sarahcarruth77 sarahcarruth77

25-02-2019
Chemistry

contestada

In the decomposition of water. How many grams of Hydrogen will be produced by 20g of water?

Respuesta :

Аноним Аноним

25-02-2019

The equation for the reaction is is 2H2O = 2H2 + O2

Ratio of H to O in water = 2:1

Molar mass of water = 2*1.008 + 15.999 = 18.015

18.015 g gives 2*1.008 hydrogen

20 gives 2* 1.008 * 20 / 18.015

= 2.24 g hydrogen to the nearest hundredth.

Answer Link

Otras preguntas

Leroi and Sylvia both put 100$ in a saving account. Leroi decides he will put in an additional 10$ each week. Sylvia decides to put in an additional 10% of the

What is the cube root of 0.008? A) 2 B) 0.2 C) 0.02 D) 0.002

Sam painted 3 pictures.ellie painted twice as many pictures as Sam how many pictures did they paint altogether

what were the main characteristics of the renaissance?

What is a divided by a% of a?

When was the United Nations was formed? A. after World War I B. in between World War I and II C. just before the end of World War II D. after the Cold War

Most scientists and anthropologists agree that early humans first emerged in _____. A. Asia B. Africa C. Europe D. Australia

main reason of the alamo

what was the impact of morses telegraph on communication

The democracy of Greek city-states was a limited democracy since no women or slaves could vote. True False