How many joules are in 3245 cal?

Q: 5. How many kilojoules are released when 8.2 g of water condenses at 100 °C and cools to 15 °C?

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: How many calories of heat energy are released when 50 grams of water is cooled from 70°C to 60°C?

A: This problem can be solved using the formula Q = mC∆T  Where, Q = heat released or absorbed by water…

Q: If 11.96 kJ of heat is given off when 41.9 g of unknown acid condenses from vapor to liquid, what is…

A: Given data : 11.96KJ  Given mass of unknown acid-41.9g Molar mass of unknown mass 49.15g/mol

Q: Water has a heat of fusion  at 80.0 cal per gram. If I have 4.14 g of ice at its melting point how…

A: Heat of fusion is 80 cal/g. We have 4.14 g of ice at 0°C. We have to calculate the heat required to…

Q: Calculate equilibrium temperature.

A:

Q: What is the state of matter if the particles are spread out and have little to no inter-molecular…

A: We know about the state of matter consist of generally solid, gas and liquid.  Among them, solid is…

Q: 5) The specific heat of water is: A. 5 Cal per g per C B. 2 Cal per g per C C. 3 Cal per g per C D.…

A: Introduction: The heat capacity of a matter is the quantity of heat required to increase the…

Q: How many calories of heat are needed to increase the temperature of 55 g of ethanol from 18 °C to 48…

A: Given,  55 g of ethanol from 18 °C to 48 °C

Q: How is stoichiometry used to calculate energy absorbed when a mass of liquid boils? A. Grams liquid…

A: Given, The stoichiometry used to calculate energy absorbed when a mass of liquid boils is :

Q: 1. What is the final temperature when the 625 g of water at 75.0°C loses 7.96 x10^4 J?

A:

Q: 1. KMnO4, OH- (warm) 2. H3O+

A: The given reaction is the oxidation of hexyne with Potassium permanganet to give pentanoic acid and…

Q: what do the melting point and freezing point of a substance in common? what is the difference…

A: Matter exists in specific state as liquid, solid or gas depending on external factors such as…

Q: Which is better for removing ice in sidewalks during winter: NaCl or CaCl2? with calculations.

A: Calcium Chloride (CaCl2) is always, definitely, best source is removing ice from sidewalks. We can…

Q: 100 g of a solution (specific heat of 0.32 J/g C) undergoes a reaction in which 74.84 J of heat is…

A: Mass of solution = 100 g Specific heat = 0.32 J/g oC Heat released = 74.84 J

Q: energy is required

A:

Q: What is the final temperature (in °C) of 850.1 g of water (specific heat = 4.184 J/g･°C) at 24.20°C…

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: the specific heat of diethyl ether is 2.33 j/g celsius if 113j of heat raises the temperature of a…

A: Specific heat of diethyl ether = 2.33J/g°C Q = amount of heat released = 113J Mass = 12.5g Tf =…

Q: Calculate the heat change in calories for freezing 45 gg of water at 0 ∘C∘C.

A: Heat change in freezing of a substance is equal and opposite of heat change in melting of the…

Q: What is the heat change when a 26.8 g sample of water [Cwater = 4.184 J/(g°C)] is cooled from 75.6°C…

A: The heat change can be calculated using the equation,

Q: 9. (3-step conversion) How many kJ in157.4 cal ?

A: We have to convert cal to KJ

Q: amount of heat required to raise 1 g of water 1°C    a. BTU b. calorie c. joule d. kJ

A: The mass of water in gram = 1 g The temperature of water  = 1oC

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C).0.128 J/(g⋅∘C). What is the final…

A: Given data:

Q: If the initial temperature of 120. g of ethanol is 20.0°C, what will be the final temperature after…

A:

Q: Convert 98.24 cal/g of ice to kj/mol

A: 1- First converted cal/g to cal/mol :  Molar mass of water( Ice ) is 18.01gmol-1  = ( 98.24 cal/g )…

Q: Calculate the heat lost by the liquid water (in kJ).

A: The equation of heat is as follows :                                       q = m × c × ∆T…

Q: AT WHAT TEMPERATURE WILL A SUCROSE BOIL IF IT CONTAINS 1.55 MOLES OF SUCROSE IN 650 OF WATER?THE KB…

A: The sudden rise in boiling point observed when one mole of solute, i.e., sucrose gets solubilized in…

Q: A 32.65-g sample of a solid is placed in a flask. Toluene, inwhich the solid is insoluble, is added…

A: We are asked to find the density of the solid: Where density = mass*volume

Q: Why is it important to study the properties of solid and liquids?

A: Let us first understand what the matter is. Every object in the universe is made of matter. Every…

Q: Is there a difference between the melting point and the freezing point of a pure substance in a…

A: Melting point is the temperature at which a solid substance gets converted into its liquid state at…

Q: Imagine a container placed in a tub of water, as depicted inthe accompanying diagram. (a) If the…

A: a) Heat generally flows from high temperature to low temperature. here temperature of the system is…

Q: What are the Property’s of water?

A:

Q: 56.3 Cal to joules.

A:

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C).0.128 J/(g⋅∘C). What is the final…

A:

Q: how many calories are required to raise the temperature of 255g of water from 42c to 75c?

A:

Q: How many grams of water can be heated from 16.0 °C to 95 °C using 125 kJ?

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: 8) The freezing point of methane is -295°F and the boiling point is -263°F. The tem re of the…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: How hot must the air in a balloon be heated if initially it has a volume of 750. L at 20 °C and the…

A: Charles law implies that when pressure and amount remain constant, the volume of a gas is directly…

Q: What is specific heat of liquid water?

A: Specific heat: The amount of heat energy required to raise 1 g of substance by one degree Celsius.

Q: The amount of heat needed to raise 50.0 grams of water from 20.0 degree Celsius to 30 degree Celsius…

A: Given : mass = 50 grams Temperature T2 = 30oC Temperature T1 = 20oC ∆T=T2-T1         = 30 - 20…

Q: Calculate the heat change in kilocalories for freezing 265 g of water at 0 ∘C.

A: Heat change in freezing of a substance is equal and opposite of heat change in melting of the…

Q: How many Joules of energy are needed to increase 250.0 g of water from 22.8C to 37.9C? a) 3780  b)…

A: Q = MS∆T  here, Q = energy needed  M = mass of water  S = specific heat  ∆T = temperature gradient

Q: Determine the amount of heat required to raise 10 grams of water 5 degree celcius ?

A: Specific heat capacity of water = 4.18 J/g oC

Q: The temperature of 328.6 mL of Ne is changed from 274.49°C to 14.27K. What is the new volume of the…

A: Given,V1=328.6mL           T1=274.49°C+273.15=547.64KV2=?                         T2=14.27KWe have…

Q: enthalpy

A:

Q: What does it mean when a liquid is flammable?

A: Matter is the substance that occupy space and have mass. States of matter:- Solid Liquid  Gas…