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
lapo4ka [179]
3 years ago
9

State with reasons the most suitable methods for collecting hydrogen​

Chemistry
1 answer:
maxonik [38]3 years ago
7 0

Answer:

Upward delivery or downward displacement of air

Explanation:

The method of collection of a gas is dependent on it's density.

Gases that are less dense than air are collected by upward delivery or downward displacement of air while gases that are denser than air are collected by downward delivery or upward displacement of air.

Hydrogen is less dense than air hence it is collected by upward delivery or downward displacement of air.

You might be interested in
The rising and setting of the moon is mostly caused by?
Anna11 [10]
The moon orbiting around the earth. 
5 0
3 years ago
#1: The average velocities of gas molecules in cylinders A, B, C, and D are 20 m/s, 50 m/s, 60 m/s, and 100 m/s, respectively. T
d1i1m1o1n [39]
Cylinder D
temperature is the measurement of average kinetic energy of a sunstance. since cylinder D has the highest average velocity, it has the highest average kinetic energy among the 4 cylinders, thus cylinder D is the hottest.
8 0
2 years ago
The graph shows the changes in the phase of ice when it is heated.
kow [346]

Answer:

A) 0 °C, because it is the melting point of ice.

Explanation:

  • Point B is the temperature at which the water is converted from ice (solid phase) to liquid water (liquid phase), which is the melting transition of water.

Melting point of the water is at 0.0°C.

<em>So, the right choice is: A) 0 °C, because it is the melting point of ice. </em>

<em></em>

6 0
3 years ago
Read 2 more answers
Which statement accurately describes nonrenewable energy sources?
suter [353]

Answer:

a resource that cannot be replenished in a short period of time.

Explanation:

Nonrenewable energy sources take thousands to millions of years to replenish. hence the "nonrenewable".

5 0
3 years ago
What type of substance reacts with limestone (CaCO3) and produces carbon dioxide gas?
Anestetic [448]
Acids react with calcium carbonate and more specifically carbonate to form carbon dioxide. An acid will give protons to the carbonate anion to produce carbonic acid which then decomposes into carbon dioxide and water. I hope this helps. Let me know if anything is unclear.
3 0
3 years ago
Read 2 more answers
Other questions:
  • Did I get the answer correct, and could someone possibly explain?
    14·1 answer
  • Suppose you have an atom composed of 19 protons, 20 neutrons and 19 electrons. what is the mass of this atom?
    13·1 answer
  • When a neutrally charged atom loses an electron to another atom, the result is the creation of
    11·1 answer
  • 4. The woman's auxiliary at the Fire Company need to make 250 one pound pie crusts for a fund raiser. If
    5·1 answer
  • Question 3(1 point)
    6·1 answer
  • What is cells function of animal cell??<br>PLZ HELP ME ​
    9·1 answer
  • Please help me !!! im failing :(
    12·1 answer
  • How many mol of C3H8 are consumed when 3 mol of CO2 are produced ?
    10·1 answer
  • Describe the properties of a solid.<br>​
    9·1 answer
  • In 6 months time, the Earth will revolve to the other side of the sun. During the June Solstice, the most
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!