how many grams of n2 are required to completely react with 3.03 grams of h2 for the following balanced chemical equation? A. 1.00 B. 6.00 C. 14.0 D. 28.0

The variable that is unknown until the experiment is performed is the dependent variable.

In a scientific experiment, variables are classified into two main categories: independent variables and dependent variables. The independent variable is the variable that is intentionally manipulated or changed by the experimenter. It is under the control of the experimenter and is deliberately altered to observe its effect on the dependent variable.

On the other hand, the dependent variable is the variable that is measured or observed as the outcome or response in the experiment. It is the variable that is expected to change in response to the manipulation of the independent variable. The value or behavior of the dependent variable depends on the value or behavior of the independent variable.

Typically, before conducting an experiment, researchers have a hypothesis or an expectation about how the independent variable will affect the dependent variable. However, the actual outcome or result of the experiment, which is observed through the measurement of the dependent variable, remains unknown until the experiment is performed.

The purpose of conducting the experiment is to gather empirical data and observe the changes in the dependent variable to analyze the relationship between the independent and dependent variables.

For more such questions on dependent variable visit:

https://brainly.com/question/28433016

#SPJ8

The percent composition of the carbon in the C₆H₁₂O₆ is 40 %.

The chemical compound is  C₆H₁₂O₆.

The molar mass of the compound  C₆H₁₂O₆ = 180 g/mol

The mass of the carbon = 12 g

The percent composition is as follows :

Percent composition of the carbon = ( mass of the carbon / total mass of the compound ) × 100 %

Percent composition of the carbon = ( 72 / 180 ) × 100 %

Percent composition of the carbon  = 40 %

Thus the percentage composition if the carbon is 40 percent in the chemical compound  C₆H₁₂O₆ that is glucose.

To learn  more about percent composition here

https://brainly.com/question/30489347

#SPJ4

Explanation:

Covalent bonds can be classified based on the number of bonds between atoms into three categories:

1. Single Covalent Bond: In a single covalent bond, two atoms share one pair of electrons. This is the most common type of covalent bond. For example, in H2O, each hydrogen atom forms a single covalent bond with the oxygen atom.

2. Double Covalent Bond: In a double covalent bond, two atoms share two pairs of electrons. This bond is stronger than a single covalent bond. For example, in O2, the oxygen atoms are connected by a double covalent bond.

3. Triple Covalent Bond: In a triple covalent bond, two atoms share three pairs of electrons. This bond is the strongest among the three types. For example, in N2, the nitrogen atoms are connected by a triple covalent bond.

It is important to note that the number of bonds between atoms is determined by the number of electrons they need to achieve a stable electron configuration, which varies depending on the elements involved.

The covalent bond is classified mainly into three types

single, double and triple bonds.

Covalent bond is a bond formed between two atoms through the sharing of two electrons between them.  The atoms will share more than one electron pairs if the valency is not satisfied.  the three types of covalent bond are single bond, double bond and triple bond.

single bond is formed when one pair of electrons are shared between atoms, while if two pairs or three pairs are shared, it is called double or triple bond respectively. Covalent compounds are those which contains covalent bonding.

to know more about covalent bonds:

https://brainly.com/question/18437221

About 9.8 g of potassium nitrate will dissolve in about 100 g of water at 0 degrees Celsius.

The term solubility curve refers to a plot of the concentration of a substance in solution against temperature. We can easily read off the amount of substance that has dissolved in solution using the solubility curve.

Looking at the solubility curve as shown, we can see that about 9.8 g of potassium nitrate will dissolve in about 100 g of water at 0 degrees Celsius.

Learn more about solubility curve:https://brainly.com/question/10843981

Explanation:

the carbonate and the hydrochloric acid are the same in both reactions as products

The 20.16 grams of magnesium oxide is formed in this reaction.

To determine the mass of magnesium oxide formed in the reaction, we need to calculate the limiting reactant and then use the stoichiometry of the balanced chemical equation to find the corresponding mass of the product.

The balanced chemical equation for the reaction is:

2 Mg + O2 -> 2 MgO

Given:

Mass of magnesium (Mg) = 24.3 grams

Mass of oxygen gas (O2) = 16.0 grams

1: Calculate the moles of each reactant.

