porcow20 porcow20

26-05-2021
Chemistry

contestada

What is the mass of 2.15 liters of N2 gas at STP?

Respuesta :

waltergenius waltergenius

26-05-2021

Explanation:

mole number =mass/molar mass

mass=mole number × molar mass

mass= (volume of gas/volume at stp)molar mass

mass=(2.15/22.4)28

mass=2.69g

pls give brainliest

Answer Link

Otras preguntas

3⋅f(−4)−3⋅g(−2)= -27

Select the function that's represented in the graph. Question 5 options: A) ƒ(x) = x2 – 3 B) ƒ(x) = –1∕2x2 – 3 C) ƒ(x) = –x2 – 3 D) ƒ(x) = 1∕2x2 – 3

A man withdrew some money from the bank. He gave 1/2 of it to his sons and 1/3 to his daughter. If he had $500.00 left, how much did he take from the bank?

There is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 2 9 . There are 45 marbles in total in the bag and e

If the two angles are complementary, find the measure of each of angle. I am having trouble decoding this problem in it it says 7f and 2f what is the formula fo

For each expression, write an equivalent expression that uses only addition. 4x−7y−5z+6

please need help I will be MARKING as BRIANILIST. thank you so much.

If a+b+c =0 show that a³+b³+c³= 3abc

PLEASE HELP! A farmer wanted to paint a shed out in his field. Here is the breakdown of the dimensions: the building is sitting on a square slab of cement that

Considering that so many died, was Magellan’s voyage a success? Why or why not?