Answer: technically it is chemical and physical change
Explanation: chemical bc it’s burning and physical bc it’s going from a log to ashes
They are the remnants of the inner planets' accretion.
Explanation:
The asteroid belt formed from the remnants of the inner planets accretion. This is very correct according to the solar nebular hypothesis.
- The asteroid belt divides the rocky inner planets from the outer gaseous ones.
- It formed when the solar nebular, an interstellar gas cloud began to differentiate.
- The gravitational pull from the sun pulled the rocky masses closer.
- The remnants straddles between the gas giants and the inner planets.
- Materials in the asteroid belt are both gaseous and rocky in nature.
learn more:
Planets brainly.com/question/2887352
Asteroid brainly.com/question/12785992
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The reaction of Na2CrO4 (aq) and AgNO3 (aq) is as follows:
2AgNO3 (aq) +Na2CrO4 (aq) ⇒Ag2CrO4 (s) + 2NaNO3 (aq).
During this reaction, part of the CrO42- reacts with Ag+ and precipitates out of the solution, part of the CrO42- (excess amount) remains in the solution.
To find out how much CrO42- is reacted:
Moles of initial CrO42- = 0.075 L * 2.5 M = 0.1875 mole
Moles of initial Ag+ = 0.125 L * 1.79 M = 0.2238 mole
The reaction ratio between CrO42- and Ag+ is 1:2 according to the equation. So moles of CrO42- that is reacted is 0.2238 mole/2 = 0.1119 mole. Therefore, moles of CrO42- that remains in the solution is 0.1875mole-0.1119mole = 0.0756 mole
So the final concentration of CrO42- in the solution is 0.0756mole/(0.075L+0.125L)= 0.378 M.
Answer:
3,5-dichlorohex-1-ene
Explanation:
The compound is; H2C=CH-C(Cl)H-CH2-C(Cl)H-CH3. We can rightly call this compound by the name, 3,5-dichlorohex-1-ene.
We arrived at this name by first counting the longest parent carbon chain, that gives hexane. The compound has a double bond at the 1-position. Also, there are two substituent chlorine atoms at positions 3 and 5 in the structure, hence the name given.
Gas takes the shape and volume of its container because the particles in a gas are loosely packed, so that it doesn't have a defined shape or volume. This is why it takes the shape/ volume of it's container.