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Tju [1.3M]
3 years ago
12

HELP WILL GIVE BRAINLIEST!!

Chemistry
1 answer:
prohojiy [21]3 years ago
4 0

Answer:

This if from lowest to highest

  1. Parked truck
  2. Slow car (depending on its actual speed)
  3. Fast feather (depending on how its falling)
  4. Fast baseball
  5. Fast car (depends on it's mph)
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An element has two isotopes, A and B, with mass numbers of 32.0 and 33.0 respectively. The relative atomic mass is 32.3. The per
vlada-n [284]

Answer:

d) A - 70% B - 30%

Explanation:

If x is the abundance of A, and 1−x is the abundance of B, then:

x (32.0) + (1−x) (33.0) = 32.3

32x + 33 − 33x = 32.3

33 − x = 32.3

x = 0.7

The abundance of A is 70%, and the abundance of B is 30%.

7 0
3 years ago
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Answer:

Si.

Explicación:

Sí, podemos predecir si una solución acuosa será un buen conductor de corriente eléctrica si conocemos el soluto que se disuelve en ese líquido y su concentración o cantidad. Hay algunas sustancias que se ionizan cuando se agregan en un líquido como el agua. Debido a esta ionización, será un buen conductor de electricidad. Por ejemplo, la adición de una gran cantidad de cloruro de sodio en agua ioniza y hace que el agua sea un buen medio conductor de electricidad.

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What happens when baking soda mixes with vinegar?
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answer A.a new substance is formed

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Explain why alkali metals do not form divalent ions.​
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Alkali metals have only one electron in their outermost energy levels , so (they can loose one electron to) they form a mono positive ion only . That's why alkali metal do not from dispositive ions .

Hope that helps:)
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What type of charges do nonmetals develop in ionic compounds?
Mazyrski [523]

positive is the answer


8 0
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