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Crazy boy [7]
3 years ago
11

We can use thin layer chromatography to check if Starbuck coffee has caffeine. True False

Chemistry
1 answer:
Katarina [22]3 years ago
5 0

Answer:

false?

Explanation:

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HELPPP!! Which describes one feature of the image formed by a convex mirror?
notka56 [123]

Answer:

The correct answer is - right-side up.

Explanation:

A diverging mirror is a curved mirror that can be bulge outside towards the source of light called a convex mirror or inward away from the source of light called a concave mirror.

A convex mirror is a mirror that forms an image bigger and but right side up or exact as the object direction also called a virtual image. It appears to be bigger than the real object and not upside down as concave mirrors.

8 0
3 years ago
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Can someone please help me
Mashutka [201]

Answer:

ok this is going to be a bit much but i will teach the basics. also this is an exothermic reaction

Explanation:

  • concentration H2 increases: it shifts to the right. this decreases O2 and increase H2O and K stays the same
  • concentration H2 decreases: it shifts to the left, it increases O2 and decreases H2O and K stays the same
  • concentration of O2 increases: it shifts to the right, this decreases H2 and increase H2O and K remains the same
  • concentration of O2 decreases: it shifts to the left. this increases H2 and decreases H2O and K stays the same
  • concentration of H2O increases: it shifts to the left, this increases H2 and O2
  • concentration of H2O decreases: it shifts to the right, this decreases H2 and O2
  • temp. increase: shifts left, increase H2 and O2, decreases H20 and K decreases
  • temp decrease: shifts right, decrease H2 and O2, increase H2O and K increases
  • pressure increase: shifts right, decrease H2 and O2, increase H2O and K remains the same

ps i hope this helps. and i hope it isn't to confusing.

Sincerely, Marie

6 0
3 years ago
Joel has noticed that his engine is not compressing properly during the compression and ignition step. What problem will this po
denis-greek [22]

The answer is: The engine will run inefficiently APEX....

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What is the smallest atomic radius
bazaltina [42]

Answer:

Helium

Explanation:

Helium has the smallest atomic radius. This is due to trends in the periodic table, and the effective nuclear charge that holds the valence electrons close to the nucleus.

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cual es la importancia de conocer los numeros de oxidacion de los metales no metales y los metaloides​
Fittoniya [83]

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Conocer el número de oxidación de los elementos de un compuesto es de vital importancia para conocer si una semirreacción es de oxidación o de reducción en las reacciones de ese tipo.

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