2 years ago

Help me with homework.

Chemistry

1 answer:

andrey2020 [161]2 years ago

7 0

The chemical equation is said to be balanced if the number of atoms in the reactants and products is the same

<h3>Further explanation</h3>

Equation balanced ⇒ total number of atoms in reactants(on the left)= total number of atoms in products(on the right)

H₂+O₂---> H₂O

Reactants : H₂, O₂

Products : H₂O

not balanced

H₂O₂ ---> H₂O+O₂

Reactants : H₂O₂

Products : H₂O, O₂

not balanced

Na+O₂ ---> Na₂O

Reactants : Na, O₂

Products : Na₂O

not balanced

N₂+H₂ ---> NH₃

Reactants : N₂, H₂

Products : NH₃

not balanced

P₄+O₂---> P₄O₁₀

Reactants : P₄, O₂

Products : P₄O₁₀

not balanced

Fe+H₂O ----> Fe₃O₄ + H₂

Reactants : Fe, H₂O

Products : Fe₃O₄

not balanced

You might be interested in

All camels are basically similar in structure. They have developed adaptations for

Feliz [49]

Answer:

B. Camels’ ears are lined with fur to keep out sand and other blowing matter.

5 0

2 years ago

Put the following into correct SciNot: 312.5 x 10^20.<br><br>1 point<br><br>Your answer<br><br><br>

lions [1.4K]

Ans= 3.125*10^22

Solution:
312.5 * 10^20
=3.125 * 10^2 * 10^20
= 3.125 * 10^2+20
= 3.125 *10^22,,

7 0

2 years ago

An atom has 18 neutrons and 17 proton. a) How many electrons are in this atom

Paul [167]

Answer:

17 electron

Explanation:

because the number of the proton and number of electron is equal if ther is no charge

7 0

2 years ago

When mountains are young, like the Rocky Mountains, they are very tall, with sharp jagged shapes. When mountains are old, they

marta [7]

I think A.weathering, is the best possible answer

6 0

2 years ago

What element does not follow the horizontal and verticals trend?

SCORPION-xisa [38]

Nitrogen, Oxygen, and Fluorine do not follow this trend. The noble gas electron configuration will be close to zero because they will not easily gain electrons.

6 0

2 years ago