Moles of magnesium (Mg) = mass / molar mass = 24.3 g / 24.31 g/mol = 1.00 mol

Moles of oxygen gas (O2) = mass / molar mass = 16.0 g / 32.00 g/mol = 0.500 mol

2: Determine the limiting reactant.

The ratio of Mg to O2 in the balanced equation is 2:1. Since there are fewer moles of oxygen gas (0.500 mol) compared to magnesium (1.00 mol), oxygen gas is the limiting reactant.

3: Calculate the moles of magnesium oxide formed.

From the balanced equation, 2 moles of Mg react to form 2 moles of MgO.

Therefore, the moles of MgO formed is also 0.500 mol.

4: Calculate the mass of magnesium oxide formed.

Mass of magnesium oxide (MgO) = moles × molar mass

Mass of magnesium oxide (MgO) = 0.500 mol × 40.31 g/mol = 20.16 grams

To know more about magnesium oxide refer here

https://brainly.com/question/29252085#

#SPJ11

In a period, the melting and boiling point first increases and then decreases. In a group of metals, it goes on decreasing in general but in non-metals it goes on increasing. There is no regular trend in melting and boiling points.

Sodium is a chemical element with atomic number and atomic mass 23, its is Na.  Its melting point is 370.87k, 97.728°C, 207.9°F.

Melting Point: The melting point of a substance is the temperature at which its solid and liquid phases are in balance. It is the energy require to breaking a few bonds. Thus, higher the stronger the bond between the atoms, the higher will be the melting point.

Boiling Point: The boiling point of a substance is the temperature at which its vapour pressure equals the external pressure. The boiling point depends on the heat energy required to create a transition from liquid to gaseous state.

To learn more about melting and boiling points:

https://brainly.com/question/13405048

The melting and boiling points increase and then decrease over time. While it decreases across a group of metals, it continues to rise in non-metals. The melting and boiling points do not follow any predictable pattern.

The chemical symbol for sodium is Na, and it has an atomic weight of 23. It has a melting point of 370.87k, or 207.9°F, or 97.728°C.

Melting point:- The temperature at which a substance's solid and liquid phases are in equilibrium is known as its melting point. The energy needed to break a few bonds is this—therefore, the higher the melting point, the stronger the bond between the atoms.

Boiling point:- The boiling point of a substance is the temperature at which its vapor pressure equals the external pressure. The boiling end depends on the heat energy required to transition from liquid to gaseous state.

Learn more about boiling and melting points on:-

https://brainly.com/question/40140

The empirical formula of emerald is Be3Al2Si6O18.

The empirical formula of a compound tells us about the simplest ratio between the atoms present in the compound.

We are given that emerald consists of 5.030% beryllium, 10.040% aluminum, 31.351% silicon and 53.579% oxygen.

So, we need to first convert the percentages into number of moles of the elements.

Let us assume that there is 100 grams of emerald.

Hence, the mass of each element in it is 5.030 grams beryllium, 10.040 grams aluminum, 31.351 grams silicon and 53.579 grams oxygen.

To calculate the moles, we need to divide their given mass by their molar mass

Moles of beryllium(Be) = 5.030/9 = 0.55

Moles of aluminium(Al) = 10.040/27 = 0.37

Moles of silicon(Si) = 31.351/28 = 1.107

Moles of oxygen(O) = 53.579/16 = 3.34

Now, we need to divide the moles by the lowest common number among them i.e, 0.37.

So, 0.55/0.37 = 1.5

0.37/0.37 = 1

1.107/0.37 = 3

3.34/0.37 = 9

So, the ratio of Be:Al:Si:O comes out to be 1.5:1:3:9.

As the ratio contains 1.5, so we need to multiply it by 2 to get a whole number.

So, (1.5:1:3:9) x 2 = 3:2:6:18

Thus, the empirical formula of emerald is Be3Al2Si6O18.

To know more about "empirical formula", refer to the following link:

https://brainly.com/question/14425626?referrer=searchResults

#SPJ4

The empirical formula of emerald is \(Be_{3}Al_{2}Si_{6}O_{18}\).

The empirical formula of a compound tells us about the simplest ratio between the atoms present in the compound.

We are given that emerald consists of 5.030% beryllium, 10.040% aluminum, 31.351% silicon and 53.579% oxygen.

So, we need to first convert the percentages into number of moles of the elements.

Let us assume that there is 100 grams of emerald.

Hence, the mass of each element in it is 5.030 grams beryllium, 10.040 grams aluminum, 31.351 grams silicon and 53.579 grams oxygen.

To calculate the moles, we need to divide their given mass by their molar mass

Moles of beryllium(Be) = \(\frac{5.030}{9} = 0.55\)

Moles of aluminium(Al) = \(\frac{10.040}{27} = 0.37\)

Moles of silicon(Si) = \(\frac{31.351}{28} = 1.107\)

Moles of oxygen(O) = \(\frac{53,579}{16} = 3.34\)

Now, we need to divide the moles by the lowest common number among them i.e., 0.37.

So, \(\frac{0.55}{0.37} = 1.5\)

\(\frac{0.37}{0.37} = 1\)

\(\frac{1.107}{0.37} = 3\)

\(\frac{3.34}{0.37} = 9\)

So, the ratio of Be:Al:Si:O comes out to be 1.5:1:3:9.

As the ratio contains 1.5, so we need to multiply it by 2 to get a whole number.

So, (1.5:1:3:9) x 2 = 3:2:6:18

Thus, the empirical formula of emerald is \(Be_{3}Al_{2}Si_{6}O_{18}\)..

To know more about empirical formula, refer to the following link:

brainly.com/question/14425626

#SPJ4

Chrysoberyl is Faceted to produce "cyclic twins" which is the correct option E.

Chrysoberyl is a beryllium aluminate mineral or gemstone with the chemical formula BeAl₂O₄. Chrysoberyl and beryl are two very distinct gemstones, despite the fact that their names are similar and they both contain beryllium. On the Mohs scale of mineral hardness, chrysoberyl, which ranks between corundum and topaz at 8.5, is the third-hardest naturally occurring gemstone that is often found.

Pegmatitic mechanisms result in the formation of chrysoberyl. Relatively low-density molten lava is created during melting in the Earth's crust and has the ability to ascend higher and reach the surface. Because water could not be integrated into the crystallisation of solid minerals, it grew increasingly concentrated in the molten rock as the primary magma body cooled.

As a result, the remaining magma is more abundant in water and uncommon elements that also do not fit into the crystal structures of the main minerals that form rocks. By lowering the temperature range before the magma solidifies fully, water allows the concentration of rare elements to advance to the point where they can create their own unique minerals.

Learn more about Chrysoberyl:

https://brainly.com/question/28891206

#SPJ4

Complete question:

Chrysoberyl is

A light green-yellow form of Beryl

very common throughout the world

only formed in beryllium-poor environments

the 3rd hardest natural gemstone

Faceted to produce "cyclic twins"

Li(g)→Li+(g)+e−  is the reaction that corresponds to the first ionization energy of lithium, li.

Any process in physics and chemistry whereby electrically neutral atoms or molecules are changed into electrically charged atoms or molecules (ions) by gaining or losing electrons is known as ionisation. Ionization is the process of removing charge—typically electrons—from neutral atoms in order to form positive ions, or conversely, deposition of additional charge in order to make negative ions. The most basic instances of ionisation take place in gases as a result of high voltage breakdown, such as lightning or exposure to UV or ionising radiation. The amount of energy needed to remove an electron from an isolated atom or molecule is known as ionisation energy, also known as ionisation potential, in chemistry and physics. An anion is created when an atom or molecule picks up an electron; a cation is created when they lose an electron (a cation).

Learn more about Ionization  here:

https://brainly.com/question/28385102

#SPJ4

Answer:

shape or size? over the course of the month

According to the relation of variables in the electromagnetic spectrum the maximum wavelength of light is 36.3 ×10\(^-\)³¹ m.

The  electromagnetic spectrum consists of electromagnetic radiation consists of waves made up of electromagnetic field which are capable of propogating through space and carry the radiant electromagnetic energy.

