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Tcecarenko [31]
3 years ago
11

Geologists use the Law of Superposition to date rock layers. However, the Earth's

Chemistry
1 answer:
Allisa [31]3 years ago
4 0
The answer is d faults
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True or false: All heterotrophs are omnivores.
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Answer:

False. They can be both omnivores and carnivores.

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Draw the isotopic notation for an element with 15 protons, 18 neutrons and 18 electrons
tatiyna

Answer:

can't be done

Explanation:

protons and electrons always are the same number,and the neutrons are found by subtracting the atomic mass and protons/electrons soooooooo it can't have 15 protons, 18 electrons, and 18 neutrons.......i hope this helped if not please tell me.

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What does the scientific method process allow for?
inn [45]

It allows to test a inference, and analyze data to determine if the inference of the observation was correct.

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3 years ago
A 75.0-milliliter lightbulb is filled with neon. There are 7.16 × 10-4 moles of gas in it, and the absolute pressure is 116.8 ki
Fantom [35]

Answer:- 1467 K

Solution:- It asks to calculate the kelvin temperature of the light bulb. Looking at the given info, it is based on ideal gas law equation, PV=nRT.

Given: n=7.16*10^-^4moles

V = 75.0 mL = 0.0750 L

P = 116.8 kPa

We know that, 101.325 kPa = 1 atm

So, 116.8kPa(\frac{1aym}{101.325kPa})

= 1.15 atm

R is universal gas constant and it's value is 0.0821\frac{atm.L}{mol.K} .

T = ?

Let's plug in the values in the equation and solve it for T.

1.15(0.0750)=7.16*10^-^4*0.0821(T)

0.08625 = 0.00005878(T)

T=\frac{0.08625}{0.00005878}

T = 1467 K

So, the temperature of the light bulb would be 1467 K.

6 0
3 years ago
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Which type of energy refers to the sum of potential and kinetic energies in the particles of a substance?
MrRa [10]

Explanation:

the sum of PE and KE is mechanical energy this means energy during motion and position I think the answer is motion and stored or it may be internal

3 0
3 years ago
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