Question 4 of 5
Most paints include a pigment (the color), a binder (the
glue), and a solvent. The binder makes the paint color stick
to the surface being painted.
Which part of the manufacturing process occurs when binders are added to a
paint mixture?
A. Separating
B. Forming
C. Finishing
D. Combining
SUE

Answer:

Ca +  CO₃²⁻   → CaCO₃

Explanation:

Solution:

      Sodium carbonate  = Na₂CO₃

      Calcium chloride = CaCl₂

      Calcium carbonate is precipitated

Reaction equation:

           Na₂CO₃  +  CaCl₂  →  CaCO₃ + 2NaCl

The net ionic equation:

        2Na⁺ + CO₃²⁻   + Ca + 2Cl⁻  → CaCO₃ + 2Na⁺ + Cl⁻

the spectator ions which both appears on both sides will cancel out and leave behind the net ionic equation:

              Ca +  CO₃²⁻   → CaCO₃

Answer:

b only

Explanation:

Answer:  Thermal Power Plant  1.  A thermal power station is a power station in which heat energy is converted to electric power. In most, a steam-driven turbine converts heat to mechanical power as an intermediate to electrical power. Water is heated, turns into steam and drives a steam turbine which drives an electrical generator.

Nuclear Power Plant  2.   A nuclear power plant is a thermal power station in which the heat source is a nuclear reactor. As is typical of thermal power stations, heat is used to generate steam that drives a steam turbine connected to a generator that produces electricity.

Solar Power Plant   3.    Solar thermal power/electric generation systems collect and concentrate sunlight to produce the high temperature heat needed to generate electricity. ... Solar thermal power plants may also be hybrid systems that use other fuels (usually natural gas) to supplement energy from the sun during periods of low solar radiation.

Hydroelectric Power Plant   4. The most common type of hydroelectric power plant is an impoundment facility. An impoundment facility, typically a large hydropower system, uses a dam to store river water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity.

Geothermal Power Plant   5.   At a geothermal power plant, wells are drilled 1 or 2 miles deep into the Earth to pump steam or hot water to the surface. ... When the water reaches the surface, the pressure is dropped, which causes the water to turn into steam. The steam spins a turbine, which is connected to a generator that produces electricity.

Tidal Power Plant   6.   There are very few commercial-sized tidal power plants operating in the world. The first was located in La Rance, France. The largest facility is the Sihwa Lake Tidal Power Station in South Korea. The United States has no tidal plants and only a few sites where tidal energy could be produced at a reasonable price.

Wind Farm   7.    Wind turbines work on a simple principle: instead of using electricity to make wind—like a fan—wind turbines use wind to make electricity. Wind turns the propeller-like blades of a turbine around a rotor, which spins a generator, which creates electricity.

Explanation:

To solve this we must be knowing each and every concept related to  thermal power plant. Therefore, in the below given ways, three ways of producing electricity is discussed.

A power plant that converts heat energy into electric power is known as a thermal power station. Most often, a steam-driven turbine turns heat into mechanical power as a step toward creating electricity.

Systems for generating electricity using solar thermal energy collect and start concentrating sunlight to create the high-temperature heat required to produce electricity.

An impoundment facility is the kind of hydroelectric plant that is most prevalent. A dam is used in an impoundment facility, which is usually a big hydroelectric system, to hold stream water in a reservoir.

Therefore, in the above given ways, three ways of producing electricity is discussed.

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Answer:

Br

Explanation:

Answer:

14.2g

Explanation:

The reaction expression is given as:

        C₃H₈  +  5O₂ → 3CO₂ + 4H₂O

Given mass of propane combusted;

   4.74g

Unknown:

Mass of carbon dioxide produced  = ?

Solution:

To solve this problem, we find the number of moles of the given propane;

   Number of moles  = [tex]\frac{mass}{molar mass}[/tex]  

Molar mass of C₃H₈ = 3(12) + 8(1) = 44g/mol

   Number of moles  = [tex]\frac{4.74}{44}[/tex]  = 0.11mol

From the balanced reaction equation:

          1 mole of C₃H₈ will produce  3 moles of CO₂

          0.11mole of C₃H₈ will produce 3 x 0.11  = 0.33mole of  CO₂

Mass of  CO₂ = number of moles x molar mass

    Molar mass of  CO₂ = 12 + 2(16) = 44g/mol

Mass of  CO₂ = 0.33 x 44  = 14.2g

Answer:

Explanation:

The electron is subatomic particle that revolve around outside the nucleus and has negligible mass. It has a negative charge.

relative charge = -1

Relative mass = 1.1836

It was discovered by j. j. Thomson in 1897 during the study of cathode ray properties.

