Democritus who lived in greece during the fourth century

b. c suggested that matter is made up of tiny particles that cannot be divided. what did he called them

All reversible reactions will reach chemical equilibrium

Which of the following is the correct chemical formula for Na and S? Na2S NaS2 NaS

In a coffee-cup calorimeter, 50.0ml of 0.100M AgNO3 and50.0ml of 0.100M HCl are mixed to yield the following reaction: Ag + (aq) + Cl - (ag) >AgCl (s) The two solutions were initially at 22.60oC, and the final temperature is 23.40oC.

Name the 5 most important elements in living organisms.

What process converts organic matter into carbon dioxide gas?

At 25 ∘c, kp = 25 for the reaction h2 (g) + i2 (g) ⇌2hi (g). at equilibrium, the partial pressure of both h2 and i2 is 0.296 atm. what is the partial pressure of hi at equilibrium?

A pool is being drained at a rate of 120 gallons per minute. what is the rate in liters per hour?

True or false: Chemical reactions can be detected by the formation of a gas.

List some common liquids that you think are acidic or basic. For example, do you think orange juice is acid or base? Why do you think each liquid is an acid or base?

Given the equation 4Al + 3O2 - -> 2Al2O3 if 325 grams of Al2O3 are to be formed, determine the mass of aluminum that must be reacted with excess oxygen. Question 4 options: 101.77g Al 26.9g Al 171.80g Al 6.38g Al