How many calories of heat (energy) would it take to heat 13.0 g of water from 35.0 °C to 55.0 °C? q = cal How many kilocalories of heat (energy) would it take to heat 103.0 g of water from 15.0 °C to 89.0 °C? kcal q =

Q: A sample of water is cooled from 45 degrees Celsius to 25 degrees Celsius by the removal of 20…

A: Since the heat involved in the process of cooling or heating is given by Q = mCΔT where Q = heat…

Q: Q5. Calculate the amount of heat (kcal) released when 50.0 g of water at 100°C hits the skin and…

A: The temperature of water during phase change remains same this is one point to keep in mind while…

Q: 4.187 J/oC∙g is incorrectly inputted as 4.184 J/g deg C

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Q: 3. What is the heat change when 55.0 g of water cools from 60.0 degrees Celsius to 25.5 degrees…

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Q: Fill in blanks with appropriate words: Blank 1- a system becomes no change, warmer or cooler? Blank…

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Q: gold Aluminum Silver 10.0 g 10.0 g 10.0 g mass

A: heat is the form of energy , it can be transferred from one system to another at different…

Q: On a 16.5 ounce bag of potato chips, the manufacturer states that the single serving is one ounce,…

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Q: A runner burns 2.56 x10^3 kJ during a five mile run how many nutritional calories did the runner…

A: Given : energy burned in KJ = 2.56 X 103 KJ

Q: When 1.0 g of gasoline burns, it releases 11 kcal of heat. The density of gasoline is 0.74 g/mL. a.…

A: It is given that:Mass of gasoline = 1.0 gAmount of heat released = 11 kcalDensity of gasoline = 0.74…

Q: 1) Na 1, Acetone 2) Na* Ng, THF 0 °C 85% H3PO4. OH H20, heat

A: i)  Nucleophilic substitution biomolecular reaction (SN2):The bimolecular nucleophilic substitution…

Q: a person practicing yoga for one hour burns 285 kilocalories (kcal), how many joules (J) of energy…

A: 1kcal=4184joule 285kcal= 285×4184= 1192440joule

Q: In the illustration, N is color-coded as blue and O is color-coded as red. ⠀- What kind of change is…

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Q: The specific heat of Uranium is 0.12 Joules / Uranium x Celcius. Convert the specific heat of…

A: Given :  Specific heat of  uranium = 0.12 Joules / gram x Celsius

Q: Assuming the density of the wine to be 1.0 g/mL, what is the caloric content due to the alcohol…

A: Given: The heat of combustion of ethanol=-1367 kJ/mol The wine contains, by mass 12.1% ethanol The…

Q: 1. How many calories of heat (energy) would it take to heat 21.0 g of water from 31.0 °C to 57.0 °C?…

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

Q: is the ∆ T for 40.0 grams of

A: Q and ∆T relation is  Q = m S ∆T  Where  Q = amount of heat absorbed = 1400 cal  m = mass of water…

Q: A compound has a mass of 45.632 grams was added to 500.0 ml of water with an initial temperature  of…

A: The density and specific heat capacity of water at standard conditions are 1g/mL and 1 Cal/g.0C.

Q: If calorie raises the temperature of 1ml of water by 1ºC, how many calories are needed to raise the…

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Q: Convert 3.97×1010 J to units of kcal.

A: By using relation between J and Kcal we can solve this problem. 3.97×1010J = 9.5 × 106 Kcal

Q: N2 (g) + 3 H2 (g) 2 2 NH3 (g) + 100 KJ

A: Le Chatelier principal explained the effect of concentration, temperature and pressure on…

Q: Is a burning candle an endothermic or exothermic reaction?

A: Exothermic reaction in which heat is released and endothermic reaction in which heat is gained In…

Q: How many joules are equivalent to 1.50 x 103 calories?

A: To calculate: 1.50 x 103 calories = ? Joules

Q: equivalent

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Q: In the US, nutritional energy is reported in Calories (Cal). One nutritional Calorie is equal to one…

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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: 2.96×104 J  to Cal Express the value in Calories to three significant figures.

