5. What mass of aluminum will experience a 15°C change in temperature after absorbing 2.8x10ʻjoules?

Q: How much heat energy is required to change the temperature of 50.0 grams of water from 23°C to 105°

A: Formula for calculating heat energy =  q =mC∆T

Q: The heat capacity of 5.00 grams of iron is 2.23 J/°C. How much heat is required to change the…

A: The amount of iron is = 5.00 g The heat capacity of 5.00 g of iron is = 2.23 J/oC The amount of heat…

Q: Calculate the number of moles of methane needed to complete the heating process.

A: Given information:Mass of ice = 10 kgInitial temperature = -20 °CFinal temperature = 70 °CCp,ice = +…

Q: Given 80.0 g of water at 22.0 °C, calculate the resultant temperature of water following the…

A: q = mc∆T  q is the amount of heat energy absorbed  m is the mass of substance  c is the specific…

Q: Silane, SiH4, burns according to the reaction, SiH4 + 2O2 → SiO2 + 2H2O, with ΔH° = –1429 kJ. How…

A: In the question, negative sign of ∆H° means energy is released during the burning of SiH4  You can…

Q: 4. A 150 g piece of iron was heated to a temperature of 47°C and then placed in contact with a 275 g…

A: This problem is based on conservation of energy. At thermal equilibrium Heat lost by iron rod will…

Q: If 40.0 kJ of energy are absorbed by 500.0 g of water at 10.0 °C, what is the final temperature of…

A: Assuming that the amount of energy absorbed will not change the phase of liquid water. Hence the…

Q: Assume the following 5 pure substances all have the same mass of 50 grams, and absorb the same…

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the…

Q: Silane, SiH4, burns according to the reaction:   SiH4(g) + 2O2(g) à SiO2(s) + 2H2O(l) ΔH ° = –1429…

A: Balanced chemical equation: SiH4(g) + 2O2(g) -------> SiO2(s) + 2H2O(l) ΔH ° = –1429 kJ This…

Q: A piece of silver with mass of 20.0 g is immersed in 25.0 g of water. This system is heated…

A: Given:Mass of silver = 20.0 gMass of water = 25.0 gThe system is heated from 24.2 to 36.8°C.Cp…

Q: A 50.0 g sample of scandium, Sc, is heated by exposure to 1.50 x 10J. The temperature of the Sc is…

A: Given: Mass of water = 50.0 g Heat energy = 1.50×10 J Change in temperature = 61.1 oC

Q: 5.1.4 The label on packaged food indicates that it contains 215 Calper serving. Convert this amount…

A: Given data: The energy of packaged food = 215 Cal. To convert: Energy from Cal to joules (J).

Q: How much energy is required to raise the temperature of 12.9 grams of solid chromium from 20.2 °C to…

A:

Q: 3. If 7,500 J of energy is added to 1.43 kg of iron (originally at 25.0°C), what temperature will it…

A:

Q: b) If that heat came from cooling a 1.361 kg lump of iron, what was the initial temperature of the…

A:

Q: 2. Suppose that 5.0 grams of water is transferred to the calorimeter on the surface of the ice and…

A: Heat Require for changing the state from ice to water and maintaining the same temperature is called…

Q: A sample of copper absorbs 12.6 kJ of heat, resulting in a temperature rise of 35.0°C, determine the…

A:

Q: Exactly 1.5 g of a fuel burns under conditions of constantpressure and then again under conditions…

A: The mass of fuel in the reaction is exactly 1.5g. The heat produced in the reaction A is -25.9 kJ.…

Q: sample of solid zinc is heated with an electrical coil. If 63.1 Joules of energy are added to a 10.1…

A: We will use formula of heat

Q: Determine the initial temperature after 1,850 J is absorbed by 0.65 kg of gold (0.128 J/g.C) to a…

A: Given,  Amount of heat absorbed = q = 1850 J  Mass of the Au = 0.65 kg  Specific heat capacity of Au…

Q: 5.137 Both glucose and fructose are simple sugars with the same molecular formula of C6H12O6.…

A: The number of moles of glucose in 2.0 g of glucose tablet is determined as follows.…

Q: How much energy is needed to change the temperature of 50.0 g of water by 20.00C?

