Calculate the amount of heat needed

Q: Describe how you would calculate the amount of heat absorbed orreleased by a substance when its…

A: The amount of heat is given by "q". If the heat is absorbed, the value of q will be observed…

Q: Defi ne specifi c heat and use specifi c heat to determine the amount of heat gained or lost by a…

A: Assuming water having mass 200 g with initial temperature 0 and final temperature 100 ∘C. Specific…

Q: Using the model below answer the question. Explain: How can products and reactants have different…

A: Endothermic reactions : These are the reactions in which the energy of the final product is more…

Q: What heat transfer happens when you burn your hand by touching a fire ?

A: Heat :-  It is a form of energy that transfer  from one body to another due difference in…

Q: How much heat is evolved

A: Since you have posted multiple questions, we are entitled to answer the first only. Please repost…

Q: Heat is not the same as temperature, yet they are related. Explain how they differ from each other.

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Q: In an exothermic reaction, chemical energy is converted to

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Q: 21. Which of the following reactions releases most energy to the surroundings? *

A: l

Q: Fifty grams of ethyl alcohol is heated from 250°c to 900°c. how much heat was absorbed in the…

A: Mass of ethyl alcohol = 50 grams. Initial temperature = 250 °C  Final temperature = 900 °C  Heat…

Q: How heat related to change of temperature

A: Heat is a form of energy that moves from hot body to cold body.

Q: How many joules are required to heat 150 grams of liquid water from 0° to 100° C?

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: What is the heat of reaction and what is the difference between an endothermic and an exothermic…

A: The energy released or absorbed during a  chemical reaction is termed as the heat of reaction or…

Q: H,O*, heat

A: The given molecule is named as heptane-2,6-dione, and is reacting with H+ in the presence of heat…

Q: heat is typically measured in .c .f .joules .grams

A: The form of energy which is transferred between the systemns having different temperatures is known…

Q: How much heat is released whne 233 grams of water at room temperature (25 degrees C) is frozen into…

A: Specific heat capacity of water (c) = 4.184 J/g°C Initial temperature (T1) = 25°C  Final temperature…

Q: = the specific heat capacity of a certain unknown liquid. You

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Q: Can you conclude that heat is always noticeably released in a chemical reaction?

A: Can you conclude that heat is always noticeably released in a chemical reaction?  answer of the…

Q: How can chemical potential energy be related to the heat lost or gained in chemical reactions?

A: Exothermic reactions are those in which heat is released and endothermic reaction are those in which…

Q: Calculate the total amount of heat energy needed (in Joules) to accomplish this.

A: The total heat energy required is the sum of heat energy required to heat the -15 degree ice to 0…

Q: How much heat (in kilocalories) is released from the combustion of 5.00 g of ethanol?

A: The mass of ethanol given = 5.00 g The standard specific heat of combustion of ethanol is Hc = 7.1…

Q: 1. For substances that will be in thermal contact, how would we know which will absorb energy…

A: #1: When two substances are in thermal contact with each other, heat is transferred in the form of…

Q: What would happen to an objects potential energy as it begins moving?

A: Ans -potential energy would disappear  reason; potential energy  of an object  is being transferred…

Q: 24. In the specific heat equation, what unit must temperature be? Fahrenheit Kelvin Joules Celsius

A: We know , Specific heat equation is ; q = m × C × ∆T  q = heat Absorbed or released m = mass of…

Q: Find the amount of heat energy needed to raise the temperature

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Q: Describe how you could determine the specific heat of a sample of a solid substance

A: Specific heat calculated experimentally  by bomb calorimeter.

Q: Define the heat capacity of liquid ?

A: Physical properties, such as heat capacity, state of matter, color, conductivity, melting point,…

Q: Calculate the amount of heat required t

A: Q= mc∆T  Q= heat required  c is specific heat  ∆T = change in temperature

Q: Calculate the amount of heat released from combustion of 1 g of wood

A: Please find your solution below : Note : This question requires the values of heat capacity and…

Q: 137 kJ to Calories.

A: Given  Energy =137 KJ

Q: What is the specific heat of silver? Express your answer with the appropriate units.

A: The specific heat is the amount of heat per unit mass required to raise the temperature by one…

Q: Describe the process of quantifying heat and temperature?

A: Heat and temperature are two different but closely related concepts. More kinetic energy generates…

Q: Energy being absorbed in a substance that causes it to get cooler is known as what type of reaction?…

A: Solution All chemical processes area unit in the midst of energy changes. once a reaction takings,…

Q: the amount of heat released (in kJ)

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Q: The temperature of 100 mL of water changed from 10 degrees C to 15 degrees C during the phase of…

A: we can relate the heat change of a system to the product of the mass of the system, the specific…

Q: What does the Law of Conservation of Energy state?

A: According to this law "energy cannot be created nor destroyed only changed in form" .

Q: How heat was measured traditionally ?

A: Heat is always defined as the measure of transferred energy. In the exothermic process, heat is…

Q: U specific heat of water O final temperature of metal final temperature of water initial temperature…

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Q: The specific heat of iron is 0.449 J/ g oC. A sample of iron absorbs 175 J of energy when the…

A: The heat required to raise the temperature of a substance by 1oC is known as specific heat. The…

Q: Define specific heat.

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

Q: In the specific heat equation, what unit must temperature be?

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

Q: How much thermal energy is re

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Q: Suppose object A has quadruple the specific heat and double the mass of object B. If the same amount…

A: Using Q = m.c.∆T for B  Q = m.c.∆T  Now use it for A  Q = 2m.4c.∆T' Now, divide both  1 = ∆T / 8∆T'…

Q: What is specific heat of liquid water?

A: Specific heat: The amount of heat energy required to raise 1 g of substance by one degree Celsius.

Q: Calculate the total amount of heat associated with changes in physical states of a substance.

A: The conversion of ordered state to less ordered state is the change in phase of the system. This…

Q: 139 kJ to Calories

A: Given: Energy  = 139 kJ convert into calories.

Q: True or false, a chemical reaction that liberates heat energy is said to be exothermic.

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Q: energy, in J, is

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Q: What does the law of conservation of energy state?

A: Anything which has mass and consumes space in surrounding is known as matter. Matter can be present…