Which chemical symbols will complete the equation for this single displacement reaction? 2nabr cl2 → 2 2

Answer:

It's c

Explanation:

Because I've checked

Bond formation is the way in which atoms interact to form compounds.

Bond formation is the way in which atoms interact to form compounds. The following are the kind of bonds formed by the atoms;

C and AI - ionic bond

N and P - covalent bond

N and O - covalent bond

The bonds in each of the lattices are;

CuO - ionic bond

Hg - metallic bond

P2O5 - covalent bond

P - covalent bond

CaCl2 - ionic bond

The following is a depiction of the processes shown;

Na0 →Na+1 - oxidation

P0→P+5  - oxidation

AI+3 → AI0 - reduction

The balanced reaction equations are;

2H2O + F2 → 2HF + O2

SO2 + 3H2 → H2S + 2H2O

2H2SO4 + C → 2SO2+CO2+2H2O

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Answer:

587.5 L (Option A)

Explanation:

The reaction is:

2 C₈H₁₈ + 25O₂  → 16CO₂  + 18H₂O

We know that in STP conditions 1 mol of any gas is contained in 22.4L

Then, we can make a rule of three, to determine the moles of produced carbon dioxide.

22.4L is the volume for 1 mol

376 L will be the volume for  (376 . 1) 22.4 = 16.78 moles at STP conditions.

Stoichiometry is 16:25.

16 moles of CO₂ are produce by the reaction of 25 moles of O₂

Then, 16.78 moles of CO₂ were produced by (16.78 . 25) /16 = 26.2 moles.

Now, the rule of three again.

1 mol of oxygen gas is contained at 22.4L, at STP conditions

26.2 moles might be contained at (26.2 . 22.4)/1 = 587.5 L

Answer:

The volume in cubic centimeters is 250

Explanation:

The rule of three or is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.

If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other (or when one magnitude decreases, so does the other), the direct rule of three must be applied. To solve a direct rule of three, the following formula must be followed:

a ⇒ b

c ⇒ x

So:

\(x=\frac{c*b}{a}\)

The direct rule of three is the rule applied in this case where there is a change of units. To perform this conversion of units, you must first know that 1 mL = 1 cubic centimeters. So, if 1 cubic centimeters is 1 mL, how many cubic centimeters equals 250 mL?

\(cubic centimeters=\frac{250 mL*1 cubic centimeters }{1 mL}\)

cubic centimeters= 250

The volume in cubic centimeters is 250

Answer:

48m/s

Explanation:

Answer:

The change from a liquid phase to a gaseous phase occurs when the vapor pressure of the liquid is equal to the atmospheric pressure exerted on the liquid.

Explanation:

Boiling is a physical change and molecules are not chemically altered during the process.

Answer:

0.2 moles

Explanation:

The equation is given by;

2HCl => H² + Cl²

According to stoichiometry;

\( \frac{n \: hcl}{2} = \frac{n \: h {}^{2} }{1} \)

\(nhcl = 2 \times nh {}^{2} \)

To produce 0.62 moles of H² gas we need,

nHCL=2×0.62=1.24 moles

Using the relation;

number of moles:Number of atoms/Avogadro's constant

We can then say;

N(numb. of atoms)=n×Na

Number of atoms=1.24×6.02×10²³

Number of atoms=7.5852×10²³ atoms

The density of the argon gas at 58 °C and 861 mmHg is approximately 1.71 g/L.

To solve this problem, we can use the ideal gas law, which relates the pressure (P), volume (V), number of moles (n), and temperature (T) of a gas:

PV = nRT

where R is the universal gas constant.

To solve for the density of the gas, we can rearrange this equation to solve for n/V (which is the molar density or the number of moles per unit volume):

n/V = P / (RT)

The density (ρ) of the gas is then given by:

ρ = (n/V) × M

where M is the molar mass of the gas.

We are given the temperature T = 58 °C = 331 K and the pressure P = 861 mmHg. We can convert the pressure to atm by dividing by 760 mmHg/atm:

P = 861 mmHg / 760 mmHg/atm = 1.13 atm

We can also look up the molar mass of argon, which is approximately 39.95 g/mol.

To use the ideal gas law, we need to convert the temperature to Kelvin:

T = 58 °C + 273.15 = 331.15 K

Now we can substitute these values into the equation for n/V:

n/V = P / (RT) = (1.13 atm) / [(0.08206 L·atm/(mol·K)) × (331.15 K)] ≈ 0.0427 mol/L

Finally, we can calculate the density of the gas using:

ρ = (n/V) × M = (0.0427 mol/L) × (39.95 g/mol) = 1.71 g/L

Therefore, the density of the argon gas at 58 °C and 861 mmHg is approximately 1.71 g/L.

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Lewis structure of N2H4 (whose skeletal structure is H2NNH2) is shown below; The number of valence electrons for each atom is calculated to draw the Lewis structure of N2H4 as follows: The nitrogen atom has 5 valence electrons, and there are two nitrogen atoms in the molecule.

