hich of these properties of water is responsible for capillary action in plants? a. High thermal conductivity b. High specific heat capacity c. Surface tension d. Highest density is at 4 °C

Q: Just enough ice at 0°C was added to 47.5 g of water at 28°C to cool the water to 0°C. About how much…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Surfactant decreases which property of water?

A: The surface tension of water depending on cohesive forces between the water molecules.  Higher the…

Q: The figure below is a plot of vapor pressure versus temperature for dichlorodifluoromethane, CCl2…

A: Answer: Calusius-Clapeyron equation will be used to solve this question which is shown below:…

Q: The surface tension of water is 72 mJ/m–2. Calculate the amount of energy required to disperse one…

A: Surface area of sphere = 4πr2 Surface volume of sphere = 4/3 πr3 Surface tension of water = 72 mJ/m2…

Q: What happens when ice is exposed in a hot environment? Or even when you just place it on a table? It…

A: The results and reason of ice is exposed in a hot environment or even when you just place it on a…

Q: (SHOW CALCULATIONS) How much energy is released when 0.750 mol of diethyl ether is cooled from…

A: Energy released can be calculated for individual steps when we go from 75.0°C to 25.0°C.

Q: b) A soft waxy solid melts over a temperature range from 120 0C to 130 0C. It doesn't dissolve in…

A: Solid is distinguished by structural rigidity and resilience to changes in shape or volume. Unlike a…

Q: Choose the compound that has the lowest surface tension. (Consider intermolecular forces)     Select…

A:

Q: The substance CS2 has a melting point of -110.8 °C and a boiling point of 46.3 °C. Its density at 20…

A: Since your question has multiple sub-parts, we will solve first three sub-part for you. If you want…

Q: Flammable liquids burn only when their vapor is mixed with air in the appropriate concentration.…

A: We have to tell which option is correct from given choices of options by telling what must to be…

Q: Identify the true statements about surface tension. Molecules along the surface of a liquid behave…

A: Surface tension: It is a force required to increase or expand the surface of a liquid.  This…

Q: What is the property of sublimate? a. dissolves easily in h20 b. lower evaporation point c.…

A: The given question is based on the physical properties of matter.

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

A:

Q: What quantity of heat (in kJ) would be required to convert 14.1 g of ice to water at 0.00°C? (∆Hfus…

A:

Q: H2O has a ΔHvap = 40.8 kJ/mol and a ΔHfus = 6.02 kJ/mol. The specific heat capacity of ice is 2.11…

A: The amount of heat absorbed to elevate the temperature of ice (Q1) at -42oC to 0oC is equal to…

Q: Explain why water alone cannot be used to remove grease from a surface

A: Water & grease can't mix with each other due to hydrophobic (water heating)properly of grease…

Q: What is the melting point of the substance modeled by this heating curve? F. 150 135 120 D 105 90 75…

A:

Q: For a given species, see the thermodynamic values below. Boiling Point: Melting Point: Heat of…

A: The quantity of heat energy absorbed or released in a chemical reaction can be calculated using the…

Q: Calculate the surface tension of ethanol at 0 and 70 °C. Let the critical temperature of ethanol be…

A: Surface tension of the concerned liquid can be calculated from Eotvos equation.

Q: 4. How much energy does it take to melt 10.0 g benzene? The heat of fusion of benzene is 2.37…

A:

Q: Choose the compound that has the lowest surface tension. (Consider intermolecular forces)     Select…

A: higher the intermolecular force of attraction higher is the surface tension.

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: 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: What is the boiling point of the substance modeled by this heating curve? F. 1501 135 120 D E 105 90…

A:

Q: 1. White phosphorus is a molecular solid made of molecules of P4. A 1.52 g sample of white…

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

Q: Select the best match for each characteristic from the given compounds. Has the lowest melting point…

A: 1- Lowest melting point for C3H6 because this compound have only weak London dispersion forces…

Q: 125.0- 100.0- °C 0.0- -25.0- 6010 J 940 J 0 7520 J 10000 AH vaporization liquid gas 20000 30000 Heat…

A:

Q: What amount of heat would be involved in condensing 17.4 g of CH₃OH? (∆Hvap = 38.0 kJ/mol)

A: Given, amount of CH3OH =17.4 gram∆Hvap= 38.0 kJ/molmolar mass of CH3OH =32.04 g/molwe are asked to…

Q: What is the melting point of the substance modeled by this heating curve? F. 150 135 120 D E 105 90…

A: Given:-

Q: Why does water have a higher heat of vaporization thandiethyl ether?

A: The quantity of energy that must be supplied to a substance to convert it from the solid to liquid…

Q: How much energy must be removed from 200 g of water beginning at 25 oC to convert it to ice cubes at…

A: Given : Mass of water = 200 g Initial temperature of water = 25 oC And final temperature of water =…

Q: Spilling room-temperature water over your skin on a hot day cools you down. Spilling…

A: Some important phenomena occurring when liquids spill into the skin Vaporization: It is the…

Q: determine the amount of energy released for 130.0  g of water to go from 89.0 °C to -12.0 °C.

A:

Q: How many moles of ethanol are required to produce 158.2 kJ of heat during evaporation? ΔHvap= 38.6…

A: Evaporation is the process by which a liquid changes from a liquid phase to a gas or vapor. For…

Q: What process is occurring betweenpoints C and D?

A: A heating curve graphically represents the phase transitions that a substance undergoes as heat is…

Q: Right now, my current answers to the spaces in the problem are as follows: 1. Only dispersion forces…

A: The forces which provide interaction including force of repulsion and attraction acting between the…

Q: On cold nights, orange grower may run irrigation water and fans to keep their oranges from freezing.…

A: 1. As we know water exist in three forms -solid, liquid and gas. Whenever there is change of phases…

Q: The heat of fusion of pure silicon is 43.4 kJ/mol. How much energy in kJ would be needed to melt a…

A: Heat of fusion : Heat needed to conversion of 1 mol of solid to liquid is called heat of fusion…

Q: The normal boiling point of water is 100°C (373 K) at 1.00 atm. Calculate the boiling point of water…

A: Given that : At pressure = 1.00 atm, the boiling point of water = 373 K We have to calculate the…

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: What polymer substances are used to join the surfaces of 2 solid materials into one solid material?

A: Polymers application:

Q: A) What mass of water is needed to saturate a volume of 50.0 L at 25C? B) If the initial mass of…

A: The ideal gas law is obeyed by the ideal gas. The equation PV=nRT is called the ideal gas equation.…

Q: Question 33 Use the phase diagram below to state what would be observed when a sample of carbon…

A: Solution of your question is given below -  Isobaric means there will be constant pressure at the…

Q: Determine the heat of dissolution, in kJ/mol, of 0.250 mol C2 having a specific heat of 0.82 J/g °C.…

A: Specific heat  = 0.82J/g °C Mass of C2  = 9g No. Of moles in 9g of C2 = 9÷24 = 0.375mol Specific…

Q: amount of heat needed to melt 120.0 g of pure ethanol.

A: Formula;            q= mC∆T.  Where q= heat , m = mass.  C = specific heat of ethanol.     ∆T=…

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

A: Mass of ice = 15.2 g = Mi = MwInitial Temperature of ice = Ti = -13.9 °CFinal Temperature of ice =…