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Murrr4er [49]
3 years ago
12

What is the number of C moles in 1.20*10²⁴ atoms of C

Chemistry
1 answer:
lana66690 [7]3 years ago
5 0
Divide that number by Avogadro's number- 6.02 times 10^23
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The material the start all reactions are ______ and the materials that are formed are called _____.
max2010maxim [7]

Answer:

I think the second space is chemical bonds

7 0
3 years ago
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Force necessary to change an object's motion
igomit [66]
Yes force is necessary
8 0
3 years ago
How much volume (in cm^3)is gained by a person who gains 11.8 lb of our fat? Human fat has a density of 0.918 g/cm^3
Zinaida [17]

The volume (in cm³) gained by a person who gains 11.8 lb of fat is 5830.49 cm³

<h3>What is density? </h3>

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

Density = mass / volume

<h3>How to convert pounds to grams </h3>

1 lb = 453.592 g

Therefore,

11.8 lb = 11.8 × 453.592

11.8 lb = 5352.3856 g

<h3>How to determine the volume </h3>
  • Mass = 5352.3856 g
  • Density = 0.918 g/cm³
  • Volume =?

Volume =  mass / density

Volume =  5352.3856 / 0.918

Volume = 5830.49 cm³

Learn more about density:

brainly.com/question/952755

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3 0
2 years ago
A car traveling with constant speed travels 150km in 7200 s. What is the speed of the car
neonofarm [45]
75km/hr

A car traveling with constant speed travels 150km in 7200 s. What is the speed of the car
4 0
3 years ago
"the charcoal from a tree killed in the volcanic eruption that formed cedar lake in oregon contained 44.5% of the carbon-14 foun
nalin [4]
The half life of carbon-14 is 5700 years. (Half life is the time taken by a radioactive isotope to decay by half of its original mass). 
Let A₀ be the initial amount of carbon-14 that is found in living matter (t=0 years), to determine when there was 44.5% of A₀ left.
44.5 = 100 × (1/2)^n, where n is the number of half lives
0.5^n = 0.445
    n = log 0.445/log 0.5
    n = 1.168
But 1 half life is 5700 years
Therefore, the number of years will be 5700 × 1.168 = 6658.299725 years
≈ 6658.30 years

3 0
3 years ago
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