sa4rindreaavriaangs sa4rindreaavriaangs

03-01-2016
Chemistry

contestada

11 Which substance can not be broken down by a chemical change?
(1) ammonia (3) ethane
(2) arsenic (4) propanal

Respuesta :

Megan170398 Megan170398

03-01-2016

(2) Arsenic. It is an element and elements are chemically the simplest units and cannot be broken down by any chemical change.

Answer Link

Otras preguntas

Please Help!!!!! Write the equation of a parabola with focus (-1, 3) and directrix x = -5. Also include a sketch of the parabola. Show all your work.

The graphs below have the same shapes. What is the equation for the red graph?

How many grams S03 are needed to make 400g H₂So4 in 49%

Select the correct answer from each drop-down menu. Choose the correct way to complete each sentence. Maps, graphs, and charts are of .

The Royal Fruit Company produces two types of fruit drinks. The first type is 35% pure fruit juice, and the second type is 60% pure fruit juice. The company is

Why does the author describe the hotel lobby as a "ghost town" in paragraph 1?

How many liters of a 0.80 M solution can be made with 2.0 mol KNO3?

Think of a situation where you or a friend made a choice that turned out differently than you expected. (You don't have to get personal - you can describe a fun

describe 4 differences between a bactrial cell and a plant cell

william used 15 cm of tape to wrap 3 presents, Find the length of tape to wrap for 1 present?