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
Alecsey [184]
3 years ago
12

Please help i need to do good in this test

Chemistry
1 answer:
Reptile [31]3 years ago
3 0
I’m sorry but could you type the questions out? I can’t really see the question
You might be interested in
4. (10 Points) Write a single replacement reaction where one of the reactants is
lesya [120]

Answer:

For each balanced reaction, indicate the total number of atoms in the table below. Reaction. Total Number of Atoms. Reactant Side 1 Product Side. (Left).

Explanation:

3 0
3 years ago
Why do scientists repeat the experiment that lead to a scientific theory
Genrish500 [490]

Explanation:

Having a large sample size in the experiment: This helps to account for any small differences among the test subjects that may provide unexpected results. Repeating experimental trials multiple times: Errors may result from slight differences in test subjects, or mistakes in methodology or data collection...

8 0
3 years ago
What is the five spheres?❤️❤️
Taya2010 [7]
The Lithosphere ("rock sphere") is the ground you are standing on and the whole inside of Earth.

The Hydrosphere ("water sphere") includes all of the rivers, lakes and oceans of Earth.

The Cryosphere ("icy cold sphere") is the frozen part of Earth: the glaciers, icebergs at sea, and the huge icecaps in Greenland and Antarctica.

The Biosphere ("Life sphere") includes all living things: the trees in the park, the birds in the air, the fly on your wall, the viruses that make you sick, your pets, and even you and all your friends!

The Atmosphere ("Air Sphere") is the envelope of air that surrounds the whole Earth.

The Exo- or Celestial Sphere ("Outside or heavenly sphere") includes the whole universe beyond the top of the atmosphere--the Sun, Moon, and stars, as well as the asteroids and the little bits of dust that make meteors when they hit the atmosphere.
5 0
3 years ago
All atoms of a given element have the same number of____
maksim [4K]
<h3>Answer:</h3>

Protons

<h3>Explanation:</h3>
  • An atom is the smallest particle of an element that can take part in a chemical reaction.
  • All atoms of the same element are similar in that they have the same number of protons.
  • Atoms of the same elements may have a different number of electrons or neutrons but will always have the same number of protons.
  • Atoms of the same elements with a different number of neutrons are known as isotopes.
  • When neutral atoms gain or lose electron(s) they form charged atoms known as ions.
3 0
4 years ago
Match the separation techniques with the correct descriptions.
nordsb [41]

Answer:

Explanation:

1 = A

Sublimation is the process where by a sample is heated to pass through solid phase to gaseous phase without the intermittent liquid phase. Example of substance that sublime is camphor.

2 = D

Decantantion

5 = F

Filtration is the process a liquid from solid using a porous material. This technique requires a set up and a good porous material eg filter paper.

6 = B

This technique is to separate a mixture of solids by converting them from solid phase to gaseous phase since they sublime.

3 = deposition.

The answer isn't in the option but deposition is the process of substance in gaseous phase to change into solid state without passing through liquid phase. Deposition is the opposite of sublimation.

4 = E

4 0
3 years ago
Other questions:
  • How many covalent bonds are predicted for each atom: (a) F; (b) Si; (c) Br; (d) O; (e) P; (f) S?
    14·2 answers
  • Write the empirical formula for C6H6
    14·2 answers
  • An 8.4 g ice cube is placed into 260 g of water. Calculate the temperature change in the water upon the complete melting of the
    7·1 answer
  • In the formula XSO4 the symbol X could represent the element
    5·1 answer
  • The amount of heat energy that a sample has depends on:
    6·1 answer
  • What are some energy forms that are related to a radiant sun
    6·2 answers
  • 4. Which should be done after a volcanic eruption?
    5·1 answer
  • Correct name for PtO.
    8·2 answers
  • A gas mixture contains 1.52 atm of Ne, 766 mmHg of He and Ar. What is the partial pressure, in atmospheres, of At if the gas mix
    5·1 answer
  • An atom has 6 electrons in its outer orbit. It will most likely form an ion with a charge of:
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!