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
IceJOKER [234]
2 years ago
15

The nucleus of a atom is

Chemistry
1 answer:
olganol [36]2 years ago
7 0
Collection of protons and neutrons!!!!
You might be interested in
2 N H 3 ( g ) ⟷ N 2 ( g ) + 3 H 2 ( g ) K p = 0.83 Consider your answers above, if the initial pressures for all three species i
OlgaM077 [116]

Explanation:

\geqslant  \sqrt[ \leqslant  \geqslant  \sqrt[ log_{ \sqrt[ \geqslant  | | \binom{ \geqslant l log_{ \sec(o \gamma  \geqslant v\%e) }(if) }{your} | |  \times \frac{heart}{broe \\ \%\} ]{broke} }(answer) ]{the}  \times \frac{fact}{with} ]{lovely}  \times \frac{than}{more}

5 0
3 years ago
If during an experiment zinc was found to be more reactive than lead or copper, zinc would be considered the strongest _____.
densk [106]

Zinc would be considered the strongest reducing agent.

<h3>Reducing agent</h3>

A reducing agent is a chemical species that "donates" one electron to another chemical species in chemistry (called the oxidizing agent, oxidant, oxidizer, or electron acceptor). Earth metals, formic acid, oxalic acid, and sulfite compounds are a few examples of common reducing agents.

Reducers have excess electrons (i.e., they are already reduced) in their pre-reaction states, whereas oxidizers do not. Usually, a reducing agent is in one of the lowest oxidation states it can be in. The oxidation state of the oxidizer drops while the oxidizer's oxidation state, which measures the amount of electron loss, increases. The agent in a redox process whose oxidation state rises, which "loses/donates electrons," which "oxidizes," and which "reduces" is known as the reducer or reducing agent.

Learn more about reducing agent here:

brainly.com/question/2890416

#SPJ4

<h3 />
5 0
2 years ago
How do scientific models help us teach students about systems?
kotegsom [21]

D)By increasing or decreasing the size of systems that are difficult to study we make it easier for students to see how they work and therefore make it easier for them to learn.

Explanation:

Scientific models makes it easier to teach students about systems because their sizes can be adjusted and this makes it easier for students to see how they work.

A model is a simplification of the real work. It takes a part of the real world and studies it.

Models are highly desired in teaching and understanding very complex systems.

  • Since a tutor owns the control of the model, they can make adjustments on them to a scale that is convenient to work with.
  • Also, a part of a system can be studied one at a time making it simple for students to comprehend.

learn more:

Models brainly.com/question/1858613

#learnwithBrainly

4 0
3 years ago
Moises performs a chemical reaction according to the reaction
taurus [48]

Answer:

Explanation:

mass of the reactant = mass of the product

15.31 + 1.50 = 16.81g

4 0
3 years ago
Briefly describe how a potentiometric pHmeter works. (Hint: Describe how the pH meter measures the amount of H+ or OH- ions in a
KengaRu [80]

Answer:

Indicators show changes in the pH of a solution

Explanation:

A pH meter is an instrument that measures the hydrogen-ion activity in aqueous solutions, indicating the acidity or alkalinity of the solution expressed as pH .The pH meter measures the difference in electrical potential between a pH electrode and a reference electrode, hence the pH meter is sometimes referred to as a potentiometric pH meter. Potentiometric pH meters measure the voltage between two electrodes and display the result converted into the corresponding pH value. The instrument comprises of a simple electronic amplifier and a pair of electrodes, or alternatively a combination electrode, and some form of display calibrated in pH units. It usually has a glass electrode and a reference electrode, or a combination electrode. The electrodes, or probes, are inserted into the solution to be tested.

Organic indicators are chemical species that change their colour in response to changes in the pH of the solution. This implies that the anionic and protonated forms of the indicator possess different colours. Hence the colour changes in acidic, basic and neutral solutions. The images attached indicate the colour changes in phenolphthalein and methyl orange in acidic and basic media accordingly.

4 0
2 years ago
Other questions:
  • Como se ordena la palabra ecrfinaine
    13·1 answer
  • I need help on 5 and 6
    15·2 answers
  • What is 19 hundred thousandths in scientific notation
    11·2 answers
  • If a weather map has a symbol that shows a circle with an H in the middle, what is it
    13·2 answers
  • Which is an example of physical contamination?
    14·1 answer
  • What is the molar mass of a gas which occupies 48.7 L at 111oC under 698 torr of pressure and has a mass of 21.5 grams?
    6·1 answer
  • _ As + _ NaOH → _Na3ASO3 + __ H2
    10·1 answer
  • What are some things that can have an effect on the amount of water in the atmosphere? Describe how these examples can impact an
    10·1 answer
  • Ammonia reacts with fluorine gas according to the thermochemical equation given
    14·2 answers
  • What is Matter and give the examples​
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!