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
andreev551 [17]
3 years ago
8

Pls help!! will give brainly

Chemistry
2 answers:
lutik1710 [3]3 years ago
6 0
Definitely true! Science is based on continuing research and evidence and therefore constantly changing.
____ [38]3 years ago
4 0

Answer:

True

Explanation:

You might be interested in
A student does not observe a change when holding a test tube in a flame. However, a change is expected. What is the most likely
love history [14]
Heat is energy, and that energy would eventually cause the object to undergo a phase change.
5 0
3 years ago
Read 2 more answers
Why are fibers birefringent
horrorfan [7]

Inevitable manufacturing imperfections in optical fiber leads to birefringence, which is one cause of pulse broadening in fiber-optic communications. Such imperfections can be geometrical (lack of circular symmetry), due to stress applied to the optical fiber and/or due to bending of the fiber.

4 0
3 years ago
Read 2 more answers
10. Write the formula for the compounds: copper (1) chloride and copper (II) chloride
Natali [406]

Answer:

Copper(II) chloride (CuCl2) reacts with several metals to produce copper metal or copper(I) chloride (CuCl) with oxidation of the other metal.

Explanation:

3 0
2 years ago
Figure 4, Future climate prediction for North America. By 2100, the low-emissions scenario (550 ppm CO2, left) and high-emission
ella [17]

Answer:

Las Vegas is expected to recieve less precipitation

6 0
2 years ago
Which statement identifies the element arsenic?
insens350 [35]

Answer : Option A) Atomic number of Arsenic is 33.


Explanation : Arsenic contains same number of protons in its atomic nucleus. In arsenic there are 33 protons found in the atomic nucleus. Hence, the atomic number will be 33. It has 5 valence electrons in its outermost shell, which is also called as valence shell. So, its valency becomes 5.

8 0
3 years ago
Read 2 more answers
Other questions:
  • How much heat, in joules and in calories, must be added to a 75.0–g iron block with a specific heat of 0.449 j/g °c to increase
    14·1 answer
  • If a drop of blood is 0.05 mL, how many drops of blood are in a blood collection tube that holds 2 mL ?
    6·2 answers
  • How does electronegativity changes as we move from left to right across a period
    7·2 answers
  • Find the Ka of nitrous acid given that a 0.20 M solution of the acid has a hydrogen ion concentration of 2.8*10-3 M. HNO2 (aq) ?
    14·1 answer
  • A major component of gasoline is octane C8H18. When liquid octane is burned in air it reacts with oxygen O2 gas to produce carbo
    15·1 answer
  • Calculate the pressure of 2.50 Liters of a gas at 25.0oC if it has a volume of 4.50 Liters at
    7·1 answer
  • Write a balanced nuclear equation for the alpha decay of titanium-45.
    6·1 answer
  • Please help <br> with this question
    10·2 answers
  • Select the correct answer.
    12·1 answer
  • Classify the following reactions into: Element – Element, Element – Compound, Compound – Compound
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!