2 hydrogen atoms are present in the N2H4 molecule, and each of them has one valence electron. Thus, there are four valence electrons in total. Therefore, the total number of valence electrons is; Number of electrons for each N atom = 5Total electrons for N atoms = 5 × 2 = 10Number of electrons for each H atom = 1Total electrons for H atoms = 1 × 4 = 4Total number of valence electrons in N2H4 = 10 + 4 = 14 Lewis structure of N2H4 is drawn by placing the hydrogen atoms around the nitrogen atoms and connecting them with bonds as shown below; In this molecule, there are two nitrogen atoms, and they are connected by a single covalent bond.

Therefore, there are two lone pairs of electrons on each nitrogen atom to complete its octet. There are also two single bonds between nitrogen and hydrogen atoms. Each of the nitrogen atoms has two bonding pairs of electrons. In conclusion, the Lewis structure of N2H4 (whose skeletal structure is H2NNH2) is drawn by placing atoms on the grid and connecting them with bonds. All hydrogen atoms and nonbonding electrons are included. The molecule consists of two nitrogen atoms and four hydrogen atoms. There are two lone pairs of electrons on each nitrogen atom to complete its octet, and each nitrogen atom has two bonding pairs of electrons.

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E = 6.676 × 10^-27 × (2.998 × 10^8)² = 6.007 × 10^-10 J/mol. The energy released per mole of Po-214 decay = 6.007 × 10^-10 J/mol = 0.60 nJ/mol ≈ 0.6 × 10^-3 J/mol = 0.0006 J/mol. Hence, the correct option is a) 9.75 x 10^-3 J/mol.

The given equation is Po-214 Pb-210+ He-4 [Atomic masses: Pb-210 209.98284 amu, Po-214-213.99519 amu, He-4 = 4.00260 amu.]. According to the given equation, one mole of Po-214 decays to produce one mole of Pb-210 and one mole of He-4. The mass defect of Po-214 = (214.00000 - 209.98284) amu = 4.01716 amu. The mass defect of He-4 = (2 × 4.00260 - 4.00000) amu = 0.00520 Amu. The total mass defect in this reaction = 4.01716 + 0.00520 = 4.02236 amu. The mass defect corresponds to the energy released by the reaction according to Einstein's mass-energy relation: E = mc² = Δm × (1.6605 × 10^-27 kg/amu) × (2.998 × 10^8 m/s)²The mass defect Δm = 4.02236 amu × 1.6605 × 10^-27 kg/amu = 6.676 × 10^-27 kg.

Therefore, E = 6.676 × 10^-27 × (2.998 × 10^8)² = 6.007 × 10^-10 J/mol. The energy released per mole of Po-214 decay = 6.007 × 10^-10 J/mol = 0.60 nJ/mol ≈ 0.6 × 10^-3 J/mol = 0.0006 J/mol. Hence, the correct option is a) 9.75 x 10^-3 J/mol.

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Answer:H2o

Explanation:

Answer: Sound waves are a wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.

Explanation:

Answer:

AgNo3+Mgcl2--->Agcl2+Mg(No3)2

I hope this helps

Answer:

Shape and volume

hope this helps

have a good day :)

Explanation:

Answer:Hi! I hope this will help you with your question, whether this is an assignment or not. The answer that I get is 0.033 concentration.

If 0.0025 mol NaNo3 forms during the reaction, the concentration of NaNO3 in the final solution should be 0.033.

Explanation:

Answer:

It will cost $35.5602

Explanation:

$2.459 /6.5 (mpg) = 0.3783 (cents per mile)

$0.3783 (cost per mile) * 94 (total miles) = $35.5602 total

There are 94,608,000 seconds using conversion factor in 3 years.

First, let's calculate the number of seconds in 1 year, and then multiply it by 3 to get the total number of seconds in 3 years.

Conversion factors:

1 year = 365 days

1 day = 24 hours

1 hour = 60 minutes

1 minute = 60 seconds

Step 1: Calculate the number of seconds in 1 year.

\(\[\text{1 year} = 365 \text{ days} \times \left(24 \text{ hours/1 day}\right) \times \left(60 \text{ minutes/1 hour}\right) \times \left(60 \text{ seconds/1 minute}\right)\)

Step 2: Calculate the number of seconds in 3 years.

\(\[\text{3 years} = 3 \times \left(365 \text{ days} \times \left(24 \text{ hours/1 day}\right) \times \left(60 \text{ minutes/1 hour}\right) \times \left(60 \text{ seconds/1 minute}\right)\right)\]\)

Now, let's perform the calculations:

1 year = 365 * 24 * 60 * 60 seconds

          = 31,536,000 seconds

3 years = 3 *31,536,000

            = 94,608,000 seconds

So, there are 94,608,000 seconds in 3 years.

