250 grams of water, initially -15 C, is added to coke (240 grams) at 35 C, if all the ice melts, what is the final temperature of the coke?

Q: What is the unit of energy now used in the metric system? Give both name and symbol.

A: Unit of energy in metric system is to be accomplished.

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

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Q: ange alcohol burning- Chemical Change alcohol boiling– Onsical change 2. In boiling water, the…

A: In  boiling  water,  the bubbles  contain-a  a  mix  of  hydrogen  gas  and  oxygen gas  in  a 2:1…

Q: How many milliliters of water at 23 °C witha density of 1.00 g/mL must be mixed with 180 mL of…

A: Given information, Initial temperature of the water = 23oC Final temperature of the water = 45oC…

Q: Equal masses of the 3 substances were left to sit in the sun at the same time and for the same…

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Q: 521 mL of oxygen gas at a temperature of 105 degrees Celsius contracts to 476 mL upon cooling. What…

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Q: A 3.00 kg sample of water is heated from 14 degrees celsius to 53 degrees celsius. How much energy…

A: Given,Mass of water = 3kgInitial temperature = 14 degrees CelsiusFinal temperature= 53 degrees…

Q: Find the unkwon metal if 43.9 g of that metal is heated to 97.9°C and then transfered into a…

A: Given: Mass of the metal= 43.9 g Mass of the water= 120.0 g Specific heat capacity of water= 4.18…

Q: The temperature of the water boils at 100 degrees Celsius and while cooling, the temperature of the…

A: Given : time required for 10 oC drop in temperature = 20 mins Boiling point of water = 100 oC To…

Q: The specific heat capacity of liquid mercury is 0.14 J/g-k. How many joules of heat are needed to…

A: Given: The specific heat of Hg = 0.14 J/g-K or J/g-0C The initial temperature, (T1) =22.1 0C. The…

Q: An 85.0 g piece of copper is heated to 98.7 degrees C.The copper is then quickly put in to water…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: 200 Heating steam 150 Vaporizing water 100 Heating liquid water Melting ice Heating ice 25 50 75 100…

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Q: You are performing an experiment where you place 6.4673 g of Al metal at 209.82 C into a coffee cup…

A: Given, mass of Al metal =6.4673 g at 209.82 °CA coffee cup calorimeter that contains 87 g of water…

Q: You burn a 0.6 g jellybean to warm 13 g of water, which increases the temperature of the water 2 °C.…

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Q: Solid antimony has a density of 6.70 g/cm°. Liquid antimony has a density of 6.53 g/cm°. If a 1.34…

A: The density of the solid antimony is = 6.70 g/cm3 The density of the liquid antimony is = 6.52 g/cm3…

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: Imagine that your water heater has broken, but you want to take a bath. You fill your bathtub with…

A: Given :-  Mass of cold (room temperature) water = mcold water = 25 kg×1000g1Kg = 25000 g. Initial…

Q: Which of the following illustrations best represents themeasurement of the temperature of boiling…

A: Boiling point can be defined as the temperature at which the vapor pressure of liquid becomes equal…

Q: Henrietta has a sample of a pure substance in a beaker. She heats the substance to a temperature of…

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Q: Identify the following as kinetic of potential energy examples: -Hitting a cue ball in a billiards…

A: Kinetic (movement) energy is a type of energy that outcomes from an item's movement. There are…

Q: Calculate the amount of heat needed to boil 122. g of hexane (C,H4), beginning from a temperature of…

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Q: A high-pressure weather system occurs when atmospheric pressure increases above ambient air…

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Q: The scenes below illustrate two different mixtures. When mixture A at 273 K is heated to 473 K,…

A: In a physical change, the physical state of the substance (like phase, density, hardness) will…

Q: Calculate the amount of heat needed to boil 172. g of hexane (C6H₁4), beginning from a temperature…

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Q: Which of the statements below are true of the substance represented in the diagram?

