What does the forward arrow in a chemical equation mean? (1 point)
O The reaction is reversible.
O The reaction proceeds slowly.
O The reaction proceeds quickly.
O The reaction yields something.
O The reaction yields something.
Which kind of reaction is photosynthesis? (1 point)
O light-independent
O endothermic
O exothermic
O temperature-independent
O endothermic
Photosynthesis requires which kind of energy? (1 point)
O light energy
O mechanical energy
O thermal energy
O heat energy
O light energy
The forward arrow in a chemical equation indicates that the reaction is proceeding in the forward direction, from the reactants to the products. It does not necessarily indicate the speed or reversibility of the reaction. However, it does imply that the reaction is yielding products. Therefore, the correct answer is: The reaction yields something.
The forward arrow in a chemical equation indicates the direction in which the reaction proceeds. It does not provide information about the speed or yield of the reaction.
To understand the meaning of the forward arrow in a chemical equation, you can follow these steps:
1. Identify the reactants and products: In a chemical equation, the substances undergoing a chemical change are called reactants, while the resulting substances are called products. The forward arrow separates the reactants on the left side from the products on the right side.
2. Determine the direction of the reaction: The forward arrow indicates the direction of the reaction, which means the reactants are being transformed into products. The reaction proceeds from left to right along the arrow.
It is important to note that the forward arrow does not imply anything about the reversibility, speed, or yield of the reaction. To obtain further information about these aspects, additional symbols or annotations may be used in the chemical equation.