Which of the following units of energy is defined as the heat it takes to raise the temperature of 1 gram of water by 1° C? A) kilojoule B) joule C) watt D) kilocalorie E) calorie

Q: The specific heat of an unknown metal is calculated to be 3.74 J/g °C. What is the mass of the…

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Q: What is the final temperature of a 56 g sample of water if the initial temperature was 4.0°C and it…

A: Given: Mass, m = 56 g Heat, q = 3046 J Specific heat of water, c = 4.184 Initial temperature, Ti =…

Q: The specific heat of lead is 0.129 J/g C°. How many joules of heat are required to raise the…

A: Specific heat capacity of lead: 0.129J/g°CTinitial = 22°CTfinal = 37°Cmass of lead = 380g

Q: A 1533 kg car is traveling down the road at 99.0 km/h. While traveling at this rate of speed, what…

A: Here we use the formula of kinetic energy K.E = 1/2 m* V^2 Where m = mass of car = 1533 kg V =…

Q: A sample of iron absorbs 77.8 J of heat, upon which the temperature of the sample increases from…

A: Formula, Q = MSΔT

Q: Which of the following statements accurately describes an observation that would be made during the…

A: In Endothermic process , heat is required to carry out the process. Thus temperature decreases In…

Q: Heat Evolved (J) 50 45 40 35 30 20 15 10 S Relationship Between Amount of Reactant and Energy ° 10…

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Q: Determine the kinetic energy of a baseball thrown at 100.0 mph. The mass of a baseball is 144.3 g.

A: Given data, Mass of the baseball = 144.3 g  Velocity of the baseball = 100.0 mph Since , 1mph =…

Q: NaOH, H₂O, heat Na Ⓒ 0: Ⓒ Na HO OH

A: Sodium hydroxide (NaOH) can act as a nucleophile in certain chemical reactions. In its ionic form,…

Q: How much heat in joules is needed to raise the temperature of 1.0 L of water from 0 Celsius to 100…

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Q: A home swimming pool contains 165 m3 of water. At the beginning of the swimming season, the water…

A: The amount of heat required is determined by using formula q= m c delta T

Q: When 514 J of heat is added to a sample of liquid water, the temperature rises from 27.8°C to…

A: Specific heat capacity is the amount of heat needed to raise the temperature(usually 1°C) of given…

Q: If .98 grams of of peanuts are burned in a calorimeter causing the temperature of 150 grams of water…

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Q: What is the specific heat of 20.0 g piece of an unknown substance that changes from 25°C to 75°C…

A: Heat required to raise the temperature of the substance through 1°C is known as specific heat of the…

Q: If 2500kj of heat are added to 50.0g of water at 25.00 C what would be the final temperature of the…

A: The amount of heat absorbed or released in a chemical reaction is ; q=mc∆Tm=mass of…

Q: A 15.6 g of gold is heated, then placed in a calorimeter. Temperature increases from 30.5°C TO 54.7…

A: Given,Mass of gold heated = 15.6 gInitial temperature of gold = 30.5 °CFinal temperature of gold =…

Q: How much heat is required to raise the temperature of 7.35 g of water from 21.0 to 98.0 °C (Assume…

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Q: What is the specific heat of an unknown substance if a 2.50 g sample requires 12 calories as its…

A: Firstly, we have to calculate specific heat using the formula: Q=mc ΔT Then, we will compare it with…

Q: The specific heat of zinc is 0.096 cal/g℃. Determine the energy required to raise the temperature of…

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Q: Temperature change of A = i x (temperature change of B)

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Q: the temperature of a silver coin decreases by 353°c as it releases 5,550 joules of heat. what is the…

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Q: Stainless steel accessories in cars are usually plated with chromium to give them a shiny surface…

A: Given the mass of chromium =5.00 graminitial temperature =23 °Cfinal temperature =50.8 °Camount of…

Q: A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C,…

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Q: Antoine Lavoisier found that mass was conserved in chemical reactions when he saw that

A: Otpion C is correct.

Q: How many joules are required to heat 250 grams of liquid water from 0 to 100 C

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Q: A sample of aluminum absorbs 50.1 J of heat, upon which the temperature of the sample increases from…

A: Heat absorbed = 50.1 J  Initial temperature  = 20.0 °C  Final temperature  = 35.5 °C  Specific heat…

Q: heat change of the reaction Al2Cl6(s) + 6 Na(s) ⎯→ 2Al(s) + 6 NaCl(s) is –256.2 kcal.  The heat of…

A: Given, □Hrxn = -256.2 kcal □Hf(NaCl) = -98.3 kcal □Hf(Al) = Hf(Na) = 0 kcal ( in standard state…

Q: Assuming that heat was transferred from the aluminum to the water and the calorimeter, determine the…

A: According the law of conservation of heat, the heat released by the Aluminum equals to the heat…

Q: OMe 1. NaOMe, MeOH 2. id H 3. H3O*, heat

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Q: A piece of metal with a mass of 97.6 grams was heated in a steam jacket to 94°C and the plunged into…

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