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
alexandr1967 [171]
3 years ago
8

If 0.250 L of a gas weighs 0.308 g under normal conditions of pressure and temperature, what is its molecular weight?

Physics
1 answer:
Phantasy [73]3 years ago
8 0

Answer:

=28

Explanation:

.25/22=0,11 mol

0.308/0,11=28

You might be interested in
How does temperature,barometric pressure,humidity,wind speed and direction, and precipitation determine the weather in a particu
Deffense [45]
Temperature is how hot or cold something is,barometric is air pressure(when the pressures high,the weather is dry)humidity is how moist the air is and how many water particles are there, wind speed and direction is how the hot and cold air is moving and how fast,which makes wind (high to low, hot to cold) precipitation is how much it is raining at that point.
7 0
3 years ago
Cells that remain as sources of other cells are called
inna [77]
They are called stem cells. This cells are undifferentiated which means it can specialize in other types when it receives the right stimuli. They can divide through mitoses and become more stem cell or become a bone, muscle, blood cell, etc.

They can have 2 origins: embryos or some human tissue; their function is to regenerate or substitute damaged cells
8 0
3 years ago
According to the photon energy formula, tripling the frequency of the radiation from a monochromatic source will change the ener
Harrizon [31]

Answer:

By a factor of 3

Explanation:

In the photon energy formula , frequency and the energy content have a direct relationship. This means anything that is done to one of the parameters is the same that will be done to the other to have a balance.

In this equation: Energy=plank’s constant * frequency.

Energy is directly proportional to frequency.

3 0
3 years ago
Read 2 more answers
Aspect ratio is the ratio of images width to its height. a photograph is 17.5 cm wide by 14 cm high what is the aspect ratio in
Svet_ta [14]

Try 5:4 and see if it is correct

5 0
3 years ago
How much heat is needed to raise the temperature of 10g of water by 16°C?
Nina [5.8K]

26°F

.............................................................

5 0
3 years ago
Other questions:
  • When a wire with a current is placed in a magnetic field,
    7·1 answer
  • In the development of atomic models, it was realized that the atom is mostly empty. Consider a model for the hydrogen atom where
    8·1 answer
  • What is the equivalent resistance between points A and B?
    6·1 answer
  • LW Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, defined as the volume of wat
    12·1 answer
  • When an electric current flows through a long conductor, each free electron moves
    14·2 answers
  • I need answers and solvings to these questions​
    15·1 answer
  • michelle withdrew 120$ from her bank account. she now has 3345$ in her account qrite and solve an equation to find how much mone
    7·2 answers
  • A person uses their hand to lift a 0.05-kg guniea pig from the ground at a constand speed.What is the force applied by the perso
    9·1 answer
  • A car goes from a speed of 10m/s to 30m/s over 4s. If the car has a mass of 1000kg, How strong is the force pushing the car forw
    5·1 answer
  • How can we use radioactive sources?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!