Select the correct answer. which law represents a balanced chemical equation? a. avogadro’s hypothesis b. ideal gas law c. law of conservation of mass d. newton’s first law of motion e. newton’s second law of motion

Answer;

C. law of conservation of mass

Explanation;

The law of conservation of mass, which is one of the basic laws of chemical combination. This law states that during a chemical reaction, the total mass of the products remains equal to the total mass of the reactants.

Balanced chemical equations must obey the Law of Conservation of Mass that states that matter cannot be created or destroyed, it is conserved. Atoms are never lost or gained in chemical reactions, they are rearranged. The mass of the reactants must equal the mass of the products.

c. law of conservation of mass

Explanation: PLATO USERS

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explanation:

weight of the box is given as

here this is placed on the inclined of angle 42 degree

now this weight will have two components one is along the incline other is perpendicular to it

so here we need to apply a force parallel to incline opposite to its component of weight

so here the component of weight is given as

here we have

so it requires 75 n force to move it upwards