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
Neko [114]
3 years ago
13

AYUDENME A CONTESTAR ESTO

Chemistry
1 answer:
Zigmanuir [339]3 years ago
8 0

umm how do you begin answering that ??

You might be interested in
classify the materials based on their composition rock, clear liquids, peppercoms, concrete, salt, oxygen, birdseed, plant
USPshnik [31]

Answer:

1. rocks are composed of grains of minerals which are formed by the longest natural chemical reaction

2. clear liquids are mainly sugar and water . they are transparent food and mainly are beverages , ice , grains etc stuff

3. concrete is made up of basically three components . water , aggregate ( rock , sand and gravel ) and portland cement .

4. salt consist of NaCl it is made up of sodium and chloride it is also called rock or  halite salt

Explanation:

6 0
3 years ago
Why thre is no atmosphere in moom,?
goblinko [34]
The gravitational pull of the moon is not strong enough to attract a significant atmosphere.
3 0
3 years ago
Which of the following is not a type of mechanical wave?
Otrada [13]
Concave is not a type of mechanical wave because it doesn’t need a medium for propagation.
3 0
3 years ago
Read 2 more answers
Given the balanced equation what is the reaction ?
VMariaS [17]

This is a double replacement reaction; the ions switch twice.

3 0
4 years ago
Stable isotopes usually have a ____ number of protons and a ____ number of neutrons
Yuliya22 [10]
The number of protons is equal to their atomic number ever time.
For example: Carbon always has 6 protons
And the number of neutrons depends on whether it is Carbon 12 or 13 or 14 etc.
3 0
3 years ago
Other questions:
  • The flask contains 10.0mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.320 M NaOH. What is the init
    8·1 answer
  • Which equation is derived from the combined gas law?
    11·1 answer
  • Consider an atom that has an electron in an excited state. The electron falls to a lower energy level. What effect does that hav
    12·1 answer
  • Why should scientists perform experiments?
    8·2 answers
  • The following chemical equation is not balanced: CO2 + H2 CH4 + H2O When this chemical equation is correctly balanced, what is t
    15·2 answers
  • Which elements are found in all the stars
    6·2 answers
  • This atom has two neutral charged subatomic particles and two negatively charged subatomic particles. What is this atom?
    15·1 answer
  • Heat energy that is lost cannot usually be used to produce work.<br><br> True False
    10·1 answer
  • A sample of ideal gas at room temperature occupies a volume of 10.0 L at a pressure of 302 torr. If the pressure changes to 1510
    8·1 answer
  • Escribe la configuración electrónica de los elementos que poseen, ¿de qué elementos se trata?: 15 electrones 27 electrones 56 el
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!