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
Lesechka [4]
3 years ago
9

What all indicates a CHEMICAL change? *

Chemistry
1 answer:
myrzilka [38]3 years ago
6 0

one substance becomes two new substances

You might be interested in
Which of the compounds h2c2o4, ca(oh2, koh, and hi, behave as bases when they are dissolved in water?
Galina-37 [17]
H2C2O4, also written as (COOH)2, is Ethandioic acid, and, as evident by the name, is an acid, and not a base
Ca(OH)2 and KOH, Calcium Hydroxide and Potassium Hydroxide, respectively, are bases when dissolved in water, as they are able to release OH- ions.
Hydrogen Iodide, HI, when dissolved in water, is a strong acid. So, that is also not a base.
6 0
3 years ago
Read 2 more answers
Proteins are large molecules. They enter a cell through
Lady bird [3.3K]

The answer is; active transport


This means that energy is expended in the process. Because large protein cannot be transported through protein channels in the plasma membrane for being too big, they are transported through endocytosis. This means a vesicle merges with the plasma membrane and forms an invagination that engulfs the protein. The vesicle then encloses with the protein inside and moves into the cell.


7 0
3 years ago
Calcium must lose two electrons to get a full outer shell. what is the name of the group to which calcium belongs
11111nata11111 [884]
The answer to this question would be: alkaline earth metal

Alkali earth metal is the second column group of the periodic table. In this group, the element has 2 extra electrons in their outer cells. That is why most of this metal has 2+ charge.
Their neighbor is the alkali metal which was the first column of the periodic table. The name is similar so don't confused and mix them each other.
4 0
3 years ago
Can any of you guys help me with this. Can y’all give me some facts about nucleus protons netrons and electrons :)
Mumz [18]

Answer:

the nucleus is the center of the atom, made up of protons and neutrons, without the nucleus you'd just have a bunch of electrons floating around; the nucleus is positively charged

protons are the positively charged particles that sit within the nucleus

neutrons are particles of no charge that sit within the nucleus, and because they have no charge, they do not cancel out the positive charge of the protons, making the nucleus positive

electrons are negatively charged particles that float around the nucleus in an area known as the electron cloud, they orbit around the nucleus because they are attracted to the positive charge of the nucleus (caused by the protons), with charges, opposites attract

Explanation:

4 0
3 years ago
Identify and explain the functions of each numbered plant organ in the diagram
Vaselesa [24]

Answer:

1. Flower

- contain the sexual organs of the plant

- attract insect for pollination

- produce fruit carries the seed during fertilization.

2. Leaf

- capture sunlight for photosynthesis

- responsible to make food

- evaporate water molecules

- movement of oxygen and carbon dioxide in and out to plant

3. Stem

- transport water and nutrients from root to leaves.

- support leaves and branches

- in some plants are photosynthetic

4. Root

-provide support by anchoring the plant

- absorb water and nutrients for growth

- store sugars and carbohydrates to perform other functions

8 0
3 years ago
Other questions:
  • Which statement is true for a cooling curve?
    9·2 answers
  • Choose the weakest acid?. 1. H2Se, H2O, H2Te, or H2S. 2. H2SeO4, H2SeO3, H2SO3, or H2SO4. 3. HClO3, H2Se, HBr, HNO4
    6·1 answer
  • The molar masses of three gases, A, B, and C, are 4 grams, 16 grams, and 32 grams respectively. Which sentence represents the ef
    9·2 answers
  • 11. Is the following sentence true or false? Geologists have identified about 300<br>minerals. *​
    6·1 answer
  • If the potato solution was boiled for 10 minutes and cooled for 10 minutes before being tested, the average time for the disks t
    11·1 answer
  • If I have 15.40mL of 1.4M HBr(aq) and add 22.10mL KOH what is the molarity of<br>KOH being used?​
    12·1 answer
  • Express the answers to these problems in the correct number of
    10·1 answer
  • How is filtration done?<br> What is the difference between residue and filtrate?
    10·1 answer
  • Convert 200 grams of silver (Ag) to mols of silver (Ag)
    14·1 answer
  • If n=7 and l=6, What are the values of l?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!