All categories

2 years ago

In the chemical formula 2so2, how many total atoms of sulfur (s) are there? 1 2 4

1 answer:

6 0

Sulfur has the coefficient of 2, and nothing else. This indicates Sulfur has 2 atoms.

Oxygen on the other hand, has a subscript of 2, as well as the coefficient of 2. Multiplying those, and you see Oxygen has 4 atoms.

So your answer is 2

Also remember there is a 2 in front of S meaning there are 2 Sulfurs.
If it was S02 it would be 1 Sulfur as there is no number in front of sulfer. 

Remember the number in front of a element, represents how many atoms there are :)

You might be interested in

As the temperature of a gas in a closed container increases, what is true of the particles in the substance? (2 points)

Misha Larkins [42]

The rate of movement increases, as they get faster with more energy.

8 0

3 years ago

Read 2 more answers

When silver coins are found in ancient shipwrecks,they are coated with a black crust. What question could you ask to help you de

leonid [27]

It went under a physical change because it (1) changed color. (2) changed form.

8 0

2 years ago

Using the balanced equation for the next few questions: 4 Fe(s) + 30 (9) - 2Fe2O3(s)

stira [4]

Answer:

0.075 moles of iron oxide would be produced by complete reaction of 0.15 moles of iron.

Explanation:

The balanced reaction is:

4 Fe + 3 O₂ → 2 Fe₂O₃

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

Fe: 4 moles
O₂: 3 moles
Fe₂O₃: 2 moles

You can apply the following rule of three: if by stoichiometry 4 moles of Fe produce 2 moles of Fe₂O₃, 0.15 moles of Fe produce how many moles of Fe₂O₃?

$moles of Fe_{2} O_{3} =\frac{0.15 moles of Fe*2 moles of Fe_{2} O_{3} }{4 moles of Fe}$

moles of Fe₂O₃= 0.075

0.075 moles of iron oxide would be produced by complete reaction of 0.15 moles of iron.

5 0

2 years ago

A 6.0 M HCl solution is available. What volume is needed to make 6.00 L of 1.00 M solution?

Ket [755]

Answer:

The volume of the stock solution needed is 1L

Explanation:

Step 1:

Data obtained from the question. This include the following:

Concentration of stock solution (C1) = 6M

Volume of stock solution needed (V1) =?

Concentration of diluted solution (C2) = 1M

Volume of diluted solution (V2) = 6L

Step 2:

Determination of the volume of the stock solution needed.

With the dilution formula C1V1 = C2V2, the volume of the stock solution needed can be obtained as follow:

C1V1 = C2V2

6 x V1 = 1 x 6

Divide both side by 6

V1 = 6/6

V1 = 1L

Therefore, the volume of the stock solution needed is 1L

5 0

2 years ago

Not sure how to answer this:

ahrayia [7]

Answer:

A. The red side is acidic.

B. Because it has more positive hydrogen ions.

C. The blue side is basic.

D. Because it has more negative hydroxide ion.

4 0

2 years ago