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 the costs incurred to generate revenues. In other words, a firm records an expense when it disburses cash or promises to disburse cash for an asset or service used to generate income. A manufacturer would record an expense when it pays its employees for producing its products. Expenses accounts are equity accounts with a debit balance. Expense accounts are considered contra equity accounts because their balance decreases the overall equity balance. In other words, debiting an expense account increases the balance instead of decreasing it like most other equity accounts. Expenses are subtracted from revenues to calculate overall equity in the expanded accounting equation and calculate net income on the income statement.