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Jet001 [13]
4 years ago
11

The tendency for an object at rest to remain at rest is?

Chemistry
1 answer:
cestrela7 [59]4 years ago
6 0
Newtons First Law... <span>Newton's first law of motion - sometimes referred to as the law of </span>inertia<span>. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an </span>unbalanced<span> force.</span>
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The volume of a gas is 22.4 L when the pressure of the atmosphere is 1.00 atm. If the pressure is increased to 1.05 atm, without
andreyandreev [35.5K]

Answer:

b I think

explanation

they're all false tho

4 0
3 years ago
Calculate the energy of a photon of light with<br> a frequency of 5.109 × 1016 Hz.
lyudmila [28]

Answer:

The energy of the photon is 1.718×10−26J.

Explanation:

The energy of the photon is

1.718 × 10 − 26J. You use the formula  E =\frac{hc}{λ}, where h is Planck's Constant,c is the speed of light, and λ is the wavelength of the photon.

E=\frac{hc}{λ}=\frac{6.626×10−34J⋅ s×2.998×108m⋅s-1}{11.56m} = 1.718×10−26J.

4 0
3 years ago
Which of the following substance is being reduced in the following reaction.? Cu (s) + 2AgNO3 (aq) + 2Ag (s) + Cu(NO3)2 (aq) A)
nikklg [1K]

<u>Answer:</u> The correct answer is Option A.

<u>Explanation:</u>

Oxidation reaction is defined as the reaction in which an atom looses its electrons. Here, oxidation state of the atom increases.

X\rightarrow X^{n+}+ne^-

Reduction reaction is defined as the reaction in which an atom gains electrons. Here, the oxidation state of the atom decreases.

X^{n+}+ne^-\rightarrow X

For the given chemical reaction:

Cu(s)+2AgNO_3(aq.)\rightarrow 2Ag(s)+Cu(NO_3)_2(aq.)

The half reactions for the above reaction are:

Oxidation half reaction: Cu(s)\rightarrow Cu^{2+}(aq.)+2e^-

Reduction half reaction:  2Ag^+(aq.)+2e^-\rightarrow 2Ag(s)

From the above reactions, copper is loosing its electrons. Thus, it is getting oxidized.

Silver ion is gaining electrons and thus is getting reduced.

Hence, the correct answer is Option A.

3 0
3 years ago
16. Circle the letter of each chemical equation that is balanced.
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Answer:

d

Explanation:

a) This is not an equation.

b) This is not an equation.

c) The reactant side has 1 Na and 2 O while the product side has 2 Na and 2 O, therefore it is not balanced

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6 0
3 years ago
Originally, the periodic table was arranged by
elixir [45]
Increasing atomic mass
5 0
3 years ago
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