Suppose that a person eats 2387 Calories per day. Convert this amount of energy into each unit. a. J b. kJ c. kWh

Q: 4. A marble is added is added to 40.0g of water. The initial temperature of the water is 25 degrees…

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Q: In the laboratory a student finds that it takes 173 Joules to increase the temperature of 11.1 grams…

A: Given heat is 173 j

Q: Mass of iron 64.8973 g Mass of water 61.9272 g Initial temperature of iron (boiling water Tm) 98.0…

A: Used thermal equilibrium concept.

Q: How many joules are required to heat 75 grams of water from -85 ˚C to 185˚C?

A: Energy that required to heat water is calculated using the given formula,

Q: Fifty grams of ethyl alcohol is heated from 250°c to 900°c. how much heat was absorbed in the…

A: Mass of ethyl alcohol = 50 grams. Initial temperature = 250 °C  Final temperature = 900 °C  Heat…

Q: A student mixed sodium carbonate and calcium chloride in a test tube. A white solid appeared…

A: Given reactant  Sodium carbonate  Calcium chloride Product  To be determined

Q: A beaker contained 70.3 g of water at 13.51°C. A 102.77-g sample of metal at 72.84°C was placed in…

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Q: How much heat (in kJ) is needed when 133.43 g of water warms and boils from 33.45°C to 100°C?

A: The mass of the water sample is = 133.43 g The initial temperature of the water is = 33.45oC The…

Q: a. K2Cr207 / Aq. H2SO4 /heat b. HNO3 / H2SO4 c. Br2 / FeBr3 d. NaOH, then H2O2 e. Sn / HCI f. NANO2…

A: In electrophilic aromatic substitution reaction, methyl group acts as ortho para directing group due…

Q: How many joules are required to heat 150 grams of liquid water from 0° to 100° C?

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: 5. 5. If 20,000 J of energy are used to heat mercury by 4.00 °C, what is the mass of mercury? 6.…

A: Heat released or absorbed by a substance is calculated as: q = m.C.∆T where m is the mass of the…

Q: Convert 17.3 JJ to Calories 132 kJkJ to Calories 56.2 CalCal to joules.

A: In this question, the energy values are provided and they have to be converted into mentioned units:…

Q: The reaction of hydrogen and oxygen gases produces 18.0 g of water and releases 68.2 kcal of heat.…

A: Endothermic reactions can be defined as the reaction which involves the intake of heat while…

Q: A sample of iron absorbs 67.5 J of heat, upon which the temperature of the sample increases from…

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Q: In the laboratory a student finds that it takes 49.2 Joules to increase the temperature of 14.8…

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Q: heat is typically measured in .c .f .joules .grams

A: The form of energy which is transferred between the systemns having different temperatures is known…

Q: 4 PCI3(g) + 1207 kJ → P4(s) + 6 Cl2(g) A) Endothermic, heat is produced B) Endothemic, heat is…

A: Given, a chemical reaction as follows,4PCl3(g)+1207 kJ→P4(s)+6Cl2(g)we are asked to classify the…

Q: Calculate the number of joules in calories 258 calories =? JOULES 9740 J = ? CALORIES  PLEASE…

A: The energy is measured using units such as Calorie and Joules. The relation between Calorie and…

Q: How many joules are required to heat 200 grams of water from 25°C to 125°C?

A: The mass of the water sample is = 200 g The initial temperature of the water is = 25oC The final…

Q: Water heat is of 4.18j?g c° what is the quantity of energy in kJ required to increse the temperature…

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Q: What kind of kinetic energy is most often produced from chemical energy in chemical reactions?

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Q: Question 43

A: Temperature is a measure of the average kinetic energy of the particles of a substance. The higher…

Q: What is Kinetic Energy? Give an example?

