What property of water is primary for living organisms? (SC.6.E.7.4) *
1 point
It is odorless.
It does not conduct electricity.
It is tasteless
It is liquid at most temperatures on Earth.

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Answer:

As altitude increases, the amount of gas molecules in the air decreases the air becomes less dense than air nearer to sea level.

Explanation:

Answer:

English please

Explanation:

Answer:

C. The amount of product will be limited by the number of moles of

the limiting reagent.

Explanation:

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The amount of product will be limited by the number of moles of

the limiting reagent. Hence, option C is correct.

The reactant that gets consumed early in the reaction restricts the quantity of product which will be produced in the chemical reaction. Thus, the reactant that gets consumed early in a chemical reaction is a limiting reagent.

Hence, the amount of product will be limited by the number of moles of the limiting reagent.

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Answer:

The gas pressure is raised by decreasing the volume of a gas. ... The particles can collide more often with the walls of the container because the volume has decreased. They exert force on them each time they collide with the walls. More collisions mean more force, so it will increase the strain.  

hope this helped :)

Answer:When more gas particles enter a container, there is less space for the particles to spread out, and they become compressed. ... The particles exert more force on the interior volume of the container. This force is called pressure.

Explanation:

Answer:

D; none of the above

Explanation:

Binary ionic compounds are composed of one metal and one nonmental.The metals are always the first element whereas the nonmetals are the second element.

Answer: Sodium fluoride

Answer:

It stays the same.

Explanation:

Answer:

160.000 años corresponde a 16.000 décadas.

Explanation:

Para resolver correctamente el ejercicio debemos plantear la regla de tres simple de la siguiente manera:

1 década equivale a 10 años; A cuantas decadas equivalen 160.000 años?

1 década→10 años

          x    ←160.000 años

Debemos multiplicar 160.000 por 1 y luego dividir entre 10 ;

x=([tex]\frac{160.000x1}{10}[/tex])=16.000 décadas; en notación científica sería 16x10^3.

Respuesta: 160.000 años corresponde a 16.000 décadas.

Answer:

1.276 moles

Explanation:

molar mass of H2SO4 = 2(1)+(32)+4(16) = 98 g

So, there are (125g)(1 mol/98g) = 1.276 moles

1.276 moles are in 125 g of H[tex]_2[/tex]SO[tex]_4[/tex]. A mole is indeed a unit that enables us to correlate the mass of a material with its components.

It is defined as the amount of any material that has the same number of basic units as there are in a precisely measured sample of 12C that weighs 12 g. Latin's word for pile, stack, or assemblage is "mole." The number of entities that make up a mole was discovered via experimentation to be 6.022 X 1023.

A mole is indeed a unit that enables us to correlate the mass of a material with its components. The total of the masses of all the atoms that make up one mole of a molecule, expressed in grams, is what is known also as molecular mass or molar mass. A substance's molar mass may be calculated by multiplying its given mass by its g/mol density.

molar mass of H[tex]_2[/tex]SO[tex]_4[/tex] = 2(1)+(32)+4(16)

                                    = 98 g

mole= (125g)(1 mol/98g)

       = 1.276 moles

Therefore, 1.276 moles are in 125 g of H[tex]_2[/tex]SO[tex]_4[/tex].

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Answer:

Magnesium Phosphide has a formula of Mg3P2 . Magnesium is a metal cation with a charge of Mg+2. Phosphorus is a nonmetal anion with a charge of P−3. In order to bond ionically the charges must be equal and opposite

Explanation:

Answer:

It should be B

Explanation:

because I just searched it up if I'm wrong I'm wrong

Answer:transpiration just took the test

Explanation:

100%

The number of atoms of any element in the given chemical formula is the number that is written on the foot of the symbol of that element. Therefore, chlorine has the strongest attraction for electrons in a chemical bond.

Atom is the smallest particle of any matter. Atom combines to form element and element combine to form molecule or compound.

Atom consists of electron, proton and neutron. The total mass of atom is inside the nucleus. Inside the nucleus proton and neutron is there. So calculate mass of an atom, total mass of all protons is added to the total mass of neutron. Electrons revolve around the nucleus.

Electronegative element have greatest strongest attraction for electrons due to high effective nuclear charge. Among the given molecules, chlorine is the most electronegative element. Chlorine has the strongest attraction for electrons in a chemical bond.

Therefore, chlorine has the strongest attraction for electrons in a chemical bond.

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Answer:

Yes

Explanation:

One of the top goals of genetic engineering is the improvement of health. Imagine a world without the threat of AIDS or cancer. Those working in the genetics field hope that manipulating the genes of humans will one day enable science to prevent people from contracting these potentially deadly diseases.

Answer:

Synthesis reactions. Decomposition reactions. Combustion reactions.

Explanation:

Synthesis reactions. - Two or more reactants combine to make 1 new product

Decomposition reactions. - A single reactant breaks down to form 2 or more products.

