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

A line intersects the points (3,6) and (5, -4). m=-5 write an equation in point-slope form using the point (3,6)y - [?] = __ (x -__)

if we walk so slowly we__late.(would be/will be)

A bacteria population has been doubling each day for the past 5 days. It is currently 100000. What was the population 5 days ago?

5.259 to the thenths place

Which measure of central tendency is the most affected by outliers Median Mean Midrange Mode (Is it the mean or midrange?)

how do you Simplify this question (5q4)(9q6) =

What are the three techniques scientists can use for correlation ? (fossils)

what illness did his cousin suffer causing him to have seizure?

A motorcycle rides from point P to Q to R to S and finally to P in a circular path as shown in the below figure. Find a) the distance travelled by motorcycle. b

40 points pls help!! Select one of the central characters of The Scarlet Letter. Explain how Hawthorne characterizes that character--what clues he provides and