Chemistry, 01.02.2021 14:40 vanessacox45
A student investigated the reaction of magnesium with oxygen.
The student calculated that 4.8 g of magnesium would make 8.0 g of magnesium oxide.
The equation for the reaction is:
2Mg + O2 → 2MgO
What mass of oxygen is required to produce 8.0 g of magnesium oxide from 4.8 g of magnesium?
Answers: 3
Chemistry, 21.06.2019 20:00
2h2s + 3o2 2so2 + 2h2o which option gives the correct mole ratios? h2s: so2 = 2: 2 and o2: h2o = 3: 2 h2s: so2 = 2: 3 and o2: h2o = 3: 2 h2s: so2 = 4: 4 and o2: h2o = 5: 4 h2s: so2 = 4: 6 and o2: h2o = 4: 4
Answers: 1
Chemistry, 21.06.2019 23:00
A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?
Answers: 1
Chemistry, 22.06.2019 12:30
Avariable that is not being directly tested during an experiment should be changed varied experimented controlled
Answers: 1
A student investigated the reaction of magnesium with oxygen.
The student calculated that 4.8 g of...
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