A 0.50 L container at 305 K holds a 0.22 g sample
of carbon dioxide gas (CO2). Assuming ideal
gas behavior, what is the pressure, in kilopascals,
exerted by the gas?
A 23 kPa
B 25 kPa
C 41 kPa
D 67 kPa

Option B. 25 kPa

Explanation:

First, let us calculate the number of mole of CO2 in the container. This is illustrated below:

Molar Mass of CO2 = 12 + (2x16) = 12 + 32 = 44g/mol

Mass of CO2 = 0.22g

Number of mole of CO2 = 0.22/44 = 0.005mol

From the question, we obtained the following data:

V = 0.5L

T = 305K

R = 0.082atm.L/K /mol

n = 0.005mol

P =?

PV = nRT

P = nRT/V

P = (0.005x0.082x305)/0.5

P = 0.2501atm

Recall:

1atm = 101325Pa

0.2501atm = 0.2501 x 101325 = 25341.4Pa = 25341.4/ 1000 = 25KPa

answer: e.   sour taste

explanation: acids are those substances which dissociates in water to give ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. acids are sour in taste. example: hcl

bases are those substances which dissociates in water to give ions or accepts ions. as they dissociate to give ions, they act as electrolytes and thus are electrically conductive. bases are bitter in taste. bases are slippery in nature.

no podemos ver la

explanation:

no te podemos ayudar: /