Classify the different properties of petroleum products and explain the significance of measuring each property.

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: Convert between energy units. a. 231 cal to kJ b. 132 x 10* kJ to kcal d. 2.88 x 10* J to Cal c.…

A: Convert between energy units. (a) 231 cal to kj (b) 132 × 104 kj to kcal (c) 4.99 × 103 kj to kWh…

Q: Two units of measurement for energy are calories and joules. The measurement of 32.3 kj is the same…

A: Energy can be measured in Joules as well as in Calories and Joule is the SI unit of energy.…

Q: How many joules are there in a 255 calorie snack bar?

A: 1 cal = 4.184 J

Q: How many Kcal of heat is needed to increase the temperature of 800 grams water having   temperature…

A: We use the following formula, Q=mc∆t where m =mass of substrate                          C=specific…

Q: Which is an example of fuel that takes the shape of container and has definite volume? a. petroleum…

A: Fuels are the substances that are used with other substances, generally air or pure oxygen, in order…

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 92.9-g piece of a metal is heated to 178.0 °C, and then cooled to 29.7 °C by removing 14052.6 J of…

A: Given: Mass of metal=92.9 g Temperature change, ∆T=(29.7-178.0)°C=-148.3 °C The heat released q…

Q: How many grams of water at 100 c could be changed from liquid to gas if 4320 calories of heat were…

A: Here we have to use standard value of heat of vaporization of water. Using that value we can…

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: H2NNH2, OH CI heat AICI3, heat

A: According to the given conditions, substrate cyclohexene undergoes Friedel-Crafts type of Acylation…

Q: 1.) In the laboratory a student finds that it takes 4.75 calories to increase the temperature of…

A: 1) Given: Mass of lead = 10.4 g. Amount of heat added = 4.75 calories. The initial temperature of…

Q: How many calories are there in a 255 Calorie snack bar? 60.9 none of the above 1.07 x 103 2.55 x 105…

A: Option d is correct. 2.55 *10^5. There are 1000 calories in every Calorie.If you take 255 x 1000…

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

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

A:

Q: what is the specific heat of something that goes from 23.6 degree celcius to 33.7 degree celcius…

A: Using conservation of energy equation   Q=mC∆twhereQ=heat energy m=mass of substanceC=specific heat…

Q: The following are examples of liquid fuels EXCEPT: a. peat  b. water gas c. biodiesel d. petrol

A: Peat is not actually coal, but rather the precursor to coal. Peat is a soft organic material…

Q: 3. Specific heat is defined as the amount of energy needed to raise the temperature of 1 gram of a…

A: The definition of specific heat has to be given,

Q: Petroleum itself  as a mixture is very useful but the components extracted from it are not…

A:

Q: How much heat is required to raise the temperature of 7.35 g of water from 21.0 to 98.0 °C (Assume…

A:

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: If 756 cal of heat were added to 64.8 Al at 32.5 Celsius what is the temperature of the aluminum

A: Specific heat capacity of a substance is defined as the amount of heat required to raise the…

Q: Classification of ethanol according to the type of matter

A: Matter is defined as anything that occupies space and has mass. Matter is classified into…

Q: 2. As energy is added to a substance, the temperature remains constant. How may the substance be…

A: When the energy is added to the substance, the kinetic energy of the molecules in creases and they…

Q: How much heat is required to raise the temperature of 6.21g sample of iron from 25.0 Celsius to 79.8…

A: Temperature change (ΔT) taking place in 6.21g of iron is given.

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: Energy sources that are replenished and therefore sustainable are called as O Conventional energgy…

A: The question is based on the concept of environmental Chemistry. There are several sources of energy…

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

A:

Q: Classify property as physical or chemical. the boiling point of ethyl alcohol

A: Ethyl alcohol has molecular formula CH3CH2OH. Its physical appearance is liquid state. It has highly…

Q: heat, upon which the temperature of the sample increases from 21.5 °

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

Q: Of the following, a) melting Ob) sublimation c) boiling is an exothermic process. d) None of these…

A: Answer: Mentioned all the processes are physical processes. Physical processes can be divided into…

Q: If 1369 J of heat are released when 156 g of silicon cools from 37.5 oC to 2.50 oC, what is the…

A: Amount of heat released = 1369 J Amount of heat released (∆H) -1369 J Negative sign indicates heat…

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

A: Given:  Specific heat of iron = 0.450 J/g K Specific heat of water = 4.184 J/g K Specific heat is…

Q: In the laboratory a student finds that it takes 48.7 calories to increase the temperature of 11.6…

A: Using formula of specific heat capacity and by putting values given we have solved this problem.

Q: U specific heat of water O final temperature of metal final temperature of water initial temperature…

A:

Q: An economy car uses 1.00gal of gas to go 31miles. What its fuel rating 3 ln km/L?

A:

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: In the laboratory a student finds that it takes 19.2 Joules to increase the temperature of 12.1…

A: Mass of liquid Mercury = 12.1 gram Initial temperature = 23.7°C Final temperature  = 36.1°C Heat…

Q: Transpiration is the change of water from its gaseous form (water vapor) into liquid water.

A: This statement is wrong as transpiration is the process in which the water is removed from the…

Q: unit for specific energy?

A:

Q: A sample of aluminum absorbs 136 J of energy and the temperature increases from 24.11 °C to 30.41…

A: Heat capacity is the amount of heat required to raise the temperature by one degree Celsius.…

Q: The amount of heat energy needed to raise the temperature of a substance is called its A) specific…

A: The amount of heat energy needed to raise the temperature of a substance is called

Q: When we see that 10 gummy bears are 80 Calories meaning that each bear is 8 Calories, this really…

A: 10 gummy bears = 80 calories.  1 gummy bear = 8 calories. 1 calorie = 4.184 J 1 kJ = 1000 J.

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Consider the given conversion is as follows; 0.060 Jmol .        =  ? kJmol We know that, 1 J =…