A: Force is applied to accelerate an object.  Work is needed order to apply force. Energy is…

Q: According to the graph below, is this reaction exothermic or endothermic? Time O Endothermic because…

A: the given graph is,

Q: Material Specific heat (J/g°C) wool felt 1.38 cotton 1.33 раper 1.33 rubber 3.65 silicon rubber 1.46…

A: From given data  mass (m)= 99.3 gram  change in temperature (∆T)= 15.3 °F  Furthermore, specific…

Q: In the laboratory a student finds that it takes 54.9 Joules to increase the temperature of 11.0…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: What is the SI unit of energy? List some other common units of energy.

A: The capacity to do work is called energy.

Q: If the specific heat of water is ca increase the temperature of 75 g of water by 30 °C? 1gx1°C» how…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A. Specific Heat Metal Mass of metal: 58.9530 Original temperature of water: Original temperature of…

A: Q = mC ∆T ∆T = Tf -Ti Specific heat capacity of water = 4.184 J/g oC

Q: A. Specific Heat Metal Mass of metal: 58.9530 Original temperature of water: Original temperature of…

A: Temperature loss of metal = [ 100-25] =75 0C Specific heat of metal = 0.285 J/g 0C

Q: Cup + Water (g) 103.4g Cup 1.6g Water ? Initial Temp 19.8°C Final Temp 27.6°C Change in Temp For the…

A: We have given that  Cup + water = 103.4g  Cup = 1.6g  Water  = (Cup+ water) - ( Cup)              =…

Q: 4. An athlete eats food in order to get energy for their competition that day. What type of energy…

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Q: [Review Topics] [Reférences] Use the References to access important values if needed for this…

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Q: 4) Calcium chloride (CaCl2) emits heat when dissolved in water. CaCl2e) → Ca- 2+ (aq) + 2Cl (aq) ΔΗ.…

A: First of all you need to find the amount of heat required to raise the temperature of water. For…

Q: 13. A student takes 22 grams of an unknown metal places them into a boiling water bath She leaves…

A: Given data mass of metal = 22 g Initial temperature of metal = 100 oC mass of water = 90 g Initial…

Q: only water transferring energy to creating energy in increases endothermic slow down exothermic…

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Q: 31.) A small candy bar has 52.0 Calories.  If all the energy is converted to heat by how much would…

A: For any known substance whose mass/amount is 1.0 gram, the heat amount (Q) necessary for…

Q: A chemical reaction takes place to allow hand warmers to give off heat. This is an example of a(n)…

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Q: 18.7 grams of ethanol are heated from 18.2°C to 112.1°C how many joules of energy were required?

A: Given that,  Weight of ethanol m = 18.7 g Initial temperature of ethanol T1 = 18.2°C Final…

Q: Calcium carbonate breaks down into calcium oxide and carbon diox- ide when heated. The products have…

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Q: How much energy is required to heat 105.0 grams of the substance from 14.0 degrees * C to 73.0…

A: Heat energy required for the transition can be calculated using respective phase changes and…

Q: Kinetic energy is best characterized by O heat transferred from a hot object to a cool one energy…

A: Kinetic energy that is defined as the energy that is associated with particles that are not…

Q: The following picture is a representation of This process releases very large amounts of energy.…

A: Given : Large amount of energy is released. And the process is as shown below.

Q: 1. Fill in the best answer for each of the following: a) Reactions that absorb heat are called D)…

A: a) Endothermic reaction:   The chemical reaction in which the reactants absorb heat energy to form…

Q: Chemical potential energy and simply potential energy differ because its stored energy: (select all…

A: Energy is a thermodynamic quantity that indicates the capacity to do work. There are two major types…

Q: Specific heat is defined as ___ - The amount of energy needed to raise the temperature of 1 g of a…

A: The solution is as follows :

Q: When 31.2 g of aluminum is warmed from 21.5°C to 30.9°C, how many calories of heat does it require?

A: Specific heat capacity is the amount of heat in Joules is required by the substance to raise its…

Q: energy, in J, is

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Q: The specific heat of aluminum is 0.214 cal/g.°C. Determine the energy, in calories, necessary to…

A: 1.) To calculate heat, we use the formula : q = m × C × dT  Where , m = mass  C =Specific heat…