g) ∆Hrxn =…

Q: A gas expands and does work on the surroundings equal to 2.17 L atm. At the same time, it releases…

A: First law of thermodynamics It states that the internal energy of a system is equal to the heat…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.75 kg sample…

A: Given: Mass of sample = 1.75 kg Initial temperature = 22.2oC Final temperature = 45.4oC Heat…

Q: Assume that the kinectic energy of a 1400-kg car moving at 115 km/h could be converted entirely into…

A:

Q: The ΔE of a system that absorbs 12.4 J of heat and does 4.2 J of work on the surroundings is…

A: Recall the following expression from first law of thermodynamics            ∆E=q + wHere,change in…

Q: What is the energy change of a system as it does 12 J of work and absorbed 27 J of heat?

A: To calculate the energy change of the system if the work done by the system is 12 J and it absorbs…

Q: A gas expands and does work on the surroundings equal to 4.92 L atm. At the same time, it releases…

A: Given: Work done (W) = 4.92 L atm Heat released by the system according to sign convention (q) = -…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 284.0 mg sample…

A:

Q: 1. A thermometer placed in a solution undergoing a chemical reaction indicates an increase in…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How much heat is given off to the surroundings when 6 g of aluminum reacts according to the…

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