Why is a dentist chair is used on a pneumatics system and not a hydraulic system? Explain?

How did mendeleyev improve newlands method

Giving two reasons, classify air as a mixture or compound.

Before you add salt to water, what temperature is closest to the one you have to reduce water to in order for ice crystals to form?

Which particle has the least mass? (1) alpha particle (3) neutron (2) beta partic1e (4) proton

What is the relationship between a mole and Avogadro's number? O Amole is the mass of Avogadro's number of particles of a substance. O A mole is the amount of a compound that has Avogadro's number of carbon-12 atoms in it.

Explain why there is a difference in climate between areas at 0º latitude and areas at 45º latitude.

1/12 The two worlds of the chemist are the and a world. world. Submit Answer I don't know this

How many valence electrons does zinc oxide have?

11 Which compound has the greatest percent composition by mass of sulfur? (1) BaS (3) MgS (2) CaS (4) SrS

What is The definition of an organ