Combustion reactions. - A single element or compound combines with oxygen gas releasing energy. This rapid oxidation is called burning.

es 3l por 0/0 (1234008×556098

Answer:

[tex]\boxed{\bold { \large { \boxed {KE=\frac{1}{2} mv^2 \ , \ PE=mgh}}}}[/tex]

Explanation:

Kinetic energy formula

[tex]\displaystyle KE=\frac{1}{2} mv^2[/tex]

Potential energy formula

[tex]\displaystyle PE=mgh[/tex]

[tex]\displaystyle KE \Rightarrow \sf kinetic \ energy \ (J)[/tex]

[tex]\displaystyle PE \Rightarrow \sf potential \ energy \ (J)[/tex]

[tex]\displaystyle m \Rightarrow \sf mass \ (kg)[/tex]

[tex]\displaystyle v \Rightarrow \sf velocity \ (m/s)[/tex]

[tex]\displaystyle g \Rightarrow \sf acceleration \ of \ gravity\ (m/s^2)[/tex]

[tex]\displaystyle h \Rightarrow \sf height \ (m)[/tex]

Answer:

Molar mass of the unknown gas is 64.6 g/mol

Explanation:

Let's think this excersise with the Ideal Gases Law.

We start from the N₂. At STP conditions we know that 1 mol of anything occupies 22.4L.

We apply: P . V = n . R . T

5 atm . V = 1 mol . 0.082 . 325K

V = (1 mol . 0.082 . 325K) / 5 atm = 5.33 L

It is reasonable to say that, if we have more pressure, we may have less volume.

As this is the volume for 1 mol of N₂, our mass is 28 g. Then, the density of the nitrogen and the unknown gas is 28 g/5.33L = 5.25 g/L

Our unknown gas has, this density at 27°C and 2 atm.

If we star from this, again: 1 mol of any gas occupy 22.4L at STP, we can calculate the volume for 1 mol at those conditions:

P₁ . V₁ / T₁ = P₂ . V₂ / T₂

1 atm . 22,4L / 273K = 2 atm . V₂ / 300K

Remember that the value for T° is Absolute (T°C + 273)

[ (1 atm . 22.4L / 273K) . 300K] / 2 atm = V₂ → 12.3L

This is the volume for 1 mol of the unknown gas at 2 atm and 27°C

We use density to determine the mass: 12.3 L . 5.25 g/L = 64.6 g

That's the molar mass: 64.6 g/mol

Answer:

[tex]\boxed {\boxed {\sf False}}[/tex]

Explanation:

Kinetic energy is the energy of movement or energy at work. An example is a ball rolling down a hill.

Potential energy is stored energy due to the position of an object. For example, a ball resting at the top of a hill.

The question incorrectly described potential energy as kinetic energy. Therefore, the answer is false.

Answer:

hydrogen

Explanation:

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Explanation:

number of moles = m/Mr and the process is in the picture

Answer:

A.? I think it is A hope it helps

Answer:

1.00 mol

Explanation:

Step 1: Given data

Molecules of water: 6.02 × 10²³ molecules

Step 2: Calculate the number of moles corresponding to 6.02 × 10²³ molecules of water

In order to convert molecules to moles, we need a conversion factor. In this case, we will use Avogadro's number: there are 6.02 × 10²³ molecules in 1 mole of molecules.

6.02 × 10²³ molecules × 1 mol/6.02 × 10²³ molecules = 1.00 mol (we keep 3 significant figures)

Answer:

I think it is Magma

Answer:

Explanation:

See  attached file .

The number of possible isomers of Bromodimethylbenze are 6. One of the isomers is 2 Bromo - m -xylene. The number of possible isomers of an aromatic compound [tex]\rm C_7H_8O[/tex]  are 5. One of these isomers has been o - cresol.

(a). Bromodimethylbenze has also been known as bromoxylene. The compound has been consisted of 1 benzene ring with 2 methyl groups and a bromine atom.

The possible isomers of bromoxylene are:

(b). Aromatic compound with formula [tex]\rm C_7H_8O[/tex] has been the benzene compound. The compound has been consisted of a benzene ring with 1 methyl group and oxygen atom.

The possible isomers of  [tex]\rm C_7H_8O[/tex] are:

Thus, the number of possible isomers of Bromodimethylbenze are 6. One of the isomers is 2 Bromo - m -xylene. The number of possible isomers of an aromatic compound [tex]\rm C_7H_8O[/tex]  are 5. One of these isomers has been o - cresol.

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Answer:  

A. unexpected change in odor

Explanation: Common physical changes include melting, change of size, volume, color, density, and crystal form. Example the classic baking soda and vinegar reaction provides evidence of a chemical change due to the formation of a gas and a temperature change.

Answer:

B) Cations lose electrons having a charge of positive.

Explanation:

Hello there!

In this case, it is widely known that ions are classified as positive cations and negative anions, since the former is produced when a metal loses electrons and the latter when a nonmetal gains electrons; in such a way, the correct choice is:

B) Cations lose electrons having a charge of positive.

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Answer:

Either B or A

Explanation:

The other answer said B, and I said either B or A, so anyone who is currently cheating on a chemistry test, try B