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Delicious77 [7]
3 years ago
8

!!!!!!!!!!!!!!!???? hElP!!!!!!!!!!!!

Chemistry
2 answers:
n200080 [17]3 years ago
8 0
Transparent and Translucent.

Opaque materials do not allow any light to pass through. An easy way to remember this is to understand that the prefix trans- means to pass or cross (thing about the words transport or transfer). The prefix trans on both of these words tell you that light can PASS through.
kakasveta [241]3 years ago
5 0
I think the answer is transparent and translucent
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Which of the following best represents potential energy being converted to kinetic energy? (2 points) The chemical energy in a b
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Answer: A woman kicks a soccer ball and scores a goal.

Explanation:

Potential energy: it is the energy possessed by the body due to its position.

Kinetic energy: it is the energy possessed by the the body  due to its motion.

When a woman kick's a soccer ball she transferred her potential energy to soccer ball.Due to this action soccer ball comes into motion which means potential energy imparted to the ball starts getting converted into kinetic energy.

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3 years ago
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The mass of an element is 27 and it's atomic number is 13. Give the composition of the nucleus of it's atom.
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Answer:

nucleus consists of:

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8 0
2 years ago
In the diagram below, west is to the left, east is to the right, and the observer is looking toward the north. What is the direc
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2 years ago
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Consider the reaction: 2NO(g) + 2H2(g) → N2(g) + 2H2O(g) A suggested mechanism for this reaction follows: (1) NO(g) + NO(g) → N2
Dominik [7]

Hello. This question is incomplete. The full question is:

"Consider the following reaction.  2NO(g) + 2H2(g) → N2(g) + 2H2O(g)

A proposed reaction mechanism is:  NO(g) + NO(g) N2O2(g) fast  N2O2(g) + H2(g) → N2O(g) + H2O(g) slow  N2O(g) + H2(g) → N2(g) + H2O(g) fast

What is the rate expression?  A. rate = k[H2] [NO]2  B. rate = k[N2O2] [H2]  C. rate = k[NO]2 [H2]2  D. rate = k[NO]2 [N2O2]2 [H2]"

Answer:

A. rate = k[H2] [NO]2

Explanation:

A reaction mechanism is a term used to describe a set of phases that make up a chemical reaction. In these phases a detailed sequence of each step is shown, composed of several complementary reactions, which occur during a chemical reaction.

These mechanisms are directly related to chemical kinetics and allow changes in reaction rates to be observed in advance.

Reaction rate, on the other hand, refers to the speed at which chemical reactions occur.

Based on this, we can observe through the reaction mechanism shown in the question above, that the action "k [H2] [NO] 2" would have no changes in the reaction rate.

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3 years ago
Scientists tracking the populations of certain freshwater fish have found an increase in the female to male ratio of several sma
vodomira [7]
I believe that the answer to the question provided above is that <span>they formed two very different hypotheses since it is what they saw according to what they knew. Also hypothesis is just an intelligent guess.</span>
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