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hammer [34]
3 years ago
8

The pressure in a container at 30 degrees celsius was 2.3 atm and had a volume of 2.2L, whatwould the volume be if the condition

s were changed to STP
Chemistry
1 answer:
Citrus2011 [14]3 years ago
3 0

For a fixed mass of gas we can use the combined gas law.

(P1V1)/T1 = (P2V2)/T2

where P1 is pressure , T1 is temperature and V1 is volume at the first instance

and P2 is standard pressure and T2 is standard temperature and V2 is the volume at STP conditions

temperatures at both instances should be in kelvin scale

T1  - 30 °C + 273.15 = 303.15 K

T2 - 273.15 K

substituting the values in the equation

(2.3 atm x 2.2 L) / 303.15 K = (1.0 atm x V2) / 273.15 K

V2 = 4.6 L

the volume at STP is 4.6 L

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There are several aromatic compounds with the formula c8h9cl. Draw those that have a monosubstituted ring.
anygoal [31]

Answer:

As shown in the attachment.

Explanation:

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Considering the hydrocarbon C8H10, which has 8C expected saturated hydrocarbon. however when there is an excess of 8H, we have C8H18 which is the formular of octane, a member of the alkane family and from monosubstitution reaction which involves reaction with halogens (particularly Chlorine), the reaction will be a repeated substitution reaction where chlorine will be replaced with each of the hydrogen.

8 0
4 years ago
Calculati volumul ocupat in conditii normale de temperatura si presiune de: a)14,2 kg Cl2; b)15,055×10²³ molecule Cl2 Va roggggg
Goshia [24]

Answer:

a) 4480L

b) 56L

Explanation:

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a) 14.2 kg of Cl2 in moles will be: 14.2 kg * (1000g/kg) / ( 71g/mol)=  200 mol

The volume of 200 mol of gas in NTP will be: 200 mol * 22.4L/mol= 4480L

b) every mol is made of 6.02 * 10²³ molecules. Then the volume of the gas will be: (15,055×10²³ molecule) / (6.02 * 10²³ molecules/mol) * 22.4 L/mol= 56L

3 0
4 years ago
Describe the structure and bonding in sodium chloride
klio [65]
Sodium chloride is made up of sodium and chlorine.
sodium chlorine would form an ionic bond, which is the transfer of electrons

because sodium is in group 1, it has 1 electron on its outermost shell
because chlorine is in group 7, it has 7 electrons on the outermost shell.

sodium and chlorine both want a full outer shell. therefore, sodium and chlorine will form an ionic bond, and sodium will transfer its one electron to chlorine so that it can lose its electron and get a full outer shell, and chlorine can gain an electron and also get a full outer shell. this can be represented using the dot and cross model. as shown in the picture.
but don't forget to add a 1- charge to chlorine with brackets and a 1+ charge to sodium, also with brackets.


hope this helped.. I know it became really long but I didn't really realise it once I was half way.. anyway, if you have any questions just ask :)

8 0
4 years ago
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