3 years ago

Base your answers to questions 66 through 68 on the information below.

1 answer:

5 0

Atoms are divisible and can be broken down into smaller particles. We know these particles as protons, neutrons and electrons.

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For a half-reaction in an acidic solution, which substances should you add to balance the equation?

solmaris [256]

Hello!

I believe the correct answer to this question is H+ and H2O.

I hope you found this helpful! :)

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4 years ago

Which factor is the major cause of both prevailing global wind patterns and ocean currents?

Alenkasestr [34]

The suns hear is uneven on the earth

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3 years ago

Elemental calcium reacts with water at room temperature to form calcium hydroxide and hydrogen gas as shown in this equation. So

dem82 [27]

Reaction of Elemental Calcium with Water is as follow,

Ca + 2 H₂O → Ca(OH)₂ + H₂↑

When Sodium Metal is reacted with Water it produces NaOH and eliminates Hydrogen gas as shown in following equation,

2 Na + 2 H₂O → 2 NaOH + H₂↑

In both cases corresponding Hydroxides along with Hydrogen gas is produced.

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3 years ago

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15. Describe two physical and two chemical changes involved in cooking. (4 points)

Zigmanuir [339]

Answer:

Explanation:

Physical changes in cooking include the melting of solids, such as butter, and the boiling of liquids, such as water. Examples of physical changes would be the melting of fats and the boiling of water. Chemical changes involve the production of new substances.

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3 years ago

Calculate the [OH-] if the pOH = 2.55.

Fynjy0 [20]

Answer: d

Explanation:it’s physics no so hard

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3 years ago