Predict the product of each monosaccharide oxidation reaction.

Answer:

A peninsula ( Latin: paeninsula from paene "almost" and insula "island") is a landform surrounded by water on most of its border while being connected to a mainland from which it extends.

Explanation:

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Answer:

I think it would be b. The octet rule states that transition metal group elements tend to react so that they attain a noble gas electron configuration.

Given that a single-displacement reaction occurred between two (2) reactants which were placed into a flask,  the potential identities of A, B, and X are: D. A = Mg, B = O, X = Cl.

A single-displacement reaction is also referred to as a single-replacement reaction and it can be defined as a type of chemical reaction wherein a single (one) chemical element of the reacting chemical compound is displaced (replaced) by a similar chemical element.

This ultimately implies that, a single-displacement reaction typically involves a single element displacing another chemical element within a chemical compound.

Note: A potential identity reveals the chemical symbol or name of a chemical element in a particular chemical reaction.

Given the following general reaction of scheme of:

                                     [tex]2AB+2X_2\rightarrow 2AX_2+B_2[/tex]

We would proceed to replace the variables with chemical elements as follows:

                                    [tex]2MgO+2Cl_2\rightarrow 2MgCl_2+O_2[/tex]

Therefore, the potential identities of A, B, and X are:

[tex]A = Mg\\\\B = O\\\\X = Cl[/tex]

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PS: Your question is lacking the necessary information, but I have provided them in the image attached.

Answer:

1 Adaptation

2 Gills

3 Aquatic

Answer:

B. Activated Carbon

Explanation:

Answer:

alkanes

Alkynes have the strongest bond. Followed by alkenes and then alkanes. This is because in alkynes there are 3 bonds between at least two carbons

A vessel that contains a mixture of nitrogen and butane has a pressure of 3.0 atm at 126.9 °C and a pressure of 1.0 atm at 0 °C. The mole fraction of nitrogen in the mixture is 0.33.

A vessel contains a gaseous mixture of nitrogen and butane. At 126.9 °C (400.1 K) the pressure is due to the mixture is 3.0 atm.

We can calculate the total number of moles using the ideal gas equation.

[tex]P \times V = n \times R \times T\\\\n = \frac{P \times V}{R \times T} = \frac{3.0 atm \times V}{0.082 atm.L/mol.K \times 400.1 K} = 0.091 mol/L \times V[/tex]

At 0 °C (273.15 K), the pressure due to the gaseous nitrogen is 1.0 atm.

We can calculate the moles of nitrogen using the ideal gas equation.

[tex]P \times V = n \times R \times T\\\\n = \frac{P \times V}{R \times T} = \frac{1.0 atm \times V}{0.082 atm.L/mol.K \times 400.1 K} = 0.030 mol/L \times V[/tex]

The mole fraction of nitrogen in the mixture is:

[tex]X(N_2) = \frac{0.030 mol/L \times V}{0.091 mol/L \times V} = 0.33[/tex]

A vessel that contains a mixture of nitrogen and butane has a pressure of 3.0 atm at 126.9 °C and a pressure of 1.0 atm at 0 °C. The mole fraction of nitrogen in the mixture is 0.33.

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Answer:

The product of transcription is RNA, which can be encountered in the form mRNA, tRNA or rRNA while the product of translation is a polypeptide amino acid chain, which forms a protein.

Explanation:

Answer:

A

Explanation:

Conducts electricity:

-Steel

-Gold

-Copper

-Aluminum

Does not conduct electricity:

-Plastic

-Glass

-Rubber

-Wood

Metallic bonding causes metals to conduct electricity. Some metals are more highly conductive than others.

Hope this helps :)

Answer:

The first table correctly classifies the materials.

Explanation:

In table 1, all the elements on the left side are transition metals, expect for steel. Steel is not an element, it's an alloy (Which is a combination of two or more elements).Transition metals are very good conductors of heat and electricity. The reason why transition metals make such good conductors is because their outer electrons can move freely in their atom.

The right side of table 1 correctly classifies the materials that do not conduct electricity. The reason why those materials are poor conductors is because they all have their electrons tightly bound to their atoms.

In table 2, it classifies copper has a poor conductor which is wrong. It also classifies wood as a good conductor which also wrong for the reasons I stated above.

Answer:

ok

Explanation:

Answer:

C

Explanation:

According to the concept of thermal energy, transfer of heat energy can be depicted by investigation of conduction through collisions between particles in space.

Thermal energy is defined as a type of energy which is contained within a system which is responsible for temperature rise.Heat is a type of thermal energy.It is concerned with the first law of thermodynamics.

Thermal energy arises from friction and drag.It includes the internal energy or enthalpy of a body of matter and radiation.It is related to internal energy and heat .It arises when a substance whose molecules or atoms are vibrating faster.

These vibrating molecules and atoms collide and as a result of which heat is generated in a substance , more the collision of particles , higher is the thermal energy.

