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
Vesnalui [34]
2 years ago
14

015

Chemistry
1 answer:
kozerog [31]2 years ago
7 0

Answer:

Average of measurements = 20.97 cm

Explanation:

Given data:

Three measurements of pete's = 20.9 cm, 21.0 cm, 21.0 cm.

Average value of measurements = ?

Formula:

Average of measurements = sum of all measurements / Total number of measurements

Solution:

Average of measurements =  20.9 cm + 21.0 cm + 21.0 cm. / 3

Average of measurements = 62.9 cm / 3

Average of measurements = 20.97 cm

You might be interested in
Solutions that have more h than oh- ions are
mestny [16]
They are Acids

when acids are in water they dissociate and release H+ ions into the water

while bases release OH- ions

hope that helps 
5 0
2 years ago
Read 2 more answers
How do alpha particles compare to gamma rays?
Fofino [41]

Answer:

Unlike alpha and beta particles, which have both energy and mass, gamma rays are pure energy. Gamma rays are similar to visible light, but have much higher energy. Gamma rays are often emitted along with alpha or beta particles during radioactive decay.

-Radiation basics.

Explanation:

5 0
3 years ago
Read 2 more answers
The correct formula for sodium oxide is?
kifflom [539]
Its Na20
the formula for sodium oxide
4 0
3 years ago
Three products of destructive distillation of coal <br>please answer quickly ​
muminat

Answer:

the three products of destructive distillation of coal are:-

1. coal gas

2. coke

3. ammonia liquor

7 0
3 years ago
Read 2 more answers
A student drank a bottle of water during a car ride up a mountain. At the top of the mountain, the student capped the plastic bo
vichka [17]

Answer:

It might cave in on itself or collapse because of the change in pressure.

8 0
3 years ago
Other questions:
  • Apply the VSEPR theory to find the bond angle between the atoms in carbon tetrafluoride (CF4).
    11·2 answers
  • if a bacterial culture produces 60.0 mL of methane gas at 700.0 mm Hg, what volume would be produced at 760.0 mmHg
    8·1 answer
  • A 1.0857 gram pure sample of a compound containing only carbon, hydrogen, and oxygen was burned in excess oxygen gas. 2.190 g of
    6·1 answer
  • Elements and molecules will always reemit the exact radiation that they
    7·1 answer
  • In the equation 3x-3=18 what is x?
    5·2 answers
  • A 1.87 mol sample of Ar gas is confined in a 45.5 liter container at 23.6 °C.
    13·1 answer
  • What is a membrane?
    5·1 answer
  • Covalent compounds..
    6·1 answer
  • Downwelling is the process that moves cold, dense water from the ocean surface to the sea floor near the polar regions. How can
    7·1 answer
  • Four students presented different analogies to describe the formation of an ionic bond.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!