A force can exist between two charged particles or objects even if they're as small as subatomic particles. between which of the
se would a repulsive force exist?
a. proton-proton
b. electron-electron
c. neutron-neutron
d. a and b
1 answer:
D. a and b because same-charged particles repel each other
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A homogenous mixture is uniform and thus hard to recognize as a mixture. An example is water.
I’m pretty sure cooking an egg could be it
Answer: 1.5 moles
Explanation: one mole Zn uses 2 moles HCl.
1.5 moles Zn uses 3.0 mol HCl. Then Zn is a limiting reactant
And produces equal amount of H2.
answer:
- reducing energy use limits the number of carbon emissions in the environment
- conserving energy produces a higher quality of life. Reduced emissions result in cleaner air quality
- it helps create a healthier planet, or at least helps sustain the resources we already have
explanation:
1. 4NHCO3
2. 3CaCO3
3. 5NaC2H3O
4. 6NH3
5. 2CaCl2O2
ans ( a). NHCO3
