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Q: A sample of of water with a mass of 15.6 g at 77.9 °C is cooled so that amount of heat released to…

A: Answer: It is a 3 step process: 1. Cooling of water up to its melting point 2. Freezing of water 3.…

Q: gas mixture with a hat capicity of 1:500J/C finul Temperciture of the gos mixture A has an abcue the…

A: The SI unit of specific heat is joule per kelvin and kilogram, J/(K kg). For example, the heat…

Q: Ametal radiator is made from 25.0 kg of iron. The specific heat of iron is 0.449 Jg °C. How much…

A: Given  mass = 25kg  c = 0.449J/gC  Temp change = 15°C to 63°C  We have to find heat

Q: Determine the heat lost by the hot water: (assume density of water = 1.00 g/ml and the specific heat…

A: We have to calculate the heat lost by hot water.

Q: 3. E ) Listen What type of system is able to exchange both energy and matter with its surroundings?…

A: An Open system is a system in which exchange of both matter and energy with the surrounding take…

Q: Heat transfer to a system and work done by a system are positive. Select one: O True OFalse

A: -->When the heat is supplied to the system and work is taken out from the system then both are…

Q: Yeong determined the AT for their 62.9874 g metal cylinder was -69.4 °C. They also determined that…

A: Given: For metal:mass, m1=62.9874gchange in temperature, ∆T1=-69.4∘C  { -ive sign means heat is lost…

Q: stion 7 of 24 <. The specific heat of a certain type of metal is 0.128 J/(g.C). What is the final…

A:

Q: How much heat energy is needed to heat 4.78 grams of water from 80.0°C to 100.0°C? Water has a…

A: Question given data m=4.78g heat capacity is 4.18J/g C difference in temperature is 200c

Q: Calculate the quantity of heat in kJ, associated with a 33.5oC decrease in temperature in: 1. A…

A: Given . Mass of aluminum ( m)   =  5.85 Kg                                          = 5.85 × 103…

Q: A 55.0kg sample of an unknown metal X requires 675kof energy to heat it from 25.0 to 118.0C. What is…

A: The mass of an unknown sample is 55.0 kg. The initial temperature is 25.0˚C. The final temperature…

Q: What is the temperature of "standard state" in thermochemical system? 0 0°C O room temperature O 25…

A: In chemistry, a material's standard state is a reference point for calculating its characteristics…

Q: How many calories are requved to heat 2000y water from 15°Cto 80°(?

A: Given: Mass of water(m)= 20.0g Specific heat capacity of water (c)= 4.18 J/g.0C To find: Heat…

Q: 77. An 45.1 g sample of aluminum is placed on a 30.76 g sample of copper initially at 109.12C. If…

A: Given,mass of aluminum = 45.1 gmass of copper = 30.76 gInitial temperature of copper = 109.12…

Q: The specific heat of water is 4.184 J gc. What is the amount of heat associated with heating 50.0 ml…

A:

Q: Help with q=mcchange in temp ?

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Is the process shown in the figureendothermic or exothermic?

A:

Q: Specific heat is defined by the amount of heat needed to raise the temperature of 1 gram of a…

A: When a substance is heated its temperature will be increased. Specific heat is a measurement of…

Q: What will be the final temperature of an iron and water mix , after a 44.1 g bar of iron initially…

A: Let the final Temperature be T  The amount of Heat gained by water is given by Q1 = m1S1(T - T1)…

Q: FOS 2. 1. Eto OEt NaOET, HOEt Br 2. 3. H₂O+, heat oEt M Gi

A: The question is based on Organic reactions mechanism. we need to explain the mechanism for the…

Q: 1. The gas pressure in an aerosol can is 1.8 atm at 25°C. What pressure would develop in the can if…

A: Gay-Lussac’s Law: According to Gay-Lussac’s law, if we increase the temperature of a definite amount…

Q: Constants I Periodic Table Part A Calculate the enthalpy change, AH, for the process in which 41.2 g…

A: In the given question we have to calculate the enthalpy, on conversion of water from liquid to…

Q: Which region of the following heating curve represents AHusion ? Heat Added O a Temperature

A: The plot of temperature versus heat is known as heating curve

Q: If titanium experiences a temperature drop from 93.1 OF to 32.3 oF and has a C 21.9 J (oC) -1, what…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: Order the substances (A, B. C, D, and E) by their specific heat capacities from highest (5) to…

A: Answer: As we know, relation between heat added and temperature increased is as shown blow:…

Q: What is the Change in temperature and the final temperature?

A: q = mc∆T  q = heat energy  m is the mass of substance  c is the specific heat of the substance  ∆T…

Q: an ¿ N=N=N. DME heat DME heat DME heat

A: Given are organic reactions. These reactions are pericyclic reactions.All are [4+2] cycloaddition…

Q: MYSTERY METAL (3) Mass o F EMPIY cup 4.0g Mass of cuptwater 64:0g Mass of waler bg 64.0g 4.0g 60g…

A: Given; Mass of water (mw) = 60 g Mass of Mystery metal (mm)= 5.4 g Temperature water before adding…

Q: Level One Examples All five Equations (Use your Chemistry Reference Sheet) Calculate using the…

A: Heat changed during the reaction is denoted with 'q'. In an Endothermic reaction, heat is absorbed.…

Q: 8) The addition of 3.31 kJ of heat to a 300. g sample of mercury at 19.0 temperature to rise to 99.0…

A:

Q: A 7.00 g sample of liquid water at 25.0 °C is heated by the addition of 147 J of energy. The final…

A: Heat absorbed by water  = mass of water × Specific heat capacity × temperature change  Temperature…

Q: How much heat is required to worm 19g of iron from 12•c to 84•c specific heat of iron is…

A: Here, we have to find the amount of heat that is required to warn 19 g of iron from 12 ∘C to 84 ∘C.…

Q: The energy absorbed by a certain system is -130 kj . If the system does 90kj of work on the…

A:

Q: C OEt Ph A 1. (Et)₂CuLi 2. H30* NaOEt EtOH heat H Ph 1. N-H [H*] 2. B 3. H30, heat E D OEt H3O*,…

A: This is based on multistep organic synthesis

Q: initially

A:

Q: It the 8pesitic heat of methanolis 8,51j/k-g how many joules are peguired t0a/se the temperature of…

A:

Q: 5. A 85.75g sample of a clear liquid is cooled from 68.3° to 32.1°C when it loses 5850 Joules of…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: products? J heat OHO

A: Hofmann product (lass substituted alkene) will formed in case of alkylammonium elimination.

Q: What is the final temperature of a piece of 0.0438 kg of aluminum after the addition of 1046 J of…

A:

Q: How much energy in calories is absorbed when 85.55 g of ethanol melt? The heat of fusion of ethanol…

A: Melting (or ) fusion is a physical process at which the phase transition of a an any substance from…

Q: calculate the heat change at 100 C for and inicate wheather heat absorbed/released calories to…

A: The heat of vaporization of water at 100oC is 2260 J/g. When water change to vapor the heat is…

Q: What volume of ethane (C2H6(g)) measured at 23.0 oC and 752 tore must be burned to heat 850 g of…

A: Given: Temperature of C2H6(g) = 23oC           Pressure of C2H6(g) = 752 torr           Mass of…

Q: 21. cal of heat is added to 14.5 g each of sodium chloride and ethanol at 13. C, what is the final…

A: Given, Heat added = 21 cal

Q: A pure sample of Substance S is put into an evacuated flask. The flask is then heated steadily and…

A: Heat capacity: It is the physical property of a substance that defines the amount of heat needed to…