Using the equation

2H2+O2-->2H2O

If 19 g of oxygen reacts completely, how many grams of hydrogen must react with it?

Question options:

4.8

3.6

1.2

2.4

What are chemical leaving agents? How do they work?

What is the charge of a cation? a positive charge no charge a negative charge The charge depends on the size of the nucleus.

What is an orbital shell

Which Step In the nitrogen cycle is accelerated at the beginning of the eutrophication process A) Denitrification B) Nitrogen Fixation C) Producer uptake of nitrogen D) Consumer Decomposition

What is the chemical property of soda ash

Most mutagens have what kind of an effect on an organism?

According to the hess's law, the enthalpy of solution is: δhsoln = δhsolute + δhsolvent + δhmix. considering dissolving a small drop of nonpolar pentane oil in water which term (s) in the equation will experience the largest enthalpy change.

Solve for x: ln x = 0.863. Report your answer to 3 significant figures.

What water activities might be easier to do in Lake Assal's salty water? What activities could be more difficult?

The suffix "-megaly in the term gastromegaly means: