A) a disk formed of long trails of stars coiled into a spiral
Answer:
covalent bond
Explanation:
ionic bond is when electrons are transferred by atoms not shared
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Answer:
A. mass X to moles X to moles Y to liters Y
Explanation:
Remember: moles are the great converter. They're basically just a made-up concept meant to facilitate conversions!
Starting with mass X, you must then convert to moles X.
Once you have moles X, convert moles Y. Think of a chemical equation: the mole ratios are the coefficients!
Once you have moles Y, all you have to do is convert to liters Y. You can do this with the molarity equation M = mol/L, or if it's a gas at STP you know the conversion!
Answer:
Mixing bleach and ammonia will create a toxic chloramine gas. Exposure to chloramine gas can cause irritation to your eyes, nose, throat, and lungs .
if you do accidentally mix bleach and ammonia, get out of the contaminated area and into fresh air immediately.
hope this help u ☆