In a chemical equation, the chemicals that react are considered In a chemical equation, the chemicals that are produced are considered
In chemical equations ooth sides of the equation must be v; if they are not, coefficients must be used

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.

Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th