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
AnnyKZ [126]
4 years ago
11

Which sentence best describes how scientists plan out their experiments?

Chemistry
2 answers:
malfutka [58]4 years ago
8 0

Answer:

D

Explanation:

elena55 [62]4 years ago
6 0
The answer is d you do you question
You might be interested in
How does the structure of water explain the physical and chemical properties of water?
TiliK225 [7]
The chemical composition of water is H2O – two hydrogen atoms and one oxygen atom. Water has special properties because of the way these atoms bond together to form a water molecule, and the way the molecules interact with each other. ... Water's polarity allows it to dissolve other polar substances very easily.
8 0
3 years ago
Please help, need answer
defon

I would say the first three. But I'm not 100% sure. I'm truly sorry if it's wrong

8 0
3 years ago
Which Element is a member of the Alkali Metal Family?
Rainbow [258]

Answer:

the answer is Sodium (Na)

4 0
4 years ago
(07.01 LC)
soldier1979 [14.2K]

Answer:

Heat is released.

Explanation:

Exothermic reactions are reactions that give off radiant heat when you come in close contact with them.

7 0
3 years ago
Read 2 more answers
A certain atom contains 53 protons, 66 neutrons, and 51 electrons. What is the mass number of this atom?
xeze [42]

Answer:

The mass number of an element is the sum of protons and neutrons.

Hence, 53+66 =119

The mass number of the atom is 119.

3 0
3 years ago
Other questions:
  • The average C - H bond energy in CH4 is 415 kJ / mol. Use the following data to calculate the average C - H bond energy in ethan
    14·1 answer
  • The reduction of 3-pentanone with hydrogen in the presence of a nickel catalyst will yield The reduction of 3-pentanone with hyd
    11·1 answer
  • Salt is dissolved in a flask of tap water. Distilling the mixture causes the salt to separate from the water. Which type of ener
    15·2 answers
  • How do scientists use the Doppler affect to understand the universe?
    10·1 answer
  • What is copper(ii)oxide + nitric acid
    11·2 answers
  • Indicate the type of hybridization for each atom of propenoic acid
    9·1 answer
  • Specific heat is defined as the amount of heat in what
    12·2 answers
  • How do you write an Assignment / Present it in a professional way I just need a few pointers that's all any suggestions would he
    10·1 answer
  • I need help ASAP!!!!!!!!
    9·2 answers
  • Alpha decay produces what type of particle?
    5·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!