On cold nights, orange grower may run irrigation water and fans to keep their oranges from freezing. Explain these practices.   2. Walking barefoot along the river on a hot summer day, it may be more comfortable to walk on the rocks rather than the dry sand. Why is the rock surface cooler?   3.Why do you feel hotter when the relative humidity is high?

Q: Why do do volatile substances,like alcohol and acetone, produce a cooling effect on a surface from…

A: In the process of evaporation, the liquid changes into the gaseous (vapor) state. The physical state…

Q: Although ethanol has a higher molar mass than water and exhibits the same IMF as water, ethanol…

A: Ethanol shows a larger drop in the temperature during evaporation than water.

Q: How can the gaseous water be converted back to a liquid on thewalls of a condenser?

A: Condensation is the process of conversion of water in its gaseous state (water vapor) into liquid…

Q: 16. Explain why CO2 and SO2 have a big difference in boiling points. Which has the higher boiling…

A: CO2 and SO2 is gas at room temperature.  Boiling point is the temperature at which liquid converts…

Q: Cite two (2) examples of a materials that shows the evidence of Intermolecular forces of attraction.…

A: Given: We have to tell the examples of materials that shows intermolecular forces of attraction.

Q: Why water expand in the form of ice?

A: As we know water is generally present in the liquid form. But it also exist in steam form at higher…

Q: Using the concepts of vapor pressure and temperature, what happens to your car tire on a very hot…

A: According to the Gay Lussac Law, at constant volume and no. of moles, the pressure of the gas is α…

Q: Explain why each of these properties is important to sustaining life. Please use your own words and…

A:

Q: Why does spilled gasoline evaporate more rapidly on a hot day than on a cold day?

A: The reason behind given fact is explained below, Liquid state: A physical state of matter where…

Q: Why does water form a concave lens in a test tube, whereas mercury forms a convex lens.

A: To find: Why does water form a concave lens in a test tube, whereas mercury forms a convex lens.

Q: In preparation for a recipe, a baker dissolves 36 g of sugar (C12H22O11, GFM = 342 g/mol) in 250 g…

A: This quetion is based on relative lowering of vapour pressure.

Q: For what types of substances is water a good solvent? For what types is it a poor solvent? Explain

A: Solute whose intermolecular attraction to solvent molecule is less than attraction of two solvent…

Q: What type of intermolecular does KCL?

A: Potassium Chloride is made up of ions. The intermolecular force present in KCl is ionic bonding.

Q: Water is a good solvent for many substances. What is the molecular basis for this property, and why…

A: The geometry of the water molecule is bent and it is highly polar in nature which results in a…

Q: What is the intermolecular force between sulfur tetrachloride and water. What about sulfur…

A: Intermolecular forces of attraction between Sulfur tetrachloride and water; Sulfur tetrachloride is…

Q: 4. Water is less dense as a solid than as a liquid. A. Why can solid ice float on liquid water? B.…

A: Answer A- When water freezes into its stable form, the molecules can form extra strong hydrogen…

Q: What happens when you heat water from 0°C to 100°C? (Section C> D)? What is this added heat being…

A: The curve is a heating curve that shows how ice is converted into steam by continuously supplying…

Q: Why oils leave a translucent spot on paper even after drying, while ethanol and water do not.…

A:

Q: Which is true? a. MgO has higher vapor pressure than CH3CH2OH at 25 degrees celsius b. HCl is more…

A: General properties of matter:

Q: Why do pressure cookers save time in the kitchen? Explain the effect of pressure on boiling point.

A:

Q: Heat is added to ice at 0 °C. Explain why the temperature of the ice does not change. What does…

A:

Q: 1.What happens to energy when ; Water vapour changes to liquid water by condensation

A: Condensation is the process of converting gas molecules to liquid form. When decrease the…

Q: Explain how the density of water varies from 0⁰C to 10⁰C and explain how this temperature density…

A: Water exhibits an abnormal property whereby it expands instead of contracting when the temperature…

Q: .Based on the boiling point and surface tension values obtained, which of the two liquids has…

A: The force of attraction through which two or more than two elements are held together in a molecule…

Q: 4. What happen to starch as you sprinkle it on top of a glass of water? 5. How will you explain this…

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: Talk about the reason for surfactants to reduce the surface tension.

A: The compounds which which lowers the interfacial tension or we can say that lowers the surface…

Q: How much heat (in kJ) is required to evaporate 2.34 mol of acetone at the boiling point?

A:

Q: 4. How much heat is needed to evaporate 2g of ethyl alcohol?

A: Given,  The mass of ethyl alcohol = 2 g.  The heat needed in the transformation is:

Q: Can carbon dioxide be liquefied at room temperature ( 20 °C )? If so, how? If not, why not?

A:

Q: How do Butane and Butanol two molecules differ in boiling point, viscosity and water solubility?…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: what the bonding pattern among the molecules of dry ice and LNG?

A: Bonding patterns are the arrangements or natural settings in state of matter. how one atom interact…

Q: 2. Water will evaporate rapidly at higher temperatures. What effect would the evaporation of water…

A: We are to discuss the effect of evaporation of water at high temperature on the temperature at which…

Q: Why can't water alone clean soiled clothes effectively? How does the detergent help in the cleaning…

A:

Q: How do cohesive force and adhesive force explain the absorption of water by tissue paper? For a…

A:

Q: 4. What effect does the evaporation of water have on the object from which it is evaporating? When…

A: Evaporation is a process in which all the liquid molecules are converted into gaseous molecules.

Q: A consequence of global warming is melting of the polar ice caps. This melting decreases deep water…

A: As global warming is the reason for the melting of the polar ice, it can decrease deep water…

Q: Consider a planet where the pressure of the atmosphere at sea level is 2500 mmHg. Does water behave…

A:

Q: The heat of fusion for naphthalene is 0.148 kJ/g. Calculate the heat energy in joules required to…

A: Given: Heat of fusion for naphthalene = 0.148 KJ/g Mass of naphthalene = 43.25 g

Q: Diethyl ether (molar mass 74.12 g/mol) boils at 34.6 °C and water (molar mass 18.02 g/mol) boils at…

A: a. At 25 degree Celsius, diethyl ether has higher vapour pressure than water.

Q: if we keep wet clothes in a plastic bag, they do not dry, while when we put them on the wire, the…

A: When wet clothes dry, the water from the clothes gets evaporated and the water vapour formed from it…

Q: As water cools, instead of moving closer together, the molecules hold each other at arm's length…

A: Since ice has less density than liquid water.

Q: Why does an aqueous solution of ethanol (CH₃CH₂OH)have a lower surface tension than water?

A: Surface tension is the energy required to increase the area of the surface of the liquid by…

Q: - How much heat does your body lose when 2.8 g of sweat evaporates from your skin at 25 °C? (Assume…

A: This involves phase transitions. Sweat is transitioning from a liquid to a gaseous state.Separating…

Q: hich of these properties of water is responsible for capillary action in plants? a. High thermal…

A: Answer - The correct option is (c) Surface tension Capillary action occurs when the adhesion to the…

Q: boil

A: