Glucose is broken down into
contraction
which is a usable form of energy used to perform processes in living cells such as muscle
O DNA
О АТР
O Enzymes
O Sucrose

Answer:

i think its c

Explanation:

Answer:

It would be 2 and 3

The image shows the structure of an atom, I hope it helps :)

To see the number of atoms of an element in a given molecule we need to multiply stoichiometry to the number that is written on the foot of the element that is stoichiometry. Therefore, the correct option is option 2,3.

Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit.

In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. So overall the charge of nucleus is due to only proton, not by neutron. The nucleus contains all the positive charge of an atom. Electrons surround the nucleus and account for the majority of an atom's volume.

Therefore, the correct option is option 2,3.

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Answer:

0.60 M

Explanation:

Given data:

Mass of MgS = 32.9 g

Volume of solution = 971 mL (0.971 L)

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

Number of moles of MgS:

Number of moles = mass/molar mass

Number of moles = 32.9 g/ 56.38 g/mol

Number of moles = 0.58 mol

Molarity of solution:

M = 0.58 mol/ 0.971L

M = 0.60 M

Answer:

the first one(atoms only give off certain frequencies)

Explanation:

Answer:

V = 43.95 L

Explanation:

Given data:

Mass of CH₄ decomposed = 15.63 g

Volume of H₂O produced at STP = ?

Solution:

Chemical equation:

CH₄ + 2O₂    →       2H₂O  + CO₂

Number of moles of CH₄:

Number of moles = mass/molar mass

Number of moles = 15.63 g/ 16 g/mol

Number of moles = 0.98 mol

Now we will compare the moles of H₂O with CH₄.

                         CH₄              :              H₂O

                           1                 :                2

                        0.98             :            2×0.98 = 1.96 mol

Volume of hydrogen:

PV = nRT

1 atm × V = 1.96 mol × 0.0821 atm.L/mol.K × 273.15 K

V = 43.95atm.L / 1atm

V = 43.95 L

Answer:

What is the question?

Answer:

B. Suspension

Explanation:

A suspension is an heterogenous mixture in which the large particles settle out when not disturbed, thus ,can easily be separated by filtration.

An example is a mixture of sand and water.  When left for a while the sand particles are clearly visible at the bottom of the container if its transparent.

Answer:

The molarity is 6.0 M.

Explanation:

The concentration of a solution is the amount of solute present in a given amount  of solvent, or a given amount of solution.

In this problem, we are asked to convert percent by mass to molarity, which are two different concentration units.

The percent by mass is the ratio of the mass of a solute to the mass of the solution, multiplied by 100 percent. On the other hand, molarity (M) is defined as the number of moles of solute per liter of solution.

If we have 17.15 percent chloride ion, that means that we have 17.15 grams of chloride ion in 100 grams of solution. The density provided is the density of the solution, so we calculate how many mL correspond to 100 grams of solution:

1.23 g ----------- 1 mL

100 g ------------ x= 81.3 mL

Therefore, 17.5 grams of chloride ion are contained in 81.3 mL. Now we need to convert these grams into moles.

The atomic mass of chlorine is 35.5 g/mol:

35.5 g --------------- 1 mol

17.5 g --------------- x= 0. 49 mol

This 0.49 moles are contained in 81.13 mL, the definition of molarity says that this moles are contained in a liter (or what is the same, 1000 mL):

81.3 mL --------------- 0.49 mol

1000 mL ------------- x= 6.0 M

The molarity of the chloride ion will be 6.0 M.

Answer:

Fast and slow free-radical recombination reactions in thermal breakdown. As thermally induced bond-cleavage reactions and the depolymerisation of coals accelerate above 350–375°C, the more reactive of the free radicals have greater potential to undergo either retrogressive or quenching (cappin

Explanation:

Answer: C

Explanation:

Answer:

In addition to aluminium, the main materials in duralumin are copper, manganese and magnesium.