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Answer:

false because if you round both of them

Answer:

337.5 g NaCl

Explanation:

.90% saline solution = 90g saline (NaCl)/100mL water (H2O)

1. Use 375 mL to find mass

375 mL × (90 g NaCl/100 mL) = 337.5 g NaCl in 375 mL .9% saline solution

The amount of sodium chloride dissolved in 375 ml of a 0.90% saline solution is 337.5 g.

The concentration can be calculated when we have the molecular formula and its molecular weight. The concentration of the solution is calculated as the weight of a solute divided by the volume of the solution.

The weight/volume percentage of the solution is determined in the following way.

W/v (%) = weight of the solute/Volume of the Solution ( in mL)

Given, the concentration of the saline solution = 0.90 %

0.90 % saline solution means 90 g of NaCl is dissolved in 100 ml of water.

Given, the volume of solution = 375 ml

100 ml of saline solution containing NaCl = 90 g

Then 375 ml of saline solution containing NaCl = 90 ×375/100 = 337.5 g

Therefore, the amount of NaCl is equal to 337.5 g.

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Answer: The energy of the photon is the exact energy that is lost by the electron moving to its lower energy level. When the electron changes from n=3 or above to n=2, the photons emitted fall in the Visible Light region of the spectra

Answer:

9

Explanation:

In a chemical equation, the subscript numbers next to each element's symbol tell us how many atoms of that element are in the substance. So, for example, in H₂O, there are 2 atoms of hydrogen since there is a "₂" next to the H.

What's next to our H in C₄H₉? It looks like "₉," so we can determine that there are 9 hydrogen atoms in C₄H₉ (which is butyl, by the way).

Hopefully that's helpful! :)

Answer:

1) 1, 1

3)1, 1

4) 1, 2

5) 2, 1

6) 1, 5

7) 2, 5

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The Correct choice is ~ B

Their atomic numbers increase 1 from left to right ~

The answer is A. The explanation is in the image.

On the top of the image where it just says equation:, that is part of the sentence "First we need to balance the equation:"

Answer:

The enthalpy change of the reaction is 4.78 × 10⁴ J.

Explanation:

We are given that 0.717 g of sodium metal reacts with hydrochloric acid to produce 7450 J of heat.

Converting grams of sodium to moles:

[tex]\displaystyle 0.717 \text{ g Na} \cdot \frac{1 \text{ mol Na}}{22.99 \text{ g Na}} = 0.0312 \text{ mol Na}[/tex]

And dividing the amount of heat produced by the moles of sodium reacted yields:

[tex]\displaystyle \Delta H = \frac{7450 \text{ J}}{0.312 \text{ mol Na}} = 2.39 \times 10^4 \text{ J/mol Na}[/tex]

Because the given reaction has two moles of sodium metal, we can multiply the above value by two to acquire the enthalpy change of the given reaction:

[tex]\displaystyle \Delta H = 2\text{ mol Na}\left(2.39 \times 10^4 \text{ J/mol Na}}\right) = 4.78 \times 10^4 \text{ J}[/tex]

In conclusion, the enthalpy change of the reaction is 4.78 × 10⁴ J.

The back torn of Camel is important because it acts as a storage facility for

fats.

Camels are found in desert regions where there is scarcity of

This makes the food it eats to get stored at the back in the hump

region as fats so as to enable it survive long periods of unavailability of food.

The fats are gradually metabolized into nutrients which is used by the body

cells to ensure adequate energy availability and optimal survival.

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Answer:

purity and pressure affects boiling point

Answer: ELEMENT

Explanation:

The role played by hydraulic fluid in a hydraulic machine is as a medium for

the transfer of force.

Hydraulic fluid is used primarily in a hydraulic machine for the transfer of

force from one point to another. This makes the system able to perform the

required functions.

Hydraulic fluid also has other functions such as being a coolant and as a

cleaning agent(removal of contaminants) which aren't its major function.

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Answer:

True!

Explanation:

Avogadro’s law means that if we compare the number of helium molecules and the number of air molecules needed to inflate the same balloon, we would find the numbers the same.

The balloon filled with helium air, and the one blown by oneself with the same amount of air have the equivalent number of molecules. Thus, the given statement is true.

The moles are given as the mass of the compound with respect to the molar mass. According to the Avogadro's law, the 1 mole of a substance has the presence of the atoms equivalent to the Avogadro number.

In the balloons filled with oneself and individual there is same amount of gas, thus have same moles and thereby the number of molecules will be same in both the balloons. Thus, the given statement is true.

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When comparing an electron's ground state with that of its excited state;

Discussion:

Entropy is simply defined as the degree of randomness otherwise termed disorderliness in a system.

Electrons in their ground state are localized and have lower energy. As such, the entropy is lower.

On the contrary; Electrons in their excited state are delocalized and have higher energy. As such, the entropy is higher.

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Answer:

The momentum is then (10 kg)(5 m/s)= 490.5 kg-m/s

Explanation:

Answer is A