All categories

3 years ago

Why empty gas cylinder is dangerous?

1 answer:

4 0

Answer:Empty gas cylinders are dangerous because the can explode and cause hazards and empty gas cylinders with open valves can breath,this can cause explosion.

Explanation:

You might be interested in

9. t An element that has only 5 electrons in the 4p orbital is located in which group? A. O Group 1 B. Group 17 C. O Group 2 D.

umka2103 [35]

Answer:

B. Group 17

Explanation:

The element is Bromine. Its electron configuration is:

1s2 2s2p6 3s2p6d10 4s2p5

You can see that its last orbital is 4p^5 for 5 electrons in the 4p orbital.

6 0

3 years ago

If 298 mL of 0.575 M CuCl2 is diluted into 750 mL, what is the concentration of new solution?

Sonja [21]

Answer:

<h3>The answer is 0.228 M</h3>

Explanation:

To find the concentration of new solution we use the formula

$C_1V_1 = C_2V_2$

where

C1 is the concentration of the stock solution

V1 is the volume is the volume of the stock solution

C_2 is the concentration of the diluted solution

V2 is the volume of the diluted solution

Since we are finding the the concentration of new solution

$C_2 = \frac{C_1V_1}{V_2} \\$

From the question

C1 = 0.575 M

V1 = 298 mL

V2 = 750 mL

We have

$C_2 = \frac{0.575 \times 298}{750} \\ = 0.228466666...$

We have the final answer as

Hope this helps you

4 0

3 years ago

Three isotopes of sulfur are sulfur-32, sulfur-33, and sulfur-34. write the complete symbol for each isotope, including the atom

Maurinko [17]

Sulfur is an element in the periodic table that has a chemical symbol of S. This element is the 16th element in periodic table. This means that the atomic number or number of protons in the nucleus of the atom is equal to 16.

The number following the name of the element is the mass number. The following are the complete symbol that are arranged as follows:
chemical symbol - atomic number - mass number

*Sulfur-32
S - 16 - 32

*Sulfur-33
S - 16 - 33

*Sulfur-34
S - 16 - 34

8 0

3 years ago

Read 2 more answers

Lead is listed below zinc in the activity series.

nikdorinn [45]

Answer:

Zn+Pb(NO3)2→Zn(NO3)2+Pb

3 0

3 years ago

Read 2 more answers

I haven’t shifted before I tried like once a few months ago and I keep wanting to shift and last night I had a dream I did is th

shepuryov [24]