Catalysts increase the rate of reaction. 1  Catalysts are not consumed by the reaction. 2  A small quantity of catalyst should be able to affect the rate of reaction for a large amount of reactant. 3  Catalysts do not change the equilibrium constant for the reaction.
The definition and application of 'expenses' in accounting - Foundation level. An expense in accounting is the money spent or cost incurred in an entity's efforts to. generate revenue. Expenses represent the cost of doing business where doing. business is the sum total of the activities directed towards making a profit. 'Expenses' in accounting. Background to 'expenses' in accounting.
Expenses are temporary accounts that illustrate a companyâs cost of conducting business. Expenses include items such as supplies, advertising and other costs your company must pay to generate revenue. Debit the income summary account for the total expenses for the period.