2 years ago

A wooden box with a mass of 50 kg in placed on a flat wooden table. What

Chemistry

1 answer:

Dmitriy789 [7]2 years ago

6 0

Answer:

is this have picture so I can solve

You might be interested in

Given the reaction 2NO2 1/202 N2O5, what is the relationship between the rates of formation of N,0, and disappearance of the two

daser333 [38]

Answer:

$r=\frac{r(NO_{2})}{2} =\frac{r(O_{2})}{1/2}=\frac{r(N_{2}O_{5})}{1}$

Explanation:

Let us consider the reaction:

2 NO₂ + 1/2 O₂ ⇄ N₂O₅

The rate of formation of a substance is equal to the change in concentration of the product divided the change in time:

$r(N_{2}O_{5})=\frac{\Delta [N_{2}O_{5}] }{\Delta t}$

The rate of disappearance of a reactant is equal to to the change in concentration of the reactant divided the change in time, with a negative sign so that the rate is always a positive variable.

$r(NO_{2})=-\frac{\Delta[NO_{2}] }{\Delta t}$

$r(O_{2})=-\frac{\Delta[O_{2}] }{\Delta t}$

The rate of the reaction is equal to the rate of any substance divided its stoichiometric coefficient. In this way, we can relate these expressions:

$r=\frac{r(NO_{2})}{2} =\frac{r(O_{2})}{1/2}=\frac{r(N_{2}O_{5})}{1}$

8 0

2 years ago

What is the differentences between atomic number and atomic mass?

natima [27]

Atomic number is number on periodic table, mass is how big element is

3 0

2 years ago

How many protons and neutrons are there in an atom of 3.K?

pickupchik [31]

Answer:

A: 11 protons and 21 neutrons

Explanation:

Hopefully this helps!

3 0

2 years ago

Help ASAP 40 pts If answer 6

Olenka [21]

Answer:

1. B

2. C.

3. C

4. C.

5. A

6. B

Explanation:

i think?

3 0

2 years ago

Read 2 more answers

First person to comment there crush name get brainlyest

aleksandr82 [10.1K]

Answer:

Explanation:

David <3

5 0

2 years ago