Calculate the pressure when the can is heated
An aerosol can has a gas pressure of 144 kPa at 293 K. Calculate the pressure when the can is heated to 425 K.
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A gaseous reaction occurs at a constant pressure of 35.0 atm and releases 65.0 kJ of heat. Calculate the total internal energy change, Delta U, in kilojoules.
Silver nitrate and sodium phosphate are reacted in equal amounts of 200. g each. How many grams of silver phosphate are produced?
A student mixes 5.0 mL 2.00 x 10-3 M Fe(NO3)3 with 5.0 mL 2.00 x l0-3 M KSCN. She finds that in the equilibrium mixture the concentration of FeSCN2+ is 1.2 x l0-4 M. F
A gas mixture composed of helium and argon has a density of 0.605g/L at a 741mmHg and 298K. What is the composition of the mixture by volume?
A chemist dissolves 0.9 g of an unknown monoprotic (one acidic H) acid in water. She finds that 14.6 mL of 0.426 M NaOH are required to neutralize the acid.
When two atoms of 2H (deuterium) are fused to form one atom of 4He (helium), the total energy evolved is 3.83 × 10-12 joules. What is the total change in mass.
A 0.1276 g sample of an unknown monoprotic acid was dissolved in 25.0 mL of water and titrated with 0.0633 M NaOH solution. The volume of base required to bring the solution to the equivalence point was 18.4 mL. After 10.0 mL of base had been add
when silver nitrate reacts with zinc chloride, silver chloride and zinc nitrate are formed. If you react 2.22 g of silver nitrate with 4.82g of zinc chloride, which substance is the limiting reagent?
When titrating 0.15 M HCl with a calcium hydroxide solution of unknown concentration, 35 mL of acid are required to neutralize 25 mL of the base.
In Europe, gasoline efficiency is measured in km/L . If your car's gas mileage is 30.0 miles/gal, how many liters of gasoline would you need to buy to complete a 284- km trip in Europe? Use the following conversions:
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What is the total indigenous population in Latin America? How many different indigenous groups are there?
Examine risk factors for fatal domestic violence and responses to lethal domestic violence, including threat assessment and death review teams.
How have managed care practices impacted requirements for measurable outcomes? How have managed care practices limited clinical interventions?
What is the Strengths Perspective? Discuss the Ecological Perspective. Define Evidence Based Practice. What is its significance to social work practice?
Read Joshua Reeves citizen spies Ch. 3. "Neighborhood Watching: Regulating the Citizens' Patrol". Identifies and explains the authors' thesis/argument.
Why do you think our vocation, to call, from the God to choose where we work, what we do, and how we live our life is important for us and our society.
Problem: What is the definition of construct of no public transportation?