A sample of ice at -25⁰C is placed into 75 g of water initally at 85⁰C. If the final temperature of the mixture is 15⁰C, what was the mass of the ice?

Q: The melting point of chloroethane, CH3CH2Cl, is -136°C and its boiling point is 12°C. Is…

A: At STP the temperature is 0°C

Q: The boiling point of ammonia, NH3, is - 33.4°C and that of sulfur dioxide, SO2, is - l0.0°C. Which…

A: Given: The boiling point of NH3 =  - 33.4 °C. The boiling point of SO2 = - l0.0 °C.

Q: How many calories are released when 58.4 g of steam at 144°C is cooled to -37.6°C?

A: Given: Mass of steam = 58.4 g Initial temperature = 144oC Final temperature = -37.6oC Specific heat…

Q: Calculate the amount of energy that is lost when 175 grams of water vapor cools from 120oC to 101oC.

A: Given: Mass of water, m =175 g The specific heat capacity of water = 4.184 J/goC The change in…

Q: If 12.0 g of water is converted to steam in a 4.18 L pressure cooker held at a temperature of 112…

A:

Q: Determine the amount of heat released when 497 g of Pb are cooled from 37.2 °C  to 22.5 °C   and the…

A: The given data contains, mass = 497 g. Initial temperature = 37.2°C Final temperature = 22.5°C…

Q: ow do you account for the fact that solids and liquids generally expand when heated?

A: In general, the thermal treatment of solids and liquids results in the expansion of state.

Q: What volume of H2 gas forms at 1.0 atm and 25 degrees Celsius when 55.0mL of 5.0M H2SO4reacts with…

A: The reaction taking place will be  Al (s) + H2SO4 (aq) -------> Al2(SO4)3 (aq) + H2 (g) Balancing…

Q: Which is denser at the same temperature and pressure, dry air or air saturated with water vapor?…

A:

Q: 1. How much energy (in kJ) is needed to convert 23.0 grams of ice at-10.0°C to water at 90°C?

A: Let's first divide the entire process into small steps. As per the Hess's law of constant heat…

Q: Vhat is the final temperature, how much water is there, and how much ice is there if 824g of ce at…

A:

Q: What is the total number of kiloJoules required to boil 100. grams of water at 100ºC and 1…

A: Heat of vaporization = required heat to vaporize 1g of substance is called heat of vaporization.…

Q: If you wanted to raise the temperature of 5.00g ice at -9.56ﾟC up 105.0ﾟC how much energy would it…

A: The question is based on the concept of chemical thermodynamics. we have an ice sample. we have to…

Q: A 38 g sample of ice at -5⁰C is placed into 250 g of water at 65⁰C. Find the final temperature of…

A: Step : 1           Find the final temperature of the mixture

Q: Calculate the final temperature of a mixture of 140.0  g of ice initially at -25.00 °C and 299.0  g…

A: Heat lost by water = Heat gained by ice  Specific heat capacity of water = 4.18 J/goC Specific heat…

Q: 50g of ice at -50.0C is heated to 80C, how much energy (in kJ) is required?

A: The temperature at which solid start melting is called melting point and reverse of this process is…

Q: give belo Tollowing the heat capacity of the solid in Diagram and the heat capacity of the liquid in…

A:

Q: How much energy is needed to vaporize 75.0 g of diethyl ether (C,H O) at its boiling point (34.6…

A: Given Mass of diethyl ether = 75g ΔHvap = 26.5 kJ/mol

Q: What are the two aspects of the molecular- level environments in solid, liquid and gaseous matter?

A: Matter exist in three physical states and they are solid, liquid and gases.  These three physical…

Q: What caused the vapor of the volatile liquid to stop from coming out of the bulb/e-flask? O there is…

A: Given: The vapor of the volatile liquid is stopped coming out of the bulb/e-flask.

Q: How much energy is required to change 2 kg of water from ice at -10 °C to steam at 250 °C?

A: Entire process involved five stages. The energy required for each stage is to be calculated. Mass of…

Q: 47.9-mL sample of gas in a cylinder is warmed from 27 ∘C to 86 ∘C. What is its volume at the final…

A: According to Charles's law, at constant pressure for an ideal gas, volume is proportional to…

Q: The melting point of chloroethane, CH3CH2Cl, is -136°C and its boiling point is 12°C. Is…

A: STP stands for standard temperature and pressure. at STP temperature will be 0°C and pressure will…

Q: How much heat is needed to melt 10.0 grams of ice at -10°C until it is water at 10°C?

