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

11. This question has two parts: List some important ideas that Walk Two Moons includes. Why did you choose those ideas? Tell how using a Reading Role helpe

Today, Native American tribes have the right to self-governance and self-education within tribal territories. Which of the following pieces of legislation gives

2.34 times 5.6 can anyone help me with thisath problem

3. Which of the following best describes demographic changes in the late 1800s? A. Cities grew much faster than rural areas. B. Rural areas grew fast

Calculate the concentration of hi when the equilibrium constant is 1x10^5

Please help I will reward brainly

what are major effects of the trade system developing the Arabian peninsula?

identify the degree of comparison for the underlined word. The end product is MORE COLORFUL than colors in initial prototype . A. Positive B. Comparative C. S

A radio news broadcast presents the opinions of those in favor of and those opposed to the city building a new sports stadium in your area. The source is _____

Compare American and British advantages and disadvantages during the revolutionary war. Answer in detail please