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dedylja [7]
3 years ago
14

Who first published the classification of the elements that is the basis of our periodic table today

Chemistry
1 answer:
snow_tiger [21]3 years ago
7 0
<span>Mendeleev should be the answer</span>
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What are 3 Properties of Convalent electrons
yKpoI14uk [10]
Do not ionize in solutions
Poor conductors of electricity/heat
Low melting/boiling points
gases or liquids at room temperature
4 0
3 years ago
Which of the following compounds are polar: CH2Cl2, HBr?
Olegator [25]

<em><u>Answer</u></em><em><u> </u></em>: HBr polar

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8 0
3 years ago
What cause the ratio of PV/RT to drop below 1 when 1 mole of
pentagon [3]

Answer:

pressure and temperature are directly proportional.

Explanation:

At constant temperature and pressure the volume of a gas is directly proportional to the number of moles of gas. Also given a constant temperature and volume the pressure of a gas is directly proportional to the number of moles of gas.

This means that if V is constant then

P = n (RT/V) then n= PV/RT. As P is increased, T is also increased thereby decreasing the value of n since pressure and temperature are directly proportional.

6 0
3 years ago
Assume the following potential energies for a Newman projection: anti Me/H or anti Me/Me = 0 kcal/mole; eclipsed H/H = 4 kcal/mo
kap26 [50]

Answer:

0 kcal/mole

Explanation:

The most stable Newman projection corresponds to the minimum potential energy: Answer (e) 0 kcal/mole

4 0
3 years ago
compare the boiling point of water at sea leavel to the boiling point in denver (altitude = 1 mile) Explain
steposvetlana [31]

Answer:

boiling point decreases in denver

Explanation:

in higher places

theres less atmospheric pressure

it takes less energy to bring water to the boiling point.

Less energy means less heat

which means water will boil at a lower temperature

wonderopolisorg

6 0
2 years ago
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