A balanced chemical equation must have the same number of which of these on both sides of the equation?

A) atoms

B) reactants

C) molecules

D) compounds

Based on their state of matter alone, is it easier to speak of the shape of the Sun or the Moon?

Which of the following combines with harmful gases to create air pollution? fertilizers smoke particulates sewage

State a hypothesis based on the following: You will view three different environmental scenarios and using two kinds of weathering: mechanical and chemical.

Compare the likeness and differences of the following pairs base acid

A warm moist air moves into a region barometric pressure readings in the region will generally

What do nucleus act as

Change of state may occur when?

During the combustion of 2.00 g of coal, the temperature of 500 g of water inside the calorimeter increased from 25.0°c to 43.7°c. the specific heat of water is 4.18 j/g·°c. how much heat did the reaction generate?

Catalysts are substances that increase the rate of reaction but can be recovered unchanged at the end of the reaction. Catalysts can be classified as either homogeneous (same state as reactants) or heterogeneous (different state than reactants).

How many molecules are there in 79g of Fe2O3?