From Einstein’s most famous equation, how much energy in British therrmal unit (btu) can theoretically be released from 38 moles of hydrogen gas? [1 btu=1055.056 joules], [1 Joule = 1kg m²/s²]

Q: Together, a pure gold ring and a pure titanium ring have a mass of 15.06 g.15.06 g. Both rings are…

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

Q: Given the thermochemical equation for photosynthesis, calculate the solar energy required to produce…

A: The following formula is applied to solve for the answer. ∆H=En where, '∆H' is the molar enthalpy of…

Q: Part 7) Looking towards summer, pretend for a moment that you won a scooter. You are so excited to…

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Q: Consider a cloudless day on which the sun shines down across the United States. If 2529 kJ of energy…

A: Given : Total energy reaching per square meter per hour = 2529 KJ/m2.h And area of US = 9,158,960…

Q: (a) A 2-inch piece of two-layer chocolate cake with frosting provides 1670 kJ of energy. What is…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Consider light with a wavelength of 1.25 x 1010 m. How much heat is required to heat 1.00 cup (237…

A: Note - The first statement is irrelevant to the question. So, ignoring that, we will solve the below…

Q: from the combustion of hydrazine, N₂H4, is used to power rockets into space in the The energy…

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Q: What is energy and what units are used to measure energy?

A: The term energy and what units are used to measure energy has to be defined

Q: 2. If a metal has a mass of 27 q and it requires 420 J of heat energy to increase temperature from…

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Q: Nitrogen gas mixes with hydrogen gas to produce ammonia gas (NH3). How much energy is required or…

A: Energy produced by this reaction is equal to -91.8 KJ/mol N2 + 3H2 -------> 2NH3        DEL Ho=…

Q: A 136-lb student races up stairs with a vertical height of 4.8 m in 6.0 s to get to a class on the…

A: given: mass = 136 lb  mass in kg = (136 lb / 2.2 ) = 61.8 kg gravity g = 9.8 ms-2 time t = 6.0…

Q: Decide how the objects in the following table would be listed, if they were listed in order of…

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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: (a) A piece of aluminum with mass of 25.0 g is immersed in 25.0 g of water. This system is heated…

A: a. Given: Mass of aluminium = 25.0 g Mass of water = 25.0 g Change in temperature is 27.6 to 41.8 oC…

Q: Type of Heat Transfer: Conduction, Convection, Radiation 1) Energy transferred by electromagnetic…

A: Heat Transfer;  It is defined as the transfer of heat between two bodies having different…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: In every reaction total energy is conserved. From Energy conservation law,E=mc^2 E=energy produced…

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,03(s) → 4 FeO(5)+O,(g)…

A: The given mass of Fe2O3 is 11.7 g. The given reaction is, 2Fe2O3s→4FeOs+O2g         ∆H=560 kJ

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) → 4 Fe(s)+O,(9)…

A: For the given reaction, we need to calculate the amount of heat absorbed/released.

Q: If 7.30 kJ of energy are required to change the temperature of a sample of  water from 5.0 oC to…

A: For any substance weighing 1.0 g, the heat essential for raising the temperature by one Kelvin or…

Q: A light bulb consumes energy at a rate of 80.0 joules per second. How long in seconds will it take…

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Q: Supposed you want to cool a liter of water (equivalent to 1 kilogram) from room temperature (26°C)…

A: Heat flow from high temperature to low temperature. We will use Q= mc(T2-T1)

Q: How much energy (in J) is required to warm 25.0 grams of water from 0.0°C to 8.1°C? For comparison,…

A: As there is no phase change occurs, amount of energy is equal to the product of mass, specific heat…

Q: Laboratory quantities of ethylene gas, CaHa(g), can be prepared by an elimination reaction of…

A: In order a reaction to proceed conversion from reactant to product, it involves some amount of heat…

Q: In one experiment you reacted 45.7 g of Alumin um with 182.8 g of Iron (III) oxide to produce…

A: Reaction involved is:

Q: If 7.30 kJ of energy are required to change the temperature of a sample of  water from 5.0 oC to…

A: The energy required to raise the temperature of 'M' g of a substance by 'T' degree celsius is given…

Q: Decide how the sketches below would be listed, if they were listed in order of decreasing potential…

A: Explanation~

Q: Suppose it took 108 joules of energy to raise a bar of gold from 25.0°C to 29.7°C. Given that the…

A: Q = 108 J  Tf = 29.7°C  Ti = 25.0 °C  m = ?

Q: Decide how the objects in the following table would be listed, if they were listed in order of…

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Q: 6. Two units for energy are and

A: Energy is the capacity to do work or to produce heat.

Q: Arsenic trichloride can be prepared through the reaction of arsenious oxide with concentrated…

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Q: The First Law of Thermodynamics, known as Conservation of Energy, states that when energy is…

A: Explained as follows

Q: What is the theoretical yield of ammonia (in grams) if 16.55 grams of nitrogen gas and 10.15 grams…

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Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A:

Q: For the following reaction, what is the energy released, in GJ/mol? (1 GJ = 1E9 J) Use 2.998E8 m/s…

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Q: Thermochemistry is a branch of chemistry that qualitatively and quantitatively describes the energy…

A: I) Kirchhoff's law describe the given graph. Kirchhoff's Law describes the enthalpy of a reaction's…

Q: If 9.20 kJ of energy are required to change the temperature of a sample of  water from 10.0 oC to…

A: We can solve the problem by considering the following equation : q = m × C × Tfinal - Tinitial Where…

Q: i. 2 HCI(g) + 0,(g) H,0(g) + Cl, ΔΗ 73,5 k) ii. 2 C,H,0(1) + 0½(g) 2C2H,0(1) + 2H,0(1) AH =-508,7 kJ…

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Q: 1. is a form of kinetic energy that is produced by the movement of molecules. A. Electromagnetic…

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

Q: It takes 1.25 kJ of energy to heat a certain sample of pure silver from 12.0°C to 15.2°C. Calculate…

A: The question is based on the concept of specific heat capacity.   amount of heat required to raise…

Q: what is the heat formation of electron?

A: Heat formation of electron  is also called as "electron gain enthalpy" .

Q: If a glove with a mass of 78.0 grams composed of cotton increases in temperature by 16.7 °F, how…

A: The question is based on the concept of specific heat capacity.   amount of heat required to raise…

Q: A cup with 21.9 g of water is left out in the sun and heats up from 12.2°C to 23.1°c. How much…

A: Given: The mass of water = 21.9 g The initial temperature of the water = 12.2 oC The final…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Given that, the mass of the reactants is mR = 100.000 g. The mass of the products is mP = 99.999 g.…

Q: Hypothetical elements A2 and B2 react according to the following equation, forming the compound АВ.…

A: We will answer this question using ∆H value and calorimeter concepts.

Q: A 431.97g sample of water at -15.23 Celsius is taken to a final temperature of 10.13  Celsius. How…

A: Given, Mass of water = 431.97 g  Initial temperature = −15.23o C Final temperature  = 10.13o C…

Q: 10. A 80g sample of water starts out at 105°C. It is then cooled to-3°C. How Tuch energy was lost?

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Q: onsider a cloudless day on which the sun shines down across the United States. If 2751 kJ of energy…

A: Given: Intensity of solar energy = 2751 KJ/m2.hr. And area of US = 9158960 Km2

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: