Can the law of conservation of mass be applied when cooking? In one to two sentences, explain why or why not.

Q: A serving size of five cookies contains 9 g of fat, 16 g of carbohydrates, and 2 g of protein. If…

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Q: Calculate how much heat 32.0 g of water absorbs when it is heated from 25.0°C to 80.0°C. Specific…

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Q: A 1.3-g sample of rice is placed in a calorimeter. When the sample is burned, 22.00 kJ is given off.…

A: Given: The Heat is given off when rice is placed in the calorimeter = 22.00 kJ The mass of the…

Q: Sodium acetate dissolves readily in water according to the following equation. NaC2H3O2 (s) →>…

A: The heat of a reaction or enthalpy of a reaction is the enthalpy change, which takes place at…

Q: To heat 100. g of solid aluminum, Al, from 25.0 oC to 150.0C requires ___ kJ of heat.The heat…

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Q: 3. Is solid → liquid → gas an endothermic or exothermic process? Describe how this energy change…

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Q: how many grams of water  would require 2.20 x 104 calories of heat to raise its temperature from…

A: Using formula for specific heat we have solved this problem.

Q: During a lab, you and your partner observe the following chemical reaction: P CuSO, + Mg ---> MgSO,…

A: The reactions which results in emission of heat is called Exothermic Reaction.  And those reactions…

Q: Calculate the amount of heat necessary to raise the temperature of 12.0 g of water from 15.4C to…

A: Heat required for raising temperature of a liquid depends on three factors namely mass of the…

Q: 3. The atmosphere currently contains 398 ppm(v) CO₂. How many kilograms of carbon is this? Note: the…

A: To calculate the amount of carbon in the atmosphere in kilograms, we need to first find the total…

Q: Write the equation for the decomposition of water into its elements. Phase symbols are optional.

A: Given : Decomposition of water into its elements. The molecular formula of water is H2O Hence the…

Q: Fill in the table below. Substance Type of Solid (molecular solid, ionic solid, metallic Type of…

A: All chemical species has a certain type depending on its bonding and forces that tends to keep them…

Q: when 20 grams of salt is dissolved in 95 grams of water the temperature of the solution decreases…

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Q: Determine the final temperature of a 32.3 mL salt solution initially at 21.05ºC when 1.93 kJ of heat…

A: Volume of solution(V) = 32.3 mL Density of solution(d) = 1.235 g/mL Mass = V × d   = 32.3 × 1.235 =…

Q: In winemaking, microorganisms break down the sugar in grapes into ethanol (grain alcohol) and carbon…

A: The molar mass of ethanol = 46 g  2 moles of ethanol , which weights 92.16 g produces 16.6 kcal  of…

Q: Magnesium will react with steam, forming magnesium hydroxide and hydrogen gas, as shown in the…

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Q: You will find the final temperature when 5.00 grams of aluminum at 425℃ is placed in 50.0 grams of…

A: We know that  From the law of heat exchange Heat lost by substance= Heat gained by another substance…

Q: For this question, you are trying to determine which beaker will have more heat absorbed and why.…

A: Answer:- This question is answered by using the simple concept of calculation of heat absorbed by…

Q: Imagine lying on a hot beach on a sunny summer day. In what different ways is heat transferred to…

A: Imagine lying on a hot beach on a sunny summer day. In what different ways is heat transferred to…

Q: Water has a higher specific heat than mercury. All of the following statements are consistent…

A: Answer: Relation between Heat exchange, mass, specific heat and temperature rise is shown below:…

Q: 2. If an object has a low specific heat, would it be more like a conductor or an insulator? Explain.

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Q: 7. Applying the principles of green chemistry requires some consideration of the way in which they…

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Q: A solution is made by mixing 260.0 mL of ethanol initially at 15.5 °C with 260.0 mL of water…

A: Given volume ethanol =260.0 mLinitial temperature of ethanol =15.5 °Cdensity of ethanol =0.789…

Q: A serving size of nine cookies contains 7 g of fat, 24 g of carbohydrates, and 9 g of protein. If…

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Q: 3) How many liters of combusted propane (C3H8; 44 g/mol) are required to heat a 100 kg steel pipe…

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Q: The specific heat of zinc is 0.096 cal/goC.  Determine the amount of heat energy required to raise…

A: Applying formula Q= mc∆t

Q: A 21 gram piece of metal at 125 oC is dropped into 87 grams of water at 17 oC. The water temperature…

A: Heat gain by water = heat lost by metal (-ve)

Q: A block of rhenium metal (specific heat =0.0329 cal/ gC) is heated to 88.2C and then dropped into…

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Q: Vanillin is a natural constituent of vanilla that is also manufactured for use in artificial vanilla…

A: Given the mass of vanillin taken for combustion = 1.013 g Since the temperature of the calorimeter…

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

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Q: You heat 2.53 grams of metallic mercury in air, which produces 2.73 grams of red-orange residue.…

A: The mass of oxygen that react with 2.53 g mercury is,