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

A mineral commonly used for melting ice on slippery winter surfaces is A. feldspar. B. halite. C. hematite. D. garnet.

The study of word origins and changes in languages over time is called A. grammar. B. cognates. C. originality. D. etymology.

describe a procedure to separate a mixture of salt sand and water

In a population of seals most of the seals have similar coloring however one seal has albinism. This seal is white and is almost completely blind what is most l

do any 1 know it? please tell me you do

9 is 12% of which number?

Preventative healthcare, such as doctor visits and screenings, uses _______________ resources than healthcare responding to disease and health problems. more f

Jennifer made 5 L of punch. Her brother made another 750 mL. If they combine the two batches how many 180 mL servings would they have? Would there be leftovers?

Meteorology is BEST defined as

What is the importance of anaerobic respiration?