The diagram depicts the flow of
water through a dam. The flow
of water causes the turbine
blades to turn. This, in turn,
causes : generator to provide
energy to the power lines.
Which of the flowcharts best
outlines the conversion of
energy


A) chemical energy to kinetic
energy to electrical energy

B) Solar energy to mechanical
energy to electrical energy

C) kinetic energy to mechanical
energy to electrical energy

D) mechanical energy to
electrical energy to kinetic
energy

From the calculations and by the use of Boyles law, the new pressure of the gas is 1.7 atm

The term gas law is used to demonstrate the relationship between the volume, pressure, number of moles and temperature of a gas.

Using the Boyles law;

P1 = 1 atm

P2 = ?

V1 = 6 L

V2 = 3.5 L

P1V1= P2V2

P2= P1V1/V2

P2= 1 atm * 6 L/3.5 L

= 1.7 atm

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Answer:

A restoration

Explanation:

the action of returning something to a former owner, place, or condition.

If it's not preservation then it's it's reservation.

The IUPAC name for the given product is 2 chloro Butane.

IUPAC stands for 'International Union of Pure and Applied Chemistry', which givers some rule for designing the name of compounds of chemistry.

Hence name of the product is 2 chloro Butane.

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Answer:

Neither Attraction Nor Repulsion

Explanation:

To start off,

Kinetic Molecular Theory:

Repulsion:

Attraction:

To finish,

Gas particles move at random, which means there are no attractive forces between them or in their surroundings. The entire kinetic energy of two particles is preserved when they collide.

Answer:

Neither attraction nor repulsion.

Explanation:

Just took the test!

The littoral zone of a lake is the area closest to the shore. It has very little biological activity but includes a lot of oxygen. The water in the lake's littoral zone is freshwater, free of living organisms such as plants and fish.

Answer:

J.J. Thomson

Explanation:

Answer:

D

Explanation:

took the test

Answer:

Option D

Explanation:

it has the same types of atoms on both sides of the reaction

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D) It has the same types of atoms on both sides of the reaction arrow.

Explanation:

This law was made by the Antoine Lavoisier in 1789. He want to confirm that the mass of reactant is equal to the mass of product and he was successful to carry out the test.

[tex]\qquad\qquad\huge\underline{{\sf Answer}}[/tex]

In 1 molecule of [tex] \sf{(NH_4)_2SO_3} [/tex] has 3 molecules of Oxygen. but it is given that the sample contain 6000 Oxygen atoms. therefore, the number of molecules in the sample is ~

[tex]\qquad \sf  \dashrightarrow \: \dfrac{6000}{3} [/tex]

[tex]\qquad \sf  \dashrightarrow \: 2000 \: \:molecules[/tex]

Now, there are 8 atoms of Hydrogen in each molecule, so total number of H - atoms in 2000 molecules of the given compound would have ~

[tex]\qquad \sf  \dashrightarrow \: 2000 \times 8[/tex]

[tex]\qquad \sf  \dashrightarrow \: 16000 \: \: H-atoms[/tex]

Answer:

nonmetals and non metals because valence electrons are shared

Explanation:

please take note that ionic bond only occur between nonmetals and metals whereas covalent bonds only occur between nonmetals and nonmetals

Explanation:

a) 2 (Cr)³+ + 3 BiO3- + 4 H+ → 3 (Bi)3+ + Cr2O72- + 2 H2O

b)

have posted a similar question in the image for the phosgene i hope it helps little

Answer:

Cause why not?

Explanation:

Answer:

Sodium fluoride (NaF) does indeed follow the octet rule without any violations.

Explanation:

1. Reduce your carbon footprint

Carbon emissions also increase ocean acidity, which can impact corals and the species that depend on them.

Walking, biking, riding public transportation and carpooling are all ways you can reduce your carbon footprint

2. Conserve water to reduce pollution

All water winds up in the ocean, and pollution drives much of the damage to reefs. And runoff is what carries nutrients and contaminants into the sea.

Using less water can help minimize these impacts.

3. Get engaged

Through civic and political engagement, you can help shape your community in ways that reduce negative impacts on coral reefs. Volunteering, voting and running for public office are all ways you can become more engaged and magnify your impact on a wide range of issues.