A: Information given:  mass (m) = 50 g of water temperature =  20o C = 20 k ( for change in temperature…

Q: .It takes 1.25 kJ of energy to heat a certain sample of pure silver from 12.0°C to 15.2°C. Calculate…

A: Specific heat capacity of pure silver is 0.24 J/g°C

Q: The combustion of propane is given by the following reaction. C3H8 + 3 O2 → 3 CO2 + 4 H2O The…

A: Given, Reaction : C3H8 + 3 O2 → 3 CO2 + 4 H2O Mass of propane = 55.11 grams Molar mass = 44.11 g/mol…

Q: 13. A student takes 22 grams of an nknown metal places them into a boiling water bath. She leaves…

A: The amount of heat required to raise the temperature of the sample is given by: q = mc∆Tq is the…

Q: 2Mg(s) + O2(g) - - 2MgO(s) AH°, = -1203.4 kJ rxn How much energy is transferred when 36.4 g of…

A: Given :- 2Mg(s) + O2(g) → 2MgO(s)  ∆H°rxn = -1203.4 kJ  To calculate :- amount of energy transferred…

Q: How much heat is required to heat 1 cup (237 g) of water from 25 °C to 100 °C? (s(H₂O) = 4.184…

A:

Q: Enter your answer in the provided box. One piece of copper jewelry at 125°C has exactly twice the…

A:

Q: 0.557 grams of a particular gunpowder will propel a 40-caliber bullet with 526 ft lbs of energy when…

A: The capacity of doing the work is called energy. Kinetic energy and potential energy are two types…

Q: 4Al(s) + 3O2(g) ⟶ 2Al2O3(s)    ΔH = -3,351.4 kJ What is the heat flow when 89.23 grams of aluminum,…

A:

Q: How much energy is required to raise the temperature of 11.6 g of copper from 20°C to 1470°C?

A: The specific heat of copper = 0.386 J/g. ◦C

Q: interconversion of energy between two forms: heat alu 13. The First Law of Thermodynamics states…

A: 13.  The First Law of Thermodynamics states that energy can be created or destroyed. Answer :  The…

Q: What is the theoretical yield of ammonia (in grams) if 16.55 grams of nitrogen gas and 10.15 grams…

A:

Q: A balloon is inflated from 0.0100 L to 0.400 L against an external pressure of 10.00 atm. How much…

A: This is a case of constant pressure expansion process. It is also called isobaric process. In an…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Given that : Total mass of reactant (mr) = 100.00000 g Total mass of product (mp) = 99.99900 g

Q: A sample of solid copper is heated with an electrical coil. If 68.1 Joules of energy are added to a…

A: q= c*m*∆T q = heat added or lost c is specific heat capacity m is mass ∆T = change in temperature

Q: The combustion of hexane is given by the following reaction. 2 C6H14 + 19 O2  12 CO2 + 14 H2O The…

A: Combustion :- When a substance is burnt in excess of air or in oxygen then the process is called…

Q: How much energy is required to raise the temperature of 11.1 grams of solid gold from 24.3 °C to…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: How much energy is required to raise the temperature of 13.0 grams of solid zinc from 21.1 °C to…

A: Given :-  Mass of Zn = 13.0 g  Initial temperature = 21.1°C  Final temperature = 39.9°C  To be…

Q: 3. How much energy is required to heat a 495g copper cooking pot containing 870.0g of water from…

A: According to calorimetric principle, the heat energy required to raise the temperature of colder…

Q: 5. If you left equal masses of iron and water out in the sun on a hot day, which one would be hotter…

A: Here we are required to find the substance which will become hotter after heating for 15 min

Q: If we have a 45.0 g block of aluminum that is at 22ºC and heat it up with 1545 J of energy, what…

A: Since, specific heat of Al= 0.9 J/(g℃) so, Q = mCv∆T

Q: ou want to heat the air in your house with natural gas ( CH4 ). Assume your house has 275 m2 of…

A:

Q: 3.2 kJ of heat is added to a slug of silver weighing 38.5 grams. The heat capacity of the silver…

A:

Q: What mass of silver can be heated up 76.4 degrees C with 1552 J of energy?

A: The energy of 1kJ is equal to 1000 J. The change in temperature, 76.4oC, is equal to 76.4 K. The…

Q: The molar heat capacity of silver is 25.35 J/mol⋅∘C . How much energy would it take to raise the…

A: The molar heat capacity of silver is 25.35 J/mol⋅∘C. The amount of energy that it would take to…

Q: Suppose that the total mass of the reactants in a chemical reaction was 100.00000 g. How many…

A: Given that, the mass of the reactants is mR = 100.000 g. The mass of the products is mP = 99.999 g.…

Q: Silane (SiH4) burns according to the reaction, SiH, + 2 0, → Sio, + 2 H,0 with AH° = - 1429 kJ. How…

A: