1. Hydrogen + oxygen yields water

Label what type of reaction (synthesis, decomposition, single replacement, double replacement or combustion)

Write the balanced chemical equation

How much water could you get if you started with 250. 0 grams of hydrogen?

How much water could you get if you started with 250. 0 grams of oxygen?

Which is the limiting reactant?

Answer:

d

Explanation:

Answer:

+27 66 514 3800

Explanation:

Use the edit icon to pin, add or delete clips.

The covalent compounds formed from the given elements are as follows:

Covalent compounds are compounds that are formed as a result of covalent bonds formed between atoms of different elements.

Covalent bonds are formed as a result of sharing of electrons between atoms of different elements usually non-metals.

Due to differences between the electronegativities of atoms of nom-metals, the electrons shared in covalent compounds are not always shared equally. Thus, several other intermolecular forces exist between molecules of covalent compounds.

Some of the intermolecular forces that exist in covalent compounds include:

Given the following elements: nitrogen, fluorine, oxygen, carbon, and hydrogen.

The covalent compounds that can be formed representing the given intermolecular forces are as follows:

Learn more about covalent compounds at: https://brainly.com/question/3447218

#SPJ1

Acetals can be hydrolyzed using catalytic acid to produce a carbonyl compound and alcohol. If the acid concentration is increased, acetal can be hydrolyzed back to its initial aldehyde or ketone form.

This mechanism occurs in the opposite direction of the acetal formation mechanism. The hydrolysis of each acetal generates a carbonyl compound and an alcohol.What are Acetals?Acetals are organic compounds that are formed by the reaction of an aldehyde or ketone with two molecules of alcohol, and they have the following general structure: R1R2C(OR')2.Acetals can be regarded as derived from hemiacetals, which are formed by the reaction of an aldehyde or ketone with one molecule of alcohol.The carbonyl carbon in an acetal is bonded to two alkoxide (OR) groups, while the carbonyl carbon in a hemiacetal is bonded to only one. As a result, acetals are more stable than hemiacetals. Acetals are widely used in organic synthesis, including as protecting groups for carbonyl groups in reactions that would otherwise destroy them.Example:Acetal hydrolysis occurs when an acid catalyst is used to cleave the two ether bonds in the molecule. When an acetal is hydrolyzed with an acid catalyst such as H2SO4, a carbonyl compound and an alcohol are formed.Example:H2SO4 is added to the acetal, which hydrolyzes it, producing an aldehyde or ketone and two alcohol molecules. For example, if dimethyl acetal is hydrolyzed, it will yield acetone and two methanol molecules.

To know more about molecules , visit ;

https://brainly.com/question/475709

#SPJ11

Earthquakes that occur as a result of collisions along oceanic and continental convergent boundaries are most likely to occur in subduction zones.

A subduction zone is a region where one tectonic plate is forced beneath another plate, which can result in earthquakes as the plates interact and slide past each other. Along subduction zones, the denser oceanic plate is forced beneath the less dense continental plate, leading to intense pressure and friction that can trigger earthquakes.

Some examples of subduction zones include the Cascadia Subduction Zone off the coast of the Pacific Northwest in North America, and the Ring of Fire in the Pacific Ocean, which is a major area of seismic activity and volcanic eruptions.

Carbonated beverages contain dissolved carbon dioxide gas. Low temperatures are best to minimize the solubility. option C is correct.

Drinks that have carbon dioxide dissolved in the water are referred as carbonated beverages. The presence of this gas causes the liquid to froth.

Carbonation takes place by applying pressure. Spring water, beer and soda, and pop are a few examples of carbonated beverages. When carbon dioxide  is absorbed in a liquid, for example spring water, it absorbs Carbon dioxide from the subsurface. It can also happen naturally. Beer is  example of a naturally carbonated beverage as the brewing process produces carbon dioxide soda .

Thus option C is correct.

To know more about carbonated beverages here

brainly.com/question/2029096

#SPJ3

Answer:

The answer is E) none of the above.

In all of the given reactions, mass and charge are conserved. The law of conservation of mass states that the mass of reactants must be equal to the mass of the products in a chemical reaction. The law of conservation of charge states that the total charge of the reactants must be equal to the total charge of the products.

In reaction A, the water molecule dissociates into a hydrogen ion (H+) and a hydroxide ion (OH-), but the total mass and charge are still conserved.

