complete the table by suggesting chemical tests to differentiate the following compounds and write the positive sign and the compound that will test positive

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: If AG for a reaction is -3.8 kcal/mol, and Q is 1.3 x10°, what is the value of Keg for this reaction…

A:

Q: 2) Find the molality of NaCl in solution e Equation editor here to show all your work! You can copy…

A: 2. Given that, The mass of the empty 100 mL beaker = 47.231 g. The mass of the beaker + distilled…

Q: A calorimeter is used to measure the heat absorbed or released in a chemical .1 or physical process…

A:

Q: Ph CH3 OEt cat. HC1, H₂O, heat

A: Ester hydrolysis is a chemical reaction where an ester molecule reacts with a molecule of water to…

Q: In part 1 of this lab, you will be calculating A,H by conducting constant-pressure calorimetry…

A: Constant-pressure calorimetry is used to measure the change in enthalpy, ΔH, for a physical or…

Q: The specific heat of copper is 0.093cal/g °C, and the specific heat of silver is 0.057 cal/g °C.  If…

A: Specific heat is the amount of heat required to raise the temperature of a substance by 1°C/K.Its SI…

Q: Assuming no heat loss by the system, what will be the final temperature when 51.0 g of water at 10.0…

A: The final temperature has to be calculated. The mass of water at 10.0°C is 51.0 g. The mass of water…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: ellular respiration is a process that produces energy for the cell and is about 40% efficient. If…

A: The efficiency of the process of cellular respiration is = 40 % The total energy used in cellular…

Q: endothermic or exothermic.   a sparkler burning Group of answer choices Endothermic Exothermic

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

Q: Background info: A unit of heat energy=calorie=amount of heat that raises 1 g of liquid water by 1…

A:

Q: How many Calories are found in a frozen pizza that has 17 g of fat, 38 g of carbohydrates, and 13 g…

A:

Q: When determining the specific heat of a metal, the heat lost by the metal equals the negative of the…

A: For any substance, the heat used up in raising its temperature by 1 unit for mass of 1 g is called…

Q: A metal sample weighing 123.00 grams and at a temperature of 97.6 degrees Celsius was placed in…

A: Given,A metal sample of weight 123.00 g at a temperature of 97.6oC is placed in 40.00 g of water at…

Q: Which of the following is true about enthalpy changes when a salt dissolves in water? a) if the…

A: To solve this problem we have to know about the enthalpy change of resulting solution made by…

Q: The energy stored by a body by virtue of its position or chemical composition is termed A) kinetic…

A: Kinetic energy: The energy stored by a body by virtue of its position Potential energy: The energy…

Q: A 0.500g sample of KCI is added to 50.0g of water in a calorimeter. If the temperature decreases by…

A:

Q: A reaction known to be endothermic was performed in a beaker. Which observation would best support…

A: Given, A reaction known to be endothermic was performed in a beaker the best observation for this…

Q: Are all the arrows representing reacting with heat?

A: In this question, we have to answer what all arrows represents in the preceding question.

Q: Only give the exponent including sign for scientific notation. pH:    [H+]:    pOH: 3  [OH-]:

A:

Q: How much heat, in joules and in calories, must be removed from 2.13 mol of water to lower its…

A: Given information is as follows: The number of moles of water = 2.13 mol The initial temperature…

Q: When 435 J of heat is added to 3.4 g of olive oil at 21°C, the temperature increases to 85°C. What…

A:

Q: 1.219 Joules converted to cal

A: We know, 4.184 Joule = 1 Cal Or. 1 Joule = (1/4.184) Cal = 0.239 Cal

Q: Calculate the change in temperatue in  °C when 5.5 grams water absorbs 110 calories.  The For water…

A:

Q: Determine the heat of reaction in calories of 670 g, from the complete combustion of octane

A:

Q: What is the specific heat of 20.0 g piece of an unknown substance that changes from 25°C to 75°C…

A: Heat required to raise the temperature of the substance through 1°C is known as specific heat of the…

Q: O B) False O A) True

A: Ans: False   Explanation: No calorimeter is completely perfect perfect because it can lose heat to…

Q: Suppose you mix 100.0 g of water at 23.6 °C with 75.0 g of water at 78.5 °C. What will be the final…

A: Answer: This question is based on energy conservation where energy lost by hot water will be equal…

Q: (1 mole) HF, heat ?

A: •Given:-

Q: 4. 448 Joules of heat are required to raise the temperature of a 10 gram sample of metal from 10…

A:

Q: Please help me

A: Answer is explained below, hope you like it. Ans:- The enthalpy of dissolution of CuSO4 is -73.75…

Q: If the heat of solution for a chemical was -22,000 cal,g when 2.0 g of solid was dissolved, the…

A: Calculation  of Heat of solution.

Q: What is the AH value for an exothermic energy change? * Always negative Always positive Could be…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed…

Q: Write out the mathematical equation used for the heat of neutralization for an acid base reaction…

A:

Q: 3. The following acid and base solutions are placed in a calorimeter at constant pressure: 50.0 mL…

A: Volume of HCl = 50.0 mL = 0.050 L Molarity of HCl = 0.20 M Volume of NaOH = 50.0 mL = 0.050 L…

Q: When two solutions are combined in a test tube, they quickly react and the test tube containing the…

A: To know about the type of Chemical Reaction, know the meaning of exothermic and endothermic…