The heat generated by the reactor core of a nuclear power plant used to provide power to buildings by generating steam, which turns a turbine, powering a generator and the correct option is option C.
What are Nuclear Power plants?Nuclear power plants are a type of power plant that use the process of nuclear fission in order to generate electricity.
The steam is used to spin large turbines that generate electricity. Nuclear power plants use heat produced during nuclear fission to heat water.
In nuclear fission, atoms are split apart to form smaller atoms, releasing energy. Fission takes place inside the reactor of a nuclear power plant.
Nuclear power plants are very similar to coal-fired power plants. However, they require different safety measures since the use of nuclear fuel has vastly different properties from coal or other fossil fuels.
Therefore, The heat generated by the reactor core of a nuclear power plant used to provide power to buildings by generating steam, which turns a turbine, powering a generator and the correct option is option C.
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Determine the number of atoms of 25 g iron(II) chloride
Answer:
3.56x10²³ atoms
Explanation:
To solve this question we need first to determine the moles of iron (II) chloride, FeCl₂, using its molar mass. Then, using Avogadro's number we can solve for the number of atoms:
Moles FeCl₂ - Molar mass: 126.751g/mol-
25g FeCl₂ * (1mol / 126.751g) = 0.1972 moles
Number of atoms:
1 mole of FeCl₂ are 6.022x10²³ molecules of FeCl₂, that means 0.1972moles are:
0.1972mol * (6.022x10²³ molecules / 1mol) = 1.188x10²³ molecules of FeCl₂
In 1 molecule of FeCl₂ there are 3 atoms (1 of Fe and 2 of Cl), in 1.188x10²³ molecules of FeCl₂ there are:
1.188x10²³ molecules of FeCl₂ * (3atoms / molecule) =
3.56x10²³ atomsWhich is not an indicator for a chemical change?
A. Dissolving sugar
B. Unexpected temperature change
C. Unexpected color change
D. Combustion
Answer:
A
Explanation:
Because it does not change entirely.
Which of the following statements about the elements in group 2 of the periodic table is true?
They all tend to become positive ions when they bond with other elements.
They all have similar chemical and physical properties.
They all have two electrons in their outermost shell.
They are all metals.
Answer:
they all have two electrons in their outermost shell
The elements of group 2 are alkaline earth metals that have two electrons in their outermost shell. So they have similar chemical and physical properties and tend to become positive ions in bond formation.
What are the properties of the elements of group 2?The elements present in group 2 include Beryllium, Magnesium, Calcium, Strontium, Barium, and Radium.
The elements of group 2 are similar in their physical and chemical properties as all the elements have the same number of valence electrons. All alkaline earth metals are silvery-white-colored solids under normal conditions. They are also shiny and quite reactive.
The general electronic configuration of group 2 elements is ns². The alkaline earth metals have fully filled s-orbital in their valence shells, they tend to lose two electrons to produce cations with +2 charge.
Therefore, the elements of group 2 are electropositive in nature. Therefore, all the given statements about group 2 of the periodic table are true.
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In an experiment to find the concentration of calcium hydroxide in limewater , 25.0 cm3 of limewater needed 18.8 cm3 of 0.0400 mol/dm3 hydrochloric acid to neutralise it.
Answer:
0.01504 mol/dm3
Explanation:
Calcium Hydroxide - Ca(OH)2
Hydrochloric acid - HCl
The reaction between both is given as;
2HCl + Ca(OH)2 --> CaCl2 + 2H2O
2 : 1
The relationship between the concentration and volume is given as;
CaVa / CbVb = na / nb
where a = acid (HCl) and b = base Ca(OH)2
Inserting the values;
0.04 * 18.8 / (Cb * 25) = 2 / 1
0.752 / 25Cb = 2
Cb = 0.752 / 50 = 0.01504
Which is the soft stone??
Answer:
Various soft stones were employed, the most popular being lime- stone basalt.
Explanation:
please help again I'm timed again
Answer:
melting evaporation
Explanation:
melting decreases because its melting out of form
Answer:the answer should be A E and F
Explanation:
They all use decreased energy
A mixture of hydrogen and oxygen gases has a total pressure of 5.50 atm. What is the partial pressure of the hydrogen if the P(O2) = 1250 mm Hg?
Answer:
P O 2 = 5.21 atm P C O 2 = 4.79 atm
Explanation:
Hope it helps!
explain
diffusion in solids
have a great day
Answer: Well,diffusion does not happen in solids because the particles are not free to move around and so they cannot inter-mix.
Help please Where does your water come from? Your tap or a bottle is not a valid answer.
where the water is actually collected, where it comes from originally, and how it actually gets
delivered to our houses in Southern California
Answer:
-water is collected from nearby water holes and put in a water tower after it's clean
Answer:
Your water comes from rivers and streams.
Explanation:
The water is collected from rivers and stream and gets delivered from the storage tank to the pipes of our house
*CHEMISTRY*
*WILL GIVE BRAINEST*
A 5-liter sample of gas initially at 50°C is observed to expand to 5.5 liters when the temperature is raised to 100°C. After further increase in temperature, the volume is 6 liters. What is the approximate temperature (within 50 degrees) of the final state of the gas?
O 50°C
O 100°C
O 150°C
O 200°C
Answer:
150
Explanation:
.5 liter increase every temperature 50°C.
5 liter= 50 C
5.5 liter= 100 C
6 liter= 150 C
What are some facts about light?
Answer:
A neon lamp was switched on during the Great Depression and continued to burn until it was discovered some 77 years later. The electricity bill came up to a whopping $17 000!
Explanation:
Help me with this please don’t scam me
Answer:
A is the answer it is correct
Answer:
A
Explanation:
trust me
What kind of reaction is this?
Answer:
Single replacement
Explanation:
Chemical equation:
2Al(NO₃)₃ + 3Ca → 3Ca(NO₃)₂ + 2Al
Single replacement:
It is the reaction in which one elements replace the other element in compound.
AB + C → AC + B
All other options are incorrect because,
Double replacement:
It is the reaction in which two compound exchange their ions and form new compounds.
AB + CD → AD +CB
Synthesis reaction:
It is the reaction in which two or more simple substance react to give one or more complex product.
Decomposition reaction:
It is the reaction in which one reactant is break down into two or more product.
AB → A + B
Combustion reaction:
Reaction in substance react with oxygen and form carbon dioxide and water.
Cu2+ br1- ionic formula
Answer:
yes
Explanation:
Need help with pt 3 of Density worksheet
formula p=m/V
Explanation:
0.79
6.35
1.79
To find the density you have to divide the mass by volume
hope it helps!