The radiation are composed of electromagnetic waves which are synchronized oscillations of electric and magnetic fields . They are created due to change which is periodic in electric as well as magnetic fields.

In the given problem,energy is related to wavelength by the formula, λ=hc/E,λ=6.626×10\(^-34\)×3×10⁸/547×1000=36.3×10\(^-31\) m.

Thus, the maximum wavelength of light is 36.3×10\(^-31\) m.

Learn more about electromagnetic spectrum,here:

https://brainly.com/question/23727978

#SPJ1

Answer:

Newton's Third Law of Motion states that to every action there is an equal and opposite reaction. When the earth pushes on you to send you into the air after jumping, you also push on the earth with the same force. But forces are different from accelerations. A force F is a push or pull on an object

Explanation:

Answer:

Friction

Explanation:

Friction causes an opposite force

In procedure II, the sample solutions that contain sugar or starch which is a type of sugar were C and D.

The table presented shows each of the samples was submitted to five different reactions to identify their components, based on this each of the samples was classified as fat, protein amino acid, etc.

According to the table, the samples that contain sugar or starch are sample C and sample D, these components were identified using reactions 1 and 2.

Note: This question is incomplete; below I attach the missing information:

Learn more about starch in https://brainly.com/question/30970520

#SPJ1

The correct answer is C

Brainliest?

Explanation:

percentage yield = Actually yield÷ Theoretical yield × 100

The percent yield of magnesium oxide is 94.2%.

Percent yield exists as the percent ratio of actual yield to the theoretical yield. It is estimated to be the experimental yield divided by the theoretical yield multiplied by 100%. If the actual and theoretical yield ​exists exactly, the percent yield stands at 100%.

In chemistry, yield, also directed to as reaction yield, exists as a measure of the number of moles of a product created about the reactant consumed, acquired in a chemical reaction, usually represented as a percentage.

Write the balanced chemical equation.

2Mg + O₂ → 2MgO

Step 2: Compute the theoretical yield.

Based on the balanced chemical equation, 2 moles of Mg exists stoichiometrically equivalent to 2 moles of MgO.

The molar masses of Mg and MgO are 24.305 g/mol and 40.304 g/mol, respectively.

Theoretical yield= 1.2 g Mg *1mol Mg/24.305 g Mg*2 mol MgO/2 mol MgO/40.304 g MgO/1 mol MgO

=3.1839g

Calculate the percent yield,

Percent yield=actual yield/theoretical yield*100

=3.00 g/3.1839g*100

94.2%

Hence, the percent yield of magnesium oxide is 94.2%.

To learn more about percent yield  refer to:

https://brainly.com/question/14714924

#SPJ2

Atom effect. What results when an acid loses a hydrogen ion is a conjugate base. Because it may absorb a hydrogen ion to rebuild the acid, it is regarded as a basic.

Conjugate acids and bases are ideas included in the Bronsted-Lowry acid-base theory. An acid loses a hydrogen ion as it splits into its ions in water.

The conjugate base of the acid is the species that results. A conjugate base is the base member, X-, of two compounds that convert into one another by acquiring or losing a proton, according to a more comprehensive definition.

In a chemical process, the conjugate base has the capacity to either gain or absorb a proton. The proton or hydrogen is given away in the process by the conjugate acid.

In accordance with this hypothesis, a conjugate acid is the species that gives a hydrogen cation or proton during a reaction, whereas a conjugate base is the species that takes a proton or hydrogen. An anion is the base of the conjugate.

To know more about conjugate base:

brainly.com/question/30225100

#SPJ4

Explanation:

In order to find whether it will sink or float in water we must first find the density of the object

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

\(density = \frac{mass}{volume} \\\)

From the question

mass = 18 g

volume = 9 cm³

So we have

\(density = \frac{18}{9} \\ \)

We have the density as 2.0 g/cm³

The object will sink in water since it's density is greater than that of water which is 1.0 g/cm³

Hope this helps you

For a molecule with sp3d2 hybridization, the number of electron groups around the central atom is 6 (option a).

This hybridization involves the combination of one s orbital, three p orbitals, and two d orbitals, resulting in six hybrid orbitals that can accommodate electron groups.

