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Ksenya-84 [330]
3 years ago
9

CHEMISTRY PLEASE HELP!!!???

Chemistry
1 answer:
Montano1993 [528]3 years ago
5 0

1. Solids

- definite volume & shape

- little energy

-vibrate in place

- very incompressible


2. Liquids

- held together yet can still flow

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Svetlanka [38]

Answer:

(1) 4- ethyl -6 methyl -2 octyne

5 0
3 years ago
A gas has a pressure of 0.12 atm at 294 K. What is the new pressure at 273 K?​
seropon [69]

Answer:

P₂ = 0.11 atm

Explanation:

Given data:

Initial pressure = 0.12 atm

Initial temperature = 294 K

Final pressure = ?

Final temperature = 273 K

Solution:

According to Gay-Lussac Law,

The pressure of given amount of a gas is directly proportional to its temperature at constant volume and number of moles.

Mathematical relationship:

P₁/T₁ = P₂/T₂

Now we will put the values in formula:

0.12 atm / 294 K = P₂/273 K

P₂ = 0.12 atm × 273 K / 294 K

P₂ = 32.76 atm. K /294 K

P₂ = 0.11 atm

5 0
3 years ago
Is the two halogens are attcehedto carbon ajecent​
stepladder [879]

Answer:

please give me brainlist and follow

Explanation:

They can be divided into two types: Geminal dihalides- When the halogen atoms are placed on the same carbon atom. Vicinal dihalides- When the halogen atoms are placed on the adjacent carbon atoms.

8 0
3 years ago
An Erlenmeyer flask contains 25.00 mL of 0.500 M HCl before a titration is begun. How many moles of hydrogen ions are present in
Sliva [168]

Answer:

0.0125 mol.

Explanation:

<em>Molarity of a solution is the no. of moles of a solute per 1.0 L of the solution.</em>

<em></em>

M of HCl = 0.5 mol/L.

V = 25.0 mL = 0.025 L.

<em>∴ no. of moles of HCl present in the flask at this time = MV</em> = (0.5 mol/L)(0.025 L) = <em>0.0125 mol.</em>

6 0
3 years ago
An ion with a net charge of 2+ loses 5 electrons. What is its charge?
ahrayia [7]

Answer:

+7

Explanation:

It will become MORE positive   to  + 7

8 0
2 years ago
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