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scoundrel [369]
3 years ago
10

How many planets are in the solar system?

Chemistry
2 answers:
Gnesinka [82]3 years ago
7 0
Is  planets in the Solar System !!!
good luck
qaws [65]3 years ago
5 0
There a 9 planets in the solar system.
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How can room things in a house save energy? List at least 5 ways in which you can save heat energy. Explain how each one can sav
pychu [463]

Answer:

brainly

Explanation:

Adjust your day-to-day behaviors.

Replace your light bulbs.

Use smart power strips.

Install a programmable or smart thermostat.

Purchase energy efficient appliances.

3 0
2 years ago
If you have a density of 100 kg/L and a mass of 1000 g what is the volume (please explain)
olchik [2.2K]

Answer:  Volume =  0.01L

Explanation:

The density of a substance is given by; Density =  Mass / Volume.

In this question, Mass = 1000g, Volume = ? and Density = 100 Kg/L

For the units to be uniform, we convert 1000g to Kg = 1Kg

Therefore, Volume = Mass / Density =  1Kg / 100Kg/L = 0.01L

                     

6 0
3 years ago
The use of phenol (carbolic acid) as a wound disinfectant was first practiced by:
uranmaximum [27]

Answer:

The use of phenol (carbolic acid) as a wound disinfectant was first practiced by Lister. The correct option is E

Explanation:

Phenol( carbolic acid) is an aromatic organic compound. It has the following properties:

- it's soluble in water

- it's a weak acid and

- highly reactive toward electrophilic aromatic substitution

In Medical field, phenol was first used as an antiseptic by Joseph Lister.Joseph Lister was a student at University College London under Robert Liston, later rising to the rank of Surgeon at Glasgow Royal Infirmary. He believed that patients who passed through surgery, died due to infections caused by microorganisms.He theorized that if germs could be killed or prevented, no infection would occur. Lister reasoned that a chemical could be used to destroy the micro-organisms that cause infection. He made use of the carbolic acid by soaking a clean cloth in them, and placing it over the surgical wounds of patients.

8 0
3 years ago
What do these two changes have in common? Shaking up salad dressing. Adding dish soap to water in a sink
Ghella [55]
I think it’s a maybe hope this helps
4 0
3 years ago
A sample of gas starts at 1.00 atm, 0.00 degrees Celsius, and 30.0 mL. What is the
lara31 [8.8K]

Answer:

pV= nRT

Explanation:

(p1 × V1)/ T1/ (p2 × V2)/ T2

4 0
2 years ago
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