In reaction B, the reduction of CIO2 to Cl- is balanced by the oxidation of water to form OH-. The electrons and charge are conserved.

In reaction C, H2SO4 reacts with NaOH to form Na2SO4, H+ and OH-. The mass and charge are conserved.

In reaction D, ZnCl reacts with water to form ZnOH, H+ and Cl-. The mass and charge are also conserved.

The correct answer is (C.) CuCl(2−,4), as it does not represent a complex ion.

A complex ion is a species consisting of a central metal ion surrounded by one or more ligands. Ligands are molecules or ions that coordinate to the metal ion through coordinate bonds.

Let's analyze each option to determine which one is not a complex ion:

A. NH3

NH3, also known as ammonia, is a ligand that can form coordinate bonds with metal ions. It can act as a ligand and coordinate to a central metal ion, forming a complex ion. Therefore, NH3 can be part of a complex ion and is not the correct answer.

B. [Ag(NH3)2]+

In this case, [Ag(NH3)2]+ is a complex ion. It consists of a central silver ion (Ag+) coordinated with two ammonia ligands (NH3). The ligands donate electron pairs to the silver ion, forming coordinate bonds. Thus, [Ag(NH3)2]+ is a complex ion and is not the correct answer.

C. CuCl(2−,4)

CuCl(2−,4) is not a complex ion. It represents a copper ion (Cu2+) coordinated with two chloride ions (Cl-) in a complex. The coordination number of the copper ion is 2, indicating that it is coordinated with two chloride ligands. However, the presence of the negative charge (2−) suggests that it is an anionic species rather than a complex ion. Therefore, CuCl(2−,4) is the correct answer as it is not a complex ion.

D. Al(H2O)(3+,6)

Al(H2O)(3+,6) represents a complex ion containing an aluminum ion (Al3+) coordinated with water ligands (H2O). The subscript (3+,6) indicates that there are three water ligands coordinated to the aluminum ion, and the overall charge of the complex ion is +3. Thus, Al(H2O)(3+,6) is a complex ion and is not the correct answer.

Therefore, the correct answer is C. CuCl(2−,4), as it does not represent a complex ion.

Learn more about complex ion at: https://brainly.com/question/29768077

#SPJ11

The organic Compound and inorganic intermediate species. include nonbonding electrons and charges

CH2 = CH - CH3 + HBr → CH3 - CH - CH3+    +  Br-   → CH - (CH3)^2 - Br

Any of a vast family of chemical compounds known as organic compounds contain one or more carbon atoms that are covalently connected to atoms of other elements, most frequently hydrogen, oxygen, or nitrogen. Carbides, carbonates, and cyanides are among the few carbon-containing substances that are not categorized as organic. see chemical compound

An organic compound is one of a broad family of chemical compounds in which one or more carbon atoms are covalently bonded with other element atoms, most frequently hydrogen, oxygen, or nitrogen.

Organic molecules are those that have carbon atoms covalently bound to hydrogen atoms (C-H bonds). There are several organic substances produced. More than 95% of the compounds that have been isolated from natural sources, despite the fact that organic chemistry focuses on compounds that contain carbon and hydrogen

Learn more about organic Compound here:

https://brainly.com/question/5994723

#SPJ4

The bond or force that is not expected to occur in the absence of water is hydrophobic clustering. The correct answer is a.

Hydrophobic clustering refers to the tendency of nonpolar substances, such as oils and fats, to aggregate together and avoid contact with water. This occurs because water molecules are polar, meaning they have a positive charge at one end and a negative charge at the other.

Nonpolar molecules do not have this charge distribution and therefore do not interact well with water. In the absence of water, there would be no polar/nonpolar interactions and therefore no hydrophobic clustering. However, other forces like polar covalent bond, hydrogen bonds and nonpolar covalent bond could still occur.

To learn more about hydrophobic visit: https://brainly.com/question/24233524

#SPJ4

The enthalpy change of a reaction can be calculated using the standard enthalpies of formation of the reactants and products, as given by the following equation:

ΔH° = ΣnΔHf°(products) - ΣmΔHf°(reactants)

where ΔHf° is the standard enthalpy of formation of a compound, n and m are the stoichiometric coefficients of the products and reactants, respectively.

For the reaction: OH(g) → H(g) + O(g)

The standard enthalpies of formation of the reactants and products are:

ΔHf°(OH) = 37.2 kJ/mol

ΔHf°(H) = 218.0 kJ/mol

ΔHf°(O) = 249.2 kJ/mol

The stoichiometric coefficients are:

n(H) = 1

n(O) = 1

m(OH) = 1

Using the equation above, we can calculate the standard enthalpy change of the reaction:

ΔH° = [ΔHf°(H) + ΔHf°(O)] - ΔHf°(OH)

    = [(218.0 kJ/mol) + (249.2 kJ/mol)] - (37.2 kJ/mol)

    = 430.0 kJ/mol - 37.2 kJ/mol

    = 392.8 kJ/mol

Therefore, the standard enthalpy change for the reaction OH(g) → H(g) + O(g) is 392.8 kJ/mol.

To know more about   enthalpy change refer here

https://brainly.com/question/29556033#

#SPJ11

Answer:

80 miles/hour

Explanation:

Distance = 400 miles

Time = 5 hours

Speed = ?

\(Speed = \frac{400}{5} \\\\Speed= 80\)

Speed= 80mi/hr

The speed of the train which travels 400 miles in 5 hours is 80 miles per hour. Speed of the train is distance covered by the train per unit time taken.

Speed of an object can be defined as the rate of change in the position or the distance of an object in any of the directions. Speed can be measured as the ratio of distance to the time taken in which the distance was covered by the train. Speed is a scalar quantity as it has only magnitude and no direction.

Speed = Distance covered by the object/ Time taken

Speed = 400 miles/ 5 hours

Speed = 80 miles/ hour

The speed of train is 80 miles per hour.

Learn more about Speed here:

https://brainly.com/question/28224010

#SPJ2

Answer:

I believe it would be 2

Explanation:

if there are 2 nitrogen molecules then there would have to be 2 hydrogen molecules but this could be completely wrong

if this happens to be right, ur welcome :3 here's a Jay Jay pic for u cuz why not

Answer:

Anwer is A  0.60

Explanation:

Outgoing shortwave radiation depends on factors such as the angle of the Sun's rays, albedo, cloud cover, and atmospheric gases. These factors collectively determine the amount of solar radiation that is reflected, absorbed, and re-emitted by the Earth's surface, influencing the outgoing shortwave radiation.

Outgoing shortwave radiation depends on several factors. Firstly, it is influenced by the solar radiation received by the Earth's surface. The amount of solar radiation reaching the Earth is determined by the angle of the Sun's rays, which changes throughout the day and across different seasons. This means that outgoing shortwave radiation will vary depending on the time of day and the time of year.

Another important factor is the albedo, which refers to the reflectivity of different surfaces on Earth. Surfaces with high albedo, such as ice and snow, reflect more solar radiation back into space, resulting in lower outgoing shortwave radiation. Conversely, surfaces with low albedo, such as dark soil and vegetation, absorb more solar radiation, leading to higher outgoing shortwave radiation.

The presence of clouds also plays a role in outgoing shortwave radiation. Clouds can either reflect incoming solar radiation back into space or absorb and re-emit it as longwave radiation. The type and thickness of clouds, as well as their altitude, can affect the amount of outgoing shortwave radiation.

Finally, atmospheric gases such as water vapor, carbon dioxide, and ozone can also influence outgoing shortwave radiation. These gases absorb and re-emit some of the incoming solar radiation, impacting the amount of radiation that escapes back into space.

Learn more about shortwave here :-

https://brainly.com/question/31450158

#SPJ11

Using the periodic table, The Bohr - Rutherford diagram of each of the elements is before bonding and after bonding is attached below.NH\(_{3}\) ( ammonia ) is a covalent  bond.

Ammonia is a covalent compound because in the formation of ammonia the bond between nitrogen and three hydrogen is formed by the sharing of electron.

Covalent bond is formed by sharing of electron between atoms. Ionic bond is formed when one atom loses electron and other atom gain the electron or by the transfer of electron from one atom to another.

Hence,In the case of ammonia a covalent bond is formed and the electronegativity difference between nitrogen and hydrogen is not big enough to make a covalent bond.

