charlie52
charlie52
15-05-2016
Chemistry
contestada
Calculate 139 centimeters cubed argon at STP
Respuesta :
Willchemistry
Willchemistry
16-05-2016
Volume in liters:
139 cm³ / 1000 = 0.139 L
molar mass Argon = 39.95 g/mol
1 mole -------- 22.4 L ( at STP )
? mole ------- 0.139 L
moles of argon :
0.139 * 1 / 22.4 = 0.00620 moles
Mass of argon :
0.00620 * 39.95 =
0.24769 g
hope this helps!
Answer Link
VER TODAS LAS RESPUESTAS ( 71+ )
Otras preguntas
What volume of 0.0250 m calcium hydroxide is required to neutralize 33.50 ml of 0.0200 m nitric acid?
On a floor plan drawn at a scale of 1:100, the area of a rectangular room is 30 c. what is the actual area of the room?
Please help ASAP! Which term was used to describe Hitler's plan to exterminate the Jews in Europe, including placing them in concentration camps where millions
help me with #2 parts a,b, and c
Upon balancing the equation below, how many moles of sodium cyanide are needed to react completely with 3.6 moles of sulfuric acid? H2SO4 + NaCN yields HCN +
How do you prevent unauthorized personnel from accessing your cisco device through the console port?
Which answer provides the correct name for the following hydrocarbon? Moving left to right: A hydrocarbon chain made of a methyl group (CH subscript three) si
Please help me with this I need help please!!!!!!!!!!!!!
A substance has a volume of 10.0 cm3 and a mass of 89 grams. What is its density?
kelvin to fahrenheit f= 9/5(k-273.15) +32
