What happens to the system when the temperature is decreased?

Q: 16. What is the law of conservation of mass?

A: The law of conservation of mass states that :"The mass in an isolated system can neither be created…

Q: What is the kinetic energy in J and cal of a 45-g golf ball moving at 61 m/s?   168 J, 40 cal B.…

A: Given, Mass of golf ball = 45g

Q: Explain why the curve has two segments in which heat is added to the water but the temperature does…

A:

Q: Popcorn kernels pop independently (i.e. unimolecularly). For one brand at constant temperature, 13…

A: The reaction is unimolecular.  Therefore,

Q: Is freezing an exothermic process or endothermic process? Explain how you are experimentally…

A: Freezing is an exothermic process.

Q: Convert 17.3 JJ to Calories 132 kJkJ to Calories 56.2 CalCal to joules.

A: In this question, the energy values are provided and they have to be converted into mentioned units:…

Q: Identify each of the changes as either path dependent or path independent. Path dependent Path…

A: The heat and work changes are path dependent. Volume and internal energy changes are path…

Q: Will Decreasing temperature decrease rate?

A: Temperature is an important aspect to provide the thermal energy to reactants. This thermal energy…

Q: if you put some water in the skillet, the temperature increasesmore slowly. Why?

A: If you put some water in the skillet, the temperature increasesmore slowly. Why?

Q: 3. Calcium chloride is an ice-melting compound used for sidewalks and streets. Explain in scientific…

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Q: 4. How many grams of water can be heated 75.0 °c by the absorption of 4500.0 calories ? M. AT

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Q: when 20 grams of salt is dissolved in 95 grams of water the temperature of the solution decreases…

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Q: When concentrated acid is added to water the solution becomes warm. The dissolution process…

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Q: What happens when a system undergoes a series of changes or processes and then returns to the…

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Q: 22. How many calories of energy are needed to raise the temperature of 87.g of water from 0 to 212…

A: The heat required to raise the temperature of the substance is directly proportional to the…

Q: which substance has the highest specific heat?

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

Q: 3. What temperature change in degrees Celsius is produced when 800.0 calories are absorbed by 10.0…

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Q: A rigid container filled with a gas is placed in ice (ex. rigid water bottle filed with gas). The…

A: For ideal gas law, PV= nRT  Where the volume of n mols of gas at temperature T and pressure P is =V…

Q: 5. A substance is more soluble in cold water than in hot water so: a. The enthalpy of the solution…

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Q: l in the blank with the correct terms. ne freezing of a substance is an process, and it is a change…

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Q: When there is going to be a frost in Florida, farmers will spray their crops with water before the…

A: Energy is neither created nor destroyed it converted into one into another.

Q: Which change does heat energy cause? greater energy differences between molecules reduced energy…

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Q: If the dissolution of a salt in water is an endothermic reaction, how will the temperature of the…

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Q: Which of the following is true about the following system? CSNO3 (s) CSNO3 (aq) + heat > the volume…

A: The given reaction clearly indicates the reaction is exothermic that means heat is releases by the…

Q: The process of liquid water forming from water vapor is an: Endothermic process, because energy is…

A: The process of liquid water forming from water vapor is done by the process which is known as…

Q: How many calories will be needed to completely evaporate 5.0 kilograms of water that is 100 oC? 2.7…

A: The latent heat of vaporization of water is 2230 J/g or 533 calories per gram.

Q: What is the mass of a single molecule of sugar (C6H1206) in grams?

A: Given - 1 molecule of sugar C6H12O6 Avogadro's number  = 6.022 x 1023 molar mass of C6H12O6 =…

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: The amount of heat energy needed to raise the temperature of a substance is called its A) specific…

A: The amount of heat energy needed to raise the temperature of a substance is called

Q: Draw Your Solution Eto 0: OEt 1) NaOEt 2) CH₂I 3) H₂O*. heat → ?

A: This is reaction of ester in presence of sodium ethoxide as a base . In first step base abstract…

Q: Water has a high specific capacity; this means that it takes a lot of energy to change the…

A: Specific heat capacity is defined as the amount of heat required to increase the temperature of 1 g…

Q: Time (minutes) Tomperature (OC)

A: Answer