A: Among solid, liquid, and gas, the arrangement of atoms are different. The particles in a solid are…

Q: Use the following table for questions 33-36. AH° (kJ/mol) -986.6 Substance Substance AH°; (kJ/mol)…

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Q: Calculate the amount of heat needed to melt 93.3 g of solid hexane (C,Hj4) and bring it to a…

A: Heat absorbed or released in a chemical reaction(Q) is related with specific heat(c) related as Q =…

Q: A sheet of gold metal that has a mass of 100.0g and has a temperature of 18.0 degrees C is placed…

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Q: Classify each of the following as a physical (P) or a chemical (C) change   Cooking an egg Boiling…

A: Before we classify the given changes as Physical Change or Chemical Change, let's understand the…

Q: 2. A 200. ml pyrex flask is filled to the brim with water with a temperature of 25 Celsius. How much…

A: Given: Initial volume of both flask and water is 200 mL. The initial temperature is 25 degree…

Q: If 132 g of ice at 0.0°C is added to 1.64 L of water at 98°C, what is the final temperature of the…

A: a) Given: Mass of ice = 132 g. Initial temperature of ice = 0.0 oC Volume of water = 1.64 L = 1640…

Q: Suppose that 142 mL of water changes in temperature from 55.39°C to 58.68°C. What is qrxn in (Assume…

A: qrxn = -(4.812 kJ/ degree Celsius) (1.85 degree Celsius) = - 8.90 KJ per. Q= transfer of energy in…

Q: If you combine 440.0 mL of water at 25.00 degrees celsius and 130.0 mL of water at 95.00 degrees…

A: Upon mixing water samples of different temperatures, the mixture obtained has a temperature…

Q: Rachel burns a 53 gram cracker under a soda can filled with 87.3 grams of water. She took the…

A: Rachel burns a 53 gram cracker under a soda can filled with 87.3 grams of water. She took the…

Q: A pot containing 384 mL of water at 18.3°C is heated on a stove until its temperature is 69.9°C.…

A: as we know that the density of water is 1g/ml so d= m/v  m= d* v       = 1*384 g       = 384 g

Q: When 2.00 kg of water vapor cools to a temperature of 373 K, the value of q = -930 kJ. If the…

A: For this question Heat (q) = m*s*dT...............(1) where, q = -930kJ = -930000 J m = mass = 2.00…

Q: What is the mass of a piece of iron that releases 396.40 joules of heat as it cools from 64.28…

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Q: Celsius to Fahrenheit is F = 9/5C + 32. Round to the nearest tenth 67 degree F is equivalent to what…

A: Here Given that, F = 95C + 32 Then,F- 32 = 95CC = 59F-32

Q: When a cold drink is taken from a refrigerator, its temperature is 4 degrees Celsius. After 20…

A: Given, Initial temperature of cold drink  = 4°C

Q: An adult eats food whose nutritional energy totals approximately 2200 Cal per day. The adult burns…

A: The excess nutritional energy consumed per day is determined as follows,

Q: Which of the following vocabulary words defines the energy due to motion?  A.Heat B.Potential…

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Q: When a 43.0 g piece of aluminum was placed in 250. g water at 20.4 degrees C, the temperature raised…

A: Given data: Mass of the aluminium, M = 43.0 g Specific heat of the steel, Caluminum = 0.900 J/g/oC…

Q: Two 35.0 cm metal rods, one made of copper and one made of aluminum, are placed end to end, touching…

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Q: During the summer after your first year at Carnegie Mellon, you are lucky enough to get a job making…

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Q: 2. Two students are setting up a demonstration to show different ways that heat can be transferred…

A: The next steps will be    step‐4:  place each beaker on a separate hot plate and…

Q: The energy transformation in the picture below shows a change from A. chemical to thermal and light…

A: The energy transformation taking place is given as,

Q: A block of aluminum is heated with 600J of energy. Its temperature increases from 10 degrees Celcius…

A: Given , Heat energy given , Q = 600 J initial temperature, Ti= 10°C final temperature, Tf= 47°C

Q: How many joules of heat are required to change 563 grams of solid ice with a temperature of 260…

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Q: How many kilocalories are lost when 580g of water cools from 67 degrees celsius to 22 degrees…

A: Given : Mass of water = 580 g Initial temperature of water = 67 oC And final temperature of water =…

Q: If you combine 360.0 mL  of water at25.00⁢ ∘C and 100.0 mL of water at 95.00 ∘C, what is the final…

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