The diagram shows the basis for forming which of the following?
O nucleic acids
O proteins
O polysaccharides
O lipids

Answer:

Typical organic fertilizers include mineral sources, all animal waste including meat processing, manure, slurry, and guano, plant based fertilizers, such as compost, and biosolids.

Answer:

gas

Explanation:

the answer is right in the question (g) stands for gas.

Answer:

increase,increase,decrease

Explanation:

Answer:

The correct row is B.

Explanation:

The formation of the magnesium ion, Mg²⁺, comes from the removal of 2 electrons from the valence shell of the magnesium atom. Since the remotion is of electrons, the nucleus of the atom remains the same, so the number of protons and the number of neutrons does not change.

If the number of proton change, then the atom also change, since the identity of an atom is related to the atomic number which is the same to the proton number.          

Now, if the number of neutrons changes, then we would be in the presence of an isotope of the magnesium atom.        

Therefore, the correct row is B.  

I hope it helps you!                            

Answer:

B. Two molecules of pyruvate.

Explanation:

Trust me. I got it RIGHT!

Answer:

The above statement is False

Answer:

(9,5) and (2,1)

Explanation:

Answer: C. The number of collisions of gas particles decreases

Explanation: As temperature decreases so does everything else same with increase.

When the number of particles of a gas decreases the pressure of the gas increases.

In a container containing has molecules, they move about freely in the container but the pressure it exerts on its container depends increase of decrease of the has molecules by volume.

If the volume of a container is decreased, the gas molecules have less space in which to move around. As a result, they will strike the walls of the container more often and the pressure increases.

Therefore, when the number of particles of a gas decreases the pressure of the gas increases.

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Answer:

OSMOSIS

Explanation:

Osmosis (/ɒzˈmoʊ.sɪs/) is the spontaneous net movement or diffusion of solvent molecules through a selectively permeable membrane from a region of high water potential (region of lower solute concentration) to a region of low water potential (region of higher solute concentration),

Answer:

C. a change in the total mass of the product

Explanation:

A chemical reaction is a reaction that alters the chemical composition of the substances involved. Based on the options in this question, a chemical reaction possess the following features:

- The atoms of the substance called reactants are rearranged into products but the total number of atoms remain the same after the reaction.

- A change in odor occurs as one of the indicators that a chemical reaction has taken place.

- Energy is either absorbed (endothermic) or released (exothermic) in the chemical reaction.

However, one untrue option is that "there is a change in the total mass of the product". The total mass of a chemical reaction does not change i.e. remains the same, before or after the reaction in accordance to the law of conservation of mass.

Answer:

Hydrogen is a very reactive element. It doesn't exist as a single atom in nature. Neither do any of the other binary nonmetals -- nitrogen, oxygen, fluorine, chlorine, bromine, and iodine. They're too prone to react with something. They react with each other and form binary molecules because the binary molecules are more stable than single atoms (by a lot!). Compounds with other atoms are even more stable, so hydrogen reacts with oxygen to form water, and chlorine reacts with sodium to form table salt.

Explanation:

Answer:

To make 250 ml of 0.1 M NaOH, you dissolve 1 gram NaOH in enough water to make a final volume of 250 mls.

Explanation:

Your welcome! :)

Answer:

C

Explanation:

Nuclear fission is a process where the nucleus of an atom is split into two or more smaller nuclei, known as fission products.

Nuclear fission is the splitting of a nucleus into two or more nuclei defines best of nuclear fission among the following , therefore option (c) is correct.

Nuclear fission is a process in which an unstable nucleus splits into two nuclides and emits neutrons.

The fission process often produces free neutrons and photons and releases a large amount of energy. Therefore , nuclear fission is either a nuclear reaction or a radioactive decay process.

The fission process often produces gamma radiations , and releases a very large amount of energy .

Nuclear fission is the splitting of a nucleus into two or more nuclei defines best of nuclear fission among the following , hence option (c) is correct.

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Answer:

Adding hydrogens, decreasing the number of double bonds in the molecules.

Explanation:

Hydrogen is a catalyst, which means that it accelerates or speeds up the velocity of a chemical reaction, by adding hydrogens to oil it will decrease the number of double bonds in the molecules which will make it solidify over time.

Oil + hydrogen creates substances that are solid at room temperature.

Answer:

289.15k is the answer buddy

Explanation:

dylalove464

06/11/2020

Hello,

In this case, we first compute the moles of oxygen in 0.654 g and 1.35 g by using its molar mass (32 g/mol):

Then, by using the ideal gas equation at the both states, given the same both temperature and volume:

We compute the volume at the second moles:

Best regards.

Answer:

3.41

Explanation:

:)

Answer:

D. They Increase the surface area of reactants.

Explanation:

And why I say the answer is  D, Because  Enzymes are soluble protein molecules that can speed up chemical reactions in cells

When Enzymes are proteins that speed up chemical reactions in the body so here it increase the surface area of reactants. hence, option d is correct.

It is the substance that is treated as the catalyst in the living organism.

In this, the biological process arises within the living organism are considered to be the chemical reactions.

Also, enzymes should be soluble protein molecules that speed up the chemical reaction in cell.

hence, the option d is correct.

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Answer:

D. Strong nuclear force, electrostatic force, weak nuclear force, gravitational force

There are four fundamental or universal forces in nature. Without these forces, all matter in the world will fall apart. The relative strength of fundamental forces is Strong nuclear force, electrostatic force, weak nuclear force, gravitational force. Thus the correct option is D.

