2. In an exothermic reaction
heat flows into the system heat flows into the surrounding heat flows into both the surrounding and system no heat is involved none of the above
3. The pathway is independent of:
work change in energy heat volume none of the above
4. 300. J of energy was released by solution A in a calorimeter. If the mass of solution A was 50.g and the T was 30.°C, what is its specific heat capacity.
.20 J/°C*g 20 J/°C*g 1.2 J/°C*g .7 J/°C*g none of the above
5. Which of the following is NOT a conventional definition of standard states?
the standard state of a gaseous substance is a pressure of 1 atm for a substance in a solution, the standard state is a concentration of 1 M for a pure substance in a condensed state, the standard state is the pure liquid or solid for a liquid, the standard state is STP for an element, the standard state is the form in which the element exists under 1atm and 25°C
| about us | contact us
tutorials index | organic
chemistry | practice tests | online
quizzes | reference tools
site copyright (c) 2002 to neopages.com