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aliya0001 [1]
3 years ago
11

Which is a diatomic molecule? A)Ar B)CO C)CO2 D)NaCl

Chemistry
2 answers:
Molodets [167]3 years ago
8 0

Answer:

C. CO2

Explanation:

LUCKY_DIMON [66]3 years ago
5 0

Answer:

C. Co2

Explanation:

Oxygen is a diatomic molecule because 2 atoms are conisistebof a normal molecule.

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How does your body fight a disease
Evgesh-ka [11]

Answer:In general, your body fights disease by keeping things out of your body that are foreign. Your primary defense against pathogenic germs are physical barriers like your skin. You also produce pathogen-destroying chemicals, like lysozyme, found on parts of your body without skin, including your tears and mucus membranes.

Explanation:

my brain duhhh

8 0
3 years ago
Read 2 more answers
Which of the following is not a method of preserving metal?
olga55 [171]

Answer:

I believe the answer is a

Explanation:

Painting does not save the chemical structure for preserving metals.

If this helped can i please have brainliest?

6 0
3 years ago
If you needed to make 100 mL of a 0.2 M fruit drink solution from the 1.0 M fruit drink solution, how would you do it? (Hint: Us
Studentka2010 [4]

Answer: We take 20 ml of 1.0 M fruit drink and add 80 ml of water to get 100 ml of 0.2 M solution.

Explanation:

According to the neutralization law,

M_1V_1=M_2V_2

where,

M_1 = molarity of stock solution = 0.2 M

V_1 = volume of stock solution = 100 ml

M_2 = molarity of resulting solution = 1.0 M

V_2 = volume of resulting solution = ?

Now put all the given values in the above law, we get the volume of resulting solution.

(0.2M)\times 100=(1.0M)\times (V_2)

V_2=20ml

Therefore, the volume of 1.0 M required is 20 ml.

We take 20 ml of 1.0 M fruit drink and add 80 ml of water to get 100 ml of 0.2 M solution.

7 0
3 years ago
In the morning a student puts a warm soda in a ice filled cooler.
julsineya [31]

basically all of the molecules in the can of soda started to stop moving due to the compression and change of temperature. the ice had frozen the molecules and which then made the can of soda nice and cold lol

4 0
3 years ago
2C4H10+1302 -> 8CO2 + 10H₂O
kondaur [170]

Answer:

.137 moles

Explanation:

need to know the molar mass of water which is 18.01528 g/mol

2.46 g of H₂O divided 18.01528 g/mol molar mass H₂O = moles of H₂O

2.46 divided by 18.01528 =

.137 moles

C4H10 is butane

butane is commonly used in cigarette lighters

2C4H10+1302 -> 8CO2 + 10H₂O is the burning of butane

burning butane with oxygen makes carbon dioxide and water

vsumhcwagovau

7 0
2 years ago
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