vxdk9qxkhb vxdk9qxkhb

14-04-2021
Chemistry

contestada

One liter of helium gas has a mass of 2.3 grams at STP. True or false

Relax

Respuesta :

waveslife waveslife

23-05-2022

Answer:

n=V/Vm

n=1/22.4

n=0.044 moles He

m=n×M

m=0.044×4

m=0.178 g False

Answer Link

Otras preguntas

A student incorrectly simplifies an expression. The expression and work is shown below.-(-6)(-3) - 2/3 (22 - 7) 3/5Step 1: -(-6) (-3) - 2/3 (15)

i need help ASAP show your work

Consider the following: You have an investment of $5000 earning 3.05% p.a. for 2 years. The future value of the investment will be:

lege and in your chosen career. Part 1: Write a Letter/Email First, write a letter or email to your best friend telling about some of your successes and challen

Prokaryotic cells ________. (Choose all that apply.) Group of answer choices are always unicellular. make up animals and humans. are less complex. are very larg

How can self and social awareness help prepare you for automation, remote work, or changes in yoi8iur industry?

Phân tích tính đảm bảo bằng nhà nước của pháp luật

A man tries to break a metal box by throwing it off a building. If he throws straight down at 11.1 m/s and it hits the ground 3.9 seconds later, how tall was th

A box contains different-colored marbles. If P(blue) = P(green) = and P(blue and green) = whic statement is true? O The events are independent because P(blue) P

a skipping rope under constant vibration has a 5.0 cm amplitude and an 8.0 s period. What vertical position is the rope at when t = 5.0 s? b) Find two times whe