This type of hybridization occurs when there are 6 regions of electron density around the central atom, which can include lone pairs and bonding pairs. The resulting molecular geometry is typically octahedral.

To know more about hybridization, click below.

https://brainly.com/question/14140731

#SPJ11

Plants produce glucose and oxygen in an endothermic reaction called photosynthesis. The mass of glucose, C6H12O6, made when 1.0g of water reacts with carbon dioxide is 60gm.

Photosynthesis is a process used by plants and other organisms to change light energy into chemical energy that, through cellular respiration, can later be passed to fuel the organism's activities.

6H₂O + 6CO₂ CH12O6 + 602

We must convert the water to moles. We know that the molar mass of

Water 18

= 1 / 18

= 0.055

Now we look at our chemical equation's mole ratios. We can see that

6 moles of water produce 1 mole of glucose.

therefore, we will have 1/3 mol of glucose

The molar mass of glucose is 180

= 60gm of glucose will produce.

Thus, the mass of glucose, C6H12O6, made when 1.0g of water reacts with carbon dioxide is 60gm.

To learn more about the photosynthesis, follow the link;

https://brainly.com/question/29764662

#SPJ9

The lower first ionization energy of sodium is due to the relatively weak attraction between the outermost electron and the nucleus, as well as the shielding effect provided by the inner electrons.

The ionization energy refers to the amount of energy required to remove an electron from an atom or ion in its gaseous state. In the case of sodium, the first ionization energy is significantly lower than the second ionization energy. This can be explained by understanding the electron configuration and the principles of electron shielding and effective nuclear charge.

Sodium has an atomic number of 11, meaning it has 11 protons in its nucleus and 11 electrons surrounding it. These electrons are arranged in energy levels or shells, with the first shell containing 2 electrons and the second shell containing 8 electrons. The outermost electron in sodium is in the third energy level.

The first ionization energy is the energy required to remove the outermost electron from the atom. In sodium, this electron is relatively far from the nucleus and experiences less attraction to the positively charged protons.

Additionally, the outer electron in sodium experiences significant electron shielding from the inner electrons, meaning that the inner electrons partially shield the outer electron from the full attractive force of the nucleus.

As a result, it is easier to remove the outermost electron in sodium, and hence, the first ionization energy is relatively low. Once the outermost electron is removed, sodium becomes a positively charged ion (Na+).

The second ionization energy refers to the energy required to remove an electron from the Na+ ion, which now has a stronger effective nuclear charge due to the reduced electron-electron repulsion and decreased shielding effect. Consequently, it is more difficult to remove an electron from the Na+ ion, leading to a higher second ionization energy compared to the first ionization energy.

For more such questions on ionization energy visit:

https://brainly.com/question/30831422

#SPJ8

Answer:

calcium.

Explanation:

because of

thanks

What is the position of alkali metals in the Modern periodic table.

They are placed in the IA group, which is the first column on the left side of the periodic table.

Alkali metals are placed on the first column (IA)

(lithium, sodium, potassium, rubidium, cesium, francium)

In 15 grams of perchloric acid there are approximately \(1.8 \times 10^2^4\)atoms. This is found by using the molar mass of perchloric acid which is 100.46 grams per mole, and then dividing it into 15 grams.

Perchloric acid is an extremely strong, corrosive, and reactive acid. It is a colorless liquid with a pungent odor. It is a powerful oxidizing agent and can decompose organic matter, such as proteins and carbohydrates, and also react with most metals. It is highly hygroscopic and will absorb moisture from the air. Perchloric acid is used primarily in laboratories as a reagent in chemical reactions and in the production of explosives. It is also used in the production of rocket fuel and for cleaning metals. Exposure to perchloric acid can cause severe skin and eye irritation, and inhalation of the fumes can cause respiratory issues.

Since each molecule of perchloric acid contains one hydrogen atom, one chlorine atom, and four oxygen atoms, the total number of atoms in 15 grams of perchloric acid is approximately 9.0 × 10²² × (1 + 1 + 4) = 9.0 × 10²² x 6 = 5.4 × 10²³ atoms.

Therefore, there are approximately 5.4 × 10²³ atoms in 15 grams of perchloric acid.

