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

Syphilis can be treated by a. freezing the ulcers. b. treating both parties with antibiotics simultaneously. c. giving antiviral medications. d. surgically

What is |9|? a. –9 b. 0 c. 9 d. 18

write the equation of a line that is perpendicular to the given line and that passes through the given point. –x 5y = 14; (–5, –2) y = 5x– 27 y = -5x– 27 y = -1

Can anyone please help me out with this please I'm stuck on this question

What is public health?

Julio has started his very own floral business. He sells centerpieces for $19.50 each. His fixed costs are $500 per month, and each centerpiece cost $8 to produ

********HELP WITH THE PROBLEM IN THE PICTURE*********

how could the following sentence be rewritten as an interrogative sentence? we will be there by seven o’clock. we will be there! you will be there by seven o’cl

What is one role of ATP in the light-independent reaction of photosynthesis? ATP supplies the energy to produce glucose and other carbohydrates. ATP is produced

Which of the relations given by the following sets of ordered pairs is not a function? Select one: a. {(5,2),(4,2),(3,2),(2,2),(1,2)}{(5,2),(4,2),(3,2),(2,2),(1