Answer:

The original composition has been varied for particular applications; it may contain about 4 percent copper, 0.5–1 percent manganese, 0.5–1.5 percent magnesium, and, in some formulations, some silicon.

Answer:

D)Gas particles move rapidly and have space between them.

Explanation:

Matter exists in three states namely: solids, liquids and gases. The particles contained in these three states are different from one another. In the gaseous state, the particles are FAR APART from one another i.e. space exists and they move at a very fast rate in contrast to the particles of a liquid, which have less space and move slower.

This rapid movement of gas particles within a less restricted space accounts for the reason why gaseous substances DIFFUSE more quickly than liquids.

Answer: choice 2

Explanation:

Answer:

4.3x10⁻⁵ mol/L.

Explanation:

Hello there!

In this case, since the dissolution of silver phosphate is not completely achieved due to its low solubility in water, we can represent this as an equilibrium problem by which it separates into silver and phosphate ions:

[tex]Ag_3PO_4(s)\rightleftharpoons 3Ag^+(aq)+PO_4^{3-}(aq)[/tex]

Which are slightly soluble in water; it means that the equilibrium expression is:

[tex]Ksp=[Ag^+]^3[PO_4^{3-}][/tex]

Thus, since we know the solubility product and the concentration of these ions in a saturated solution is represented by the reaction extent [tex]x[/tex], we can write:

[tex]8.9x10^{-17}=(3x)^3(x)[/tex]

Thus, solving for [tex]x[/tex] we obtain:

[tex]x=\sqrt[4]{\frac{8.9x10^{-17}}{27} } \\\\x=4.3x10^{-5}M[/tex]

Thus, the molar concentration of silver ions is 4.3x10⁻⁵ mol/L.

Best regards!

Answer:

At 10ºC or 50ºF water can cotain the most dissolved sugar.

Answer:

True, it undergoes a physical change.

Explanation:

A physical change is a change that does not change the chemical makeup of a material. This includes altering its shape.

In the electronic circuit, the function of battery is to push the electrons through the circuit.

An electronic circuit comprises of individual electronic components like resistors, diodes,transistors , capacitors,etc. which are connected to each other by means of wires through which electric current flows.It can also be referred to as an electronic circuit.

It usually comprises of at least one active component . The combination of wires and simple and complex components allows operations to be performed, amplification of signals, displacement of data and performing of computations.

There are three types of circuits , an analog circuit ,a digital circuit and a mixed circuit which is combination of digital and analog circuits , even semiconductors are used in circuits.

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Answer:

Explanation:

The density of a substance can be found by using the formula

[tex]density = \frac{mass}{volume} \\ [/tex]

From the question we have

[tex]density = \frac{18}{24} = \frac{3}{4} \\ [/tex]

We have the final answer as

Hope this helps you

Alloys are used much more than pure metals because they are generally stronger and less likely to react with air or water...

So I would say false

Answer:

CH

Explanation:

The empirical formular is the simplest formular of a compound. It shows the relative number of elements present in a compounds. It shows the number of atoms of elements present in simple ratios.

In both compounds, the ratio of the carbon to hydrogen s 1:1

In C2H2;

C : H = 2 : 2 (Which is equivalent to 1 : 1)

In C6H6;

C : H = 6 : 6 (Which is equivalent to 1 : 1)

This means the empirical formular is CH

Answer:

f = 0.534×10⁻² Hz

Explanation:

Given data:

Frequency of wave= ?

Wavelength of wave = 5.62×10¹⁰ m

Solution:

Formula:

Speed of wave = wavelength × frequency

Speed of wave = 3×10¹⁷ nm/s

λ  = 5.62×10¹⁰m×10⁹  nm/1 m = 5.62×10¹⁹ nm

Now we will put the values in formula.

3×10¹⁷ nm/s = 5.62×10¹⁹ nm ×  f

f = 3×10¹⁷ nm/s  / 5.62×10¹⁹ nm

f = 0.534×10⁻² s⁻¹   or

f = 0.534×10⁻² Hz

10.8

7.2mol*3/2=10.8mol.

