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shepuryov [24]
4 years ago
15

A testable explanation that's supported or refuted is called an

Chemistry
1 answer:
N76 [4]4 years ago
5 0
It is called a hypothesis.
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Haley has been having difficulty breathing. She is having difficulty with the gas exchange in the respiratory system. Which orga
Aleksandr-060686 [28]

Answer:

Lungs.

Explanation:

This is because the lungs are respiratory organs in the body that are located at the either side of the thorax or chest. These are organs that are incharge of exchange of gases. The air is breathe in through the trachea i.e oxygen is inhaled and carbondioxide which is the waste product is exhaled. Gas exchange take place in the lungs.

8 0
3 years ago
For the reaction 4 NH3(g) + 5 O2(g) \longrightarrow 4 NO(g) + 6 H2O(g), if the rate of change of NH3 (Δ[NH3]/Δt) is -6.0 x 10-3
lyudmila [28]

Answer:

a

Explanation:

3 0
3 years ago
if an atom of polonium-218 were to undergo alpha emission, followed by two beta emissions, which nuclide would result? lead-214
tia_tia [17]
Po, (218, 84) - Alpha Particle (4, 2) =   (218 - 4, 84 - 2) = <span>(214 , 82)</span>

(214 , 82) - 2Beta =   (214, 82 - 2*(-1)) = (214 , 84)

Polonium has atomic number of 84.

So answer = Polonium-214
8 0
3 years ago
Read 2 more answers
Consider the chemical equations shown here.
Ostrovityanka [42]

Answer:

-890

Explanation:

8 0
3 years ago
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Which of the following factors would reduce the yield of a reaction?
NikAS [45]

The products being more stable than the reactants is the factor which would reduce the yield of a reaction and is denoted as option B under standard conditions.

<h3>What is a Chemical reaction?</h3>

This is the process in which one or more substances which are referred to as reactants are converted into new substances which we call the products.

A chemical reaction involves atoms exhibiting different bond formation so as to ensure they acquire an octet configuration and promotes proper stability of the products.

When the products are more stable than the reactants it means it is unable to form other products thereby decreasing the yield which is why it was chosen as the most appropriate choice.

Read more about Chemical reaction here brainly.com/question/11231920

#SPJ1

3 0
2 years ago
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