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
natka813 [3]
3 years ago
8

How many independent variables can you have in an experiment for it to be valid?

Chemistry
1 answer:
Lemur [1.5K]3 years ago
3 0

Answer:

There are often not more than one or two independent variables tested in an experiment.

You might be interested in
you record the sea temperature at 12 degrees North 45 degrees West to be 27.5 degrees Celcius the humidity to be very high and a
Cerrena [4.2K]
 For a hurricane to form, the sea temperature must be at least 26.7. The temperature of the water in the problem is 27.5. 
Another condition is that there should be little wind in the area. The problem states that there is a very light breeze. Finally, the humidity must be high.
Therefore, it is expected that a hurricane will form at the given location.
4 0
3 years ago
I need help
Liono4ka [1.6K]

Answer:

d and e - Sodium and antimony

Explanation:

The atomic numbers remain the same, while the mass numbers change (because neutrons are being added or taken away).

sodium has an atomic number of 19 and a mass number of 39 - in d, it has an atomic number of 19 but a mass number of 40. therefore, it is an isotope

antimony has an atomic number of 51 and a mass number of 121.60 - in e, it has an atomic number of 51, but a mass number of 123. therefore, it is an isotope

6 0
3 years ago
6. Menthol is a member of the terpene family of natural products. It exists in a (1R, 2S, 5R) form and a (IS, 2R, 5S) form. Are
Usimov [2.4K]
Here ya go if you need the link we’re I found this answer key https://studylib.net/doc/8708211/exam-2---chemistry

5 0
3 years ago
Which one of these elements is an alkaline earth metal
In-s [12.5K]
The answer to this problem is Beryllium is an alkaline earth metal.
7 0
3 years ago
Billy the friendly Robot uses 50 N of force to lift a box 2 meters in the air. How much work did Billy perform?
nexus9112 [7]

Answer:

Work done, W = 100 J

Explanation:

We have, Billy the friendly Robot uses 50 N of force to lift a box 2 meters in the air.

It is required to find the work done by Billy.

Work done by an object is given in terms of force and displacement. The formula used to find the work done is given by :

W=Fd\\\\W=50\ N\times 2\ m\\\\W=100\ J

So, the work performed by Billy is 100 J.

4 0
3 years ago
Other questions:
  • The Haber process is used to make ammonia, which is an important source of nitrogen that can be metabolized by plants. Using the
    12·1 answer
  • Which of the following is an example of convection?
    15·1 answer
  • Poisonous carbon monoxide can be produced by furnaces in basements if the combustion and exhaust are not complete. Calculate the
    11·1 answer
  • A salt dissolved in water forms _____.
    9·2 answers
  • which one of the following statements about sodium chloride is incorrect a) within the crystal, each sodium ion is surrounded by
    12·1 answer
  • What is the wavelength of light emitted between the 3 rd and 1 st energy levels? 121.5 nm 94.5 nm 102.5 nm 1875 nm
    5·1 answer
  • Describe what happens to the particles when a substance:
    10·2 answers
  • How long does it take for a life saver hard candy in hot water to dissolve
    5·1 answer
  • Which substance is most likely to dissolve in greater quantities in cold water? (1 point)
    10·1 answer
  • 1. What is the density, in g/cm², of a substance weighing 22.2 cg with dimensions of 0.333
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!