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Answer:

0.175M or 0.18M with correct significant figures

Explanation:

use the equation M1×v1=M2×v2 where M1= 0.25M, V1= 105mL or 0.105L, and V2= 105mL+45mL (150mL or 0.150L)

(0.25M×0.105L)÷0.150L = M2

Answer:

(see below)

Explanation:

Using the process of elimination:

It's not energy radiations because radiation is a way energy is transferred.

It's not energy transmissions because that's the transfer of energy from one medium to another, like the sun to a black construction paper through radiation. There are three ways of transmission: radiation, convection, and conduction.

It's not solutions because a solution is a homogenous mixture where it is uniform in composition and appearance throughout. Also, the term "energy solutions" makes no sense whatsoever.

It's most likely energy transformations because energy transformation, also called energy conversion, is the process of changing energy from one form to another.

Explanation:

The enzyme 's active site binds to the substrate. Increasing the temperature generally increases the rate of a reaction, but dramatic changes in temperature and pH can denature an enzyme, thereby abolishing its action as a catalyst. ... When an enzyme binds its substrate it forms an enzyme-substrate complex.

Answer:

Electrons are shared in pairs!

Explanation:

I'm doing learning about  Covalent Bonding too:)  

Answer:

iron oxide is formed by rearranging atoms

Explanation:

Iron oxide is formed by rearranging atoms best describes the statement Iron reacts with oxygen to form iron oxide (rust).

Iron oxides are compounds that are formed by the reaction of iron and oxygen.

The balanced chemical equations for these reactions look like this

4Fe(s) + 3O₂ → 2Fe₂O₃

Hence, option c is the answer.

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Answer:

a. 1 atoms of ZN are on the left side

b. 1 atom of ZN is on the right side

c. 2 atoms of Ag are on the left side

d. 2 atoms of Ag are on the right side

Explanation:

On the left side of the equation (left side of arrow), there is one Zn atom, and it is the same on the other side. Similarly, the two in front of the Ag on the left side of the equation means there are 2 atoms of Ag. Same for the right side of the equation.

Please give brainliest if this helped

Answer:

108 g

Explanation:

2H₂ + O₂ ⇒ 2H₂O

1) n(H₂) : n(H₂O) = 2 : 2

Hence, n(H₂O) = n(H₂) = 6,00 mol

2) m(H₂O) = n × M = 6,00 mol × (2 + 16) g/mol = 6,00 × 18 mol = 108 g

Answer:

here are several resons that fossil foraminifera are especially valuable for determining the relative ages of marine rock layers. They have been around since the Cambrian, over 500 million years ago. They show fairly continuous evolutionary development, so different species are found at different times.

if the observed rotation (α) was –37° for compound b when measured in a 1-dm sample tube containing 0.5 g of b in 2.0 ml of water, the specific rotation ([α]) of compound b is -370,000 g⁻¹ L⁻¹.

To calculate the specific rotation ([α]) of a compound, you need to know the observed rotation (α), the sample length (l), and the sample concentration (c). The formula for specific rotation is:

[α] = α / (l * c)

In this case, you are given the observed rotation (α) as -37°, the sample length (l) as 1 dm (which is equivalent to 10 cm), and the sample concentration (c) as 0.5 g in 2.0 mL.

First, convert the sample length to meters:

l = 10 cm = 0.1 m

Next, convert the sample concentration to g/mL:

c = 0.5 g / 2.0 mL

Now we can calculate the specific rotation ([α]):

[α] = -37° / (0.1 m * c)

Substitute the value of c:

[α] = -37° / (0.1 m * (0.5 g / 2.0 mL))

To simplify the calculation, we can convert mL to liters:

[α] = -37° / (0.1 m * (0.5 g / 0.002 L))

Simplify further:

[α] = -37° / (0.1 m * 0.5 g / 0.002 L)

[α] = -37° / (0.05 g * 0.002 L)

[α] = -37° / 0.0001 g L⁻¹

Perform the division to get the specific rotation:

[α] = -370,000 g⁻¹ L⁻¹

Therefore, the specific rotation ([α]) of compound b is -370,000 g⁻¹ L⁻¹.

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Answer: there are 12 atoms of carbon. An example of an element is iron and an example of a compound is NaCl (salt)

Explanation:

Answer:

the creation of oxygen.

Explanation:

The UUC codes for phenylalanine whereas the UUA codes for leucine. When the synthesis of the protein reaches the altered codon, a new sequence would be observed.

Correct answers are options 1 and 2:

Let's understand the meaning of codonsCodons are groupings of three nucleotides in RNA that encode a specific amino acid or stop signal during protein synthesis. Codons are made up of nucleotide triplets, which are read by ribosomes to produce a protein.

Each codon corresponds to a particular amino acid, with the exception of three "stop" codons that signal the end of a protein. The start codon, AUG, is used to signal the start of protein synthesis, while the stop codons UAA, UAG, and UGA signal the end of the process.Therefore, when the synthesis of the protein reaches the altered codon, a new sequence would be observed.

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Answer:

The answer you're looking for is A

Explanation:

A is the answer

Explanation: