How did the experiement with the iron filings and sulfur compare with the experiment in which copper sulfate pentahydrate was heated?

Both resulted in gas formation.

Activation energy is what kind of chemical reaction that absorbs energy

In a neutralization reaction of a strong acid and strong base, what will the end pH be?

The liquids hexane and water are placed in a test tube. The test tube is stoppered, shaken, and placed in a test tube rack.

Contrast the silica content of magma in quiet and explosive eruptions

An empty beaker weighs 39.09 g A) when completely filled with water, the breaker and its contents have a total mass of 388.15 g. what volume does the beaker hold? use d=1.00 g/mL as the density of the water.

If a bat with a mass of 5 kg and acceleration of 2 m/s2 hits a ball whose mass is 0.5 kg in the forward direction, what is the reaction force of the ball on the bat? A) 0 N, forward B) 10 N, forward C) 10 N, backward D) 0.5 N, upward

Which statement best explains why heating a liquid affects its viscosity?

Calculate the ph of a 3.78*10-3 m solution of naf, given that the ka of hf = 6.80 x 10-4 at 25°c.

Now write the electron configurations of what would be the second row of the periodic table. assume this row is the 2s and 2p blocks of elements. what is the inert gas of this row?

Methane gas is burned