but heres a way to solve it
An athlete takes a deep breath, inhaling 1.85 L of air at 21°C and 754 mm Hg.
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How many moles of air are in the breath? How many molecules?
Gas constant, R= 8.314 J mol ¹ K-1
PV = nRT
PV
RT
h=
=
P
= 0.08206 L atm mol-1 K-1
= 62.36 L Torr mol-1 K-1 -
1 atm = 760 mm Hg = 760 Torr
754 Forr 1.85€
6236 Jerr 294K
Answer:
A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements.
Explanation:
Let's all give it up for GOOGLE! where you can literally get an answer to something.
Answer:
<em>2.5</em> moles of sodium phosphate
Explanation:
3 Pb(NO3)2 + 2 Na3PO4 → Pb3(PO4)2 + 6 NaNO3
6 (moles in the reaction)- 7.5(moles in the task)
2 (moles in the reaction)- x (moles in answer) ⇒6x = 2*7.5 ⇒ x = 15/6=2.5 (moles)
Answer:
because the fossils are beutifule
Explanation:
because the fossils are rare in the world
Answer:
Simple Stoich Question
Explanation:
0.870 moles divided by 3 mol ratio of CuO, multiplied by 2 mol ratio of NH3 (ammonia)
