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fredd [130]
2 years ago
9

Why are atoms considered the building blocks life?

Chemistry
1 answer:
dmitriy555 [2]2 years ago
7 0
Because atoms can join together to form molecules, which in turn form most of the objects around us.
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A physician may need to increase a patient's prescribed dosage if he or she has developed what?
antoniya [11.8K]
The answer to this question would be: resistance

When a patient developing a resistance to a certain drug, the same amount of doses will not exert the same effect as before. The effect will be lower, thus the doctor will need to increase the dose to increase the effect
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3 years ago
How much NaNO3 can I dissolve in 400 grams of water at 283 K?
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2 years ago
What is indicated by a letter in parentheses after a chemical
Sati [7]

The letter in parentheses after a chemical formula indicates c) the physical state of the substance.

The letters can be:

→ (s) for solid.

→ (l) for liquid.

→ (g) for gazeous.

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4 0
3 years ago
How do you calculate mass using density and volume?
vazorg [7]

D = M/v
M = Dv
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7 0
3 years ago
What is the volume, in liters, occupied by 0.485 moles of Oxygen gas at 23.0 oC and 0.980 atm?
____ [38]
Use the universal gas formula

PV=nRT
where
P=pressure ( 0.980 atm)
V=volume (L)
T=temperature ( 23 ° C = 23+273.15 = 296.15 ° K)
n=number of moles of ideal gas (0.485 mol)
R=universal gas constant = 0.08205 L atm / (mol·K)

Substitute values,
Volume, V (in litres)
=nRT/P
=0.485*0.08205*296.15/0.980
= 12.0256 L
= 12.0 L (to three significant figures)


Read more on Brainly.com - brainly.com/question/10606064#readmore
5 0
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