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Aliun [14]
3 years ago
12

Am I correct? Because I’m kinda in between answers

Chemistry
2 answers:
navik [9.2K]3 years ago
8 0

Answer:

yh you are correct. the pattern is correct! :)

choli [55]3 years ago
6 0

Answer:

Yep! :)

Explanation:

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How to go this problem
spin [16.1K]
Dccccccccccccccccccccccsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss
4 0
3 years ago
What are the uses of carbon dioxide
suter [353]

Answer:

Could you give brainliest btw here you go

Explanation:

Uses of Carbon in daily life

It makes up for 18% of the human body. Sugar, glucose, proteins etc are all made of it. ...

Carbon in its diamond form is used in jewellery. ...

Amorphous carbon is used to make inks and paints. ...

Graphite is used as the lead in your pencils. ...

One of the most important uses is carbon dating.

a refrigerant, in fire extinguishers,

for inflating life rafts and life jackets,

blasting coal,

foaming rubber and plastics,

promoting the growth of plants in greenhouses,

immobilizing animals before slaughter, and in carbonated beverages.

7 0
3 years ago
What is the average yearly rate of change of carbon-14 during the first 5000 years?
erica [24]

Answer:

The average yearly rate of change of carbon-14 during the first 5000 years = 0.0004538 grams per year

Explanation:

Given that the mass of the carbon 14 at the start = 5 gram

At the end of 5,000 years we will have;

A = A_0 \times e^{-\lambda \times t}

Where

A = The amount of carbon 14 left

A₀ = The starting amount of carbon 14

e = Constant = 2.71828

T_{1/2} = The half life

\lambda = 0.693/T_{1/2}

t = The time elapsed = 5000 years

λ = 0.693/T_{1/2} = 0.693/5730 = 0.0001209424

Therefore;

A = 5 × e^(-0.0001209424×5000) = 2.7312 grams

Therefore, the amount of carbon 14 decayed in the 5000 years is the difference in mass between the starting amount and the amount left

The amount of carbon 14 decayed = 5 - 2.7312 = 2.2688 grams

The average yearly rate of change of carbon-14 during the first 5000 years  is therefore;

2.2688 grams/(5000 years) = 0.0004538 grams per year

The average yearly rate of change of carbon-14 during the first 5000 years = 0.0004538 grams per year.

5 0
3 years ago
When the equation __H2O2 --> __H2O + __O2 Is completely balanced, the sum of all the coefficients will be A) 5 B) 8 C) 3 D) 4
kkurt [141]

Answer:

A)5

Explanation:

2H2O2 --> 2H2O + 1O2

2+2+1=5

sum=5

8 0
3 years ago
Lead(II) chromate, PbCrO4, is a yellow paint pigment (called chrome yellow) prepared by a precipitation reaction. In a preparati
Roman55 [17]

Answer:

n = 0.1624 moles

Explanation:

n=\frac{m}{M} \\n=\frac{52.5}{323.1937} \\n= 0.1624 mol

8 0
2 years ago
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