Answer:
Hal is wrong because the teacher can instruct the student, but no make all the choices in a lab.Students must always wear ppe (personal protection equipment) , use proper lab protocol, and conduct themselves in a responsible manner. It is NOT the work of a teacher to ensure lab safety, but in fact the responsibility of said students.
Answer: exothermic
Explanation: chemical reactions that release energy is called exothermic, and in this case, more energy is being released. (I THINK)
44g of CO2 can produce by the reaction of carbon with oxygen
An empty 20 lb tank will hold about 4.7 gallons of propane. That is $18.47 at $3.93 per gallon
Solution
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Correct option is D)
XY
3
is formed by covalent bonding in its atoms when X is short of three electrons to complete its shell while Y atom is short of one electron to fill its shell. Three Y atoms share its electrons with X forming three X−Y covalent bond. Hence, the formula of the compound formed is XY
3
.
