How can 6m nitric acid be used to identify co2 3 ions dissolved in the same solution with so2 4 and po3 4 ions? 2. how can you distinguish between so2 4 and po3 4 if they are present in the same solution? 3. what would you do and how would you know that a precipitate contained either agcl, or agi, or both? 4. why should you test for the presence of no 3 ions in a solution before testing for the presence of cl and i ions in that solution? 5. why should a person not test for the presence of no 3 ions in a solution that he or she plans to subsequently test for the presence of sulfate ions, so2 4 ?

the movie was based there, and all the animals and characters are native.

~courtney

first let us lay out the formula for potential

and kinetic energy:

pe = mgh

ke = (mv^2)/2

where: m=mass, v=velocity, g=gravitational

acceleration, h=height

calculating for mass using the known values of

pe:

340j = m (9.81 m/s^2) (50ft) (1m/3.28ft)

m = 2.27 kg

the law of conservation of energy states that

energy is neither created nor destroyed. therefore, the change in kinetic

energy from 50 ft to 35 ft would be equal to the change in potential energy

from 50 ft to 35 ft. however it would be opposite in signs since one is losing

while other is gaining.

ke(35ft) – ke(50ft) = - [ pe(35ft) – pe(50ft]

ke(50ft) = 0 since the brick is initially at rest

ke(35ft) = 340j - 2.27kg (9.81 m/s^2) (35ft)

(1m/3.28 ft)

ke(35ft)

= 102.38 j

the answer is   c.) 1575 j.

explanation: