Which event was a major source of atmospheric oxygen
A. Volcanic eruptions
B. Decomposition o...
Chemistry, 21.12.2020 20:00 sallonquarts
Which event was a major source of atmospheric oxygen
A. Volcanic eruptions
B. Decomposition of water
C. Outgassing
D. Photosynthesis
Please help me!
Answers: 2
Chemistry, 22.06.2019 07:40
22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na,so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
Answers: 1
Chemistry, 22.06.2019 11:00
The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?
Answers: 1
Chemistry, 22.06.2019 11:40
Consider this equilibrium: n29) + o2(g) + 2no(c).nitrogen gas and oxygen gas react when placed in a closed container. as the reaction proceeds towards equilibrium, what happens to the rate of thereverse reaction?
Answers: 1
Chemistry, 22.06.2019 18:00
To apply in a gold the individual gold atoms are united to each other by means of a metallic bond. how would you use the gold block to determine the atomic radius of a gold atom?
Answers: 3
Mathematics, 11.01.2021 17:00
Mathematics, 11.01.2021 17:00
Engineering, 11.01.2021 17:00
Mathematics, 11.01.2021 17:00
Mathematics, 11.01.2021 17:00
History, 11.01.2021 17:00
Mathematics, 11.01.2021 17:00