Explain to to me about lanthanum

Which is an example of a response? A. water lost from the lungs during breathing B. ivy growing around the pole of a fence C. the angle of the sun changing during the day D. outside temperature dropping at night

Explain how the processes in the water cycle work together to maintain a constant amount of water on Earth.

Explain the difference between the biotic and abiotic factors in an ecosystem

How many grams of water can be made from 10.5 grams of butane

How many formula units make up 22.6 g of magnesium chloride (mgcl2) ?

At 1.0 atm, terell heats a sample of soild caffeine at 178c the soild converts directly into gas. what is the name of this phase change?

Practice Problem #1: __TiO2 + __Cl2 + __C __TiCl4 + __CO2 + __CO How many mol chlorine will react with 4.55 mol carbon? What mass titanium (IV) oxide will react with 4.

In which chemical reaction will the heat content of the reactants be more than that of the products?

What products are formed from monochlorination of (2r) - 2-bromobutane at c1 and c4? draw the products using skeletal structures?

Which substance is a nucleic acid? amino acid fat polysaccharide RNA