2f2 Study guides, Revision notes & Summaries

When a system _____________, change of E is always negative. correct answer: Gives off heat and does work The reaction 4Al(s) + 3O2(g) --> 2Al2O3(s) Delta H = -3351 kJ is ___________, and therefore heat is ___________ by the reaction. correct answer: Exothermic, released Which of the following is a statement of Hess's law? correct answer: If a reaction is carried out in a series of steps, the H∆ for the reaction will equal the sum of the enthalpy changes for the individual steps. ...

Josephine Morrow Feedback Log %3A%2F%2F%2FDebriefingLog%2FSingle%2F29dc847e-d6d6-4ce4-8… 1/4 Date of Completion Jun 13, 2020 09:29 AM Josephine Morrow Age: 80 years Diagnosis: Venous stasis ulcer Score 0 0 0 100%          Feedback Log 0:00 You arrived at the patient's side. 0:00 You reviewed the patient information. 0:00 You reviewed the patient log. 0:00 You reviewed the diagnostics. 0:00 You reviewed the clinical observations. This study source was downloaded...

MULTIPLE CHOICE 1. Nitroglycerin decomposes violently according to the balanced chemical equation below. 2 C3H5(NO3)3( )  3 N2(g) + 1/2 O2(g) + 6 CO2(g) + 5 H2O(g) Which of the following statements concerning this reaction is/are CORRECT? 1. Two moles of nitroglycerine will produce three moles of nitrogen and five moles of water. 2. Four molecules of nitroglycerine will produced one molecule of oxygen and twelve molecules of carbon dioxide. 3. Six grams of nitroglycerine w...

Chapter 3—Chemical Equations and Reaction Stoichiometry MULTIPLE CHOICE 1. Which of the following is not a consequence of the Law of Conservation of Matter? a. It provides a basis for balancing chemical equations. b. It means that there will be no observable change in the quantity of matter during a chemical reaction. c. As a result, there will be the same number of moles on both the reactant and the product side of a balanced equation. d. It can be stated as "matter is neither creat...

Date of Completion Jun 13, 2020 09:29 AM

‘It was principally the economic recovery that strengthened apartheid in the years 1961–68. How Far do you agree?' Comprehensive essay plan for A level History 2F.2 South Africa: from apartheid state to rainbow nation

A comprehensive set of timelines covering all events needed for A level edexcel history 2F.2. Covers all four chapters, summary of key events - everything you need to memorise essentially.

How far do you agree that The impact of the Black Consciousness Movement posed the most significant threat to the National Party’s control in South Africa in the years 1968–78? Comprehensive essay plan for A level History 2F.2 South Africa: from apartheid state to rainbow nation

To what extent was the Black Consciousness Movement (BCM) significant in the opposition to Apartheid? Comprehensive essay plan for A level History 2F.2 South Africa: from apartheid state to rainbow nation

To what extent was the national party successful in establishing apartheid, 1948-55? Comprehensive essay plan for A level History 2F.2 South Africa: from apartheid state to rainbow nation