Use this equqation for the problem:4Al+3O2 --> 2Al2O3 How many moles of oxygen are needed to completely react with 14.8 mol o
f Al?
1 answer:
Each mole of butane needs 6.5 moles of oxygen, so 13 moles of oxygen is required for 2 moles of butane in a complete combustion
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because it is mostly sunny there
Answer:
- atomic #= 1
- protons equals one
- Number of neutrons equals to 0
- number of electrons equal to 1
- mass number equals to 1
2.
- atomic number equals to 1
- Protons equals to 1
- number of neutrons equals to 0
- number of electrons equals to 0 because the plus sign means that it loses an electron
- mass number equals to 1
3.
- atomic number 17
- number of protons 17
- number of neutrons 18
- number for electrons 18 Because negative sign means It's an anion which means it gains an electron
- mass number 35
4.
- 12
- 12
- 12
- 10 loses 2 its a cation
- 24
5.
- 47
- 47
- 108-47 = 61
- 46 loses 1
- 108
6.
- 16
- 16
- 32-16 =16
- 18 it gains 2 electrons
- 32
there u go
(4) Zirconium
This element is often used in the chemical production field, and as implants due to its high chemical resistance and stability.
Chemical reactions can be identified when there is a change in color, energy is produced, change in odor, or if new substance forms.
Answer:
A. Both describe ways a solid can change.
