What happens to the system when the temperature is decreased?

Q: What is the change in entropy for the system (positive, negative, or zero)? Concentrated bleach is…

A: Entropy is a measure of degree of disorderness of the system. It increases with an increase in…

Q: 29. What happens when gasoline is burned in an automobile engine? A. potential energy is transformed…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: How do we define a system? What is the difference between a system and its surroundings?

A: Given question is : Define system = ?  And What is the difference between a system and its…

Q: A solid being heated stays at a constant temperatureuntil it is completely melted. What happens to…

A: During melting of solid, heat energy is converted into latent heat required only and temperature of…

Q: 2) Find the molality of NaCl in solution e Equation editor here to show all your work! You can copy…

A: 2. Given that, The mass of the empty 100 mL beaker = 47.231 g. The mass of the beaker + distilled…

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

A: The reaction is unimolecular.  Therefore,

Q: a. K2Cr207 / Aq. H2SO4 /heat b. HNO3 / H2SO4 c. Br2 / FeBr3 d. NaOH, then H2O2 e. Sn / HCI f. NANO2…

A: In electrophilic aromatic substitution reaction, methyl group acts as ortho para directing group due…

Q: If two substances have the same mass, it requires more heat to heat a substance that has a higher ,…

A: Answer :- c) specific heat  If two substances have the same mass, it requires more heat to heat a…

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: 1. Which of the following accurately describes the conditions of a closed system? a. Both energy and…

A: A system is a part of the universe which is under our study. It should have a boundary.

Q: What would be the final temperature if 55.0g of H2O at 30 degrees Celsius is added to 45.0g of H2O…

A:

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: 03 Multiple Choice Which of the following is a quantitative measure of disorder?

A: The entropy  is a measure of the amount of energy which is unavailable to do work. It also suggests…

Q: When water vapor molecules contact a cold glass surface and liquid water is formed, the energy of…

A: Given statement is :  When water vapor molecules contact a cold glass surface and liquid water is…

Q: Imagine a system composed of two different types of molecules, one relatively light and one…

A: Kinetic energy is defined as the energy possessed by an object due to its motion.  It is expressed…

Q: convert 123 J to calories 515 cal 34.2 cal 443 cal 29.4 cal

A: Given  123 J

Q: Define The specific heat of a substance changes with temperature.

A: The specific heat capacity is the amount of energy required to raise the temperature of one gram of…

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

A:

Q: states of matter in order of decreasing entropy.

A:

Q: A sample of aluminum metal absorbs 9.86 J of heat, and the temperature of the sample increases from…

A:

Q: how many calories are required to raise the temperature of 255g of water from 42c to 75c?

A:

Q: The pressure of a gas is measured as 60. torr. Represent this pressure in atmospheres

A: We have to convert 60 torr pressure to pressure in atm  Given 1 atm = 760 torr)

Q: How much would the temperature (in K) of 770 g of ethanol increase if 24.5 kJ of heat were added?

A: The first step in solving this problem is to identify the relevant formula. The formula we need is…