It is topsoil, subsoil, and parent material
Answer: 1.284M NH3
Explanation: (12.23 grams)/(17.0 gramms/mole) = 0.7191 moles
Dissolved in 560.0 ml (=0.5600L)
(0.7191 moles)/(0.560L) = 1.284M (4 sig figs)
Answer:
yes
Explanation:
when you are not looking directly at it it won't affect you in any way
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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