The mesosphere is the coldest of the atmospheric layers. In fact it is colder than the Polar regions of the Earth cold enough to freeze water vapor into ice clouds. As you increase in altitude, temperature decreases The thermosphere is the layer to which this pattern does not apply.
Seems to me it's graph A, based on the trends.
Answer:
0.726 mol·L⁻¹
Step-by-step explanation:
c = moles/litres
=====
Moles = 29.8 × 1/342.30
Moles = 0.087 06 mol
=====
Litres = 120 × 1/1000
Litres = 0.120 L
=====
c = 0.087 06/0.120
c = 0.725 mol·L⁻¹
Answer:
when the net force of an object decreases
, the objects acceleration decreases.
Answer:
- Report all accidents, injuries and breakage of class or equipment to instructor immediately.
- Keep pathways clear by placing extra items on the shelves or under the work tables. If under the tables make sure that these items can no be stepped on.
- Long hair (chin-length or longer) must be tied back to avoid catching fire.
- Wear sensible clothing including footwear. Loose clothing should be secure so they do not get caught in a flame or chemicals.
- Work quietly - know what you are doing by reading the assigned experiment before you start to work. Pay close attention to any cautions described in the laboratory exercises.
- Do not taste or smell chemicals.
- Wear safety goggles to protect your eyes when heating substances, dissecting, etc
- Do not attempt to change the position of glass tubing in a stopper.
- Never point a test tube being heated at another student or yourself. Never look into a test tube while you are heating it.
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