How many kilojoules of heat were absorbed

Assignment Help Chemistry
Reference no: EM13322888

An ice bag containing 212g of ice at 0 °C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 32.5°C.How many kilojoules of heat were absorbed?

Reference no: EM13322888

Questions Cloud

Evaluate the degree of dissociation : This solution freezes at -0.159C calculate the degree of dissociation( the fraction of molecules dissociated) for the acid in this solution ( assume the mean ionic activity coefficient has a value of 1). c) from the dgree of dissociation determine..
Choose the strategies that seem to be complementary : Choose the strategies that seem to be complementary to one other and could be implemented simultaneously. Justify your response.
Write a class that encapsulates a deck of cards : Write a class (and a client class to test it) that encapsulates a deck of cards. A deck of cards is made up of 52 cards. You should have three instance variables.
Define how many moles are present in the tank : If 8.0 moles of the gas A is placed in a 60.0 L tank with 1.0 moles of B at 0 degrees celsius and 1 atm, they react according to the equation. 2A(g) + B(g) ---> 3C(g) + D(g) How many moles are present in the tank when the reaction is complete
How many kilojoules of heat were absorbed : An ice bag containing 212g of ice at 0 °C was used to treat sore muscles. When the bag was removed, the ice had melted and the liquid water had a temperature of 32.5°C.How many kilojoules of heat were absorbed?
Produce the result as the user instructed on the screen : Produce the result as the user instructed on the screen with appropriate messages.
An environmental science class : An ENVIRONMENTAL SCIENCE CLASS
How many mosquitos are required : The random noise level of a buzzing mosquito is 32dB and that heard in a typical classroom is 71dB. How many mosquitos are required to make a noise level equivalent to that heard ina typical classroom
Construct a dfa that recognizes languages : Construct a DFA that recognizes each of the following languages. Unless otherwise noted we are assuming that ω ∈ {0,1}*. (A drawing of a state diagram is sufficient.)

Reviews

Write a Review

Chemistry Questions & Answers

  Explain unknown radioactive substance has a half-life

An unknown radioactive substance has a half-life of 3.20 hours. If 46.0 g of the substance is currently present, what mass was present 8.00 hours ago

  Explain why do br and i interfere with the no

Why do Br And I interfere with the NO3 test? Explain fully using bromide as an example, including equations. 3. Explain why an excess of Fe2+ is necessary for the NO3 test.

  Compute the volume of o2(g) produced at standard condition

Vapor Pressure due to water at 24oC: 22.4 torr For the conditions listed above, calculate the volume of O2(g) produced at standard conditions of temperature and pressure.

  Explain lindane is a toxic insecticide that causes dizziness

Lindane is a toxic insecticide that causes dizziness and diarrhea in humans. Find the molecular formula for lindane given its percent composition:

  What is the density of li2s in grams

The crystal structure of lithium sulfide Li2S is pictured here. The edge length of the unit cell is 5.88*10^2pm. What is the density of Li2S in grams per cubic centimeter?

  Find the temperature of the water

A mixture of 2.0 mol of H2 (g) and 1.0 mol of O2(g) is placed in a sealed evacuated container made of a perfect insulating material at 25 C. The mixture is ignited with a spark and it reacts to form liquid water. Find the temperature of the water.

  How cause an increase in the equilibrium concentration of no

Which one of the following actions will cause an increase in the equilibrium concentration of NO(g) in a closed reaction chamber?

  Explain how much energy in calories would be required

If a wheelchair-marathon racer moving at 13.3 miles per hour expends energy at a rate of 635 Calories per hour, how much energy in Calories would be required to complete a marathon race (26.2 miles) at this pace

  Define a compound contains only nitrogen and hydrogen

A compound contains only nitrogen and hydrogen and is 87.4% nitrogen by mass. A gaseous sample of the compound has a density of 0.925 g/L at 690 torr and 110 C.

  Explain nitrogen dioxide gas is reversible and exothermic

The oxidation of nitrogen monoxide gas by molecular oxygen to form nitrogen dioxide gas is reversible and exothermic. Predict the effect of each of the following changes on the position of the equilibrium and a relative change in Kc.

  Explain soft drink in which the major buffer ingredients

What is the pH of a soft drink in which the major buffer ingredients are 6.5 g of NaH2PO4 and 8.5 g of Na2HPO4 per 355 mL of solution?

  How much gas will dissolve

if 0.55 g of a gas dissolves in 1.0 l of water at 20.0 kPa of pressure, how much will dissolve at 110.0 kPa of pressure?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd