All categories

3 years ago

Is this correct???PLZ HELP

Chemistry

1 answer:

Vesnalui [34]3 years ago

5 0

Answer:

It looks correct, yes.

Explanation:

Iron oxide are chemical compounds composed of iron and oxygen, which is known as rust.

You might be interested in

If 840. mL of linseed oil has a mass of 700. g, calculate the density of linseed oil.

aleksklad [387]

Density can be determined as:

d = m /V

whereas, m is mass of compound

v is volume

d = 700 /840 = 0.83 g /mL

Thus density is 0.83 g /mL

6 0

4 years ago

How many liters are in 555 g of O2

victus00 [196]

Answer:

388.5

Explanation:

$\frac{555}{32} = 17.34375 \\ 17.34375 \times 22.4 = 388.5$

3 0

4 years ago

Which of these is a mixture

goldfiish [28.3K]

You are right sugar is a mixture and salad, water and potassium are all wrong.
Your Welcome

3 0

3 years ago

Read 2 more answers

In an aqueous chloride solution cobalt(II) exists in equilibrium with the complex ion CoCl42-. Co2 (aq) is pink and CoCl42-(aq)

kolezko [41]

Answer:

1. This reaction is (A) Exothermic .

2. When the temperature is decreased the equilibrium constant, K: (A) Increases

3.When the temperature is decreased the equilibrium concentration of Co2: (A) Increases

Explanation:

$CoCl4^2-(aq) Co_2+(aq) + 4Cl^-(aq)$

1. The pink color predominates at low temperatures, indicating that the commodity is preferred.

This is a reaction that is exothermic.

2. As the decrease in the temperature , the equilibrium constant , K ;

equilibrium constant = $\frac{product}{reactant}$ = $\frac{[CO^2^+][Cl^-^4]}{CoCl^2^-_4}$

As the temperature drops, the concentration of $Cl^-$ and $CO^2^+$ rises, and K rises as well , thus it increases .

3. The equilibrium concentration of $CO^2^+$ decreases as the temperature decreases:

When the temperature is lowered, the equilibrium shifts to the right , that is it increases.

4 0

3 years ago

Define physical and chemical properties, provide three examples of each, discuss their reversibility, and explain the fundamenta

Anton [14]

Answer:

Physical properties are defined as the properties which can be observed without changing its chemical composition.

Explanation:

5 0

3 years ago