kklaiss kklaiss

03-05-2020
Chemistry

contestada

4P + 502 → 2P20x
The subscript of oxygen in the product should be?

a. 2

b.5

c.10

d.20

Respuesta :

MikeVietnam MikeVietnam

14-05-2020

Answer:

5

Explanation:

According to the Law of Conservation of Matter, the mass of the products in a chemical reaction must equal the mass of the reactants.

5O2 = 10 Oxygen atoms

In 2POx there must be 10 Oxygen atoms too. => x = 5

...

Hope it can help you.

Answer Link

Otras preguntas

what is the area of the irregular polygon below

A company commences business on 1 April. It buys the following units of inventory.Date1 April1 September1 DecemberQuantity200400200Unit cost£250£200£300During t

If the magnitude of the magnetic field is 2.50 mT at a distance of 12.6 cm from a long straight current carrying wire, what is the magnitude of the magnetic fie

The smaller of two consecutive numbers is x + 3. Find the sum of the two numbers.

A relação entre o tempo e a distância percorrida pelo ciclista é uma função? Justifica.

identified an investment project with the following cash flows. Year Cash Flow 1 $850 2 1,190 3 1,450 4 1,600 a.If the discount rate is 7 percent, what is the p

Please answer this correctly

if rectangle ABCD was reflected over the y-axis, reflected over x axis, and rotated 180°, where would point A' lie?

Pratt Corp. started the Year 2 accounting period with total assets of $37,000 cash, $15,500 of liabilities, and $12,000 of retained earnings. During the Year 2

Amadi is listening to John play the guitar. When John plays a note, the vibrations of the air are picked up by auditory receptors in his ear and sent to the bra