4. Support sustainable fishing

Overfishing has a dramatic impact on coral reefs. By making informed choices about the fish you purchase and eat, you can contribute greatly to ocean health.

5. Support sustainable development and tourism

By doing research, speaking out and making informed choices when you visit tropical reefs, you can make a big impact

6. Help inform the public

Educating others about the crisis facing coral reefs is a vital part of building support, engagement and the political will to fight the human-caused pressures that are devastating reef ecosystems.

Answer:

The Explanation

Explanation:

:i imagine less blue crabs ngl

Answer:

C and A

Explanation:

i think it is because a solution is a mix of a solute and solvent, dont judge me if its wrong

Answer:

1.23 moles

Explanation:

Ideal gas law

PV = n RT                 R = .082057 L-atm/mol-K

25 C = 298.15 K

12 (2.5) = n (.082057) (298.15)      n = 1.23 moles

Answer:

B

Explanation:

Carbon-14 will steadily decrease in a dead organism. Fossils are no different. Sense it's dead already, it will still be getting rid of the last bit of carbon-14 it has in a steadily way.

Answer:

oxygen reacts with glucose to produce carbon dixiode into water and release energy. It is 1

Explanation:

It is A

Explanation:

Answer:

Silicon

Explanation:

When viewing the periodic table of elements and locating atomic number 14, you will find that the element present is Silicon (Si), of which is within the metalloid elemental group.

The mole of water Sam and Albert produced would be 3.5 moles

From the balanced equation of the reaction:

[tex]2H_2 (g) + O_2 (g) --- > 2H_2O (l)[/tex]

The mole ratio of hydrogen to water is 1:1.

Thus, if 3.5 moles of hydrogen gas is reacted with excess oxygen, 3.5 moles of water will also be produced.

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Answer:

Explanation:

A change in oxidation number represents a transfer of electrons between atoms/ions. This is what happens during oxidation and reductions, where electrons are gained and lost (respectively).

Answer:

D.) 2,200 kJ

Explanation:

To find the energy needed to vaporize aluminum, you need to multiply the given mass (2 kg) by the latent heat of vaporization conversion (via table). You know your answer is correct if the units cancel out.

2 kg aluminum                1,100 kJ
-------------------------  x  ------------------------  = 2,200 kJ
                                   1 kg aluminum

**I apologize if there was another way using the equation **

Answer:

true im pretttyyy sure

Explanation:

bcuz the stronger the intermolecular forces the higher the boiling point :3

Answer:

Sry i accidently clicked on ''SAVE''.

U can remove it or report it...

Explanation:

Answer:

similarly 1 mole of water is equivalent to molecular mass of water x 3 that is 18x3=54 gram

Explanation:

Answer:

They both go backward because of force.

Explanation:

The logic behind this answer is that child right and pushes away causing her to go backward meaning her partner is being pushed backwards to.

(Hope this was helpful!)

C) decrease

hydrochloric acid: strong acid, pH <7

sodium hydroxide: strong base, pH>7

Answer:

a. atoms are made up of mostly empty space.(this is because most of the atoms were able to pass through the gold foil undeflected)

Explanation:

Answer:

a. atoms are made up of mostly empty space

Answer:

E. None of these

Explanation:

We know, By GAS laws,

PV = NRT, where p- pressure, v- volume, n- number of moles, R- gas constant ,and T- temperature

Now, In the question, the number of moles remains the same as the gas is the same. so n is constant so we can compare n before and after a temperature change.

[tex]\frac{P1V1}{RT1}[/tex] = [tex]\frac{P2V2}{RT2}[/tex]

where P1= 1 atm, P2 = 10 atm, V1= 20 mL, T1= 10°C and T2= 100°C

We don't have to worry about the standard units as they are present equally on both the sides and get cut, same goes for R( gas constant)

So putting values, we get

[tex]\frac{1*20}{R*10} = \frac{10*V2}{R*100}[/tex]

Cutting, R on both sides and moving contents to the right so that only V2 is left on the left.

[tex]\frac{1*20*100}{10*10} = V2[/tex]

∴ V2 = [tex]\frac{2000}{100}[/tex]

∴ V2 = 20mL