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Vera_Pavlovna [14]
2 years ago
10

A/an _______ is the smallest unit of matter that has the characteristics of a chemical element.

Chemistry
2 answers:
konstantin123 [22]2 years ago
8 0
The Answer is C) atom

julsineya [31]2 years ago
7 0

Answer:

The answer is atom.

Explanation:

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A) remove germs from the blood

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3 0
3 years ago
A 3.00-L flask is filled with gaseous ammonia, NH3. The gas pressure measured at 27.0 ∘C is 2.55 atm . Assuming ideal gas behavi
Whitepunk [10]

Answer : The mass of ammonia present in the flask in three significant figures are, 5.28 grams.

Solution :

Using ideal gas equation,

PV=nRT\\\\PV=\frac{w}{M}\times RT

where,

n = number of moles of gas

w = mass of ammonia gas  = ?

P = pressure of the ammonia gas = 2.55 atm

T = temperature of the ammonia gas = 27^oC=273+27=300K

M = molar mass of ammonia gas = 17 g/mole

R = gas constant = 0.0821 L.atm/mole.K

V = volume of ammonia gas = 3.00 L

Now put all the given values in the above equation, we get the mass of ammonia gas.

(2.55atm)\times (3.00L)=\frac{w}{17g/mole}\times (0.0821L.atm/mole.K)\times (300K)

w=5.28g

Therefore, the mass of ammonia present in the flask in three significant figures are, 5.28 grams.

8 0
3 years ago
Giardiasis is an intestinal parasite that can transmitted through person-to-person contact and infested swimming pools. This par
Volgvan

Answer:

I think it would be Contagious.

Explanation:

You get it from another person or from food and thats contagious.

3 0
2 years ago
The density of osmium, which is the densest metal, is 22.57 g/cm^3. What is the mass of a block of osmium that measures 1.00 cm
olganol [36]
Density = Mass / Volume
V = 1.00 * 4.00 * 2.50 = 10 cm³
22.57 g/cm³ = Mass / 10 cm³
M = 22.57 g/cm³ * 10 cm³
M = 225.7 g
Answer: The mass of the block of osmium is 225.7 g.
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3 years ago
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What will lithium and bromine make when they bond
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they will form a compound

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