Chemistry, 25.01.2021 16:30 unknown6669
Which of the following statements regarding the mole is incorrect?
O Amole is a counting unit equal to 6.02 x 1023 particles.
The mole is a unit that cannot be changed into any other unit.
The number of particles in a mole is known as Avogadro's number.
A mole of particles of an element is numerically equal to the atomic mass of the
element.
Answers: 1
Chemistry, 22.06.2019 16:00
Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
Answers: 1
Chemistry, 22.06.2019 17:30
I'm learning about the periodic tables and what each subject's configuration is. for example, hydrogen is 1s^1, but i don't understand how you get that. can someone me understand how to figure out how to figure this out? sorry if the question makes no sense, but it would really a lot if you could me understand! you so much if you can!
Answers: 1
Chemistry, 22.06.2019 18:50
Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g. what is the percent by mass of water in the hydrate? %
Answers: 1
Which of the following statements regarding the mole is incorrect?
O Amole is a counting unit equal...
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