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Eva8 [605]
3 years ago
15

In the greenhouse effect, infrared rays are trapped in the atmosphere. a. true b. false

Chemistry
2 answers:
Nat2105 [25]3 years ago
8 0
B. False let me know if it’s right :)
DedPeter [7]3 years ago
6 0
The answer is b. The answer is false.
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How many atoms, ions, or molecules are in a 1 molar solution?
Nezavi [6.7K]

Molarity refers to moles/ L. This indicates the concentration of a solution containing solute and solvent.

1 molar solution contains 1 mole of solute in 1 L of solvent.

According to Avogadro's number, 1 mole of a substance contains 6.023 x 10^23 molecules, atoms, or ions.

For this reason, 6.023 x 10^23 atoms, ions, or molecules are in a molar solution.

7 0
3 years ago
A diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 °C. What is the volume of the
alexdok [17]

Answer : The volume of the bubble is, 625 mL

Explanation :

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 2.4 atm

P_2 = final pressure of gas = 1.0 atm

V_1 = initial volume of gas = 250 mL

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 15^oC=273+15=288K

T_2 = final temperature of gas = 27^oC=273+27=300K

Now put all the given values in the above equation, we get:

\frac{2.4atm\times 250mL}{288K}=\frac{1.0atm\times V_2}{300K}

V_2=625mL

Therefore, the volume of the bubble is, 625 mL

7 0
3 years ago
For the reaction 2hno3 + mg(oh)2 → mg(no3)2 + 2h2o, how many moles of magnesium nitrate are produced from 8.00 moles of nitric a
Sladkaya [172]
You would get four moles of magnesium nitrate :) you would have to
“ ?molesmg(oh)2 = 8molmg(no3)2 x molmg(oh)2 / 2molhno3 = 4 moles of magnesium nitrate :))) hopefully this helps! <3
7 0
3 years ago
What percentage of the heat lost by the hot object(s) was gained by the water? Explain at least three factors that might have ca
amid [387]

sorry I don't know just kidding I know just kidding I don't know

6 0
2 years ago
Solar radiaton is visible light and some of the radiaton like____ is invisible
k0ka [10]

Answer:

Ultraviolet light.......

Explanation:

4 0
3 years ago
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