What does matter mean?

In the following reaction, when a surplus of hydrazine (N2H4) reacts with 20 liters of hydrogen peroxide (H2O2), how many liters of nitrogen gas will be released, given that both gases are at STP? N2H4 + 2H2O2 →N2 + 4H2O 10 liters 0.

Why is math life because I love my fav subject

Hawaii is located at a relatively low latitude. prevailing winds blow moist air off the ocean onto its shores. because of these factors, much of hawaii's vegetation is made up of? A.) cactus and yucca B.) lichens C.) rain forests D.

In a candy factory, the nutty chocolate bars contain 22.0% by mass pecans. If 4.0 kg of pecans were used for candy last Tuesday, how many pounds of nutty chocolate bars were made?

Which is a determine factor for the direction a motor spins in an electric motor.

1.87e3 m + 24 m + 5.43e-1 km + 1.561e2 km = km

Which 2 continents have the most obvious fit of the coastlines. subject science

A substance with a ph of 6 is called

56 Explain, in terms of atomic structure, why the elements in Group 2 have similar chemical properties. 131

What must molecules do to react? a. Molecules must heat up b. Molecules must collide c. Molecules must expand to fill their container d. Molecules must interact with a catalyst