A teaspoon of the carbohydrate sucrose (common sugar) contains 16 Calories (16 kcal). What is the mass of one teaspoon of sucrose if the average number of Calories for carbohydrates is 4.1 Calories/g? 3.90 g 0.256 g 65.6 g

Q: Perform the conversions between energy units. 6.00×102 kJ=__________ J 2585 kcal= ____________ kJ…

A: According to the unit conversion, 1 kJ is equal to 1000 J. Thus, the conversion into J is shown…

Q: What is the specific heat of an object that goes from 25.2 Celsius to 31.4 Celsius Celsius when it…

A: Given: Amount of heat absorbed = 250 cal. Initial temperature = 25.2 oC Final temperature = 31.4 oC…

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

A:

Q: A teaspoon of the carbohydrate sucrose (common sugar) contains 16 Calories (16 kcal). What is the…

A: Given: As interpreted by the question, we have been given a teaspoon of the carbohydrate sucrose…

Q: Perform the conversions between energy units. 8.70 x 10² kJ = 3255 kcal = 5.27 x 106 J = kJ kcal

A: Energy unit conversions are an essential aspect of physics and engineering, allowing us to express…

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 food contains 131kcal, 24 grams of carbohydrates. What percentage of kcals are from carbohydrates

A:

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

A:

Q: When 0.250 mol of glucose is broken down in your body, 701 kJ of energy is released. What is the…

A:

Q: The combustion of one mole of propane, C3H8, releases 531 kcal. How much heat is released by the…

A:

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: How many Joules are there in 43.3 kcal? (1 cal = 4.184 J)

A: The conversion of quantity from one unit system to another unit system is known as unit conversion.…

Q: The heat of reaction for the combustion of hexane, C6H14, is 995.0 kcal/mol. What is the heat of…

A: The heat change in a particular reaction is known as enthalpy change (∆H). The endothermic reactions…

Q: When NO(g) reacts with O₂(g) according to the following reaction, 13.93 kcal of energy are evolved…

A:

Q: The combustion of solid glucose with oxygen gas produces carbon dioxide gas and water vapor. This…

A: The balanced chemical equation for the combustion of glucose can be written as: C6H12O6(s) + 6O2(g)…

Q: Perform the conversions between energy units. 617 kJ=     2275 kcal=     7.76×10^6 J=

A: We can use the following conversion data to interconvert energy units:

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

A: Hydrocarbons are compounds made up of hydrogen and carbon atoms.  From standard sources, we get the…

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: Benzene is a chemical compound in gasoline. When gasoline burns, the benzene reacts with oxygen. 2…

A:

Q: What is the specific heat of an unknown substance if a 2.50 g sample requires 12 calories as its…

A: Firstly, we have to calculate specific heat using the formula: Q=mc ΔT Then, we will compare it with…

Q: is 2 NO2(g)   → N2O4(g) + 19 kcal a exothermic or endothermic

A: In simple words,  Endothermic reaction - when heat is absorbed , the reaction is endothermic.…

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

A:

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: rogen sulfide, H2S, is produced during decomposition of organic matter. When 0.4190 mo H2S burns to…

A: Given, Heat released = -217.0 KJ

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

A:

Q: Perform the conversions between energy units. 633 kJ = 2325 kcal %3D kJ 9.01 x 10 J = kcal

A:

Q: Alexia determined the mass of her empty Styrofoam cup calorimeter was 1.4528 g. She then added…

A: By mass conservation : Mass of water in Alexia's cup = mass of cup + water - mass of empty cup…

Q: Stainless steel accessories in cars are usually plated with chromium to give them a shiny surface…

A: Given the mass of chromium =5.00 graminitial temperature =23 °Cfinal temperature =50.8 °Camount of…

Q: Use the References to access important values if needed for this question. In the laboratory a…

A:

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: 4. a. One liquid has a temperature of 140°F and another liquid has a temperature of 60°C. Are the…

A:

Q: Use your data to calculate the number of Calories in a 3.4 g sugar cube. (Molecular mass of sugar =…

A: Given : Mass of sugar = 3.4 g Molar mass of sugar = 342.2965 g/mol ΔHcomb of sugar = 5639 KJ/mol

Q: Classify each as exothermic or endothermic AND explain why.   N2O4(g) + 19 kcal →  2 NO2(g)…

A: Exothermic process:- The process which produces energy                                     that…

Q: Alexia determined the mass of her empty Styrofoam cup calorimeter was 1.0698 g. She then added…

A: Mass of empty styrofoam cup calorimeter is 1.0698 g and combined mass of cup + water is 33.2191 g We…

Q: 139 kJ to Calories

A: Given: Energy  = 139 kJ convert into calories.

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…