How can I calculate this?

Q: Define The Nature of Energy?

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

Q: How many unpaired electrons do each of the following chemicals have? What are the total charges for…

A: The structure of benzoic acid is given as: There are no unpaired electrons in benzoic acid and the…

Q: A microwave at 600 watts heats up a cup of water of 150ml from 20 degrees Celsius to 61 degrees…

A: The density of water is 1.0 g/mL. Therefore, mass of 150 mL water is 150 g.

Q: Consider your result in the image. Although the candle burns for a longer period of time in one…

A: For burning, we need support of oxygen. Without oxygen we are unable to burn any substance. Duration…

Q: What is the heat in kJ required to raise 1,973 g water from 27°C to 79°C? The specific heat capacity…

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Q: CH3- KMnO4 HO', heat

A: The objective of the question is to find the product of the reaction in which toluene reacts with…

Q: How many times more kinetic energy does the dump truck have than the car?

A: Given: Mass of sub compact car =1.6×103 Kg Mass of dump truck =1.70×104 Kg Speed of both truck and…

Q: What are Endothermic Processes?

A: The endothermic processes has to be explained.

Q: will delta H be negative, because heat will be released.

A: Answer:  In this problem reactants will be considered as system and water surrounding it will be…

Q: 7985J of energy are applied to a 651 g sample of aluminum at 21.0 celcius. What is the final…

A: Answer: When energy is applied to a metal it gains that and its temperature rises and that…

Q: I don't understand why the second formula was multiplied by 2 and why the delta G of the 1st formula…

A: To explain why the second reaction is multiplied by 2 and the sign of delta G of the first reaction…

Q: You are performing an experiment where you place 6.4673 g of Al metal at 209.82 C into a coffee cup…

A: Given, mass of Al metal =6.4673 g at 209.82 °CA coffee cup calorimeter that contains 87 g of water…

Q: Consider these reactions, where M represents a generic metal. 2M(s) + 6HCl(aq) → 2 MCI, (aq) +…

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Q: describe THE NATURE OF ENERGY

A: Energy is the capacity to do some work. It is the ability to cause change.Energy comes in different…

Q: Calculate the energy required to heat 1.10 kg of mercury from -0.9 °C to 19.5 °C. Assume the…

A: Energy required (q) is calculated as - q = m×s×∆T Here, m = mass of the substance            s =…

Q: Calculate the amount of heat needed to boil 186. g of octane (C8H18), beginning from a temperature…

A: Answer:Since, boiling point of octane is 125.60C and melting point of octane is -570C, therefore at…

Q: Convert 3.20 x 10' in nutritional Cal to units of kJ.

A: Given that,Energy in Cal = Convert into kJ.

Q: What is the specific heat of silver?

A: Specific heat ---- The heat requires to raise the temperature of one gram of substance by one degree…

Q: A chemist prepares a solution of zinc nitrate by measuring out 78. umol of zinc nitrate into a 100.…

A: Given: The number of micromoles of zinc nitrate present = 78 μmol The volume of the solution = 100…

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: Calculate the energy required to heat 861.0 g of aluminum from-1.2 °C to 6.9 °C. Assume the specific…

A: Specific heat capacity is amount of heat required to raise the temperature of one gram of substance…

Q: 1.219 Joules converted to cal

A: We know, 4.184 Joule = 1 Cal Or. 1 Joule = (1/4.184) Cal = 0.239 Cal

Q: A student dissolves 14.2 g of ammonium chloride (NH4Cl) in 200. g of water in a well-insulated open…

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Q: ord=o- conc.NaOH (aq) heat NO₂ NO₂ -H₂O

A: A reaction mechanism is the sequence of elementary steps by which a chemical reaction occurs. A…

Q: The Law of Conservation of Energy states that: o Heat lost by one object must be Select an answer by…

A: Energy can be defined as the ability to do work.Energy can be of different types. Energy may be…