Voluntary muscles
a.are muscles that work automatically.
b.are only in your arms and legs.
c.are muscles that you can control.
d.are muscles that push.

Answer:

I recently answered this question. The response I submitted is included below. I beleive my answer should be correct.

Explanation:

Question 1:

C: 48.38g(1mol/12g) = 4.0317 

H: 8.12g(1mol/1.01g) = 8.12

O: 53.5g(1mol/16g) = 3.34375

Divide by the smallest amount (3.34375)

C = 4.0317/3.34375 = 1.206 = 1

H = 8.12/3.34375 = 2.42 = 2

O = 3.34375/3.34375 = 1

Empirical formula = CH2O

Question 2:

Molecular formula = n(empirical formula)

n = molar mass (compound)/molar mass (empirical)

Empirical formula: CH2O

Molar mass of CH2O = 12 + 2x1 + 16 = 30 g/mol

Molar mass of compound: 180.15 g/mol

[tex]n = \frac{180.15g/mol}{30g/mol} = 6[/tex]

Molecular formula = C6H12O6

my teacher hasnt graded yet, but i got the same answer as the guy above. i did my best to explain the process for y'all if you genuinely don't understand/know how to do it. THE PROCESS IS VERY LONG, but youll get it eventually if i didnt help lol GOODLUCK

and yes, the molecular formula is C6H12O6

The term aldol condensation has to do with a reation in which a nucleophile attacks the carbonyl group of an aldehyde.

The term aldol condensation has to do with a reation in which a nucleophile attacks the carbonyl group of an aldehyde or a ketone to convert it to the enolate from which attacks another aldehyde or ketone at the carbonyl carbon to form the required product.

The structure of the organic product from the aldol condensation involving cyclopentanone is shown in the image attached to this answer.

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The proton transfer reaction between Cyanide and water can be written as; X^- + H2O -----> HX + OH^-

A proton transfer reaction is one in which a proton is moved from one chemical specie to another.It is in fact and acid - base reaction in the Brownstead - Lowry sense.

The proton transfer reaction between Cyanide and water can be written as(Let the cyanide ion be shown as X);

X^- + H2O -----> HX + OH^-

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The proton transfer reaction to form hydrogen cyanide and hydroxide is

X⁻ + H₂O → HX + OH⁻

A reaction in which a proton H⁻ is removed from one species and accepted by another species.

An example of a proton transfer is Brønsted acid reacting with a Brønsted base.

Thus, the proton transfer reaction to form hydrogen cyanide and hydroxide is X⁻ + H₂O → HX + OH⁻

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#SPJ4

Answer:

products, it's answer A.

Answer:

products

Explanation:

Forces can cause objects to accelerate , decelerate , stop , start moving , change direction , change shape , or even turn

Agar is used as a solidifying agent in culture media instead of gelatin because it readily melts and it contains no nutrition for bacteria cultures.

Agar is a gelatinous material obtained from red algae and used in the preparation of culture medium.

Agar is used to solidify the culture medium for bacteria growth, although, gelatin can also be used.

However, agar is preferred as a solidifying agent in culture media instead of gelatin because it readily melts and it contains no nutrition for bacteria cultures.

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When the product is added to the solution, it will shift the reaction forward.

Carbonation is a form of chemical reaction in which carbon dioxide is added to a solution to give carbonates, bicarbonates, and carbonic acid. In chemistry, the term is used in place of carboxylation to form carboxylic acids

When a product is added to a system, the equilibrium will shift to the left, so as to produce more reactants but if the reactants is remove from the system, equilibrium will also be shifted to the left.

Therefore, When the product is added to the solution, it will shift the reaction forward.

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Answer:

Phosphorus

Explanation:

Actually that's red Phosphorus

Answer:

Option B. ( Phosphorus)

Explanation:

Here, we want to select the option which is the main component present in the striking surface of a matchbox

The correct choice here is phosphorus

Red phosphorus which is an allotrope of phosphorus finds use in this particular case. It is the main chemical component present in the striking surface of a matchbox.

Hope this helps!

If you have any queries please ask.

Answer:

Ammonium carbonate is a neutral molecule. Charge on NH4 is +1 , so on (NH4)2 is +2 ( +1 * 2) ,lets take the charge on C to be x and O is -2 , so on O3 is -6 (3*-2). Therefore x= + 4. Hope it helps.

Explanation:

Answer:

the N at the top is north bottom is south w on your left is west and e of your right is east

Answer:

2.1×6.02×1023÷ 14

9.03×1022 atom of nitrogen

Explanation:

The new pressure of gas when the volume of the gas is increase to 321 L at 125 °C is 212.46 torr

How to determine the new pressure

The new pressure of the gas can be obtained by using the Boyle's law equation since the temperature is constant. This is illustrated below:

P₁V₁  = P₂V₂

248 × 275 = P₂ × 321

68200 = P₂ × 321

Divide both side by 321

P₂ = 68200 / 321

P₂ = 212.46 torr

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The molecular formula of the compound that has a percent composition of 38.7% carbon, 9.76% hydrogen, 51.5% oxygen is C2H6O2.

