A teaspoon of the carbohydrate sucrose (common sugar) contains 15.6 Calories. What is the mass of one teaspoon of sucrose if the average number of Calories for carbohydrates is 4.01 Calories/g?

Q: The following thermochemical equation is for the reaction of N₂ (g) with H₂ (g) to form NH3(g).…

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Q: A 1261.8kg car is traveling down the road at 81.81 km/h. While traveling at this rate of speed, what…

A: The kinetic energy of the vehicle in kilojoules is = 325.8 kJ

Q: Mass of can (g) Mass of can and water (g) Initial mass of food sample (g) Final mass c food sample…

A: We can use the given data and required conversion factors for calculations.

Q: Suppose you burn a 2.3 g sample of potato chips. You use the heat given off from that process to…

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Q: Joules (J) are a measure of energy.  Chemists often measure energy in calories (cal).  If 1 cal =…

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Q: A calorimeter is charged with 57.9 mL of water at 25.0 °C. After a reaction takes place in the…

A: Given, Volume of water = 57.9 mL Density of water = 1.00 g/mL Initial temperature (Ti) = 25°C Final…

Q: What is the difference between an exothermic and an endothermic reaction?

A: An exothermic reaction is a chemical reaction  in which energy is released during the reaction.…

Q: A 2.9-gg sample of rice is placed in a calorimeter. When the sample is burned, 26kJ is given off.…

A: From data mass of sample, m = 2.9 g  heat released, Q = 26kJ  Formula used Energy value = Qm

Q: When NH3(g) reacts with N20(g) according to the following reaction, 107.3 kcal of energy are evolved…

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Q: cal energy content when eaten 5 1.15 X 10 0 0 kcal 1 85.0 0 kJ 0 188.

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Q: he combustion of butane produces heat according to the equation 2C4H10(g) + 13O2(g) → 8CO2(g) +…

A: give  for 8 mole of CO2 produced to release 5314 kJ/mol of heat  then you have to determine the…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: The question is based on the concept of unit conversions. We need to convert the given quantity into…

Q: Expressing amounts of energy in different energy units is necessary to solve many chemistry…

A: Given , 1 cal = 4.184 J 1kcal = 1000 cal

Q: During photosynthesis, plants use energy from sunlight to form glucose and oxygen from carbon…

A: 1- In this question, we want to calculate the mass of CO2 in grams unit.  You can see whole…

Q: A student places a block of hot metal into a coffee cup calorimeter containing 162.2 g of water. The…

A: 162.2 g of water.T1 = 21.3 oCT2 = 37.6 oC

Q: a 0.2500g sample of a pretzel is burned . The heat it gives off is used to heat 50.00g of water from…

A: Amount of heat liberated: It is calculated as,

Q: When NH4Cl(aq) reacts to form NH3(g) and HCl(aq), 21.07 kcal of energy are absorbed for each mole of…

A: We have to determine the value of ∆H for the given reaction

Q: a 176 g china serving bowl is warmed 58.3°C when it absorbs 2.0 kcal of heat from a serving of hot…

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Q: 9.69 x 10^6 J = ? Kcal

A: Given :-  energy = 9.69 x 106 J  To convert :-  The above energy in Kcal

Q: A pint of premium ice cream can contain 1100 Calories. What mass of fat, in grams and pounds, must…

A: Given the average number of calories produced by combustion of 1 gram of fat is 9.1 calorie But also…

Q: lacmillan Learning Carbohydrates serve as a vital source of chemical energy to the human body.…

A: 1 KJ = 0.239 Kcal  So  119 KJ = 119 X 0.239 Kcal             =  28.44 Kcal

Q: Ammonia (NH3) decomposes to hydrogen and nitrogen and 22.0 kcal/mol of energy is absorbed. 2 NH3(g)…

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Q: 1621 kg car is traveling down the road at 89.4 km/h. While traveling at this rate of speed, what is…

A: The question is based on the concept of kinetic energy. the amount of energy possessed by a molecule…

Q: When (3.4100x10^2) Joules of heat are added to a sample, the temperature increases from…

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Q: Carbohydrates serve as a vital source of chemical energy to the human body. Carbohydrates are broken…

A: We have to convert 119 KJ = ? KCal

Q: A sample of 2.10 g of coconut oil was burned in a coffee cup calorimeter filled with 500.0 g of…

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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: How many Joules are there in 54.0 kcal? (1 cal = 4.184 J)

A: One calories is equal to 4.184 joule.                1 kcal = 1000 cal.…

Q: An amount of food is burned and releases 6800.0 calories of energy. What mass of water can be heated…

A: The amount of heat transferred in a system is calculated as follows,…

Q: A certain physical process requires 36.00 kilojoules (kJ) of heat.  Convert this quantity to…

A: Given : Energy in KJ = 36.00 KJ

Q: A 135 g sample of gold originally at 40.8 °C was heated with 161 calories. The specific heat of gold…

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Q: equivalent

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Q: A single serving bag of snack chips contains 71.0 Cal. Assuming that all of the energy from eating…

A: Energy is used in every process of body but as per question all the energy is used for heartbeat…

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: The temperature of a sample of water changes from 10°C to 20°C when the water absorbs 100 calories…

A: In this question, we want to calculate the mass of the sample.  How we can calculate, I will give…

Q: It took 1295 J to raise the temperature of a sample of water from 17.3 °C to 38.7 °C. Convert 1295 J…

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Q: A piece of parmesan cheese is burned in a soda can calorimeter, and heats up 0.235 kg of water by…

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Q: Convert 15.00 kJ to calories (cal). 15.00 kJ = Convert 203 kcal to kilojoules (kJ). 203 kcal

A: Given here energy in unit of kJ and kcal and we are asked to convert themin cal and kJ the energies…

Q: A 43.97 kg cheetah is running after a gazelle at 22.49 m/s. What is the kinetic energy of this…

A: Given mass of cheetah  = 43.97 kg  velocity               = 22.49 m/sec Kinetic Energy    = ?

Q: Hydrocarbons, compounds containing only carbon and hydrogen, are important in fuels. The heat of…

A: Given  Heat of Combustion of Cyclohexane  = Kcal/mole  Balance reaction for complete combustion of…

Q: The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to…

A: The objective of this question is to find out how long it would take for an athlete to burn off 1.0…

Q: Perform the conversions between energy units. 791 kJ=                                             J…

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Q: A 1401 kg1401 kg car is traveling down the road at 85.8 km/h.85.8 km/h. While traveling at this rate…

A: The kinetic energy of the vehicle in kilojoules is  ≈ 398 kJ

Q: [References] Use the References to access important values if needed for this question. When HBr(g)…

A: We can solve this question using the stoichiometry of the reaction. As given in the question , for…

Q: chemistry

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

Q: Titanium (Ti) was heated to a temperature of 35 °C. If the initial temperature of 35.0 g of Titanium…

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