1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anna [14]
3 years ago
8

Hydrogen gas has a density of 0.090 g/L, and at normal pressure and -1.72 °C one mole of it takes up 22.4 L.

Chemistry
1 answer:
aivan3 [116]3 years ago
6 0

<u>Answer:</u> The number of moles of given amount of hydrogen gas is x=\frac{900.0g}{2g/mol}

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}

We are given:

Let the number of moles of hydrogen gas be 'x'

Given mass of hydrogen gas = 900.0 g

Molar mass of hydrogen gas = 2 g/mol

Putting values in above equation, we get:

x=\frac{900.0g}{2g/mol}=450mol

Hence, the number of moles of given amount of hydrogen gas is x=\frac{900.0g}{2g/mol}

You might be interested in
What five elements make up 99% of living things
MA_775_DIABLO [31]

Answer:

oxygen, carbon, hydrogen, nitrogen, and sulfur

Explanation:

4 0
3 years ago
Rank these compounds by highest boiling point to lowest boiling point? Pentane, neopentane, isopentane
PilotLPTM [1.2K]
<span>Pentane has a boiling point of 36.1 C, while isopentane boils at 27.7C. Neopentane has the lowest boiling point at 9.5 C. Therefore from highest to lowest boiling points, it is pentane, isopentane, and neopentane.</span>
4 0
3 years ago
When convex mirrors are used for security purposes, the images they form
konstantin123 [22]

Answer:false

Explanation:

3 0
3 years ago
The rate at which an electrical device converts energy from one form to another is called what
zlopas [31]
It is called a watt and or wattage
7 0
3 years ago
PLEASE ANWSER THIS!!
Drupady [299]

Answer:

A. because there both high pitched voice and low pitched ( girls have sweet, shrill ,high pitched good voice ) where as boys have horase ,low pitched medium voice )

7 0
3 years ago
Read 2 more answers
Other questions:
  • Chemicals A and B react according to the equation A + B → C. How will the concentrations of each component of the reaction chang
    15·2 answers
  • What volume of 1.10 M SrCl2 is needed to prepare 525 mL of 5.00 mM SrCl2?
    8·1 answer
  • A triple covalent bond involves two atoms sharing three pairs of electrons. True or False
    9·1 answer
  • Tellurium is a silvery-white, brittle element. Its electrical conductivity varies, but I’m creases slightly with exposure to sun
    9·2 answers
  • Choose one food chain in the web. Name all of the organisms in that chain. Start with a producer and end with the top level cons
    7·1 answer
  • What is a transform boundary, and how does it affect the land?
    8·1 answer
  • Which is a starting material for cellular respiration?
    10·2 answers
  • If 2.5 moles of H2O are needed to be produced, how much H2 will be needed?
    10·1 answer
  • Why can't antibiotics be used on viruses?​
    11·1 answer
  • A scientist was in the field when he saw a mineral sample. He wanted to determine the relative hardness of the mineral, so he co
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!