The molecular formula can be calculated from the empirical formula. The empirical formula of the compound is calculated as follows:

Next, we convert the mass to moles by dividing by their atomic mass:

Next, we divide by the smallest (3.22)

Hence, the empirical formula of the compound is CH3O

If the molar mass of the compound is 62g/mol;

(CH3O)n = 62

31n = 62

n = 2

(CH3O)2 = C2H6O2

Therefore, the molecular formula of the compound that has a percent composition of 38.7% carbon, 9.76% hydrogen, 51.5% oxygen is C2H6O2.

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The intermolecular forces present in B will be much stronger than the intermolecular forces present in A.

The term intermolecular forces has to do with the forces that hold molecules of a substance together in a particular state of matter. Now, we can see that B must contain dipole - dipole interaction while A has none of these.

It then follows that the intermolecular forces present in B will be much stronger than the intermolecular forces present in A.

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Answer:

So that we know how many electrons are thre in which shell and how many shells are present in an atom....

Explanation:

Hope it helps!!!

The next stage of exploration should be gathering information about the planetary system.

Once we confirm other planetary systems, the next stage of exploration should be the use of instruments that helps us to collect information about that planetary objects so we can conclude that the next stage of exploration should be gathering information about the planetary system.

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Salts such as [tex] Na_{2} SO_{4}[/tex] are used in softening of hard water.

Hardness of water is the presence on water of dissolved metallic ions such as calcium and magnesium ions results in the water having additional properties such as taste.

Hardness of water is of significance in the laundry industry as it causes water to lather with difficulty and also produces sc_um.

To remove hardness of water or to soften water, salts such as [tex] Na_{2} SO_{4}[/tex] are used.

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The molar mass of this compound is 0.004 m/g

Firstly, molar mass is moles/grams so we need to solve for the number of moles and we were already given the grams (205 g).

So to solve for moles we were given 205 g, 20.0 L, 273 K and 1.00 atm. Knowing these numbers we can plug them into the ideal gas law, PV=nRT

where P is pressure, V is volume, n is number of moles, R is the gas constant (in this case it is 0.08206) and T is the temperature.

[tex]PV=nRT\\\\n=\frac{PV}{RT}\\\\n=\frac{1.00*20.0}{0.08206*273} =0.893[/tex]

Next, we use moles and grams to solve for molar mass:

[tex]\frac{0.893}{205} =0.004[/tex]

As temperature increases, the average kinetic energy of a sample of gas molecules decreases.

If enough HCl is not added, the percent yield will be lower as all the magnesium metal has not reacted with HCl.

The percent yield of a reaction is the ratio of the actual yield and the expected yield expressed as a percentage.

The reaction between magnesium metal and HCl liberates hydrogen gas and forms magnesium chloride salt.

If enough HCl was not added to react with all the magnesium metal, the actual yield will be lower.

Hence, percent yield will be lower as well.

Therefore, the percent yield will be lower if all the magnesium metal has not reacted with HCl.

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Answer:

Molten cryolite is the substance which serves as an electrolyte in the diagram.

This is defined as a substance that conducts electricity when dissolved in water.

Molten cryolite serves as the electrolyte as it helps dissolve molten aluminium oxide and increases the conductivity of the solution which was why it was chosen as the most appropriate choice.

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Answer: Molten cryolite

Explanation: Molten cryolite serves as the electrolyte as it helps dissolve molten aluminium oxide and increases the conductivity of the solution which was why it was chosen as the most appropriate choice.

Answer:

Chemical formula of Oxygen is O2.

We know ,

1 mole of a substance contains 6.022×10^23, Avogadro’s Constat.

Here, Molar mass of O = 16u

And molar mass of O2 = 32u

And 32g of O2 = 1 mole of O2

It means that,

32g of O2 = 6.022×10^23 molecules

Answer:

The correct answer is given in the picture

This ANSWER IS ONLY CORRECT WHEN Oz STAND FOR OZONE

Answer:

can you show us the list

Explanation:

Answer:

The actual reaction to make water is a bit more complicated: 2H2 + O2 = 2H2O + Energy. In English, the equation says: To produce two molecules of water (H2O), two molecules of diatomic hydrogen (H2) must be combined with one molecule of diatomic oxygen (O2). Energy will be released in the process.

Explanation:

The extra conversion of concentration of reactant and product should be zero in order to attaining equlibrium state.

Chemical equilibrium refers to the state in which both the reactants and products are present in equal concentrations or amount. In equlibrium, same amount of reactant is converted into product and product into reactant.

So we can conclude that the extra conversion of concentration of reactant and product should be zero in order to attaining equlibrium state.

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Answer:

Ammonia and oxygen without catalyst | NH3 + O2 → N2 + H2O. With supply of heat, ammonia reacts with oxygen and produce nitrogen gas and water as products. Nitrogen of ammonia is oxidized to nitrogen gas from -3 oxidation state to 0 oxidation state.

Explanation: