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MA_775_DIABLO [31]
2 years ago
6

Which phenomenon explained below is an example of deposition?

Chemistry
1 answer:
Delvig [45]2 years ago
8 0

Answer:

b

Explanation:

deposition is when water turns from gas to solid. b is the only one that fits

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What is the average atomic mass of the element?
morpeh [17]

The average atomic mass of element X is 14.007 u.

The average atomic mass of X is the <em>weighted average</em> of the atomic masses of its isotopes.

We multiply the atomic mass of each isotope by a number representing its <em>relative importance</em> (i.e., its % abundance).

Thus,  

0.996 36 × 14.003 u =13.952 03 u

0.003 64 × 15.000 u = <u>0.054 60 u</u>

__________TOTAL = 14.007     u

7 0
3 years ago
A solution was prepared by mixing 50.0 g
frez [133]

Answer:

4.78 %.

Explanation:

<em>mass percent is the ratio of the mass of the solute to the mass of the solution multiplied by 100.</em>

<em></em>

<em>mass % = (mass of solute/mass of solution) x 100.</em>

<em></em>

mass of MgSO₄ = 50.0 g,

mass of water = d.V = (0.997 g/mL)(1000.0 mL) = 997.0 g.

mass of the solution = mass of water + mass of MgSO₄ = 997.0 g + 50.0 g = 1047.0 g.

<em>∴ mass % = (mass of solute/mass of solution) x 100</em> = (50.0 g/1047.0 g) x 100 = <em>4.776 % ≅ 4.78 %.</em>

4 0
3 years ago
_______ is the classic structural formula for all the addictive narcotics
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The answer to this statement is codein. Codein, or 3-Methylmorphine by its IUPAC name, is an opiate used as pain reliever and suppressor of coughs. Its structural formula is shown in the picture. The patient's dosage of these narcotics should be strictly prescribed by the doctor. When patients take this, they feel euphoria, hence, they tend to crave for that feeling once it's gone. Too much dosage of this drug would lead to addiction. Examples of drugs with this structural formula are Cotabflu, Nalex AC, T-Koff and Pediatuss.

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3 years ago
Forrest spills some acid on the lab floor. He notifies his teacher and begins to look for baking soda to neturalize the acid on
gregori [183]
His classmates should be notified next
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3 years ago
Read 2 more answers
It’s a test and only need 2 more problems!!!! Thank you and Appreciate it!!!
Mkey [24]

Answer:

the molar mass of propane (c3H8) is

12*3+1*8

=36+8=44

3 0
3 years ago
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