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
harkovskaia [24]
3 years ago
5

6. What causes the phases of the moon?

Chemistry
1 answer:
lawyer [7]3 years ago
6 0

Answer:

The rotation of the Earth.

You might be interested in
What is the valency of aluminium and nitrate in Al (NO3)3​
VikaD [51]

Answer:

Aluminum loses three valence shell electrons to become the aluminum ion Al+3. Nitrate is a polyatomic ion with the formula NO3 -1.

6 0
3 years ago
Which angles form an adjacent pair?
Arisa [49]
I think the answer is A
3 0
3 years ago
Match the words to the definitions below.
puteri [66]

Answer:

Explanation:

1. Turns litmus paper blue, taste bitter, donate OH- ions, feel slippery, 8-14 on pH scale.

BASE

BASE: A base is a substance that reacts with water to yield excess hydroxide ions.

Some of its characteristics are:

>It has a bitter taste

>Their aqeuos solutions have a soapy feel

>They have a PH greater than 7

>They turn red litmus paper blue

>They are electrolytes

2. The amount of ions per an amount of solvent. Ex: 10g salt/100g water

CONCENTRATION

Concentration is the amount of solute that can be found in a solution.

3. A lab procedure to deliver a measured volume of solution, generally measured in ml.

TITRATION

Titration is a laboratory procedure that is used to determine the amount of solution that is needed to drive a reaction to completion. It involves adding a solution to a known volume of another solution.

4. A substance or solution that resists changes in pH by stabilizing hydrogen ion concentration.

BUFFER

A buffer is solution that is made up of weak acids and their salts or weak bases and their salts. Such solutions are able to resist changes in PH

5. Turns litmus paper red, taste sour, donate H+, corrode metals, 0-6 on pH scale.

ACID

An acid is a proton donor, hydrogen ions.

Characteristics:

>Acids turns blue litmus paper red, they have sour taste and easily corrodes metals.

>They have a PH value between 0-6 on the scale.

>They are generally electrolytes

6. Logarithmic scale to indicate the amount of hydrogen ions in solution.

PH SCALE

A PH scale is a logarithmic scale that runs from 1-14 and is used to indicate the amount of hydrogen ions in a solution.

7. A chemical (dye created from lichens) that changes color in response to changes in pH.

LITMUS PAPER

Litmus paper is made of dyes created from lichen and it changes its color as PH changes. Acids turns blue litmus paper red while bases changes the color of litmus to blue from red. Litmus test is a popular test for solutions.

8. Acids and bases are added proportionally and result in a chemical reaction that causes the pH of a solution to reach pH 7.

NEUTRALIZATION

Neutralization is the reaction of acids and bases to produce salts and water. The endpoint of neutralization reaction signifies the point at which equal number of bases neutralizes an acid. The PH is 7 at this point.

5 0
4 years ago
Why does the reactivity of metals increase from right to left on the periodic table? (1 point)
inysia [295]

Answer:

<em>Why does metal reactivity increase as you move from right to left on the periodic table? That is why as you go up a group Chemical Reactivity increases </em>

<h3><u>because it is easier for elements to gain electrons when they have high electronegativity.</u></h3>
6 0
2 years ago
Read 2 more answers
What would happen to the position of the equilibrium when the following
Nataly [62]
A because when it removes it shifts left
4 0
3 years ago
Read 2 more answers
Other questions:
  • When a molecule of nad+ gains a hydrogen atom, the molecule becomes reduced.
    14·1 answer
  • Give two reasons why quarrying is bad for the environment?
    7·1 answer
  • Suppose the filament in a super-powerful flashlight is heated up to 3600 K. What type of light would be given off by this filame
    13·2 answers
  • Byetta ( generic name is exenatide) 5mcg BID within 60 minutes AC
    11·1 answer
  • Change 5.20 moles of c3h6o2to grams
    14·1 answer
  • What process would farmers use to produce vegetables that will grow in a specific climate?
    5·1 answer
  • Is this molecule polar or nonpolar?
    14·1 answer
  • HELP PLEASE &lt;3 !!!!!!​
    14·1 answer
  • how can you find the Frequency if you only have the wavelength? can you solve this example what is the Frequency of the waveleng
    6·1 answer
  • Which of the following is true: A. Gamma rays are too dangerous to be used in a medicinal way. B. Gamma radiation is used common
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!