To learn more about perchloric acid

https://brainly.com/question/15124943

#SPJ4

Answer:

Today's classification is called Linnaean system of classification. Is is important because it is according to the data of evolutionary studies and modern data.

Explanation:

It classifies plants, animals, algae fungi , and bacteria in a specific groups. It is important because this classification is somehow verified by the genetics and molecular biology.

7 levels of Linnaean classification system.

Kingdom

/Phylum

Class

Order

Family

Genus

Specie

Answer:

(c) 15.39 kg of copper present in 1tonne of ore.

Explanation:

We are given that ore contains 3% of copper carbonate

1tonne = 1000kg

3% of copper carbonate in 1000kg of ore will be

= \(\frac{3}{100}*1000\) = 30kg

30 kg of copper carbonate is present in ore

CuCO3 has 63.5g of cupper present in it

molar mass of CuCO3 = 123.5

so the percentage of copper present in CuCO3

= \(\frac{63.5}{123.5}*100\) = 51.3% of copper present per kg CuCO3

Now

amount of copper present in 30kg of CuCO3

= \(\frac{51.3}{100}* 30\) = 15.39kg

15.39 kg of copper present in 1tonne of ore

The mass of copper obtained from 1 tonne of the ore is 15.4 kg

The copper ore has 3% of copper carbonate by mass.

The mass of copper carbonate in 1 tonne of the ore can be calculated below.

1000 kg = 1 tonne

Therefore,

mass of copper carbonate = 3 /100 × 1000 = 30 kg

atomic mass of copper = 63.5 g

molar mass of CuCO₃ = 123.55 g

123.55 g of CuCO₃ gives 63.5 g of copper  

30, 000g of CuCO₃ will give ? of copper

cross multiply

mass of copper = 30,000 × 63.5 / 123.55

mass of copper = 1905000 / 123.55 = 15418.8587616 g

mass of copper = 15418.8587616 / 1000 ≈ 15. 4 kg  

read more: https://brainly.com/question/1237330?referrer=searchResults

In general, there could be different combinations of alpha and beta decay, which would result in a different number of alpha and beta particles emitted.

In a 5-step decay series, 4 alpha particles and 4 beta particles are emitted.



Step 1: Understand that in a decay series, a radioactive element undergoes several decay processes (alpha and beta decay) to eventually form a stable product.

Step 2: In an alpha decay, an element emits 2 protons and 2 neutrons, resulting in a decrease of atomic number by 2 and mass number by 4.

Step 3: In a beta decay, a neutron is converted into a proton, resulting in an increase of atomic number by 1 and no change in mass number.

Step 4: Assume a 5-step decay series as follows: A → B → C → D → E → F (where A is the initial element and F is the final product).

Step 5: In each step, the decay can be alpha or beta. We will analyze the decays to find the total number of alpha and beta particles emitted in the series.

Example of a 5-step decay series:

A (α)→ B (β)→ C (α)→ D (β)→ E (α)→ F

In this example, 3 alpha particles and 2 beta particles are emitted.

However, without specific information about the initial element and the final product, we can't determine the exact number of alpha and beta particles emitted in a 5-step decay series. In general, there could be different combinations of alpha and beta decay, which would result in a different number of alpha and beta particles emitted.

To know more about alpha and beta particles visit:

brainly.com/question/2288334

#SPJ11

Surface processes such as erosion, movement, weathering, and the deposition of sediment can modify surface features, such as mountains, or create new features, such as canyons.

Have a great day!

The surface of the Earth is constantly changing as a result of geoscience processes such as weathering, erosion, and deposition. Systems on the planet interact to influence Earth's past, present, and future.

Geoscience investigates the processes that shape the Earth's surface, the resources humans utilize, and how water and ecosystems are related. It covers much more than just rocks and volcanoes. Chemistry, physics, biology, and arithmetic, as well as other scientific disciplines, are used in geoscience.

The surface of the Earth is constantly changing as a result of geoscience processes such as weathering, erosion, and deposition. Systems on the planet interact to influence Earth's past, present, and future.

To know more about geoscience processes, visit;

https://brainly.com/question/15906156

#SPJ4