danielsfrenchfries danielsfrenchfries

04-02-2020
Chemistry

contestada

witch equations are correctly balanced.
H 2 O + 2O 2 H 2 O 2
Fe 2 O 3 + 3H 2 2Fe + 3H 2 O
Al + 3Br 2 AlBr 3
CaCO 3 CaO + CO 2

Respuesta :

04-02-2020

Answer:

2nd and last.

Explanation:

In the first equation,the number of hydrogen atoms is not balanced and in the third,the number of aluminum atoms is not balanced.

Answer Link

evamoreno244466666 evamoreno244466666

08-12-2020

Answer:

1. Fe 2 O 3 + 3H 2 2Fe + 3H 2 O

2. CaCO 3 CaO + CO 2

Answer Link

Otras preguntas

PLEASE HELP ITS DUE IN 2 hours I need a complete 5-6 sentences and at least 1 comping and other complex sentence theme is how do you define intelligence PLEASE

 7,0.6,0, 49, 50

?????????????????????????????

Match the graph with a rule. A. Y= -2x B. Y = x - 2 C. Y = -x D. Y = 2 - x

How many home runs did Aaron hit in 2005? 6 1/2 26 28 20

How many neutrons does an atom with the atomic number 80 and mass number 170 contain?

What is the best way to describe the changes to the characters in the story "Thank You, Ma'am?" A- Each character is viewed in a different way by the time the s

Hello everyone. New ppl on Ro.blox? I want to play sometime.

Read the vocabulary box. Text and Graphics Definition Example Caption A title or short explanation that often accompanies illustrations and photographs in print

What’s a traditional economic system