The fundamental forces are also called the fundamental interactions. All the known forces of the nature can be collectively called the fundamental forces. The four important fundamental forces are gravitational, electrostatic, strong and weak nuclear forces.

The gravitational force is the weakest fundamental force. It is an attractive force which arises from the gravitational interaction. The attractive as well as the repulsive force caused by the electrically charged particles is defined as the electrostatic force.

The nuclear force is the strongest attractive force. The strong nuclear forces hold the nuclei of atoms together. The weak nuclear forces are responsible for the radioactive decay.

Thus the correct option is D.

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Answer:

hola soy jess, tu respuesta esta aqui

¿cuantos moles de CO2 se requiere para reaccionar 2 moles de Ba(OH)2

2 mol Ba(OH)₂ × \frac{1molCO_{2} }{1molBa (OH)_{2}}

1molBa(OH)

2

1molCO

2

= 2 moles CO₂

Explanation:

espero que pueda ayudarte

hermana/hermano

lo que

hahahaha

Answer:

The given molecules are:

(A) CO2 (B) H2O (C) CH4 (D) C2H4 (E) PH3

Which one has trigonal pyramidal geometry?

Explanation:

According to VSEPR (valence shell electron pair repulsion) theory, a molecule with a central atom having hybridization sp3 and with one lone pair of electrons has trigonal pyramidal geometry.

Among the given molecules,

CO2 has central atom carbon with sp hybridization without lone pairs.

So, it is a linear molecule.

H2O, the central atom is oxygen with sp3 hybridization and oxygen has two lone pairs. So, its geometry is V-shape or bent.

CH4 has central atom carbon with sp3 hybridization and no pairs.

So, its geometry is tetrahedral.

C2H4 ethene has carbon atoms as the central atoms with sp2 hybridization and carbon has no lone pairs.

So, its geometry is trigonal planar.

Answer:

PH3 has central atom P with sp3 hybridization.

P has one lone pair on it.

Hence, the geometry of PH3 is trigonal pyramidal.

Answer:

The spacing between the terrestrial planets is less than that between the gas planets.

Explanation:

Since the terrestrial planets which are Mercury, Venus, Earth and Mars have a distance of 0.4 AU, 0.7 A.U, 1.0 AU and 1.5 A.U respectively from while the gas planets which are Jupiter, Saturn, Uranus and Neptune have a distance of 5.2 AU, 9.6 AU, 19.6 AU and 30 AU respectively from the sun, we can see that the spacing between the terrestrial planets is much smaller than the spacing between the gas planets.

For example, the spacing between Mercury and Venus is 0.7 AU - 0.4 AU = 0.3 AU while that between Earth and Venus is 1.0 AU - 0.7 AU = 0.3 AU.

Also, the spacing between Earth and Mars is 1.5 AU - 1.0 AU = 0.5 AU.

Also too, the spacing between the gas planets is shown below  the spacing between Jupiter and Saturn is 9.6 AU - 5.2 AU = 4.4 AU while that between Uranus and Saturn is 19.6 AU - 9.6 AU = 10.0 AU.

Also, the spacing between Neptune and Uranus is 30 AU - 19.6 AU = 10.4 AU.

Thus, we can see that the spacing between the terrestrial planets is less than that between the gas planets.

Note that AU means astronomical unit and 1 AU is the distance between the Earth and the Sun. 1 AU = 1.50 × 10⁸ km

Explanation:

It is known that like charges repel each other and unlike charges attract each other.

As the balloons are facing each other with like charges so they will repel each other. Hence, they will move apart.

But when balloons were moved further apart then interaction between them will decrease and then there will be no force of repulsion or force of attraction.

Answer:

1. a = -10 m/s²

2. a = 1.8 × 10³ km/h²; s = 0.31 km

Explanation:

1.

Given:

Initial speed (u): 30 m/s

Final speed (v): 0 m/s (rest)

Time elapsed (t): 3.0 s

Asked:

Acceleration (a)

Solution:

We will use the following expression.

a = (v-u)/t = (0 m/s - 30 m/s)/3.0 s = -10 m/s²

Final Answer:

a = -10 m/s²

2.

Given:

Initial speed (u): 50 km/h

Final speed (v): 60 km/h

Time elapsed (t): 20 s

Asked:

(a) Acceleration (a)

(b) Distance traveled (s)

Solution:

(a) First, we will convert the time to hours.

20 s × 1 h/3600 s = 0.0056 h

Then, we will use the following expression.

a = (v-u)/t = (60 km/h - 50 km/h)/0.0056 h = 1.8 × 10³ km/h²

(b) We will use the following expression.

s = u × t + 1/2 × a × t²

s = 50 km/h × 0.0056 h + 1/2 × 1.8 × 10³ km/h² × (0.0056 h)² = 0.31 km

Final Answer:

a = 1.8 × 10³ km/h²

s = 0.31 km

Explanation:

AH is negative because the reaction gives out heat (exothermic).

AS is negative because the total entropy of the reactants is greater than that of the products (there are 4 moles of gas on reactant side compared to only 1 mole on the product side). Thus, the reactants are said to be "messier" than the products.

AG is negative at lower temperatures because at low temperatures, -TAS is more negative, resulting in the negative sign of AG.

Hope this helps.