What is the boiling point in Kelvin?

Q: What is the State of Water (solid, liquid, gas) at the following temperatures?

A: Any Substance has different physical states at different temperatures. Water has different physical…

Q: ne value of AHº fo

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Q: Q2. What is the total amount of calories needed to 1) heat 200.00 gf water from 21.5 °C to its…

A: Boiling point of water is 373 k or 100 degree celcius In first part we calculate the heat needed for…

Q: Diamond is a strong and hard material that does not conduct electricity. Verify this statement.

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Q: Consider the following information.

A: To find out the Lattice energy (U) of ionic compound  there is no direct method , indirect method…

Q: 1. How much heat is needed to raise the temperature of 125.0 grams of water by 12.0 °c? C AT

A: Q = M*C*∆T  Q = heat absorbed. M = mass of the sample. 125g C = specific heat. 4.18 ∆T = change in…

Q: The specific heat of tin c

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Q: Select the one substance that has the corresponding property Choose the correct letter for each row

A: Force of attraction is the force that binds the particles together. The pressure exerted by a…

Q: C, gas Step A: How much heat energy (in kJ) must be absorbed to increase the temperature of the…

A: Solution From the heating curve, it is clear that the substance is solid at   and the melting point…

Q: 250 grams of ice, initially at -15 C, is added to coke (240

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Q: Ethanol melts at -144°C and boils at 78°C at a constant pressure of 1atm. What state of matter must…

A: The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals…

Q: The melting point is the temperature where a solid becomes liquid. The melting poi of acetone is…

A: State of matter below its melting point is solid and above its melting point is liquid.

Q: What are the components of the apparatus required for determining the boiling point of a liquid?. b)…

A: If only small amount of liquid material available for the boiling point determination, then a micro…

Q: I" * Critically discus the term " Heating"

A: A question about the term heating, which is to be accomplished.

Q: Today's high is supposed to be 277K! WOW! What is that temperature in °C & °F?

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Q: additional force is needed for the box to remain stationary

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Q: A sample of solid graphite is heated with an electrical coil. If 107 Joules of energy are added to a…

A: We have given that  Mass of graphite = 13.7g  Energy added i.e. heat = Q = 107J Initial temperature…

Q: how much heat was absorbed (in J) if a 12.6 g sample of an alloy with a specific heat of 0.477 J/g C…

A: Given, the mass of sample =12.6 gspecific heat of alloy =0.477 Jg.°Cinitial temperature =12.7…

Q: One of the following statements is incorrect:

A: "Standardization is required" when the titrant solution molarity is approximate.

Q: Calculate the amount of heat needed to boil 39.6 g of hexane (C,H4), beginning from a temperature of…

A: Given - - > m = 39.6 g T1 = 47.6 °C T2 = 68.72°C ( final temperature because the hexane has to…

Q: The normal boiling point of nitrogen is -195.75 •C. What is this temperature in Kelvin

A: Normal boiling point : The boiling point of a liquid at 1 atmospheric pressure.

Q: Match the following terms with appropriate definition

A: In order to match the options with the correct categories, we have to know the definitions and the…

Q: The following are result of physical change except. a. Hot shower water turning to steam  b. Steam…

A: Physical change are those changes in which only the state of matter changes without changing the…

Q: A AH corresponds to an, process.

A: Heat of reaction :  At particular temperature, the amount of heat released or absorbed during a…

Q: The calorie is defined as the amount of energy required to raise the temperature of of water by O 10…

A: Calorie is the unit of energy. Usually to measure the energy provided by a particular food can be…

Q: Mixture of water and CALCIUM CARBONATE is an example of Homogeneous mixture Select one: True False

A: The mixture which is uniformly in a single phase,is homogeneous mixture. For example- NaCl in water…

Q: he auerage ura capa city fa4-yer-ald is obaut 3coL. How nicnly noles uf gGs (car) do he ungs of an…

A: Solve the problem using given information and plug values in Ideal gas law.

Q: Find the boiling point of tungsten in degrees Fahrenheit. (Tungsten, also known as wolfram, has the…

A: Tungsten is a transition metal with atomic number equals to 74. The chemical symbol used to donate…

Q: What is a liquid’s heat of vaporization?

A: Introduction- Liquid state has atoms not so closely packed and it has no shape of its own. It has…

Q: A sample of gaseous oxygen is heated with an electrical coil. If 178 Joules of energy are added to a…

A: The energy released or added in a system can be calculated through this formula:…

Q: Twenty grams of water at 60 C is heated to steam (superheated steam) at 115 C.  How much energy is…

A: Heat absorbed by water to convert it from water to vapor.

Q: Hi im still confused how you get the values from the grap

A: As per the given values of K and T, lnK is computed and then a graph is plotted between lnK vs 1/T

Q: against reacion. Which of the folowing is the correct graph?

A: The question is based on the concept of chemical kinetics. we have been given a first order…

Q: What is the final temp of an insulating polymer if a 67.83 g sample with specific heat of 7.820 J/g…

A: The mass of the polymer sample is = 67.83 g The specific heat of the polymer sample is = 7.820 J/goC…

Q: How many joules of heat are lost b A 400 g of substance as it cools from 50.5 C to -10.5°C? The…

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Q: What is the final temp of an insulating polymer if a 33.44 g sample with specific heat of 6.388 J/g…

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Q: At one atmosphere pressure, mercury solidifies at -38.0 oF. Express this temperature in degrees…

A: At one atmosphere temperature, mercury solidifies at -38.0 °F. We have to convert this temperature…

Q: the following observations rosco

A: As you have mentioned that has to solve first and second, so I have solved first and second only .…

Q: 7. A movable piston contains a sample of 680 mL of neon gas with a temperature of -5C. When the…

A: 7. Given :  initial volume = 680 mL  final volume = 1.32 L  initial temperature = -5°C  To calculate…

Q: The conversion from solid to liquid is generally (endothermic, exothermic, varies) and is called .…

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Q: It has been dete of energy during

A: Given the amount of heat generated by our body during 1 hour of exercise = 5500 kJ / 1 hour The heat…

Q: Part B: Heating Curve for Water Volume of water: [O0.0 mL BI. Data table for heating curve for water…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: When lava and water are mbed, an explosion can easily occur. Of cource the lava and wacer are not…

A: Given data contains, The standard heat of reaction is 4000 J/g. The sensible heat could be…

Q: If 14.5 kJ of heat were added to 485 g of liquid water, how much would its temperature increase?…

A: Given: Specific heat of water = 4.18 J/g⋅∘C. Mass of water = 485 g. Heat energy = 14.5 KJ

Q: A sample of solid copper is heated with an electrical coil. If 69.5 Joules of energy are added to a…

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Q: Calculate the amount of heat needed to boil 23.1g of octane (C8H18), beginning from a temperature of…

A: The amount of heat required to raise the temperature is calculated using the following equation:…

Q: Give the following definitions Degree

A: Since we your questions are solving in chemistry subject part. So i will provide the chemistry…

Q: The Magnitude of the unit is the same between ----- and ----- scales, They differ in the position of…

A: There are mainly 3 types of temperature scales commonly used. These are - The Celsius scale The…

Q: The force that one object exerts on another object when they rub against each other in opposite…

A: The force that one object exerts on another object when they rub against each other in opposite…