He constructed the glass tube and create vacuum in it. He applied electric current between electrodes. He noticed that a ray of particles coming from cathode to wards positively charged anode. This ray was cathode ray.

Properties of cathode ray:

The ray is travel in straight line.

The cathode ray is independent of composition of cathode.

When electric field is applied cathode ray is deflected towards the positively charged plate.

Hence it was consist of negatively charged particles.

While neutron and proton are present inside the nucleus. Proton has positive charge while neutron is electrically neutral. Proton is discovered by Rutherford while neutron is discovered by James Chadwick in 1932.

Relative mass of proton= 1

Relative mass of neutron = 1

Relative mass of proton = +1

Relative charge of neutron = 0

The number of electron or number of protons are called atomic number while mass number of an atom is sum of protons and neutrons. The umber of protons and electrons are always equal to make the atom electrically neutral.

Answer:

violet

Explanation:

When an electron interacts with visible light, energy is transferred from the photon to the electron.

The most accurate (lowest error) measurement of momentum (or speed) of an electron is obtained using a photon of high energy and low wavelength.

Violet light which lies at the high energy end of spectrum is most suitable.

Answer:

If we assume that there will be enough Hydrogen for the reaction to occur, then there will be 8 moles of NH

Explanation:

The balanced equation will look like this:

4N2 + 4H2 -> 8NH

Answer:

I have been banned before too, it is not fun :(

Explanation:

this is actually my fourth account cause I also had some deleted

Answer:

can you get a picture that is in higher quality? we can't read what it's saying

Answer:

Therefore, in a 250 g of solution, 5% needs to be KCl, i.e. 5% x 250 = 12.5 g of KCl is needed.

Explanation:

Answer:The ice will melt

Explanation:

Complementary Base Pairing. Specific pairs can only go together, so when guanine and adenine pair up, its Complementry Base Pairing :)

Hope this helps! Please correct me if im wrong :)

Answer:

(c) P and Sb

Explanation:

We can determine the number of valence electrons of an element:

Which pair of elements have the same valence electronic configuration of np³?

(a) O and Se. NO. They belong to the group 16 and the valence electron configuration is ns² np⁴.

(b) Ge and Pb. NO. They belong to the group 14 and the valence electron configuration is ns² np².

(c) P and Sb. YES. They belong to the group 15 and the valence electron configuration is ns² np³.

(d) K and Mg. NO. They belong to the groups 1 and 2 and the valence electron configuration is ns¹ and ns².

(e) Al and Ga. NO. They belong to the group 13 and the valence electron configuration is ns² np¹.

The pairs of elements that contain the similar valence electronic should be option (c) P and Sb

In the case when it belongs to Groups 1 and 2, the no of valence electrons should be equivalent to the number of groups and the differential electron occupies the s subshell. On the other hand, in the case when it belongs to the groups 13-18, the number of valence electrons should be equivalent to "Number of group - 10" and the differential electron occupies the p subshell.

This question is incomplete. Please find the completed question below.

Which pair of elements have the same valence electronic configuration of np³?

(a) O and Se. NO. They belong to the group 16 and the valence electron configuration is ns² np⁴.

(b) Ge and Pb. NO. They belong to the group 14 and the valence electron configuration is ns² np².

(c) P and Sb. YES. They belong to the group 15 and the valence electron configuration is ns² np³.

(d) K and Mg. NO. They belong to the groups 1 and 2 and the valence electron configuration is ns¹ and ns².

(e) Al and Ga. NO. They belong to the group 13 and the valence electron configuration is ns² np¹.

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Answer:

Absolutely True :) cause we use it all the time

Land is a natural resource because it is used by living things to meet their needs. The given statement is true.

Natural resources are important commodities and are used on a global scale. This includes the extraction and purification procedures that allow for their usage in economic production or consumption. Land is a natural resource.

Natural resources can be either renewable (meaning there will eventually be more supply available after they are refilled) or non-renewable (meaning there won't be any more available supply to be harvested from once they run out). Land is a natural resource because it is used by living things to meet their needs. The given statement is true.

Therefore, the given statement is true.

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Answer:

b. increases, decreases

Explanation:

For an ionic compound ( ionic crystal), the lattice energy accounts for the crystal lattice's cohesion energy.

The lattice energy is the change in molar enthalpy associated with the reaction of the formation of gas ions from a mole of crystal.

This means that the lattice energy is needed to split the bond between particles of a solid ionic crystal and change the atoms into gaseous ions.

The smaller the atom size, the more heat energy required to split the bond, and the larger the atom size, the lesser heat required.

