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ANEK [815]
2 years ago
11

For which of the following can a relative age be determined? Select all that apply.

Chemistry
1 answer:
Allushta [10]2 years ago
5 0

Answer: A. fossil

B. rock layer

Explanation:

Relative aging or dating can be define as the technique for determination of the age of the rock and fossil. It is a method of determining the chronological order of the past events by comparing the stratigraphic column of rocks and sediments with each other. This method can only give relative age of one object in comparison with the other but does not give the absolute date.  

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Write two half‑reactions to describe each of these metal displacement reactions. Include phase symbols.
spin [16.1K]

Mg (s) ---> Mg²⁺ (aq) + 2e

Co²⁺ (aq)  + 2e ---> Co(s)

Cu (s) ---> Cu²⁺ (aq) + 2e

Au²⁺ (aq)  + 2e ---> Au(s)

7 0
2 years ago
If you have 45.6mL of a liquid and its
tankabanditka [31]
The density of the liquid is 1.027g/cm³

D=M/V
D=46.83/45.6
D=1.027g/cm³
4 0
3 years ago
Please answer ................
nataly862011 [7]

Answer:

Explanation:

i. SO2

ii. Na2O

3 0
2 years ago
How many molecules of sulfur trioxide are in 78.0 grams?
zalisa [80]

Answer:

b) 5.87 E23 molecules

Explanation:

∴ mm SO3 = 80.066 g/mol

⇒ molecules SO3 = (78.0 g)(mol/80.066 g)(6.022 E23 molec/mol)

⇒ molec SO3 = 5.866 E23 molecules SO3

5 0
2 years ago
An unknown liquid has a mass of 30.8 g, and a volume of 31.5 mL. What is the density of this liquid?
julsineya [31]

The density of the liquid is 0.98 g/mL

<h3>What is density? </h3>

The density of a substance is defined as the mass of the subtance per unit volume of the substance. Mathematically, it can be expressed as:

Density = mass / volume

With the above formula, we can obtain the density of the liquid.

<h3>How to determine the density </h3>
  • Mass = 30.8 g
  • Volume = 31.5 mL
  • Density =?

Density = mass / volume

Density of liquid = 30.8 / 31.5

Density of liquid = 0.98 g/mL

Learn more about density:

brainly.com/question/952755

3 0
2 years ago
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