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fenix001 [56]
2 years ago
5

Which one of the following is not a compound?

Chemistry
2 answers:
DaniilM [7]2 years ago
8 0

Answer:

Marble.

Explanation:

Novay_Z [31]2 years ago
5 0

it's answer a) marble.

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Answer quickly i'm out of time !!!!!!
melamori03 [73]

Answer:

Option D. pH= 1.3 strong acid

Explanation:

From the question given:

The hydrogen ion concentration [H+] = 0.05 M

pH = —Log [H+]

pH = —Log 0.05

pH = 1.3

Since the pH lies between 0 and 7, the solution is acidic. Since the pH value is low, the solution is a strong acid

8 0
2 years ago
A cork has a mass of 3 grams and a volume of 16 cms calculate the density
REY [17]

hey mate here is ur answer

solution

mass{m}=3 gram

             =3/1000

             

volume{v}=16cm

                =16/100

               

density=m/v

           =3/1000÷16/100

           =3/160

            =0.01875kg/m3

6 0
3 years ago
The compounds shown below are written using the chemical symbols for the elements that they contain. The key shows the names of
Scrat [10]
Most of the compounds containing C and H are organic so A. CH4 is the correct option
8 0
2 years ago
What is the best place to find detailed information about a hazardous chemical used in your work area
azamat

Answer:

MSDS  --  Material Safety Data sheet

Explanation:

The full form of MSDS is Material Safety Data sheet. A Material Safety Data Sheet is a document which contains the information related to the potential hazards (fire or reactivity and environmental and health ) and includes how to work or use the chemical product safely.

It is regarded as an essential starting point for development of the complete health as well as safety program. MSDS also contains other information such as the use of the chemical, its storage and also handling and the  emergency procedures that are related to the hazards of the material.

3 0
2 years ago
Increasing the volume of a sealed container will cause the gas particles within the container to.
Stella [2.4K]

Answer:

collide less often and with less force

3 0
1 year ago
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