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mamaluj [8]
3 years ago
6

How many atoms are in 3.63 mol CH2Cl2?

Chemistry
1 answer:
stira [4]3 years ago
8 0
308 I think? Idek tbh because I hated chemistry
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What is the half life of this element?<br> A. 80 days B. 40 days C. 5 days D. 10 days
masha68 [24]

Answer:

c. 5days

Explanation:

there is no question but if it's a graph

the answer is 5days

4 0
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What is the wavelength of radio waves? Which statement is true for a cooling curve? A. It shows how the temperature of the subst
ladessa [460]

Answer:

Most radio waves have wavelengths between 1 mm and 100 km.

A cooling curve shows A. how the temperature of a substance falls as heat is removed.

Explanation:

<em>Radio waves</em> are the longest of all the waves in the electromagnetic spectrum.

Most have wavelengths between 1 mm and 100 km, although there is no upper limit.

Some radio waves have wavelengths of 10 000 km.

A <em>cooling curve</em> (see image below) shows how the temperature of a substance falls as it is cooled.

In Option E., a decrease in temperature would cause an energy <em>loss</em>.

Options B., C., and D. involve the <em>addition of heat</em>.

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3 years ago
Ca(OH)2 + HCl CaCl2 + H2O Choose the acidic and basic radical a) H,O b) Ca,H c) Cl,O d) Ca,Cl​
Snowcat [4.5K]

Answer:

Answer is Option A

Explanation:

it's the correct answer

5 0
3 years ago
Using two different instruments I measured the length of my foot to be 27 centimeters and 27.00 centimeters. Explain the differe
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Answer:

As you used two diferent instruments, one is more sensitive than the other.

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The sensitivity of an instrument is the minimum amount of magnitude that can be  differentiate a measurement system.

In method A, you got 27 cm, so if in method B, you got 27.00, method B is more sensitive. It's like saying that one system measures more than the other

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2 years ago
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