while your "sweating" your chemistry test, water vapor evaporates from your body, absorbing 135,000J of energy (assume no temperature change) What mass of water evaporates?

Q: Solid Liquid Gas If you are changing states of matter from gas --> liquid --> solid, what happens to…

A: The given problem is based on the change in enthalpy during the phase transitions.

Q: When water freezes, it .... gets colder while releasing heat. gets colder while neither releasing…

A: When the liquid water changes to solid ice then the water freezes without getting any colder. This…

Q: Tt Uonsand Suppose a boil water notice is sent out advising all residents in the area to boil their…

A: We need to boil 14L of water. 14L=14*1000ml=14000ml of water Natural gas is here methane. During…

Q: A chemical change

A: Chemical changes occurs when a substance reacts with another substance which results in the…

Q: 6. Which causes the high density of solids? a) b) c) d) The particles are more massive than those in…

A: The density of solids are high compare to liquids and gases because intermolecular force of…

Q: 3. Calculate the amount of energy absorbed when 42 g of water at 21°C heats to 94°C. Did a phase…

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Q: Question 3: Heat Capacity and Latent Heats a. Revolutionary War soldiers made their own musket balls…

A: Given :-   Mass of Lead, Pb= m = 21 g  Initial temperature of Pb = Ti = 25 °C  Final temperature of…

Q: Think about what you already know about different phases of matter. Given this figure showing the…

A: Matter exists in three states such as solid, liquid, and gas.  The conversion of one state to…

Q: How much heat is absorbed by 68 g of ice when it melts? The heat of fusion of ice is 80. cal/g and…

A: 1) Mass of Ice is (m)=68 g 2) The heat of fusion of ice is (L)=80 cal/g

Q: Below is a diagram showing a typical heating/cooling curve for water. It reveals a wealth of…

A: We would use the given heating curve to answer these questions.      Note : As you have uploaded…

Q: 1. Give two reasons why one substance might have a greater density than another substance from a…

A: 1. The size, mass, and arrangement of molecules affect the density of a substance. Consider sample A…

Q: A 15.00 g sample of a solid substance is placed in 100.0 g of water at 25°C, and all of the solid…

A:

Q: This is an experimental set-up for the purification of water experiment. State uses of each labeled…

A: We are given the complete setup of a distillation apparatus for the purification with labelling of…

Q: Given the picture below. Answer the following questions. 1. What determines the state of a material?…

A: Applying basics of matterial which take place formation of matters.

Q: Phase changes are transitions between solid, liquid, and gas phases. For example, ice melting is an…

A:

Q: the kinetic energy of particles

A: The kinetic energy of the Gas is greater than the kinetics of liquid, greater is the kinetic energy…

Q: Naphthalene, C10H8, has normal melting and boiling points of 81°C and 218°C, respectively. The…

A: Please find the attached images for answer Given :→Normal melting point of Naphthaline (C10H8) (mp)…

Q: Which state has more Kinetic energy?a) Liquid Water b) Solid water c) Water vapor

A: The kinetic energy is energy possessed by an object due to its virtue of motion.

Q: What is it called when water goes from a liquid to to a solid? From a solid to a liquid? From a…

A: To solve this problem we have to know about phase Change of water.

Q: A 788g sample of water at boiling point 100  Celsius is boiled completely. How much energy was…

A: Latent heat of vapourisation  It is defined as physical property of substance to change one mole of…

Q: Gasoline is composed of a variety of different liquid hydrocarbons, which do not separate as time…

A: Gasoline is composed of a variety of different liquid hydrocarbons. These hydrocarbon does not…

Q: Describe the two characteristics of water that cause it to evaporate more slowly than other liquids.…

A: To describe:  has two properties that makes water evaporate more slowly than other liquids.

Q: If a liquid contains 60% sugar and 40% water throughout its composition, then what is it called?…

A:

Q: If you start with a substance as a solid, what will happen to the molecules as you add thermal…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: A 598g sample of water at boiling point 100  Celsius is boiled completely. How much energy was…

A: Given: Mass of the sample = 598g=0.598Kg Boiling point=100°C We know that Heat of vaporization of…

Q: Specific heat is defined as ___ - The amount of energy needed to raise the temperature of 1 g of a…

A: The solution is as follows :

Q: f the heat of vaporization of water is 539.5 calories per gram, how many calories of heat are needed…

A: Given that,heat of vaporization of water = 539.5 cal/gmass of water that needs to be vaporized =…

Q: Why rubber,cotton, wax and wood consider deformable materials? explain EACH why

A: