40 points for this question PLEASE HELP SOMEONE ILL GIVE BRAINLIEST

Answer:

In algae or any other photosynthetic organism, there is the internalization of carbon dioxide gas in the reaction with water in the presence of sunlight to produce sugar molecules and oxygen gas in the atmosphere. So, photosynthesis is the process that releases or produces oxygen gas.

In cellular respiration (aerobic) the product of photosynthesis, glucose molecules, and oxygen react to produce the energy and releases carbon dioxide and water as byproducts.

The given question is incomplete, it lacks the diagrams (choices), however, the correct choices are attached as image:

The diagrams accurately represent the use of gases in both cellular respiration and photosynthesis is - diagram d. (check image)

CELLULAR RESPIRATION:

PHOTOSYNTHESIS

6CO2 + 6H2O = C6H12O6 + 6O2

Thus, The correct choice of the diagram is - diagram d.

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Answer:

hail Hydra kandksmak Yes

Answer:

12.2 g

Explanation:

Step 1: Write the balanced equation for the synthesis of SO₃ from S

S + 1.5 O₂ ⇒ SO₃

Step 2: Calculate the moles corresponding to 4.91 g of S

The molar mass of S is 32.07 g/mol.

4.91 g × 1 mol/32.07 g = 0.153 mol

Step 3: Calculate the theoretical yield, in moles, of SO₃ from 0.153 moles of S

The molar ratio of S to SO₃ is 1:1. The moles of SO₃ produced are 1/1 × 0.153 mol = 0.153 mol.

Step 4: Calculate the mass corresponding to 0.153 moles of SO₃

The molar mass of SO₃ is 80.06 g/mol.

0.153 mol × 80.06 g/mol = 12.2 g

Answer:

C. is the answer i did the test and it was right.

Answer:

is D

Explanation:

largest bear population Feb 2000

Answer:

No

Explanation:

it will not be a irreversible change because u can give back the pen if it is in its original state and the shop keeper might accept it back that is what mostly happens. if the pen breaks or is used then it might me called a irreversible change until then it is reversible if not used yet.

thank u

Answer:

No

this is reversible because you can return the pen.

Explanation:

your answer willing be 8.7

es 3l por 0/0 (1234008×556098

não se esqueça de mim não sei

3

2

1

4

6

5

not a 100% sure but i think this is it.

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.

8.68 g CH₃(CH₂)₈(OH)₂

Math

Pre-Algebra

Order of Operations: BPEMDAS

Chemistry

Atomic Structure

Stoichiometry

Step 1: Define

3.24 × 10²² molecules CH₃(CH₂)₈(OH)₂

Step 2: Identify Conversions

Avogadro's Number

[PT] Molar Mass of C - 12.01 g/mol

[PT] Molar Mass of H - 1.01 g/mol

[PT] Molar Mass of O - 16.00 g/mol

Molar Mass of CH₃(CH₂)₈(OH)₂ - 12.01 + 3(1.01) + 8[12.01 + 2(1.01)] + 2[16.00 + 1.01] = 161.3 g/mol

Step 3: Convert

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

8.67838 g CH₃(CH₂)₈(OH)₂ ≈ 8.68 g CH₃(CH₂)₈(OH)₂

Answer:

6.52×10⁴ GHz

Explanation:

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

Wavelength (λ) = 4.6 μm

Velocity of light (v) = 2.998×10⁸ m/s

Frequency (f) =?

Next we shall convert 4.6 μm to metre (m). This can be obtained as follow:

1 μm = 1×10¯⁶ m

Therefore,

4.6 μm = 4.6 μm × 1×10¯⁶ m / 1 μm

4.6 μm = 4.6×10¯⁶ m

Next, we shall determine frequency of the light. This can be obtained as follow:

Wavelength (λ) = 4.6×10¯⁶ m

Velocity of light (v) = 2.998×10⁸ m/s

Frequency (f) =?

v = λf

2.998×10⁸ = 4.6×10¯⁶ × f

Divide both side by 4.6×10¯⁶

f = 2.998×10⁸ / 4.6×10¯⁶

f = 6.52×10¹³ Hz

Finally, we shall convert 6.52×10¹³ Hz to gigahertz. This can be obtained as follow:

1 Hz = 1×10¯⁹ GHz

Therefore,

6.52×10¹³ Hz = 6.52×10¹³ Hz × 1×10¯⁹ GHz / 1Hz

6.52×10¹³ Hz = 6.52×10⁴ GHz

Thus, the frequency of the light is 6.52×10⁴ GHz

7 if not exposed to the environment

Answer:

(H20) is 7 at 25oC,

Explanation: hope this helps but when exposed to the carbon dioxide in the atmosphere this equilibrium results in a pH of approximately 5.2.

Answer:

12.33

Explanation:

92.5/7.5= 12.33

30g of the sterling silver ring contains, 27.75 g of silver and 2.25 g of copper.

Cross multiply fractions by multiplying one fraction's denominator by the other fraction's numerator and then comparing the two values. The larger fraction is the one with the higher value.

Therefore,

( cross multiplication),

100 × X = 92.5 × 30

X = 92.5 × 30/ 100

100g sterling silver = 7.5g copper

30g sterling silver= Y g copper

(cross multiply)

100 × Y =  7.5 × 30

Y= 7.5 × 30 / 100

therefore, 30g of sterling silver ring contains, 27.75 g of silver and 2.25 g of copper.

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Answer:

[tex]m_X=128.44 a.m.u[/tex]

Explanation:

Hello there!

In this case, since the average atomic mass of an element, when given the atomic mass and the percent abundance of the naturally occurring isotopes is computed as shown below for this unknown element:

[tex]m_X=126*0.22+128*0.34+130*0.44[/tex]

Whereas the atomic mass of each isotope is multiplied by the percent abundancy; we obtain:

[tex]m_X=128.44 a.m.u[/tex]

Best regards!

Considering the definition of atomic mass, isotopes and atomic mass of an element, the atomic mass of the element is 128.44 amu.

First of all, the atomic mass (A) is obtained by adding the number of protons and neutrons in a given nucleus of a chemical element.

The same chemical element can be made up of different atoms, that is, their atomic numbers are the same, but the number of neutrons is different. These atoms are called isotopes of the element.

On the other hand, the atomic mass of an element is the weighted average mass of its natural isotopes. In other words, the atomic masses of chemical elements are usually calculated as the weighted average of the masses of the different isotopes of each element, taking into account the relative abundance of each of them.

In this case, you know:

Then, the average mass of lithium can be calculated as:

126 amu×0.22 + 128 amu×0.34 + 130 amu×0.44= 128.44 amu

Finally, the atomic mass of the element is 128.44 amu.

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Answer:

Molar mass of Z in solution A is 148.2 g/mol.

Explanation:

To solve this, we need to use colligative property about vapor pressure.

In any ideal solution, the vapor pressure of solution is lower than vapor pressure of pure solvent. Formula is:

ΔP = P° . Xm

ΔP = Vapor pressure of pure solvent - Vapor pressure of solution

At the normal boiling point of water (100°C), vapor pressure is 760 mmHg.

Let's replace in the formula, to find out Xm (mole fraction of solute)

760 mmHg - 754.5 mmHg = 760 mmHg . Xm

(760 mmHg - 754.5 mmHg) / 760 mmHg = Xm

Xm → 0.00724

Mole fraction of solute = moles of solute /total moles (st + sv)

In this case, our mole fraction will be

(6 g / MM) / ( (6 g/ MM + 100 g / 18g/mol) = 0.00724

Our unknown is MM (molar mass of Z). We solve the equation:

6 g / MM = 0.00724 . ((6 g/ MM + 100 g / 18g/mol))

6 g / MM =  0.04344 g /MM + 0.0402 g/mol

6 g/MM - 0.04344 g /MM = 0.0402 g/mol

5.95656 /MM = 0.0402 g/mol

5.95656 / 0.0402 g/mol = MM → 148.2 g/mol

The molar mass of Z in solution A is 150 g/mol.

Based on the given information,

• The mass of water given is 100 grams.

• The mass of solute given is 6 grams.

• It is known that the molar mass of water is 18 gram per mole.  

Now the moles of water can be calculated as,

[tex]n = \frac{mass}{molar mass}[/tex]

Now putting the values we get,

[tex]n = \frac{100 g}{18 g/mol} \\n = 5.5556 moles[/tex]

• It is known that the vapor pressure of water at 100 degree C (Po) is 760 mmHg.

• The given vapor pressure of solution at 100 degree C is 754.5 mmHg.

• Based on Raoult's law, the vapor pressure of solution = mole fraction of water * Po of water.

The mole fraction of water is,

[tex]= \frac{754.5 mmHg}{760 mmHg} \\= 0.9928[/tex]

The mole fraction of solute is,

[tex]= 1-0.9928\\= 0.00722[/tex]

The mole fraction of solute = n1/n1+n2

Now putting the values we get,

[tex]\frac{n1}{n1+n2} = 0.00722\\\frac{n1+n2}{n1} = \frac{1}{0.00722} \\[/tex]

[tex]\frac{n1+5.56 mol}{n1} = 138.50\\n1 = \frac{5.56 mol}{138.50} \\n1 = 0.040 mol[/tex]

Now the molar mass of solute, Z is,

[tex]Molar mass = \frac{mass}{moles} \\Molar mass = \frac{6.0 grams}{0.04 mol} \\Molar mass = 150 g/mol[/tex]

Thus, the molar mass of Z in solution A is 150 g/mol.

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Answer:

X

Explanation:

Liquid X has higher vapor pressure because the greater the temp the weaker and the lower the temp the stronger/faster... :)

Answer:

Point B is in Between two convection, and is just below a ridge . This cause the cell to turn left because the flow of fluid hits the bottom of the crust this is the best I can do to Help you understand.

Answer:

720

Explanation:

4 m/s

60 seconds

                            = 180 seconds

3 minutes

4 m/s

                             = 720 m/s

180 seconds

Answer:

Explanation:

A conjugate base of HIO3 is IO3– ion

The chemical formula of the conjugate base of the Bronsted Lowry acid HIO₃ can be represented as IO₃⁻.

According to Bronsted - Lowry theory, acid is a substance that donates a proton or H⁺ ion and forms its conjugate base while the base is a substance that accepts a proton or H⁺ ion and forms its conjugate acid.

Bronsted-Lowry acid donates a proton to the other compound and forms a conjugate base.

Acid   ⇄   Conjugate base  +   Proton

If a conjugate base accepts a proton back then acid reforms.

The Bronsted-Lowry base is a substance that accepts a proton from other compounds.

Base + Proton ⇄ Conjugate acid

If a conjugated acid donates its proton then the base reforms.

The conjugate base of the Bronsted-Lowry acid HIO₃ is:

HIO₃  ⇄  H⁺ +  IO₃⁻

Therefore, the conjugate base of the Bronsted-Lowry acid HIO₃ is IO₃⁻.

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Answer:

[tex]320.8329\ \text{g}[/tex]

Explanation:

[tex]n[/tex] = Moles of [tex]CO_2[/tex] = [tex]7.29\ \text{moles}[/tex]

[tex]M[/tex] = Molar mass of [tex]CO_2[/tex] = [tex]44.01\ \text{g/mol}[/tex]

Mass is given by

[tex]m=nM[/tex]

[tex]\Rightarrow m=7.29\times 44.01[/tex]

[tex]\Rightarrow m=320.8329\ \text{g}[/tex]

The mass of the [tex]CO_2[/tex] gas will be [tex]320.8329\ \text{g}[/tex].

Answer:

60 g

Explanation:

Mass = Density × Volume

Mass = 1.25 × 48

Mass = 60 g

I hope this helps!

Answer:

A

Explanation:

it is no longer going to unripen/ went through a chemical reaction                                                                                

Answer:

physical

Explanation:

if it is asking to determine what it is a sign of or how to identify that characteristic it would be a physical.

Answer:

pickles are ligit good

Explanation:

i like pickles but not his

Answer:

7

Explanation:

Answer:

Answer:

It can come from unstable atoms that undergo radioactive decay, or it can be produced by machines. Radiation travels from its source in the form of energy waves or energized particles. There are different forms of radiation and they have different properties and effects