thermodynamic variables for the ideal gas by writing complete sentences    (a) The heat is ___________________________ (positive, negative, zero) because (b) The temperature ___________________________ (increases, decreases, does not change) because (c) The pressure ___________________________ (increases, decreases, does not change) because (d) The volume ___________________________ (increases, decreases, does not change) because (e) The work is ___________________________ (positive, negative, zero) because

Q: How much heat do you need to increase the tempeture of 5 liters of water from 50 degrees Celcius (C)…

A: Ti = 50oCTf = 70oCc = 1 cal/goCm = 5 kg as the density of water is 1 g/L. Hence, its mass will…

Q: to answer t

A: Here, The heat lost by metal is equal to the heat gained by the water and the calorimeter.

Q: A container holds gas at a constant pressure of 8300 Pa. A machine then expands the walls of the…

A: According to the first law of thermodynamics : ∆U = q + w where ∆ u = change in internal energy…

Q: If 46.1g of copper at 11.6 degrees is place in 85.0g of water at 72.4 degrees what is the final…

A: Heat loss is given by the formula           -q = mC∆T     Or      -q = mC(Tf - Ti)  Where,  q=…

Q: A 500.0 g sample of aluminium is initially at 25.0 \deg C (298.15 K). It absorbs 32.60 kJ of heat…

A: The objective of the question is to find the final temperature of the aluminium after it has…

Q: Which of the following is a state function? O Pressure O Volume O Temperature All the above

A: State functions having property which depends on the initial and final state of the system, does not…

Q: When doing calorimetry, is it important to know the change in temperature of the solution or just…

A: The basic principle of calorimetry involves using a calorimeter to isolate the system being studied…

Q: 77. An 45.1 g sample of aluminum is placed on a 30.76 g sample of copper initially at 109.12C. If…

A: Given,mass of aluminum = 45.1 gmass of copper = 30.76 gInitial temperature of copper = 109.12…

Q: Select the true statement(s): Water has a higher specific heat capacity than lead and both start at…

A: The question is based on the concept of specific heat capacity.  it is defined as the amount of heat…

Q: Part 2: Determination of the Specific Heat Capacity of a Penny 1. Volume of water: 40.0mL 2. Initial…

A: Given : Mass of penny = 37.4 g Volume of water = 40.0 mL Initial temperature of penny = 45.6 oC…

Q: 8) While cooking a frozen pizza, an oven contains 3.0 mols of gas molecules at 480 K. What is the…

A: The question involves calculating the thermal energy of air inside an oven while cooking a frozen…

Q: Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 45…

A: Initial volume of the cylinder, Vi = 45 cm3  External pressure, Pext = 659 torr  Given the heat…

Q: Suppose that 25 g of each of the following substances is initially at 28.0 ∘C. What is the final…

A: The problem is related to specific heat. It relates to heat, mass of a substance and change in…

Q: Water is placed into an iron container along with an ice cube. They are thermally isolated. The iron…

A: Heat gets transferred from a hot body to a cold body when these are placed in contact with each…

Q: Use the information and table to answer the following question. A student is planning to determine…

A: Specific heat capacity = (Amount of heat supplied ) / (mass of object) x(increase in temperature)

Q: Pressure is applied to a container that contains real gas. The volume of the container shrinks and…

A: The internal energy does not depends on the pressure and the volume of the gas. So, the internal…

Q: You add a 150-g sample of iron that has been heated to 85.0oC is placed into an insulated container…

A:

Q: what is the heat reaction to for the decomposition of methanol to carbon monoxide and hydrogen gas?

A: The objective of this question is to determine the heat of reaction, also known as the enthalpy…

Q: The standard enthalpy of formation of an element already in its standard state is

A: The standard enthalpy of formation of an element already in its standard state is:

Q: Of these gases, which has the fastest-moving molecules (on average) at a given temperature? A) They…

A:

Q: To obtain the largest possible amourt of heat from a chemical reaction in which there is a large…

A: The situation is that in this reaction there is a large increase in the number of moles of gas and…

Q: 45.0 g of copper (Cu) at -15.4 oC absorbed 613 J of heat and the final temperature is measured at…

A:

Q: Select all the statements true to constant pressure calorimetry 1. A coffee cup calorimeter is used…

A: Constant pressure calorimeter is that which pressure remain constant. In this the state should be…

Q: None

A: To determine what is meant by the term "specific heat capacity," let's analyze each option in…

Q: Write the thermochemical equation for the following reaction that occur at constant pressure. 1.)…

A: The representation of a chemical equation along with its thermodynamic property i.e. enthalpy change…

Q: If Al and Fe have same mass and the same amount of heat is added to Al and Fe individually, which…

A:

Q: Calculate the final temperature when 82.4 g cadmium at 412 oC is placed in 185 g water at 20.9 oC

A: Using the equation,

Q: A 150-g sample of copper is heated to 500 oC. When it is plunged into 700 g of water at 20 oC it is…

A:

Q: Consider the following balanced equation:Show all work in order and us sigfig in final answer 2H2O…

A: Consider the given balanced equation as; Reaction:              2 H2O     →     2 H2     +…