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
finlep [7]
2 years ago
15

In an investigation, explain the best way to use variables in an experiment

Chemistry
1 answer:
vazorg [7]2 years ago
6 0

Answer:

An experiment is an investigation in which a hypothesis is scientifically tested. In an experiment, an independent variable (the cause) is manipulated and the dependent variable (the effect) is measured; any extraneous variables are controlled. An advantage is that experiments should be objective.

Explanation:

You might be interested in
A glass column is filled with mercury and inverted in a pool of mercury. The mercury column stabilizes at a height of 729 mm abo
harkovskaia [24]

The atmospheric pressure will be:

The pressure of the atmosphere resulting from the mercury column is 0.959 atm

What is atmospheric pressure?

The force that an object experiences from the weight of the air above it per unit area are known as atmospheric pressure.

Given: Height of mercury column = 729 mm Hg

To find: The pressure of the atmosphere

Calculation:

The atmospheric column resulting from the mercury column is calculated as follows:

1 atm =760 mm Hg

So, we can convert the 729 mm Hg to atm, and we get

Atmospheric pressure = 729 x 1 atm / 760 = 0.959 atm

Learn more about atmospheric pressure here,

brainly.com/question/14315894

#SPJ4

5 0
2 years ago
How many liters of dinitrogen tetoxide are formed from 2.5 L of nitrogen?
Black_prince [1.1K]

Answer:

2.5 L

Explanation:

The stoichiometric ratio of N2 to N2O4 is 1:1

7 0
3 years ago
Answer on both of them please
aliya0001 [1]
1. Intensive.

2. Physical. 

Hope this helps. :)
3 0
3 years ago
Metallic copper is formed when aluminum reacts with copper(II) sulfate according to the
katovenus [111]

Answer: Given the equation for reaction is

2 A l +C u S O 4 → A l 2 ( S O 4 ) 3 + 3 C u .

Explanation:

3 0
2 years ago
NASA communicates with the Space Shuttle and International Space Station using Ku-band microwave radio. Suppose NASA transmits a
Tanya [424]

Answer:

A = 0.023 m

Explanation:

The relation between the frequency of a radiation and its wavelength is given by the following expression.

where,

c is the speed of light (it has a constant value of 3.00 x 108 m/s)

A is the wavelength of the radiation v is the frequency of the radiation

In this case, the frequency is 13 GHz = 13 x

10° Hz = 13 x 1o° s-

The wavelength associated with this frequency is:

A = c/v = (3.00 x 10° m/s)/(13 x 10° s-") = 0.023

8 0
3 years ago
Other questions:
  • Which type of radiation particle, emitted from a nuclear reaction, is most similar to a helium nucleus?
    7·2 answers
  • Which is more dense a pound of rice or a pond of cement
    8·1 answer
  • The number of protons in an atom is defined by it's
    8·1 answer
  • HELP with these 2 questions asap
    14·2 answers
  • The combination of oxygen with other substances to produce new chemical products is called
    15·1 answer
  • Hellpppppoppopppppppp
    14·2 answers
  • How many moles of oxygen would it takie to produce 8 moles of carbon dioxide?​
    14·2 answers
  • Which action is a change in state
    7·1 answer
  • Please help it’s due by midnight I’ll mark you brainiest if you’re able to help
    14·1 answer
  • A diver's tank contains helium at 924 psi,
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!