10.8 moles of H₂SO₄ is required for the reaction.

The balanced equation for the reaction is given below:

From the balanced equation above,

2 moles of Al required 3 moles of H₂SO₄.

Finally, we shall determine the number of mole of H₂SO₄ required to react with 7.20 moles of Al.

This can be obtained as follow:

From the balanced equation above,

2 moles of Al required 3 moles of H₂SO₄.

Therefore,

7.20 moles of Al will require = [tex]\frac{7.2 X 3}{2} \\\\[/tex] = 10.8 moles of H₂SO₄

Thus, 10.8 moles of H₂SO₄ is required for the reaction.

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Answer:

Yes

Explanation:

Answer:

probaly C

Explanation:

I'm not sure on this one...

Answer:

B & A

Explanation:

A Compound consists of two or more atoms from different elements, that are chemically bound together.

A electron carries a negative charge, because it is found in the electron cloud

If your wondering too, A proton carries A Positive charge.

Answer:

2 or more atoms from different elements that are chemically bonded together.

negative charge.

Answer:

[tex]1.75272\ \text{m}^3[/tex]

Explanation:

The breakdown reaction of ozone is as follows

[tex]CF_3Cl + UV \rightarrow CF_3 + Cl[/tex]

[tex]Cl + O_3 \rightarrow ClO + O_2[/tex]

[tex]O_3 + UV \rightarrow O_2 + O[/tex]

[tex]ClO + O \rightarrow Cl + O_2[/tex]

It can be seen that 2 moles of ozone is required in the complete cycle

So for 10 cycles, 20 moles of ozone is required

m = Mass of [tex]CF_3Cl[/tex] = 15.5 g

M = Molar mass of [tex]CF_3Cl[/tex] = 104.46 g/mol

P = Pressure = 24.5 mmHg

T = Temperature = 232 K

R = Gas constant = [tex]62.363\ \text{L mmHg/K mol}[/tex]

Number of moles is given by

[tex]n=\dfrac{m}{M}\\\Rightarrow n=\dfrac{15.5}{104.46}\\\Rightarrow n=0.1484\ \text{moles}[/tex]

[tex]20\ \text{moles} = 20\times 0.1484 = 2.968\ \text{moles}[/tex]

From ideal gas law we have

[tex]PV=nRT\\\Rightarrow V=\dfrac{nRT}{P}\\\Rightarrow V=\dfrac{2.968\times 62.363\times 232}{24.5}\\\Rightarrow V=1752.72\ \text{L}=1.75272\ \text{m}^3[/tex]

For 20 cycles of the reaction the volume of the ozone is [tex]1.75272\ \text{m}^3[/tex].

The Total volume of Ozone measured is =  1.7527 m³

Given data :

Mass  of  CF₃Cl = 15.5 g

Molar mass  of  CF₃Cl  = 104.46 g/mol

Pressure ( P ) = 24.5 mmHg

T = 232 K

Gas constant ( R ) = 62.363 L mmHg/K mol

Note : For a complete ozone cycle 2 moles of ozone is required therefore for 10 cycles 20 moles of ozone will be required

First step : Determine number of moles in each cycle reaction

n = m / M  ----- ( 1 )

m = mass = 15.5 g

M = molar mass = 104.46 g/mol

∴ n = 15.5 / 104.46 = 0.1484

Hence the number of moles in 10 cycle = 20 * 0.1484 = 2.968 moles

Next step : Apply Ideal gas law to determine the volume of Ozone

PV = nRT  ----- ( 2 )

n = 2.968

V = ?

R = 62.363 L mmHg/K mol

T = 232 K

P = 24.5 mmHg

∴ V = nRT / P --- ( 3 )

      = ( 2.968 * 62.363 * 232 ) / 24.5

      = 1752.72 L ≈ 1.7527 m³

Hence we can conclude that the Total volume of Ozone measured is =  1.7527 m³

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Answer:

Kr, Ar, Ne, N

Explanation:

Hope this helps