A: We know that, 1 Cal = 4.184 J  1 J = 1/4.184 Cal

Q: When a 0.69-g sample of olive oil is burned in a calorimeter, the heat released increases the…

A: The amount of energy for a particular amount of matter present at specific temperature with specific…

Q: A car whose mass is 5.30 x 10° lb is traveling at a speed of 53 miles per hour. What is the kinetic…

A: Given that : Mass of the car = 5.30 x 103 lbs Speed of the car = 53 miles/hr

Q: How many joules are there in a 255 calorie snack ba O 1.07 x 103 O 1.07 x 106

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Q: Endothermic or Exothermic? 2 NO2(g)   → N2O4(g) + 19 kcal How do you know?

A: An exothermic reaction is defined as a reaction that releases heat and has a net negative standard…

Q: 7.62 x 10^6 J to kcal

A: We have to convert given quantity to kcal unit.

Q: if a food label identifies the total number of kilocalories in a bowl of cereal as 140 and the…

A: The total energy in a bowl of cereals = 140 kilocalories  The energy supplied by carbohydrates =…

Q: calculate the heat, in kcal, required to raise the temperature of 35.6 g of water from 10 degrees…

A: The heat capacity of water states that when the temperature of 1 g of water is raised by 1 degree…

Q: chemistry

A: Dear student I have given answer to your question in the image format.

Q: A list of the calorie content of foods indicates that an enchilada contains 230. Calories. Express…

A: A list of the calorie content of foods indicates that an enchilada contains 230. Calories. We have…

Q: A 0.82 g corn chip burns and heats 50 g of water from 22.1 degrees C to 27.8 degrees * C . If 0.23 g…

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Q: |The specific energy and density of gasoline is -47.3 MJ/kg and 716 kg/m³, respectively. What is its…

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Q: Convert 39.0 kJ to calories. Hint: Notice the little c in calories. 1 calorie = 4.184 joules 1…

A: Given that : We have to convert 39.0 kJ to calories. Also, 1 calorie = 4.184 joules 1 Calorie = 1000…

Q: How many calories are needed to heat a pot of 1,600 g of water from 25 °C to 100. °C?

A: Specific Heat capacity is the amount of heat required to raise the temperature of 1 g of substance…

Q: Assume that 1 gram of liquid water is at a temperature of 20°C. How many calories (or joules) of…

A: The amount of heat required to increase the temperature of one kilogram of a substance by one degree…

Q: How many calories of energy correspond to 28.4J ?

A: 1. In physical chemistry, for the measurement  of total energy, we have to use some important units…

Q: How many joules are in 55.2 calories? O 231 O none of the above O 13.2 O 13,200 O 55,200

A: Since,1 calory =4.184 J

Q: A 0.25g sample of a pretzel is burned. The heat it gives off is used to heat 50. g of water from 18…

A: Given information: Mass of sample = 0.25 g Mass of water = 50.0 g Initial temperature = 18°C Final…

Q: 2116.16 J of energy is equivalent to how many calories?

A: Given :- 2116.16 J of energy  To calculate :- Energy in calorie.

Q: Which of the following describes a reaction that "feels" cold? Exothermic Endothermic There isn't…

A: Given  the following discrib a reaction thats feel cold

Q: How much heat is required to raise the temperature of 44.0 g of water from -15 °C to 115 °C? heat:…

A: Given,  Initial temperature = Tinitial = -15 0C  Final temperature = Tfinal = 115 0C  Mass of water…

Q: classify each of  the following as exothermic or endothermic and give the change in heat, C3H8(g)…

A: Exothermic Reaction: Reaction in which heat is released. ΔH is negative for exothermic reactions.…

Q: heat

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Q: If the energy in a serving of food can heat up 450,000 g of water 1 degrees C how many calories are…

A: Calories served can be calculated using the following equation: Q = m.s.ΔT Where Q = energy per…

Q: A typical candy bar contains 281 food Calories, which is 281 kcal. How many kilojoules are contained…

A: Given that : Energy provided by one candy bar = 281 kcal. We have to calculate the kilojoules of…