The charge on the atom also affects the behavior of ionic crystals. In essence, the higher the charge on the atom, the more difficult to split the bond, and the lesser the charge on an atom, the easier it is to split the bond.

Thus, we can conclude that the lattice energy for ionic crystals increases as the ions' charge increases, and the size of the ions decreases.

Answer:

380 to 700 nanometers

Explanation:

The visible light spectrum is the segment of the electromagnetic spectrum that the human eye can view. More simply, this range of wavelengths is called visible light. Typically, the human eye can detect wavelengths from 380 to 700 nanometers.

Hope that answers your question.

Answer:

Mass of product B  = 15g

Explanation:

Reaction:

          AB →  A   +   B

Mass of AB  = 25g

Mass of A = 10g

Unknown:

Mass of B = ?

Solution:

Based on the law of conservation of matter "matter is neither created nor destroyed but transformed from one form to another in a chemical reaction".

 The amount of product  = amount of reactant

  Mass of AB  = Mass of A + Mass of B

  Now;

    Mass of Product B  = Mass of AB  - Mass of A

     Mass of product B   = 25  - 10  = 15g

Mass of product B  = 15g

Answer:

This question is incomplete

Explanation:

This question is incomplete but the completed question is in the attachment below. To determine the net ionic equation, one must first write the complete equation which is shown below

LiNO₃ + NaC₂H₃O₂ ⇒  LiC₂H₃O₂ + NaNO₃

The ionic equation represented from the above equation will be

Li¹⁺ NO₃⁻ + Na¹⁺ C₂H₃O₂¹⁻  ⇒  Li¹⁺ C₂H₃O₂¹⁻ + Na¹⁺NO₃¹⁻

Because the resultant NaNO₃ formed is an ionic compound (which does not form a molecule), the correct option from the options provided is the first option

Answer:

c. carnivore means to eat meat

Answer:

c. they eat meat

Explanation:

while the other options are true those don't classify spiders as carnivores

Answer:

B.chlorine (Cl), iodine (I)

Answer:

Its D

Explanation:

The percent yield : 79.9%

Percent yield is the comparison of the amount of product obtained from a reaction with the amount you calculated

General formula:

Percent yield = (Actual yield / theoretical yield )x 100%

An actual yield is the amount of product actually produced by the reaction. A theoretical yield is the amount of product that you calculate from the reaction equation according to the product and reactant coefficients

Reaction

Fe(s)+S(s)⇒FeS(s)

The reaction produces 6.29 g of iron(II) sulfide⇒an actual yield

The maximum  amount that can be produced is 7.87 g ⇒ A theoretical yield

[tex]\tt \%yield=\dfrac{actual}{theoretical}\times 100\%\\\\\%yield=\dfrac{6.29}{7.87}\times 100\5=79.9\%[/tex]

Answer:

I think both photosynthesis and cellular respiration breaks down glucose

Explanation:

sorry if i'm wrong

Answer:

c

Explanation:

both photosynthesis and cellular respiration brakes down glucoso

Answer:

Calculate the energy of a photon having a wavelength of 7.71 x 10^-5 m.​

Explanation:

Answer:

A material that readily transmits energy is a conductor, while one that resist energy transfer is called an insulator. There are different types of conductors and insulators because there are different forms of energy. Materials that conduct electrons, protons, or ions are electrical conductors. They conduct electricity. Usually, electrical conductors have loosely bound electrons. Materials that conduct heat are thermal conductors. Substances that transfer sound are acoustical conductors. There are corresponding insulators for each type of conductor.

Explanation:

Electrical conductors and thermal conductors have loosely bound electrons. These are the materials that conduct heat.

Electrical conductivity is a measure of how well electrical current can pass through a material under the influence of an applied electric field. Thermal conductivity measures how well heat can pass through a material under a temperature difference. Materials that are good conductors of heat and electricity. Thermal insulators do not transfer energy, but thermal conductors do.

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The compound : C₄₀H₄₄N₄O

The empirical formula is the smallest comparison of atoms of compound =mole ratio of the components

The principle of determining empirical formula

• Determine the mass ratio of the constituent elements of the compound.  

• Determine the mole ratio by dividing the percentage by the atomic mass

The mol ratio of composition : C : H : N : O

[tex]\tt \dfrac{80.66}{12}\div \dfrac{7.39}{1}\div \dfrac{9.39}{14}\div \dfrac{2.68}{16}\\\\6.722\div 7.39\div 0.671\div 0.1675\rightarrow divide~by~smallest(0.1675)\\\\40\div 44\div 4\div 1[/tex]

Answer:

can't say...... . . please make me as brainlist

Answer: ladadadadadadasasasasassassaasss

Explanation:

i poop my pants