GIVING 38 POINTS AWAY PLEASE HELP ME WITH BOTH QUESTIONS!!!!

Answer:

Change in colour will be the answer.

so, here's your answer, 15.5L (appr)

Answer:

1.3175675675675604

Explanation:

does this need to be rounded?

Answer:

its a chemical property

Explanation:

Answer:

A. PO4^3-

Explanation:

took the quiz on a pex

The conjugate base of HPO₄²⁻ is PO₄³⁻. Therefore, option (A) is correct.

The Bronsted-Lowry concept can be explained as an acid-base reaction where base and acid react with each other and by an exchange of proton acid, forms its conjugate base and the base generates its conjugate acid.

The Bronsted-Lowry theory is an extended version of Arrhenius's theory of acid-base. According to this concept, acid can be defined as a substance that donates a hydrogen ion or a proton and produces its conjugate base and the base can be defined as a substance that accepts a proton and creates its conjugate acid.

Bronsted-Lowry acid in the dissociation form can be represented as:

Acid   ⇄   Conjugate base +   H⁺

The conjugate base of Bronsted-Lowry acid HPO₄²⁻ can be represented as follows:

HPO₄²⁻   ⇄  PO₄³⁻ +   H⁺

Therefore, PO₄³⁻ is the conjugate base of the Bronsted-Lowry acid HPO₄²⁻​.

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Answer: Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.

Explanation:

Answer:

carbon dioxide + sun = sugar and o2

Explanation:

During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. These sugar molecules are the basis for more complex molecules made by the photosynthetic cell, such as glucose.

hope that helps have a great day

Answer:

Substance-I just did this

Explanation:

Something that is made of all the same atoms or groups of atoms is called element. Atoms from at least one or maybe more elements.

A substance that's unable to be converted into another substance is known as an element. Each of the approximately 100 elements has a unique form of atom. Atoms from at least one or maybe more elements are present in everything in the cosmos.

All known elements are listed in the periodic table, with those with related properties being grouped together. The majority of elements are lustrous metals that are excellent conductors of electricity. Iron, gold, and aluminum are metals that are solid at ambient temperature.

Therefore, something that is made of all the same atoms or groups of atoms is called element.

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Answer:

light energy

.................

Answer:

light energy

Explanation:

heat does not effect how we see

the sun does not have sound

electrical energy does not effect how we see

Answer:

Explanation:

Zoom in we can't see it dude

Answer:

but what is your question? it's just like the moon going around earth while earth along with all the other planets revolve around the sun

Explanation:

Answer:

8.82 kg es la masa total de leche

Explanation:

Consideraremos que el volumen de cada bolsa de leche es de 900 mL.

Sabiendo que tenemos en total 7 bolsas, el volumen final en litros que tenemos disponible es de:

900 mL . 7 = 6300 mL

Utilizando la densidad podemos calcular la masa de leche que tenemos en el total de las 7 bolsas

Densidad = masa / volumen

Densidad . volumen = masa → 1.4 g/mL . 6300 mL = 8820 g

Convertimos la masa de gramos a kg

8820 g . 1 kg /1000g = 8.82 kg

Answer:

ΔG° = 80 Kj/mole

Explanation:

ΔG° = -R·T·ln(Kw)

R = 0.008314 Kj/mol·K

T = 25°C = 298K

Kw = 1 x 10⁻¹⁴

ΔG° = -R·T·ln(Kw) -(0.08314Kj/mol·K)(298K)ln(1 x 10⁻¹⁴)

= -(0.008314)(298)(-32.2)Kj/mole

= 79.78Kj/mole ≈ 80Kj/mole (1 sig.-fig.)

The change in free energy for the autoionization of water at 25°C is -79.9 KJ

Using the formula;

ΔG = -RTlnK

ΔG  = change in free energy = ?

R = gas constant = 8.314 J/K/mol

T = temperature = 298 K

K = equilibrium constant = 1.0 X 10^-14

Substituting into the given formula as;

ΔG = -  (8.314 J/K/mol × 298 K × ln(1.0 X 10^-14))

ΔG = -7.99 × 10^4 J/mol or -79.9 KJ/mol

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Answer:

no reaction will occur .

Answer:

A mixture is when two substances are physically combined and can be taken apart.

Explanation:

my words

Answer:

4 covalent bonds

Explanation:

Answer:

A, B, C

Explanation:

Answer:

C. reproduction​

Explanation:

Answer:

45.3 KPa

Explanation:

From the question given above, the following data were obtained:

Total pressure (Pₜ) = 101.3 KPa

Pressure of Hydrogen (Pₕ) = 56 KPa

Pressure of Oxygen (Pₒ) =?

The pressure of oxygen in the mixture can be obtained as follow:

Pₜ = Pₕ + Pₒ

101.3 = 56 + Pₒ

Collect like terms

101.3 – 56 = Pₒ

Pₒ = 45.3 KPa

Thus, the pressure of oxygen in the mixture is 45.3 KPa

Answer:

it gained

Explanation:

therefore it is an anion cause it is negatively charged ion

Answer:

I cant see it sorry

Explanation:

Post another one

Answer:

a. Wiley has to find a way out of the tree he ran up.

b. Wiley has to trick the Hairy Man into turning himself into animals.

c. Wiley has to ask his mama for help to defeat the Hairy Man.

d. Wiley has to defeat the Hairy Man three times to make him go away.

Answer:

Wiley has to defeat the Hairy man three times to make him go away

Explanation:

Answer:

6

Explanation:

if you start with 12 atoms of carbon and its called the half life of carbon what is half of 12

Answer:

6 Atoms

Explanation:

Ap3x

Answer:

The nuclei of most atoms also contain neutrons . The masses of subatomic particles are very tiny. ... Since the nucleus contains protons and neutrons, most of the mass of an atom is concentrated in its nucleus. Protons and electrons have electrical charges that are equal and opposite.

There are 2 places where charge is located in the atom:

the nucleus contains neutrons (zero charge) and protons (positive charge)

Around the nucleus there are electrons located on electron shields and the charge of electrons is equal to the charge of protons in the nucleus, but have negative sign.

To sum it all up we can say that the charge of protons in the nucleus is reduced by the charge of electrons on the orbits to make the atom electrically neutral.

The maximum number of mole of water that can be produced is 3 moles (Option A)

C₅H₁₂ + 8O₂ —> 5CO₂ + 6H₂O

From the balanced equation above,

8 moles of O₂ reacted to produce 6 moles of H₂O

From the balanced equation above,

8 moles of O₂ reacted to produce 6 moles of H₂O.

Therefore,

4 moles  of O₂ will react to produce = (4 × 6) / 8 = 3 moles of H₂O.

Thus, we can conclude that the maximum mole of water produced is 3 moles

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Answer:

B) Products

Explanation:

Answer:

B. products

Explanation:

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Answer:

7.2 moles

Explanation:

Since the equation is balanced, we can use a mole ratio. 6 moles of HCl : 2 moles of Al. Thus, to convert, we simply multiply by 3.

Answer:

7.2 moles of HCl

Explanation:

The balanced reaction equation of the reaction is;

2 Al + 6 HCI ---------> 2 AlCl3 + 3 H2

We can see from the reaction equation that;

6 moles of HCl reacts with 2 moles of Al

Hence;

x moles of HCl reacts with 2.4 moles of Al

x = 6 * 2.4/2

x = 7.2 moles of HCl