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3 years ago

I really need help with this before 5:10

Chemistry

1 answer:

gtnhenbr [62]3 years ago

4 0

CAN YOU HELP ME ANWSER MINE ILL HELP YOU

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The element californium (cf) sells for $1000 per µg. assuming 6.02 x 1023 atoms of cf have a mass of 251 grams, how many atoms o

saveliy_v [14]

Answer:- $2.40*10^1^0atoms$

Solution:- It is a simple unit conversion problem. We could solve this using dimensional analysis.

We know that, 1 US dollar = 100 cents

1 cent = 1 US penny

So, 1 US dollar = 100 US pennies

$1g=10^6\mu g$

Let's make the set up starting with 1 penny as:

$1penny(\frac{$1}{100pennies})(\frac{1\mu g}{$1000})(\frac{1g}{10^6\mu g})(\frac{6.02*10^2^3atoms}{251g})$

= $2.40*10^1^0atoms$

Therefore, we can bye $2.40*10^1^0atoms$ of Cf in one US penny.

3 0

3 years ago

Which chemical formula corresponds to this structural formula?

lys-0071 [83]

I think the answer is choice D

8 0

3 years ago

Read 2 more answers

What is the compound name of O2CI4?

Dafna1 [17]

Answer:

Dioxide tetrachloride

Explanation:

Di meaning 2 as in o2 and tetra the Greek numerical for 4 attached to chlorine in a group it is Chloride.

6 0

2 years ago

Number of elments in hcooh

igomit [66]

3 elements are present in HCOOH - hydrogen, oxygen, and carbon.

7 0

3 years ago

Can someone help me? <br><br>-just check my latest question.. thanks...

Harman [31]

Explanation:

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3 years ago