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laila [671]
3 years ago
6

How would a geologist use absolute dating to determine the age of sedimentary layer?

Chemistry
2 answers:
Sati [7]3 years ago
6 0

Answer:

They can be dated using radioactive carbon. But for rocks older than 50 thousand years they look for layers of igneous rock or volcanic ash above and Bellow the layer of rock/fossil.

Zinaida [17]3 years ago
6 0

Answer:

By dating the age of instrusions and extrusions near a sedimentary rock layer

Explanation:

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One mole of aluminum atoms has a mass of 27 grams. How many grams are in 9.0 moles of aluminum?
gizmo_the_mogwai [7]
27*9=243 if one mole is equal to 27 grams times that by 9
6 0
2 years ago
What is a level 7-8 grade science fair project I can do?
Delicious77 [7]
Making an atom or a virus structure
4 0
3 years ago
The atomic mass unit is presently based on assigning an exact integral mass (in amu) to an isotope of ________.
MAVERICK [17]

The atomic mass unit is presently based on assigning an exact integral mass (in amu) to an isotope of carbon.

<h3>What is the atomic mass?</h3>

The atomic mass is a measurement used in physics and chemistry to denote the average atomic mass of a given element which is measured in the atomic mass unit or amu.

In conclusion, the atomic mass unit is presently based on assigning an exact integral mass (in amu) to an isotope of carbon.

Learn more about the atomic mass here:

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8 0
1 year ago
Which of the following pieces of lab equipment measures liquid volume most precisely?
VARVARA [1.3K]

Answer:

Graduated cylinder is the correct answer for this question

4 0
3 years ago
A sample of ideal gas is heated in a 2L vessel at a temperature of 320 Kelvin. the pressure in the vessel is 2.5 atm. What is th
Amiraneli [1.4K]

Answer:

Pressure=3.91atm

Explanation:

As given in the question that gas is ideal so

we can use Ideal gas equation

PV=nRT

volume of gas is not given directly but volume of container is given and we know gas takes the volume in which they are kept.

therefore  mole remains contant

P1=2.5 atm

V1=2L

T1=320K

P1=?

V1=1L

T1=250K

2.5\times 2V=nR \times 320..............(1)

P\times V=nR \times 250................(2)

eqn2/eqn1

\frac{P}{2.5} \times \frac{1}{2} =\frac{250}{320}

Pressure=3.91atm

7 0
3 years ago
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