A: Given, mass of ice = 10.0 g Initial temperature (Ti) = -10°C Final temperature (Tf) = 10°C Amount of…

Q: A 950mL of ethyl alcohol poured into a 1000mL Pyrex container at -20°C (ethyl alcohol is still…

A: Since, the temperature is increased and the constant pressure is maintained, we can use the Charles…

Q: Calculate the final temperature of a mixture of 130.0  g of ice initially at -15.50 °C and 337.0  g…

A: The heat gained by the ice to its melting point is calculated as: Here, C = Specific heat Capacity…

Q: At its critical point, ammonia has a density of 0.235 g cm-3 .You have a special thick-walled glass…

A: The critical point is a point on the thermodynamic curve. At the critical point due to gradual…

Q: pia ai, a lnquid can be present at combinations of temperature and pressure corresponding to points…

A:

Q: How many grams of ice are needed to decrease the temperature of 50.0 mL of water by 5.0 degrees…

A: The solution is given below -

Q: Calculate the final temperature of a mixture of 180.0 g of ice initially at -13.00 °C and 355.0 g of…

A:

Q: If 11.0 g of water is converted to steam in a 3.03 L pressure cooker held at a temperature of 119…

A: Given : Mass of water converted to steam = 11.0 g Volume of cooker i.e vessel = 3.03 L And…

Q: 5. If we heat 500 g of ice at -50.0°C to vapor at 100°C, how much energy in kl will it take?…

A:

Q: How much energy (in kJ) is needed to convert 23.0 grams of ice at -10.0°C to water at 90°C?

A: In the heating process, the following steps will take place. 1) Heating of ice from -10.0 °C to its…

Q: A 27.1 g sample of solid CO2 (dry ice) is added to a container at a temperature of 100 K with a…

A: When the temperature is increased from 100K to 298K, CO2 will be in the gaseous phase but mass, and…

Q: What phase of carbon dioxide exists at -120° and 10 atm? At 80° and 100 atm?

A: at -120° and 10 atm CO2 has solid phase .

Q: Ep Ep Ep Ep Which of the following graphs best represents the change in average potential energy…

A: When molecules moves away from each other its potential energy increases

Q: Which state(s) of matter are compressible? Which state(s) of matter are not compressible? Explain.

A: There are three states of matter 1. Solid State 2. Liquid State 3. Gaseous State

Q: How to calculate the boiling point of methylene chloride at 670mm Hg? (need some hint)

A: Given:Pressure = 670mm HgStandard boiling point of Methylene chloride (is being considered from…

Q: As a metal such as lead melts, what happens to (a) theaverage kinetic energy of the atoms and (b)…

A: a) As a metal such as lead melts, the average kinetic energy of the atoms increases. As the…

Q: 2. Calculate the amount of heat required to increase the temperature of 375 g of ice at -12°C to…

A: The given data contains, mass = 375 g. Initial temperature = -120C. Final temperature = 280C.

Q: A 4.25 g sample of the refrigerant Freon -12 is vaporized and found to occupy  a volume of 1.36 L at…

A: For Freon -12 : Mass (m) = 4.25 g Volume (V) = 1.36 L Temperature (T) = 50℃ = (50 + 273.15) K…

Q: Substance X is known to exist at 1atm in the solid, liquid, or vapor phase, depending on the…

A: Enthalpy is the amount of energy released or gained per mol during the course of the reaction.…

Q: O Temperature 273 K and 760 mm Hg O Temperature 13.3 psi and 1 Torr O Temperature 273 K and 1 atm…

A: STP means standard temperature and pressure

Q: gas is piaced in a balllon with a Volume Of 8.00L. The volume of he ballons turns into 12.04 when…

A:

Q: Please answer all parts.

A: The phase diagram can be represented as follows:

Q: a) melting of ice at 25° C and 1 atm b) evaporation of water at 200° C and1 atm c) condensation of…

A: Answer - The correct option is - ( c)   Solution - According to the question - Given - A reversible…

Q: what mass of ice at 0 Celcius is needed to cool 150 g of water at 25 C to 0 C?

A:

Q: ) What mass of Al(BrO.), is required to produce 44.76 liters of O,which is collected over water at…

A: Stoichiometry compares reactant-products' moles consuming as well as forming during reaction. If…