To learn more about Bohr-Rutherford diagrams here

https://brainly.com/question/14586294

#SPJ1

Answer:Phosphate

Explanation:It is called phosphate because of this higher state (otherwise it would be called phosphite and be PO3+3 ).

Answer:

Gases have three characteristic properties: (1) they are easy to compress, (2) they expand to fill their containers, and (3) they occupy far more space than the liquids or solids from which they form.

SO the answer is- D. All of the above

Explanation:

Answer:

C

Explanation:

cause i'm smart

Answer:

D

Explanation:

Because it says tree roots breaking rocks into smaller rocks.

Hope this helped!

Water cycle interact directly or indirectly with Geosphere, Biosphere, Hydrosphere, and Atmosphere and is denoted as option A.

This is also referred to as hydrologic cycle and involves the continuous circulation of water in the Earth-atmosphere system through series of processes which occur naturally.

Water comprises of processes such as condensation,precipitation etc which occurs in the Geosphere, Biosphere, Hydrosphere, and Atmosphere due to the interaction in the areas mentioned.

This is therefore the reason why water cycle was chosen as the correct choice.

Read more about Water cycle here https://brainly.com/question/25796102

#SPJ1

The product of the electron transport chain that reenters the krebs cycle is NAD. Details about electron transport chain can be found below.

Cellular respiration is the process by which living organisms break down food molecules in their cells.

The process of cellular respiration involves the following stages:

The electron transport chain is a series of reactions that involve the transfer of electrons from one molecule to another. NAD+ is one of the electron acceptor and products of the ETC that reenters the kreb cycle.

Learn more about electron transport chain at: https://brainly.com/question/24372542

#SPJ4

Answer:

D. a program on a computer

Explanation:

The correct option is freebase. Cognitive therapy is most commonly employed in the treatment of anxiety disorders in conjunction with behavioral approaches, which may involve exposure exercises.

Cognitive therapy is often restricted to 20 sessions or less and is problem-focused on the concerns identified by the patient as being of primary concern. It causes a condition of extreme excitation. Powdered methamphetamine is injected, snorted, or smoked. Because they serve various functions, different cognitive-behavioral techniques are required. A cognitive-behavioral strategy to improving learning, for example, might have different criteria than a method for treating a depressed individual.

Learn more about Cognitive therapy here-

https://brainly.com/question/24229313

#SPJ4

The number of molecules in 4.62 moles nitric acid has been 27.82 × 10²³.

It's likely that the common person has had no notion how many molecules make up 4.62 milligrams of hydrogen peroxide, but that's good! By the end of this article, you will be able to confidently respond to that question since you will having studied everything you needed concerning moles and molecules.

The moles have been described as the mass of the compound with respect to the molar mass. According to the Avogadro law, the number of molecules present in a mole of sample has been equivalent to the Avogadro number.

Therefore,

The Avogadro number has been a constant quantity with the value of .

6.023 × 10²³

The Avogadro law has been given as:

1 mole = 6.023 × 10²³ moles

Calculating for 4.62 moles nitric acid as:

   4.60 moles = 6.023 × 10²³  × 4.62 molecules

⇒ 4.60 moles = 27.82 × 10²³ molecules.

The number of molecules in 4.62 moles nitric acid has been 27.82 × 10²³

Consequently, there are 27.828 x 10′′23 nitric acid molecules in 4.62 moles of nitric acid. This article is not simply concerning Avogadro's number. It turns out that these mass of the particles impacts how many particles are present in a mole of a substance So.

Complete Question:

How many molecules are in 4.62 moles of nitric acid (HNO3)?

To know more about Molecules click here

brainly.com/question/19922822

#SPJ4

If 250 mL of methane (CH4) effuses through a small hole in 48 s, the time required for the same volume of helium to pass through the hole is approximately 96 s.

The effusion rate of a gas is inversely proportional to the square root of its molar mass, according to Graham's law of effusion. In this case, we need to compare the effusion rates of methane and helium.

Since the volume is constant, we can use the ratio of their times of effusion.

Let's assume the molar mass of methane (CH4) is M1 and the molar mass of helium (He) is M2. According to Graham's law, the ratio of the effusion times is given by:

(time for methane) / (time for helium) = √(M2 / M1)

Given that the time for methane is 48 s, we need to find the time for helium. Rearranging the equation, we have:

(time for helium) = (time for methane) / √(M2 / M1)

By substituting the molar masses of methane (16.04 g/mol) and helium (4.00 g/mol), we can calculate:

(time for helium) = 48 s / √(4.00 g/mol / 16.04 g/mol)

(time for helium) = 48 s / √(0.25)

(time for helium) = 48 s / 0.5

(time for helium) = 96 s

Therefore, the time required for the same volume of helium to pass through the hole is approximately 96 seconds.

Learn more about Graham's law of effusion here:

brainly.com/question/30982581

#SPJ11

The difference in degrees Fahrenheit between the maximum expected temperatures by the end of the century between the lower and higher emissions scenarios can vary depending on various factors and assumptions.

However, in general, the lower emissions scenario is expected to result in a lower increase in global temperatures compared to the higher emissions scenario.

This means that the maximum expected temperature rise by the end of the century under the lower emissions scenario would be lower than that of the higher emissions scenario.

The specific temperature difference would depend on the specific projections and models used, but it highlights the significant impact that emissions reductions can have on mitigating future temperature increases.

To know more about global temperatures, refer here:

https://brainly.com/question/14367287#

#SPJ11

Answer:

Hydrogen is a substance because it has mass and combined with other molecules it can make another substance such as water.

Explanation:

Answer:

hope this helps have a amazing day! :)

Explanation:

Metals are an excellent conductor of electricity and heat because the atoms in the metals form a matrix through which outer electrons can move freely. Instead of orbiting their respective atoms, they form a sea of electrons that surround the positive nuclei of the interacting metal ions.

Answer:

The mass percentage of iron in \(\rm K_3[Fe(CN)_6]\)  (potassium ferricyanide) is approximately \(17\%\).

Explanation:

Start by finding the formula mass of potassium ferricyanide, \(\rm K_3[Fe(CN)_6]\), using relative atomic mass data from the question:

\(\begin{aligned} & M(\mathrm{K_3[Fe(CN)_6]}) \\ &\approx 3 \times 39 + 56 + 6 \times (12 + 14) \\ &= \rm 329 \; g \cdot mol^{-1}\end{aligned}\).

In other words, every one mole of \(\rm K_3[Fe(CN)_6]\) formula units have a mass of approximately \(329\; \rm g\).

On the other hand, note that there is one iron \(\rm Fe\) atom in every one mole of \(\rm K_3[Fe(CN)_6]\) formula units. Hence, there would be exactly one mole of iron atoms in every one mole of \(\rm K_3[Fe(CN)_6]\) formula units. The mass of that one mole of iron atoms is approximately \(56\; \rm g\) (again, from the relative atomic mass data of the question.)

Therefore:

\(\begin{aligned}& \text{Mass percentage of $\mathrm{Fe}$ in $\mathrm{K_3[Fe(CN)_6]}$} \\ &= \frac{\text{Mass of $\mathrm{Fe}$ in one mole of $\mathrm{K_3[Fe(CN)_6]}$ formula units}}{\text{Mass of one mole of $\mathrm{K_3[Fe(CN)_6]}$ formula units}}\times 100\% \\ &= \frac{M(\mathrm{Fe}) \times (\text{Number of $\mathrm{Fe}$ atoms in each $\mathrm{K_3[Fe(CN)_6]}$ formula unit)}}{M(\mathrm{K_3[Fe(CN)_6]})} \times 100\%\end{aligned}\)

\(\begin{aligned}&\approx \frac{1 \times 56\; \rm g \cdot mol^{-1}}{329\; \rm g \cdot mol^{-1}}\end{aligned}\).

The grams of sucrose is 0 g calculated by determining the molality of the solution.

To calculate the grams of sucrose, we first need to find the moles of sucrose. The molality of the solution can be found using the formula:

molality = (Kf value) x (temperature change).

In this case, the temperature change is 0 °C, so the molality is 0.

To find the moles of sucrose, we use the formula:

moles of solute = (molality) x (kg of solvent).

Since water is the solvent and its mass is not given, we can assume it to be 1 kg for simplicity.

Therefore, moles of sucrose = 0 x 1 = 0.

Finally, we can convert moles to grams using the molar mass of sucrose, which is 342.3 g/mol.

Thus, the grams of sucrose is 0 g.

Learn more about molality here:

https://brainly.com/question/32878776

#SPJ11