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
o-na [289]
3 years ago
14

The process of generating electricity from dams and nuclear power plants is very different, but some of the energy transformatio

ns are the same. Which energy transformations occur in both dams and nuclear power plants? Check all that apply.
Chemistry
2 answers:
Snezhnost [94]3 years ago
7 0

Answer:

Explanation:

Kinetic energy to mechanical and mechanical to electrical

Alexxx [7]3 years ago
3 0

Answer:

Kinetic energy to mechanical energy, and mechanical energy to electrical energy.

Explanation:

From the Law of conservation of Energy, which state that energy can neither be created nor destroyed but can be transformed from one form to another. Energy transformation is essential in science and technology, in the process of generating electricity from dams and nuclear power plants

some of the energy transformations are the same, the energy transformations occur in both dams and nuclear power plants is Kinetic energy to mechanical energy, and mechanical energy to electrical energy. Kinectic energy is the energy in motion which means the dams is a running water and posses a Kinectic energy then it's is been convert to mechanical energy (which is the macroscopic energy) then to electrical energy by producing light.

You might be interested in
Choose the correct total number of electron domains (bonding and nonbonding) about a central atom if the angle(s) between the el
slamgirl [31]

Answer:

The central atom has 3 electron domains.

Explanation:

According to the Valence Shell electron pair repulsion theory (VSEPR) put forward by Gillespie and Nyholm in 1957, the shape of a molecule is determined by repulsion between all the electron pairs (electron domains) present in the valence shell.

The electron pairs or electron domains are known to position themselves as far apart in space as possible in order to minimize repulsions.

Hence, when the central atom of a molecule contains three electron domains, they are positioned at an angle of 120° from each other to minimize repulsions. Hence the answer.

5 0
4 years ago
Which substance can act as an arrhenius base in an aqueous solution
8090 [49]
The substance that can act as an Arrhenius base in aqueous solution is sodium hydroxide since NaOH dissociates in water giving the sodium ions and the hydroxide ions. An Arrhenius base is a substance that is characterized by forming hydroxide ions in an aqueous solution.
4 0
4 years ago
You react 2.43 grams of magnesium with oxygen from the air according to the following reaction. The final mass of the product, m
Leona [35]

Answer:

The mass of oxygen that reacted is approximately 1.6 grams of oxygen

Explanation:

The given information are;

The mass of magnesium in the reaction = 2.43 grams

The final mass of the magnesium oxide = 4.12 grams

The chemical equation for the reaction is given as follows;

2Mg + O₂  →  2MgO

From which we see that two moles of magnesium, Mg, reacts with one mole of oxygen gas molecule, O₂, to produce two moles of magnesium oxide, MgO

The number of moles of magnesium present, n_{Mg}, is given as follows;

n_{Mg} = \dfrac{Mass \ of \, magnesium}{Molar \ mass \ of \, magnesium} = \dfrac{2.43}{24.305} \approx 0.1 \ moles

By the given chemical equation, 2 moles of magnesium reacts with one mole of O₂, therefore;

1 mole of magnesium will react with 1/2  moles of oxygen which is 0.5 moles of oxygen also;

0.1 mole of magnesium will react with 0.05 moles of oxygen

The mass of one mole of oxygen = The molar mass of oxygen = 32 g/mol

The mass of oxygen in the reaction = The number of moles of oxygen × The molar mass of oxygen

The mass of oxygen in the reaction = 0.05 × 32 = 1.6 grams

Also from the molar mass  of MgO which is 40.3044 g/mol, we have;

The mass fraction of oxygen = 16/40.3044 = 0.39698 ≈ 0.4

The mass of oxygen = 0.39698 × 4.12 = 1.636 g

Therefore, the mass of oxygen in the reaction is approximately 1.6 grams.

8 0
3 years ago
Where is the moon located in relation to Earth and the sun when it is a first-quarter moon?
dangina [55]
At first quarter and last quarter, the Moon lies perpendicular to a line between Earth and the Sun. We see exactly half of the Moon illuminated by the Sun — the other half lies in shadow. Hope it helps :)
7 0
3 years ago
Which of the following examples demonstrates acceleration?
mrs_skeptik [129]
The answer is A.) this is because he is moving at a rate that is unknown so we don't know if he is running slower or faster if he is, he is moving by accelerating up or down.
Hope I helped
TeenOlafLover <3
5 0
4 years ago
Other questions:
  • Show that the units of kinetic energy (from ½ mv2 ) and gravitational potential energy (from mgh) are the same.
    5·1 answer
  • Octane (C8H18) is a component of gasoline. Complete combustion of octane yields H2O and CO2. Incomplete combustion produces H2O
    11·1 answer
  • Identify the correct acid/conjugate base pair in this equation:
    11·1 answer
  • Why is ammonification an important process?
    7·1 answer
  • What coefficient should be written in front of the reactant Oxygen gas (O2) in order for this equation below to be balanced?
    14·1 answer
  • A high level of ________________ in your urine could show that you have diabetes.
    15·1 answer
  • A chemical change occurs when a piece of wood?
    10·1 answer
  • What is the true ratio of atoms in a molecule or formula unit called
    15·2 answers
  • Drag each tile tile to the correct location in the equation,each tile can be used more than once, but not all tile will, be used
    10·2 answers
  • A sample of gas has a volume of 2.0 liters at a pressure of
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!