Dew forming on grass is an example of condensation true or fales and explain

2 answers:

7 0

True becuase dew is coming out of the air which if you look at a glass of water it has condensation on it becuase it is hot

LenaWriter [7]4 years ago

4 0

True hope this helps

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Review energy changes by identifying the correct statements about each reaction.

Grace [21]

Answer: The reaction is exothermic

The $\Delta H$ value is negative.

Heat is a product.

Explanation:

$2H_2(g)+O_2(g)\rightarrow 2H_2O(l)+136.6kcal$

Endothermic reactions are defined as the reactions in which energy of the product is greater than the energy of the reactants. The total energy is absorbed in the form of heat and $\Delta H$ for the reaction comes out to be positive.

Exothermic reactions are defined as the reactions in which energy of the product is lesser than the energy of the reactants. The total energy is released in the form of heat and $\Delta H$ for the reaction comes out to be negative.

The substances which are written on the left side of the arrow are reactants and the substances which are written on the right side of the arrow are products. Thus heat is a product.

5 0

4 years ago

How many grams of solid nickel will be plated if an aqueous nickel(II) sulfate solution is electroplated over 10.5 min with a co

Anna71 [15]

Answer:

613 mg

Explanation:

$Ni^{2+} + 2e \rightarrow Ni(s)$